How popular is this Denver to Buffalo flight route?

This flight path from Denver Intl to Buffalo was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines flying from Denver to Buffalo round-trip?

According to our current data, Frontier ($176), American Airlines ($231), and Delta ($237) offers the cheapest pricing from Denver to Buffalo. Frontier is currently priced 48% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Denver to Buffalo one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $79. Users have also found prices from $99 and $109 on Southwest and American Airlines, respectively.

What are the cheapest flights from Denver to Buffalo?

While on average a flight from Denver to Buffalo is generally $236, our data shows the cheapest flight currently is $102. When looking at the most popular route, (Denver Intl - Buffalo), you can expect to pay $198 for that flight.

What are the most popular airlines that fly from Denver to Buffalo?

Before booking your flight from Denver to Buffalo check out the most popular airlines for this route: American Airlines, JetBlue or Delta.

What is the cheapest day to fly round-trip from Denver to Buffalo?

Flights from Denver to Buffalo are found to be more expensive on Monday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buffalo.

How far in advance should I book a flight from Denver to Buffalo?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 12 days in advance, which can save you up to 98% on flights from Denver to Buffalo compared to booking the week you need them. Waiting 12 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $195. For sooner than that we have options available in the next 3 days from $409.

What is the cheapest month to fly from Denver to Buffalo?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, June can be a great choice for travel to Buffalo. Flights to Buffalo from Denver in June are about $340 on average during June, but can be found for as low as $107.

Most accurate provider : When it comes to deals on Denver-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Buffalo flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Denver-Buffalo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Denver to Buffalo?

Booking a flight from Denver Intl (DEN) to Buffalo (BUF) is your only option if you wish to fly from Denver to Buffalo. On a typical day, there are 2 flights from Denver Intl to Buffalo, all of which are around 3h 00m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Denver Intl to Buffalo.

Can I find deals for flights from Denver to Buffalo that include hotel bookings?

Yes. In addition to deals on Denver to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Denver to Buffalo?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Buffalo.

Can I find deals for business class flights from Denver to Buffalo?

Yes. Cheapflights offers flight deals from Denver to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$79+ Flights from Denver to Buffalo

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Denver to Buffalo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Denver Intl to Buffalo are usually found in June or August, booked 71 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Denver to Buffalo

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$176 (Cheapflightsfares)
One-way from	$79 (Frontier)
Popular in	January
Cheapest in	June
Average price	$356
Good round-trip deal	$213 or less
Good one-way deal	$138 or less

Provider with most accurate pricing for Denver Intl-Buffalo flight deals.

Search Deals

Provider most trusted by Cheapflights users for Denver Intl-Buffalo flights.

Search Deals

From Denver Intl to Buffalo

Search Deals

One-way flight from Denver Intl to Buffalo

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($40 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Price to beat on a round-trip flight from Denver Intl to Buffalo.

Search Deals

Price to beat on a one-way flight from Denver Intl to Buffalo.

Search Deals

Find flight deals from Denver to Buffalo

Cheapest flights from Denver to Buffalo
Explore the most affordable flight options available from Denver to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2025.

Fri 10/37:30 amDEN - BUF

Nonstop3h 13mFrontier

Mon 10/61:39 pmBUF - DEN

Nonstop3h 43mFrontier

Deal found 5/22

$176

Tue 11/411:59 pmDEN - BUF

1 stop8h 39mAmerican Airlines

Wed 11/512:03 pmBUF - DEN

1 stop7h 51mAmerican Airlines

Deal found 5/23

$231

Fri 6/1311:59 pmDEN - BUF

1 stop8h 51mDelta

Mon 6/167:39 pmBUF - DEN

1 stop5h 43mDelta

Deal found 5/22

$237

Fri 9/2611:59 pmDEN - BUF

1 stop7h 46mJetBlue

Mon 9/296:00 amBUF - DEN

1 stop6h 45mJetBlue

Deal found 5/21

$251

Thu 9/185:40 pmDEN - BUF

Nonstop3h 16mUnited Airlines

Sun 9/288:25 amBUF - DEN

Nonstop3h 36mUnited Airlines

Deal found 5/23

$307

Wed 7/212:04 amDEN - BUF

1 stop29h 46mMultiple Airlines

Sun 7/611:41 amBUF - DEN

1 stop23h 14mMultiple Airlines

Deal found 5/22

$335

Sat 7/55:50 pmDEN - BUF

Nonstop3h 10mSouthwest

Tue 7/84:55 pmBUF - DEN

1 stop7h 20mSouthwest

Deal found 5/23

$347

Best flights from Denver to Buffalo
Discover carefully curated flight deals from Denver to Buffalo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 23, 2025.

Fri 10/37:30 amDEN - BUF

Nonstop3h 13mFrontier

Mon 10/61:39 pmBUF - DEN

Nonstop3h 43mFrontier

Deal found 5/22

$176

Tue 11/411:59 pmDEN - BUF

1 stop8h 39mAmerican Airlines

Wed 11/512:03 pmBUF - DEN

1 stop7h 51mAmerican Airlines

Deal found 5/23

$231

Fri 6/1311:59 pmDEN - BUF

1 stop8h 51mDelta

Mon 6/167:39 pmBUF - DEN

1 stop5h 43mDelta

Deal found 5/22

$237

Fri 9/2611:59 pmDEN - BUF

1 stop7h 46mJetBlue

Mon 9/296:00 amBUF - DEN

1 stop6h 45mJetBlue

Deal found 5/21

$251

Thu 9/185:40 pmDEN - BUF

Nonstop3h 16mUnited Airlines

Sun 9/288:25 amBUF - DEN

Nonstop3h 36mUnited Airlines

Deal found 5/23

$307

Thu 7/36:00 amDEN - BUF

1 stop8h 19mMultiple Airlines

Sun 7/611:41 amBUF - DEN

1 stop23h 14mMultiple Airlines

Deal found 5/23

$329

Fri 7/44:45 pmDEN - BUF

Nonstop3h 05mSouthwest

Sun 7/207:05 amBUF - DEN

Nonstop3h 30mSouthwest

Deal found 5/23

$343

Last-minute flights from Denver to Buffalo
Discover last-minute flight deals from Denver to Buffalo. Data last updated May 23, 2025 and is based on user searches.

Wed 5/287:00 amDEN - BUF

2 stops8h 15mAmerican Airlines

Mon 6/23:54 pmBUF - DEN

1 stop7h 59mAmerican Airlines

Deal found 5/22

$772

Thu 5/2911:58 pmDEN - BUF

1 stop16h 19mFrontier

Mon 6/28:50 amBUF - DEN

1 stop16h 29mFrontier

Deal found 5/22

$268

Thu 5/2911:59 pmDEN - BUF

1 stop7h 44mJetBlue

Tue 6/33:05 pmBUF - DEN

1 stop9h 59mJetBlue

Deal found 5/22

$469

Thu 5/295:35 pmDEN - BUF

Nonstop3h 10mUnited Airlines

Mon 6/28:20 amBUF - DEN

Nonstop3h 45mUnited Airlines

Deal found 5/22

$652

Thu 5/295:40 pmDEN - BUF

Nonstop3h 05mSouthwest

Mon 6/22:55 pmBUF - DEN

Nonstop3h 35mSouthwest

Deal found 5/23

$747

Sat 6/75:35 pmDEN - BUF

Nonstop3h 10mUnited Airlines

Wed 6/118:20 amBUF - DEN

Nonstop3h 45mUnited Airlines

Deal found 5/23

$357

Fri 6/138:07 amDEN - BUF

Nonstop3h 08mFrontier

Mon 6/162:10 pmBUF - DEN

Nonstop3h 52mFrontier

Deal found 5/22

$214

Fri 6/1311:59 pmDEN - BUF

1 stop8h 51mDelta

Mon 6/167:39 pmBUF - DEN

1 stop5h 43mDelta

Deal found 5/22

$237

Fri 6/1311:54 pmDEN - BUF

1 stop7h 06mJetBlue

Sat 6/215:40 amBUF - DEN

1 stop6h 40mJetBlue

Deal found 5/22

$294

Tue 6/177:21 amDEN - BUF

2 stops7h 53mAmerican Airlines

Tue 6/245:10 amBUF - DEN

1 stop5h 13mAmerican Airlines

Deal found 5/22

$232

Sat 6/215:50 pmDEN - BUF

Nonstop3h 10mSouthwest

Sat 6/285:15 amBUF - DEN

Nonstop3h 35mSouthwest

Deal found 5/23

$397

Sat 6/285:01 pmDEN - BUF

1 stop15h 49mMultiple Airlines

Sun 7/1311:41 amBUF - DEN

2 stops21h 29mMultiple Airlines

Deal found 5/23

$387

One-way flights from Denver to Buffalo
Search for one-way flight options from Denver to Buffalo. Find affordable one-way fares based on user searches. Data last updated May 23, 2025.

Mon 6/238:07 amDEN - BUF

Nonstop3h 08mFrontier

Deal found 5/23

$79

Wed 7/97:45 pmDEN - BUF

Nonstop3h 05mSouthwest

Deal found 5/22

$99

Wed 7/912:21 pmDEN - BUF

1 stop7h 47mAmerican Airlines

Deal found 5/22

$109

Mon 8/1812:59 amDEN - BUF

1 stop7h 58mDelta

Deal found 5/22

$119

Thu 7/107:00 pmDEN - BUF

1 stop13h 32mSun Country Air

Deal found 5/22

$120

Mon 10/1311:09 pmDEN - BUF

1 stop8h 26mJetBlue

Deal found 5/22

$136

Fri 9/265:40 pmDEN - BUF

Nonstop3h 16mUnited Airlines

Deal found 5/22

$139

Fri 7/254:05 pmDEN - BUF

3 stops40h 39mMultiple Airlines

Deal found 5/22

$266

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 10/3

7:30 am-12:43 pm

Nonstop3h 13m

Buffalo

Mon 10/6

1:39 pm-3:22 pm

Nonstop3h 43m

$176

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Tue 11/4

11:59 pm-10:38 am

1 stop8h 39m

Buffalo

Wed 11/5

12:03 pm-5:54 pm

1 stop7h 51m

$231

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 6/13

11:59 pm-10:50 am

1 stop8h 51m

Buffalo

Mon 6/16

7:39 pm-11:22 pm

1 stop5h 43m

$237

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 9/26

11:59 pm-9:45 am

1 stop7h 46m

Buffalo

Mon 9/29

6:00 am-10:45 am

1 stop6h 45m

$251

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 9/18

5:40 pm-10:56 pm

Nonstop3h 16m

Buffalo

Sun 9/28

8:25 am-10:01 am

Nonstop3h 36m

$307

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Thu 7/3

6:00 am-4:19 pm

1 stop8h 19m

Buffalo

Sun 7/6

11:41 am-8:55 am

1 stop23h 14m

$329

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Fri 7/4

4:45 pm-9:50 pm

Nonstop3h 05m

Buffalo

Sun 7/20

7:05 am-8:35 am

Nonstop3h 30m

$343

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Mon 6/23

8:07 am-1:15 pm

Nonstop3h 08m

$79

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 7/9

7:45 pm-12:50 am

Nonstop3h 05m

$99

DenverBuffalo

DEN - BUF

DENBUF

Denver Intl

Wed 7/9

12:21 pm-10:08 pm

1 stop7h 47m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/23

Showing 1-10 of 15 results

Compare providers for flights from Denver to Buffalo

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Buffalo in May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Flightnetwork	Price Accuracy-	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Denver-Buffalo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Buffalo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Buffalo flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Denver-Buffalo flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Buffalo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Denver with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Buffalo

How far ahead should I book a flight from Denver to Buffalo?

The best time to book flights from Denver to Buffalo is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Denver to Buffalo?

Currently, January is the cheapest month in which you can book a flight from Denver to Buffalo (average of $256). Flying from Denver to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to BUF?

It’s optimal to fly from Denver to Buffalo in the morning. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Denver to Buffalo?

Travelers seeking maximum savings on their Denver to Buffalo flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Buffalo by month

In terms of precipitation, rainfall in Buffalo ranges from 2.5 - 4.0 inches per month. November is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Buffalo when rainfall is around 2.5 in.

Temperature in Buffalo by month

If weather is an important factor for your trip to Buffalo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Buffalo

Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Denver to Buffalo to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Southwest

8.0

Very good

4,291 reviews

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Delta

8.0

Very good

7,950 reviews

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

United Airlines

7.4

Good

8,746 reviews

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

JetBlue

7.3

Good

2,929 reviews

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,291 reviews

Reviews

1 / 20

10.0

Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

What airports do I use to fly from Denver to Buffalo?
Booking a flight from Denver Intl (DEN) to Buffalo (BUF) is your only option if you wish to fly from Denver to Buffalo. On a typical day, there are 2 flights from Denver Intl to Buffalo, all of which are around 3h 00m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Denver Intl to Buffalo.
How popular is this Denver to Buffalo flight route?
This flight path from Denver Intl to Buffalo was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines flying from Denver to Buffalo round-trip?
According to our current data, Frontier ($176), American Airlines ($231), and Delta ($237) offers the cheapest pricing from Denver to Buffalo. Frontier is currently priced 48% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Denver to Buffalo one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $79. Users have also found prices from $99 and $109 on Southwest and American Airlines, respectively.
What are the cheapest flights from Denver to Buffalo?
While on average a flight from Denver to Buffalo is generally $236, our data shows the cheapest flight currently is $102. When looking at the most popular route, (Denver Intl - Buffalo), you can expect to pay $198 for that flight.
Can I find deals for flights from Denver to Buffalo that include hotel bookings?
Yes. In addition to deals on Denver to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Denver to Buffalo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Buffalo.
Can I find deals for business class flights from Denver to Buffalo?
Yes. Cheapflights offers flight deals from Denver to Buffalo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Denver to Buffalo?
Currently, January is the cheapest month in which you can book a flight from Denver to Buffalo (average of $256). Flying from Denver to Buffalo in December is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Williamsville

Amherst

Batavia

Orchard Park

Cheektowaga

West Seneca

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Denver to Buffalo

Denver to LaGuardia flights

Denver to Newark flights

Denver to John F Kennedy Intl flights

Denver to Syracuse flights

Denver to Albany flights

Denver to Islip flights

Denver to White Plains flights

Denver to Rochester flights

Colorado Springs to John F Kennedy Intl flights

Grand Junction to John F Kennedy Intl flights

Grand Junction to LaGuardia flights

Colorado Springs to Newark flights

Colorado Springs to LaGuardia flights

Colorado Springs to Syracuse flights

Vail to LaGuardia flights

Vail to Newark flights

Grand Junction to Newark flights

Durango to LaGuardia flights

Denver to Ithaca flights

Vail to John F Kennedy Intl flights

Aspen to John F Kennedy Intl flights

Durango to Newark flights

Denver to Binghamton flights

Montrose to Newark flights

Colorado Springs to Buffalo flights

Montrose to Rochester flights

Aspen to Newark flights

Denver to Elmira flights

Aspen to LaGuardia flights

Montrose to LaGuardia flights

Aspen to Syracuse flights

Aspen to Albany flights

Hayden to LaGuardia flights

Denver to Stewart flights

Colorado Springs to Rochester flights

Colorado Springs to Albany flights

Durango to John F Kennedy Intl flights

Montrose to John F Kennedy Intl flights

Durango to Syracuse flights

Vail to Syracuse flights

Montrose to Syracuse flights

Durango to Buffalo flights

Hayden to Newark flights

Denver to Watertown flights

Durango to Albany flights

Grand Junction to Syracuse flights

Gunnison to Albany flights

Denver to Rutland flights

Other flights to Buffalo

Complete your trip

Buffalo car rentals

Buffalo Airport car rentals

Rochester Greater Rochester Intl Airport car rentals

Niagara Falls Airport car rentals

Erie Airport car rentals

Bradford Airport car rentals

Jamestown Chautauqua County Airport car rentals

New York car rentals

Rochester car rentals

Albany car rentals

Syracuse car rentals

Islip car rentals

Top 6 airlines flying from Denver to Buffalo

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$119	Average$263	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$211	Average$340	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$216	Average$318	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$216	Average$309	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$219	Average$320	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$289	Average$450	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$79+ Cheap flights from Denver to Buffalo (DEN - BUF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to Buffalo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Denver Intl to Buffalo are usually found in June or August, booked 71 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Denver to Buffalo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Denver to Buffalo

Cheapest flights from Denver to BuffaloExplore the most affordable flight options available from Denver to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2025.

Explore the most affordable flight options available from Denver to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Buffalo that are best for you.

Compare providers for flights from Denver to Buffalo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Buffalo in May.

Best time to book a flight from Denver to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Denver with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Denver to Buffalo

How far ahead should I book a flight from Denver to Buffalo?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Buffalo. Price data was last updated on May 16, 2025.

What is the cheapest month to book a flight from Denver to Buffalo?

What is the cheapest time of day to fly from DEN to BUF?

Find hourly flight availability from Denver to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 23, 2025.

What is the cheapest day to fly from Denver to Buffalo?

Use this chart to determine the cheapest time to fly round-trip from Denver to Buffalo. Price data was last updated on May 18, 2025.

Rainfall in Buffalo by month

Plan your trip to Buffalo by taking into account the average rainfall totals by month.

Temperature in Buffalo by month

Plan your trip to Buffalo by taking into account the average temperature totals by month.

Reviews of airlines servicing Buffalo

Related info for your journey

Find useful and relevant information for your journey from Denver to Buffalo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Denver to Buffalo?

How popular is this Denver to Buffalo flight route?

What are the cheapest airlines flying from Denver to Buffalo round-trip?

What are the cheapest airlines to fly from Denver to Buffalo one-way?

What are the cheapest flights from Denver to Buffalo?

Can I find deals for flights from Denver to Buffalo that include hotel bookings?

How can I find direct flights from Denver to Buffalo?

Can I find deals for business class flights from Denver to Buffalo?

What is the cheapest month to book a flight from Denver to Buffalo?

Traveling to a place near Denver?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Denver to Buffalo

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Denver to Buffalo
Explore the most affordable flight options available from Denver to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2025.