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Keflavik Intl

$222+ Cheap flights from O'Hare Intl (ORD) to Keflavik Intl (KEF)

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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KEF
May 21 — May 281
Wed 5/21
Wed 5/28
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Reykjavik Keflavik Intl are usually found in January or April, booked 48 days in advance, depart on a Thursday or Sunday and return on a Saturday

Cheap flight deals from O'Hare Intl to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Keflavik Intl (KEF). 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 May 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$569
(FlightHub)

One-way from

$222
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$671

Good round-trip deal

$559 or less

Good one-way deal

$311 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Reykjavik Keflavik Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Reykjavik Keflavik Intl flights.
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From Chicago O'Hare Intl to Reykjavik Keflavik Intl
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One-way flight from Chicago O'Hare Intl to Reykjavik Keflavik Intl
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Highest demand for flights based on searches. 5% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Reykjavik Keflavik Intl.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Reykjavik Keflavik Intl.
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Find flight deals from O'Hare Intl to Keflavik Intl

Cheapest flights from O'Hare Intl to Keflavik Intl
Explore the most affordable flight options available from O'Hare Intl to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 16, 2025.

This Icelandair deal was found by Cheapflights users on 5/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:15 pmORD - KEF
Nonstop6h 05mIcelandair
Wed 10/294:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 5/15$572
This American Airlines deal was found by Cheapflights users on 5/15. 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.
Mon 12/158:45 pmORD - KEF
1 stop32h 05mAmerican Airlines
Fri 12/266:45 pmKEF - ORD
1 stop25h 10mAmerican Airlines
Deal found 5/15$574
This Gotogate deal was found by Cheapflights users on 5/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:15 pmORD - KEF
2 stops32h 55mAir Canada
Mon 6/99:50 amKEF - ORD
1 stop14h 40mAir Canada
Deal found 5/15$578
This Mytrip deal was found by Cheapflights users on 5/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:00 amORD - KEF
2 stops17h 55mMultiple Airlines
Tue 9/23:05 pmKEF - ORD
2 stops31h 32mMultiple Airlines
Deal found 5/14$581
This United Airlines deal was found by Cheapflights users on 5/14. 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.
Tue 6/32:07 pmORD - KEF
1 stop13h 03mUnited Airlines
Mon 6/99:50 amKEF - ORD
2 stops33h 51mUnited Airlines
Deal found 5/14$605
This Vliegwinkel deal was found by Cheapflights users on 5/15. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/269:10 pmORD - KEF
Nonstop6h 20mAustrian Airlines
Wed 6/412:00 pmKEF - ORD
Nonstop6h 50mAustrian Airlines
Deal found 5/15$609
This Delta deal was found by Cheapflights users on 5/15. 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.
Mon 5/2611:05 amORD - KEF
1 stop14h 15mDelta
Wed 6/411:25 amKEF - ORD
2 stops14h 55mDelta
Deal found 5/15$631
This oojo deal was found by Cheapflights users on 5/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:15 pmORD - KEF
1 stop16h 05mScandinavian Airlines
Wed 9/1010:20 amKEF - ORD
1 stop34h 50mScandinavian Airlines
Deal found 5/15$633
This Ovago deal was found by Cheapflights users on 5/15. 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.
Wed 5/289:10 pmORD - KEF
Nonstop6h 20mLufthansa
Tue 6/31:15 amKEF - ORD
1 stop16h 15mLufthansa
Deal found 5/15$653
This Virgin Atlantic deal was found by Cheapflights users on 5/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/308:40 amORD - KEF
2 stops19h 50mVirgin Atlantic
Mon 6/211:25 amKEF - ORD
2 stops13h 56mVirgin Atlantic
Deal found 5/15$681
This Finnair deal was found by Cheapflights users on 5/15. 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.
Wed 9/34:55 pmORD - KEF
2 stops18h 35mFinnair
Wed 9/175:15 pmKEF - ORD
2 stops28h 45mFinnair
Deal found 5/15$688
This KLM deal was found by Cheapflights users on 5/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/312:00 pmORD - KEF
1 stop11h 20mKLM
Tue 8/128:50 amKEF - ORD
2 stops12h 56mKLM
Deal found 5/15$708

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Keflavik Intl 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 May 16, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

O'Hare Intl

Fly to

Keflavik Intl

Route

Depart

Return

Price

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 10/22

10:15 pm-9:20 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Wed 10/29

4:30 pm-6:20 pm

Nonstop6h 50m

$572

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 6/4

6:15 pm-8:10 am

2 stops32h 55m

Reykjavik Keflavik Intl

Mon 6/9

9:50 am-7:30 pm

1 stop14h 40m

$578

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 8/25

6:00 am-4:55 am

2 stops17h 55m

Reykjavik Keflavik Intl

Tue 9/2

3:05 pm-5:37 pm

2 stops31h 32m

$581

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Tue 6/3

2:07 pm-8:10 am

1 stop13h 03m

Reykjavik Keflavik Intl

Mon 6/9

9:50 am-2:41 pm

2 stops33h 51m

$605

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 5/26

9:10 pm-8:30 am

Nonstop6h 20m

Reykjavik Keflavik Intl

Wed 6/4

12:00 pm-1:50 pm

Nonstop6h 50m

$609

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 5/26

11:05 am-6:20 am

1 stop14h 15m

Reykjavik Keflavik Intl

Wed 6/4

11:25 am-9:20 pm

2 stops14h 55m

$631

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 9/1

7:15 pm-4:20 pm

1 stop16h 05m

Reykjavik Keflavik Intl

Wed 9/10

10:20 am-4:10 pm

1 stop34h 50m

$633

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 5/28

9:10 pm-8:30 am

Nonstop6h 20m

Reykjavik Keflavik Intl

Tue 6/3

1:15 am-12:30 pm

1 stop16h 15m

$653

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 5/26

5:15 pm-6:20 am

1 stop8h 05m

Reykjavik Keflavik Intl

Sun 6/1

9:30 am-2:28 pm

1 stop9h 58m

$676

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Fri 5/30

8:40 am-9:30 am

2 stops19h 50m

Reykjavik Keflavik Intl

Mon 6/2

11:25 am-8:21 pm

2 stops13h 56m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 20 results
1
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Compare providers for flights from O'Hare Intl to Keflavik Intl

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 O'Hare Intl to Keflavik Intl in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust 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 Chicago O'Hare Intl Airport-Reykjavik Keflavik Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago O'Hare Intl Airport-Reykjavik Keflavik Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Reykjavik Keflavik Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Reykjavik Keflavik Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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 Chicago O'Hare Intl Airport-Reykjavik Keflavik Intl Airport 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 O'Hare Intl to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from O'Hare Intl 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 Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Keflavik Intl. Price data was last updated on May 9, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport, you should look to book at least 48 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport (average of $328). Flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $653). 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 ORD to KEF?

Find hourly flight availability from O'Hare Intl to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 31% on flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport by exploring options for tickets at noon.

Rainfall in Keflavik Intl by month

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

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

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

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, 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 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik Intl. 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 Keflavik Intl. Reviews last updated May 16, 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and KLM from Chicago to Reykjavik to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

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!
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

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!
KLM
7.8
Good
1,344 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

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!
Finnair
7.6
Good
1,279 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

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!
Austrian Airlines
7.6
Good
790 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

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 O'Hare Intl to Keflavik Intl. 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 Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport round-trip?

    Icelandair, at $569, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport.Alternate airlines to your destination round-trip include Finnair and British Airways. You may be able to fly from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport for 14% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport one-way?

    The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport are WestJet ($373), Icelandair ($397), and British Airways ($420).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport? While on average our users pay $1,424, our data indicates the cheapest price to be $227. The most popular route (Chicago O'Hare Intl - Reykjavik Keflavik Intl), is priced around $374.

  • Can I find deals for flights from O'Hare Intl to Keflavik Intl that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Keflavik Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Keflavik Intl.

  • Can I find deals for business class flights from O'Hare Intl to Keflavik Intl?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Keflavik Intl 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 Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport (average of $328). Flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $653). 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 Chicago O'Hare Intl Airport?

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Keflavik

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Alternative routes for O'Hare Intl to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Midway to Keflavik Intl flights

Top 3 airlines flying from O'Hare Intl to Keflavik Intl

Discover the top 3 airlines that operate flights from O'Hare Intl to Keflavik Intl. 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 May 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$521Average$678FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$532Average$559FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$613Average$722FlexibilityNo cancel feeOn-time69%

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