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Keflavik Intl

$290+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KEF
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 Wednesday 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 June 12, 2025.

Round-trip from

$569
(FlightHub)

One-way from

$290
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$721

Good round-trip deal

$544 or less

Good one-way deal

$258 or less
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. 6% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:45 pmORD - KEF
1 stop31h 10mBritish Airways
Tue 1/611:45 amKEF - ORD
1 stop32h 10mBritish Airways
Deal found 6/9$564
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:35 pmORD - KEF
1 stop29h 45mDelta
Mon 9/298:45 amKEF - ORD
2 stops15h 32mDelta
Deal found 6/9$565
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:25 pmORD - KEF
Nonstop6h 15mIcelandair
Sun 10/267:35 pmKEF - ORD
Nonstop6h 40mIcelandair
Deal found 6/9$566
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/173:50 pmORD - KEF
2 stops11h 20mAir Canada
Fri 7/259:30 amKEF - ORD
1 stop10h 25mAir Canada
Deal found 6/10$572
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Wed 9/311:19 amORD - KEF
2 stops29h 26mMultiple Airlines
Sun 9/78:10 pmKEF - ORD
2 stops23h 24mMultiple Airlines
Deal found 6/12$573
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:15 pmORD - KEF
1 stop16h 05mScandinavian Airlines
Tue 10/2811:30 amKEF - ORD
1 stop35h 15mScandinavian Airlines
Deal found 6/9$584
This Virgin Atlantic 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:16 pmORD - KEF
2 stops15h 14mVirgin Atlantic
Mon 9/2911:25 amKEF - ORD
2 stops17h 28mVirgin Atlantic
Deal found 6/9$585
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/145:30 pmORD - KEF
1 stop33h 45mWestJet
Tue 7/229:35 amKEF - ORD
1 stop12h 09mWestJet
Deal found 6/12$586
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 9/172:00 pmORD - KEF
1 stop13h 15mUnited Airlines
Sun 9/2112:00 pmKEF - ORD
Nonstop6h 55mUnited Airlines
Deal found 6/12$593
This KLM deal was found by Cheapflights users on 6/11. 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.
Sun 9/281:16 pmORD - KEF
2 stops15h 14mKLM
Tue 10/78:45 amKEF - ORD
2 stops12h 53mKLM
Deal found 6/11$660
This Austrian 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:20 pmORD - KEF
1 stop26h 00mAustrian Airlines
Fri 10/1712:10 amKEF - ORD
1 stop18h 10mAustrian Airlines
Deal found 6/10$661
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/310:30 pmORD - KEF
1 stop20h 05mLufthansa
Sat 10/112:20 pmKEF - ORD
1 stop34h 35mLufthansa
Deal found 6/12$676

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 June 12, 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

Fri 9/19

7:35 pm-6:20 am

1 stop29h 45m

Reykjavik Keflavik Intl

Mon 9/29

8:45 am-7:17 pm

2 stops15h 32m

$565

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sat 10/18

7:25 pm-6:40 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Sun 10/26

7:35 pm-9:15 pm

Nonstop6h 40m

$566

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 7/17

3:50 pm-8:10 am

2 stops11h 20m

Reykjavik Keflavik Intl

Fri 7/25

9:30 am-2:55 pm

1 stop10h 25m

$572

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 9/3

11:19 am-9:45 pm

2 stops29h 26m

Reykjavik Keflavik Intl

Sun 9/7

8:10 pm-2:34 pm

2 stops23h 24m

$573

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 8/11

5:30 pm-8:15 am

1 stop33h 45m

Reykjavik Keflavik Intl

Fri 8/29

9:35 am-4:44 pm

1 stop12h 09m

$583

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 10/19

7:15 pm-4:20 pm

1 stop16h 05m

Reykjavik Keflavik Intl

Tue 10/28

11:30 am-5:45 pm

1 stop35h 15m

$584

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 9/22

1:16 pm-9:30 am

2 stops15h 14m

Reykjavik Keflavik Intl

Mon 9/29

11:25 am-11:53 pm

2 stops17h 28m

$585

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 9/17

2:00 pm-8:15 am

1 stop13h 15m

Reykjavik Keflavik Intl

Sun 9/21

12:00 pm-1:55 pm

Nonstop6h 55m

$593

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Tue 11/11

8:05 am-10:50 am

2 stops20h 45m

Reykjavik Keflavik Intl

Sat 11/15

11:50 am-5:00 pm

1 stop35h 10m

$599

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 10/30

6:00 pm-5:35 pm

1 stop18h 35m

Reykjavik Keflavik Intl

Tue 11/11

11:45 am-1:55 pm

1 stop32h 10m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 25 results
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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 June 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 $659). 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 June 12, 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.

Weekly flight availability from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport

Explore weekly flight availability from O'Hare Intl to Keflavik Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from ORD to KEF are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
KLM
7.8
Good
1,358 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Finnair
7.6
Good
1,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Brussels Airlines
7.4
Good
355 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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 Air Canada and WestJet. You may be able to fly from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport for 13% 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 ($290), Icelandair ($369), and Air Canada ($415).

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

    Consider Icelandair (77%), Air Canada (31%) or Austrian Airlines (31%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport.

  • 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 $1,521, our data indicates the cheapest price to be $199. The most popular route (Chicago O'Hare Intl - Reykjavik Keflavik Intl), is priced around $472.

  • 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 $659). 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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Alternative routes for O'Hare Intl to Keflavik Intl

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$513Average$669FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$532Average$554FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$612Average$720FlexibilityNo cancel feeOn-time69%

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