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O'Hare Intl

$390+ Cheap flights from Keflavik Intl (KEF) to O'Hare Intl (ORD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — ORD
Nov 2 — Nov 91
Sun 11/2
Sun 11/9
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 October 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$526
(Ticket)

One-way from

$394
(Kiwi.com)

Good one-way deal

$526 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 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 October 3, 2025.

This Booking.com deal was found by Cheapflights users on 10/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/234:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Mon 12/16:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 10/3$390
This Ticket deal was found by Cheapflights users on 10/1. 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.
Sat 11/224:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Fri 11/286:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 10/1$526
This Mytrip deal was found by Cheapflights users on 10/3. 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 11/174:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Mon 11/246:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 10/3$538
This Ticket deal was found by Cheapflights users on 10/2. 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.
Sun 11/234:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Sat 11/296:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 10/2$542
This Gotogate deal was found by Cheapflights users on 10/3. 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 11/244:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Wed 12/36:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 10/3$558
This FlightHub deal was found by Cheapflights users on 10/2. 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.
Wed 12/174:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Mon 1/56:30 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 10/2$584
This lol.travel deal was found by Cheapflights users on 10/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2211:25 amKEF - ORD
1 stop35h 20mScandinavian Airlines
Fri 11/287:20 pmORD - KEF
1 stop33h 25mScandinavian Airlines
Deal found 10/1$621
This Justfly.com deal was found by Cheapflights users on 10/3. 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.
Thu 11/204:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Wed 11/268:45 pmORD - KEF
1 stop19h 00mIcelandair
Deal found 10/3$638
This Gotogate deal was found by Cheapflights users on 10/3. 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 11/2011:30 amKEF - ORD
1 stop35h 15mScandinavian Airlines
Wed 11/267:20 pmORD - KEF
1 stop33h 25mScandinavian Airlines
Deal found 10/3$647

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 October 3, 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

Sat 11/22

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Fri 11/28

6:30 pm-6:45 am

Nonstop6h 15m

$526

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 11/23

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sat 11/29

6:30 pm-6:45 am

Nonstop6h 15m

$542

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 11/24

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 12/3

6:30 pm-6:45 am

Nonstop6h 15m

$558

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 3/26

4:30 pm-6:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Thu 4/2

7:25 pm-6:40 am

Nonstop6h 15m

$583

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 3/27

8:00 pm-9:40 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sat 4/4

7:25 pm-6:40 am

Nonstop6h 15m

$583

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 3/27

4:30 pm-6:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Thu 4/2

7:25 pm-6:40 am

Nonstop6h 15m

$583

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 3/26

4:30 pm-6:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Fri 4/3

10:40 pm-9:45 am

Nonstop6h 05m

$583

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 3/26

4:30 pm-6:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sat 4/4

7:25 pm-6:40 am

Nonstop6h 15m

$583

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 12/17

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Mon 1/5

6:30 pm-6:45 am

Nonstop6h 15m

$584

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 11/22

11:25 am-4:45 pm

1 stop35h 20m

Chicago O'Hare Intl

Fri 11/28

7:20 pm-10:30 am

2 stops33h 10m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 19 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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 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.

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 October 3, 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.

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 October 3, 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
546 reviews

Overall

7.0

Boarding

7.2

Entertainment

7.0

Crew

8.0

Food

6.2

Comfort

6.9

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.
Icelandair
7.0
Good
546 reviews
Icelandair
7.0
Good
546 reviews

Overall

7.0

Boarding

7.2

Entertainment

7.0

Crew

8.0

Food

6.2

Comfort

6.9

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

GVA - KEF

Terrible customer service when dealing with phone representatives. Baggage was lost.

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.

  • How long is the flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport?

    There are many flights that can get you from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport in 6h 50m. Fly via Icelandair to get the fastest option. The distance between Reykjavik Keflavik Intl Airport and Chicago O'Hare Intl Airport is about 2934 mi. All flights are typically nonstop.

  • 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 (89%), Austrian Airlines (89%), Brussels Airlines (89%).

  • 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 $653, our data shows the cheapest flight currently is $446. When looking at the most popular route, (Reykjavik Keflavik Intl - Chicago O'Hare Intl), you can expect to pay $542 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
Skokie
Des Plaines
Gurnee
Hoffman Estates
Elgin
Racine
Rockford
Oak Brook
Elk Grove Village
Beloit
Downers Grove
Naperville
Orland Park
Merrillville
Bridgeview
Warrenville
Arlington Heights
Joliet

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 October 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$483Average$591FlexibilityNo cancel feeOn-time76%

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