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O'Hare Intl

$254+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — ORD
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
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 August 18, 2025.

Round-trip from

$430
(Kiwi.com)

One-way from

$254
(Kiwi.com)

Good round-trip deal

$592 or less

Good one-way deal

$479 or less
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 August 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/17. 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 10/63:05 pmKEF - ORD
1 stop13h 15mMultiple Airlines
Wed 10/156:00 amORD - KEF
2 stops17h 55mMultiple Airlines
Deal found 8/17$430
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sun 10/53:05 pmKEF - ORD
1 stop13h 15mMultiple Airlines
Sat 10/115:05 amORD - KEF
2 stops18h 50mMultiple Airlines
Deal found 8/16$454
This Kissandfly.com deal was found by Cheapflights users on 8/17. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/63:05 pmKEF - ORD
1 stop13h 45mPLAY
Wed 10/157:00 amORD - KEF
1 stop16h 55mPLAY
Deal found 8/17$516
This Gotogate deal was found by Cheapflights users on 8/18. 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.
Mon 10/134:25 pmKEF - ORD
Nonstop6h 50mIcelandair
Wed 10/227:25 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 8/18$545
This oojo deal was found by Cheapflights users on 8/16. 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.
Sat 10/45:10 pmKEF - ORD
1 stop28h 00mScandinavian Airlines
Sat 10/117:15 pmORD - KEF
1 stop16h 05mScandinavian Airlines
Deal found 8/16$550
This Mytrip deal was found by Cheapflights users on 8/16. 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.
Sun 10/55:10 pmKEF - ORD
1 stop28h 00mScandinavian Airlines
Sat 10/117:15 pmORD - KEF
1 stop16h 05mScandinavian Airlines
Deal found 8/16$553
This Gotogate deal was found by Cheapflights users on 8/18. 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.
Thu 10/24:25 pmKEF - ORD
Nonstop6h 50mIcelandair
Thu 10/97:25 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 8/18$564

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 August 18, 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

Mon 10/6

3:05 pm-11:20 pm

1 stop13h 15m

Chicago O'Hare Intl

Wed 10/15

6:00 am-4:55 am

2 stops17h 55m

$430

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 10/5

3:05 pm-11:20 pm

1 stop13h 15m

Chicago O'Hare Intl

Sat 10/11

5:05 am-4:55 am

2 stops18h 50m

$454

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 10/6

3:05 pm-11:50 pm

1 stop13h 45m

Chicago O'Hare Intl

Wed 10/15

7:00 am-4:55 am

1 stop16h 55m

$516

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 10/13

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 10/22

7:25 pm-6:40 am

Nonstop6h 15m

$545

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 10/5

5:10 pm-4:10 pm

1 stop28h 00m

Chicago O'Hare Intl

Sat 10/11

7:15 pm-4:20 pm

1 stop16h 05m

$550

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 10/4

5:10 pm-4:10 pm

1 stop28h 00m

Chicago O'Hare Intl

Sat 10/11

7:15 pm-4:20 pm

1 stop16h 05m

$550

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 9/13

3:05 pm-11:10 am

1 stop25h 05m

$254

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 9/10

3:05 pm-11:10 am

1 stop25h 05m

$266

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 9/24

3:05 pm-11:10 am

1 stop25h 05m

$274

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 9/27

3:05 pm-11:10 am

1 stop25h 05m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 13 results
1
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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 August 18, 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 38% on airfare.

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

Explore weekly flight availability from Keflavik Intl to O'Hare 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 August 18, 2025.

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

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 August 18, 2025.
Get a feel of what it's like to fly with Icelandair from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
529 reviews

Overall

7.0

Comfort

6.9

Entertainment

7.0

Boarding

7.1

Crew

8.0

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
Icelandair
7.0
Good
529 reviews
Icelandair
7.0
Good
529 reviews

Overall

7.0

Comfort

6.9

Entertainment

7.0

Boarding

7.1

Crew

8.0

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

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 is the cheapest airline to fly 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 $483 on this airline.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport on time: Air Canada (80%), Austrian Airlines (80%), Brussels Airlines (80%).

  • 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 $819, our data shows the cheapest flight currently is $461. When looking at the most popular route, (Reykjavik Keflavik Intl - Chicago O'Hare Intl), you can expect to pay $434 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Beloit
Hoffman Estates
Skokie
Des Plaines
Elgin
Gurnee
Arlington Heights
Racine
Rockford
Great Lakes
Orland Park
Merrillville
Naperville
Waukegan
Elk Grove Village
Downers Grove
Tinley Park
Evanston

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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$483Average$570FlexibilityNo cancel feeOn-time76%

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