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O'Hare Intl

$295+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — ORD
may. 5 — may. 121
lun. 5/5
lun. 5/12
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 abril 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$519
(Ticket)

One-way from

$295
(Kiwi.com)

Good round-trip deal

$519 or less

Good one-way deal

$418 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 abril 30, 2025.

This Ticket deal was found by Cheapflights users on 4/29. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/164:25 pmKEF - ORD
Nonstop6h 50mIcelandair
mié. 6/2510:15 pmORD - KEF
Nonstop6h 05mIcelandair
Deal found 4/29$519
This Ticket deal was found by Cheapflights users on 4/29. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/169:50 amKEF - ORD
1 stop28h 20mAir Canada
mié. 6/258:40 amORD - KEF
1 stop18h 30mAir Canada
Deal found 4/29$673
This Mytrip deal was found by Cheapflights users on 4/29. 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.
lun. 6/169:35 amKEF - ORD
2 stops35h 15mMultiple Airlines
mié. 6/255:51 amORD - KEF
1 stop17h 59mMultiple Airlines
Deal found 4/29$682
This United Airlines deal was found by Cheapflights users on 4/29. 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.
lun. 6/1612:00 pmKEF - ORD
Nonstop6h 50mUnited Airlines
mié. 6/252:07 pmORD - KEF
1 stop13h 03mUnited Airlines
Deal found 4/29$738
This Delta deal was found by Cheapflights users on 4/29. 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.
vie. 5/239:30 amKEF - ORD
1 stop16h 51mDelta
vie. 5/3011:03 amORD - KEF
1 stop14h 57mDelta
Deal found 4/29$779
This Virgin Atlantic deal was found by Cheapflights users on 4/29. 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.
mar. 8/2611:25 amKEF - ORD
2 stops14h 09mVirgin Atlantic
mié. 9/31:16 pmORD - KEF
2 stops15h 14mVirgin Atlantic
Deal found 4/29$787
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/221:15 amKEF - ORD
1 stop17h 45mLufthansa
vie. 5/309:10 pmORD - KEF
Nonstop6h 20mLufthansa
Deal found 4/29$797
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/1212:10 amKEF - ORD
1 stop18h 10mAustrian Airlines
vie. 6/209:10 pmORD - KEF
Nonstop6h 20mAustrian Airlines
Deal found 4/29$827
This British Airways deal was found by Cheapflights users on 4/29. 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.
lun. 6/1610:45 amKEF - ORD
2 stops27h 31mBritish Airways
mié. 6/258:25 pmORD - KEF
2 stops32h 15mBritish Airways
Deal found 4/29$907
This American Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 5/2310:30 amKEF - ORD
2 stops24h 23mAmerican Airlines
vie. 5/307:02 amORD - KEF
2 stops21h 08mAmerican Airlines
Deal found 4/29$991
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/151:00 amKEF - ORD
1 stop23h 40mLOT
mié. 6/259:40 pmORD - KEF
1 stop21h 15mLOT
Deal found 4/28$6,210

Cheapflights Fare Finder

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 abril 30, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Keflavik Intl

Fly to

O'Hare Intl

Route

Depart

Return

Price

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

lun. 6/16

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

mié. 6/25

10:15 pm-9:20 am

Nonstop6h 05m

$519

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

lun. 6/16

9:50 am-9:10 am

1 stop28h 20m

Chicago O'Hare Intl

mié. 6/25

8:40 am-8:10 am

1 stop18h 30m

$673

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

lun. 6/16

9:35 am-3:50 pm

2 stops35h 15m

Chicago O'Hare Intl

mié. 6/25

5:51 am-4:50 am

1 stop17h 59m

$682

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

lun. 6/16

12:00 pm-1:50 pm

Nonstop6h 50m

Chicago O'Hare Intl

mié. 6/25

9:10 pm-8:30 am

Nonstop6h 20m

$738

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

vie. 5/23

9:30 am-9:21 pm

1 stop16h 51m

Chicago O'Hare Intl

vie. 5/30

11:03 am-7:00 am

1 stop14h 57m

$779

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

mar. 8/26

11:25 am-8:34 pm

2 stops14h 09m

Chicago O'Hare Intl

mié. 9/3

1:16 pm-9:30 am

2 stops15h 14m

$787

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

jue. 5/22

1:15 am-2:00 pm

1 stop17h 45m

Chicago O'Hare Intl

vie. 5/30

9:10 pm-8:30 am

Nonstop6h 20m

$797

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

jue. 6/12

12:10 am-1:20 pm

1 stop18h 10m

Chicago O'Hare Intl

vie. 6/20

9:10 pm-8:30 am

Nonstop6h 20m

$827

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

lun. 6/16

10:45 am-9:16 am

2 stops27h 31m

Chicago O'Hare Intl

mié. 6/25

8:25 pm-9:40 am

2 stops32h 15m

$907

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

vie. 5/23

10:30 am-5:53 am

2 stops24h 23m

Chicago O'Hare Intl

vie. 5/30

7:02 am-9:10 am

2 stops21h 08m

$991

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 26 results
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Compare providers for flights from Keflavik Intl to O'Hare 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 Keflavik Intl to O'Hare Intl in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 Reykjavik Keflavik Intl Airport-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Reykjavik Keflavik Intl Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >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 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 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.

Cheapflights Insights

Everything you need to know about your flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

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 abril 30, 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 at noon could potentially save you up to 36% 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 abril 30, 2025.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LOT
7.6
Good
1,069 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 $519 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $673 and $738 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 WestJet ($295), Icelandair ($437), and Finnair ($656).

  • 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 $1,565, our data shows the cheapest flight currently is $358. When looking at the most popular route, (Reykjavik Keflavik Intl - Chicago O'Hare Intl), you can expect to pay $559 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
Schaumburg
Hoffman Estates
Rosemont
Beloit
Racine
Skokie
Naperville
Elgin
Tinley Park
Kenosha
Rockford
Arlington Heights
Orland Park
Joliet
Merrillville
Northbrook
Glenview
Des Plaines
Lake Geneva
Waukegan

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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$483Average$664FlexibilityNo cancel feeOn-time76%

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