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O'Hare Intl

$384+ Cheap flights from Keflavik Intl (KEF) to O'Hare Intl (ORD)

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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Keflavik Intl to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to O'Hare Intl (ORD). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$517
(Mytrip)

One-way from

$408
(oojo)

Good round-trip deal

$770 or less

Good one-way deal

$369 or less
Provider with most accurate pricing for Reykjavik Keflavik Intl-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Chicago O'Hare Intl flights.
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From Reykjavik Keflavik Intl to Chicago O'Hare Intl
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One-way flight from Reykjavik Keflavik Intl to Chicago O'Hare Intl
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Chicago O'Hare Intl.
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Chicago O'Hare Intl.
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Find flight deals from Keflavik Intl to O'Hare Intl

Cheapest flights from Keflavik Intl to O'Hare Intl
Explore the most affordable flight options available from Keflavik Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This oojo deal was found by Cheapflights users on 2/19. 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.
Thu 5/224:25 pmKEF - ORD
Nonstop6h 50mIcelandair
Wed 5/287:25 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 2/19$514
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Fri 4/43:45 pmKEF - ORD
3 stops24h 24mMultiple Airlines
Wed 4/95:10 amORD - KEF
2 stops18h 35mMultiple Airlines
Deal found 2/20$517
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 8/2211:00 amKEF - ORD
2 stops12h 54mUnited Airlines
Wed 9/109:15 pmORD - KEF
Nonstop6h 15mUnited Airlines
Deal found 2/20$688
This Virgin Atlantic deal was found by Cheapflights users on 2/20. 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 4/711:25 amKEF - ORD
1 stop11h 07mVirgin Atlantic
Mon 4/141:50 pmORD - KEF
1 stop14h 40mVirgin Atlantic
Deal found 2/20$705
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/26:20 pmKEF - ORD
1 stop25h 35mBritish Airways
Wed 3/261:49 pmORD - KEF
2 stops40h 06mBritish Airways
Deal found 2/20$809
This Lufthansa deal was found by Cheapflights users on 2/20. 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.
Tue 3/42:55 pmKEF - ORD
1 stop28h 30mLufthansa
Sat 3/299:20 pmORD - KEF
2 stops45h 15mLufthansa
Deal found 2/20$815
This American Airlines deal was found by Cheapflights users on 2/20. 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 3/511:45 amKEF - ORD
1 stop33h 00mAmerican Airlines
Sun 3/233:00 pmORD - KEF
2 stops38h 55mAmerican Airlines
Deal found 2/20$875
This Turkish Airlines deal was found by Cheapflights users on 2/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:50 amKEF - ORD
2 stops30h 50mTurkish Airlines
Mon 10/1311:25 amORD - KEF
2 stops22h 50mTurkish Airlines
Deal found 2/20$965

Find flights from Keflavik Intl to O'Hare Intl within your budget

Customize your flight search to find flights from Keflavik Intl to O'Hare 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 February 20, 2025.

Fly from

Keflavik Intl

Fly to

O'Hare Intl

Route

Depart

Return

Price

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 5/22

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 5/28

7:25 pm-6:40 am

Nonstop6h 15m

$514

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 4/4

3:45 pm-11:09 am

3 stops24h 24m

Chicago O'Hare Intl

Wed 4/9

5:10 am-4:45 am

2 stops18h 35m

$517

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 4/7

11:25 am-5:32 pm

1 stop11h 07m

Chicago O'Hare Intl

Mon 4/14

1:50 pm-9:30 am

1 stop14h 40m

$705

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 3/2

6:20 pm-1:55 pm

1 stop25h 35m

Chicago O'Hare Intl

Wed 3/26

1:49 pm-10:55 am

2 stops40h 06m

$809

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Tue 3/4

2:55 pm-1:25 pm

1 stop28h 30m

Chicago O'Hare Intl

Sat 3/29

9:20 pm-11:35 pm

2 stops45h 15m

$815

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 3/5

11:45 am-2:45 pm

1 stop33h 00m

Chicago O'Hare Intl

Sun 3/23

3:00 pm-10:55 am

2 stops38h 55m

$875

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 5/22

5:15 pm-2:50 pm

2 stops26h 35m

Chicago O'Hare Intl

Wed 5/28

4:44 pm-4:30 pm

2 stops18h 46m

$884

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 7/25

7:35 pm-9:15 pm

Nonstop6h 40m

$384

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 7/7

9:35 am-9:54 am

2 stops29h 19m

$519

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 4/3

8:45 am-5:50 pm

1 stop14h 05m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Reykjavik Keflavik Intl Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Reykjavik Keflavik Intl Airport-Chicago O'Hare 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 Keflavik Intl to O'Hare Intl

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

Travel insights for flights from Keflavik Intl to O'Hare Intl

Get recent, data-driven insights about flights from Keflavik Intl to O'Hare Intl including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from KEF to ORD?

Find hourly flight availability from Keflavik Intl to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

One of the essential ways to save on airfare from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 30% on airfare.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare 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 O'Hare Intl. Reviews last updated February 20, 2025.
Finnair
7.6
Good
1,273 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Finnair
7.6
Good
1,273 reviews
Finnair
7.6
Good
1,273 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Virgin Atlantic
7.5
Good
654 reviews
Finnair
7.6
Good
1,273 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Turkish Airlines
7.3
Good
3,832 reviews
Finnair
7.6
Good
1,273 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,273 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Icelandair
7.1
Good
491 reviews
Finnair
7.6
Good
1,273 reviews

Comfort

7.4

Food

6.7

Entertainment

6.9

Overall

7.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20

4.0
Okay

Anonymous,Sep 2023

LHR - EWR

Waited about 90 minutes in passport control in Newark because there were only 2 gates open for much of the time with several hundred people in the line.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to O'Hare 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 Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport round-trip?

    Our cheapest airline available from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport is Icelandair. Our recent data shows that you can find tickets from as low as $554 on this airline. Additional options worth looking into are Virgin Atlantic and British Airways, starting at $705 and $809 round-trip.

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

    The cheapest airlines for a one-way flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport are Icelandair ($408), Finnair ($583), and British Airways ($634).

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

    While on average a flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport is generally $1,707, our data shows the cheapest flight currently is $346. When looking at the most popular route, (Reykjavik Keflavik Intl - Chicago O'Hare Intl), you can expect to pay $472 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Naperville
Rosemont
Schaumburg
Beloit
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Arlington Heights
Northbrook
Joliet
Orland Park
Merrillville
Kenosha
Lake Geneva
New Buffalo
Evanston
Des Plaines
Elgin

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Keflavik Intl to O'Hare Intl

Discover the top airline that operate flights from Keflavik Intl to O'Hare 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$483Average$664FlexibilityNo cancel feeOn-time76%
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