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$298+ Cheap flights from Charlotte (CLT) to Porto (OPO)

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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — OPO
Jun 15 — Jun 221
Sun 6/15
Sun 6/22
1 adult, Economy
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Cheapflights Tip: The best prices from Charlotte Douglas to Porto are usually found in January or November, booked 18 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Charlotte to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Charlotte (CLT) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2025.

Round-trip from

$561
(Lufthansa)

One-way from

$298
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,619
From Charlotte Douglas to Porto
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One-way flight from Charlotte Douglas to Porto
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Highest demand for flights based on searches. 24% potential increase in price ($288 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($68 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Charlotte to Porto

Cheapest flights from Charlotte to Porto
Explore the most affordable flight options available from Charlotte to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2025.

This Lufthansa deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:29 pmCLT - OPO
2 stops26h 16mLufthansa
Wed 11/196:00 amOPO - CLT
2 stops17h 51mLufthansa
Deal found 6/9$561
This SWISS deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:50 pmCLT - OPO
2 stops35h 25mSWISS
Tue 12/97:25 pmOPO - CLT
2 stops30h 58mSWISS
Deal found 6/9$583
This Iberia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:00 pmCLT - OPO
1 stop10h 40mIberia
Thu 1/158:20 amOPO - CLT
1 stop12h 50mIberia
Deal found 6/10$592
This Finnair deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:30 pmCLT - OPO
1 stop17h 10mMultiple Airlines
Tue 12/98:40 pmOPO - CLT
1 stop24h 30mMultiple Airlines
Deal found 6/9$602
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:19 pmCLT - OPO
2 stops13h 26mAmerican Airlines
Wed 11/198:40 pmOPO - CLT
1 stop24h 30mAmerican Airlines
Deal found 6/8$608
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:50 pmCLT - OPO
2 stops15h 50mUnited Airlines
Thu 1/156:00 amOPO - CLT
2 stops43h 59mUnited Airlines
Deal found 6/10$610
This Ovago deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/24:00 pmCLT - OPO
1 stop14h 45mBritish Airways
Fri 1/168:20 amOPO - CLT
2 stops18h 31mBritish Airways
Deal found 6/8$621
This Booking.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:25 amCLT - OPO
2 stops17h 55mAir Canada
Wed 10/16:00 amOPO - CLT
2 stops20h 22mAir Canada
Deal found 6/9$643
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3111:45 amCLT - OPO
2 stops23h 40mDelta
Sun 1/1811:15 amOPO - CLT
2 stops17h 39mDelta
Deal found 6/10$765

Cheapflights Fare Finder

Customize your flight search to find flights from Charlotte to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2025.
Use the filters below to find and compare flights from Charlotte to Porto that are best for you.

Fly from

Charlotte

Fly to

Porto

Route

Depart

Return

Price

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/29

5:29 pm-11:45 pm

2 stops26h 16m

Porto

Wed 11/19

6:00 am-6:51 pm

2 stops17h 51m

$561

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 12/1

6:50 pm-11:15 am

2 stops35h 25m

Porto

Tue 12/9

7:25 pm-9:23 pm

2 stops30h 58m

$583

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 11/3

4:00 pm-7:40 am

1 stop10h 40m

Porto

Thu 1/15

8:20 am-4:10 pm

1 stop12h 50m

$592

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Mon 12/1

6:30 pm-4:40 pm

1 stop17h 10m

Porto

Tue 12/9

8:40 pm-4:10 pm

1 stop24h 30m

$602

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 10/29

6:19 pm-11:45 am

2 stops13h 26m

Porto

Wed 11/19

8:40 pm-4:10 pm

1 stop24h 30m

$608

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/2

2:50 pm-11:40 am

2 stops15h 50m

Porto

Thu 1/15

6:00 am-8:59 pm

2 stops43h 59m

$610

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Sun 11/2

4:00 pm-11:45 am

1 stop14h 45m

Porto

Fri 1/16

8:20 am-9:51 pm

2 stops18h 31m

$621

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Wed 9/24

10:25 am-9:20 am

2 stops17h 55m

Porto

Wed 10/1

6:00 am-9:22 pm

2 stops20h 22m

$643

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Fri 10/31

11:45 am-3:25 pm

2 stops23h 40m

Porto

Sun 1/18

11:15 am-11:54 pm

2 stops17h 39m

$765

CharlottePorto

CLT - OPO

CLTOPO

Charlotte Douglas

Tue 9/16

3:15 pm-9:20 am

2 stops37h 05m

$496

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results
1
2

Best time to book a flight from Charlotte to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Charlotte 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 Charlotte to Porto

How far ahead should I book a flight from Charlotte to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Charlotte to Porto. Price data was last updated on June 9, 2025.

The price you pay for your flight from Charlotte to Porto may vary depending on when you book. For the best chance of a lower fare, look to book 18 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Charlotte to Porto?

Currently, January is the cheapest month in which you can book a flight from Charlotte to Porto (average of $523). Flying from Charlotte to Porto in June is currently the most expensive (average of $1,047). 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 CLT to OPO?

Find hourly flight availability from Charlotte to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 10, 2025.

When flying from Charlotte to Porto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 15% versus a flight in the afternoon.

Rainfall in Porto by month

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

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

Temperature in Porto by month

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

If weather is an important factor for your trip to Porto, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated June 10, 2025.
Delta
8.0
Very good
7,951 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,951 reviews
Delta
8.0
Very good
7,951 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,622 reviews
Delta
8.0
Very good
7,951 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,784 reviews
Delta
8.0
Very good
7,951 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,951 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,517 reviews
Delta
8.0
Very good
7,951 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the cheapest airlines flying from Charlotte to Porto round-trip?

    According to our current data, Lufthansa ($561), SWISS ($583), and Iberia ($592) offers the cheapest pricing from Charlotte to Porto. Lufthansa is currently priced 36% below the average price you’ll pay for this route.

  • Can I find deals for flights from Charlotte to Porto that include hotel bookings?

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

  • How can I find direct flights from Charlotte to Porto?

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

  • Can I find deals for business class flights from Charlotte to Porto?

    Yes. Cheapflights offers flight deals from Charlotte to Porto 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 Charlotte to Porto?

    Currently, January is the cheapest month in which you can book a flight from Charlotte to Porto (average of $523). Flying from Charlotte to Porto in June is currently the most expensive (average of $1,047). 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

Traveling to a place near Charlotte?

Book flights to Charlotte if you plan to visit one of these locations
Aveiro
Coimbra
Matosinhos
Arcos de Valdevez

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Charlotte to Porto

Discover the top 6 airlines that operate flights from Charlotte to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$565Average$882FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$568Average$727FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$569Average$849FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$590Average$757FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$602Average$2,076FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$751Average$1,117FlexibilityNo cancel feeOn-time69%

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