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$276+ Cheap flights from Keflavik Intl (KEF) to Chicago (CHI)

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — CHI
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Keflavik Intl to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Chicago (CHI). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$491
(Scandinavian Airlines)

One-way from

$276
(Kiwi.com)

Good round-trip deal

$508 or less

Good one-way deal

$408 or less
Provider with most accurate pricing for Reykjavik Keflavik Intl-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Reykjavik Keflavik Intl-Chicago (CHI) flights.
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From Reykjavik Keflavik Intl to Chicago (CHI)
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One-way flight from Reykjavik Keflavik Intl to Chicago (CHI)
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Price to beat on a round-trip flight from Reykjavik Keflavik Intl to Chicago (CHI).
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Price to beat on a one-way flight from Reykjavik Keflavik Intl to Chicago (CHI).
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Find flight deals from Keflavik Intl to Chicago

Cheapest flights from Keflavik Intl to Chicago
Explore the most affordable flight options available from Keflavik Intl to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 9/1011:05 amKEF - ORD
2 stops34h 05mScandinavian Airlines
Sat 9/207:15 pmORD - KEF
2 stops15h 05mScandinavian Airlines
Deal found 3/27$491
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
Wed 4/303:05 pmKEF - MDW
1 stop28h 40mMultiple Airlines
Mon 5/56:15 amMDW - KEF
1 stop17h 40mMultiple Airlines
Deal found 3/27$502
This oojo deal was found by Cheapflights users on 3/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/224:25 pmKEF - ORD
Nonstop6h 50mIcelandair
Wed 9/107:25 pmORD - KEF
Nonstop6h 15mIcelandair
Deal found 3/28$537
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Thu 5/14:00 pmKEF - ORD
2 stops37h 58mMultiple Airlines
Mon 5/511:54 amORD - KEF
2 stops35h 51mMultiple Airlines
Deal found 3/27$622
This United Airlines deal was found by Cheapflights users on 3/27. 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 stops14h 15mUnited Airlines
Wed 9/103:00 pmORD - KEF
2 stops11h 00mUnited Airlines
Deal found 3/27$715
This Lufthansa deal was found by Cheapflights users on 3/27. 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.
Sun 4/2712:25 amKEF - ORD
1 stop17h 30mLufthansa
Sun 5/410:30 pmORD - KEF
1 stop20h 05mLufthansa
Deal found 3/27$718
This Delta deal was found by Cheapflights users on 3/27. 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.
Tue 4/2911:25 amKEF - ORD
1 stop15h 58mDelta
Tue 5/610:37 amORD - KEF
1 stop17h 53mDelta
Deal found 3/27$735
This Delta deal was found by Cheapflights users on 3/27. 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 5/98:50 amKEF - MDW
1 stop14h 55mDelta
Tue 6/31:08 pmMDW - KEF
1 stop12h 12mDelta
Deal found 3/27$749
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1611:25 amKEF - ORD
1 stop15h 00mAir France
Wed 4/231:25 pmORD - KEF
2 stops15h 05mAir France
Deal found 3/27$751
This Virgin Atlantic deal was found by Cheapflights users on 3/27. 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.
Thu 5/811:25 amKEF - ORD
2 stops13h 56mVirgin Atlantic
Thu 6/51:30 pmORD - KEF
2 stops15h 00mVirgin Atlantic
Deal found 3/27$753
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:25 amKEF - MDW
2 stops15h 03mAir France
Thu 6/51:08 pmMDW - KEF
1 stop12h 12mAir France
Deal found 3/27$769

Cheapflights Fare Finder

Customize your flight search to find flights from Keflavik Intl to Chicago 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 March 28, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Chicago that are best for you.

Fly from

Keflavik Intl

Fly to

Chicago

Route

Depart

Return

Price

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 9/10

11:05 am-4:10 pm

2 stops34h 05m

Chicago O'Hare Intl

Sat 9/20

7:15 pm-3:20 pm

2 stops15h 05m

$491

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Wed 4/30

3:05 pm-2:45 pm

1 stop28h 40m

Chicago Midway

Mon 5/5

6:15 am-4:55 am

1 stop17h 40m

$502

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 8/22

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 9/10

7:25 pm-6:40 am

Nonstop6h 15m

$537

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 5/1

4:00 pm-12:58 am

2 stops37h 58m

Chicago O'Hare Intl

Mon 5/5

11:54 am-4:45 am

2 stops35h 51m

$622

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 8/22

11:00 am-8:15 pm

2 stops14h 15m

Chicago O'Hare Intl

Wed 9/10

3:00 pm-7:00 am

2 stops11h 00m

$715

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 4/27

12:25 am-12:55 pm

1 stop17h 30m

Chicago O'Hare Intl

Sun 5/4

10:30 pm-11:35 pm

1 stop20h 05m

$718

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Tue 4/29

11:25 am-10:23 pm

1 stop15h 58m

Chicago O'Hare Intl

Tue 5/6

10:37 am-9:30 am

1 stop17h 53m

$735

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Fri 5/9

8:50 am-6:45 pm

1 stop14h 55m

Chicago Midway

Tue 6/3

1:08 pm-6:20 am

1 stop12h 12m

$749

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 4/16

11:25 am-9:25 pm

1 stop15h 00m

Chicago O'Hare Intl

Wed 4/23

1:25 pm-9:30 am

2 stops15h 05m

$751

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 5/8

11:25 am-8:21 pm

2 stops13h 56m

Chicago O'Hare Intl

Thu 6/5

1:30 pm-9:30 am

2 stops15h 00m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 31 results
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Compare providers for flights from Keflavik Intl to Chicago

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 Chicago in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice 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 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Reykjavik Keflavik Intl Airport-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Reykjavik Keflavik Intl Airport-Chicago 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 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 Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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

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

Find hourly flight availability from Keflavik Intl to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

A simple way to save on the total cost of your ticket is to fly from Reykjavik Keflavik Intl Airport to Chicago at noon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the morning.

Weekly flight availability from Reykjavik Keflavik Intl Airport to Chicago

Explore weekly flight availability from Keflavik Intl to Chicago. 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 March 28, 2025.

The most flights from KEF to CHI are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, 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 Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated March 28, 2025.
See what other customers who have flown with Emirates, Delta and KLM from Reykjavik to Chicago have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,190 reviews

Entertainment

8.2

Overall

8.0

Food

7.8

Comfort

8.0

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,190 reviews
Emirates
8.0
Very good
3,190 reviews

Entertainment

8.2

Overall

8.0

Food

7.8

Comfort

8.0

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,896 reviews
Emirates
8.0
Very good
3,190 reviews

Entertainment

8.2

Overall

8.0

Food

7.8

Comfort

8.0

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,321 reviews
Emirates
8.0
Very good
3,190 reviews

Entertainment

8.2

Overall

8.0

Food

7.8

Comfort

8.0

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Finnair
7.6
Good
1,267 reviews
Emirates
8.0
Very good
3,190 reviews

Entertainment

8.2

Overall

8.0

Food

7.8

Comfort

8.0

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Austrian Airlines
7.5
Good
769 reviews
Emirates
8.0
Very good
3,190 reviews

Entertainment

8.2

Overall

8.0

Food

7.8

Comfort

8.0

Boarding

8.1

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Keflavik Intl to Chicago. 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 round-trip?

    Currently priced at $491, Scandinavian Airlines will fly you from Reykjavik Keflavik Intl Airport to Chicago and back. In addition to Scandinavian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and United Airlines - these airlines can fly you to your destination from $537 and $715, respectively.

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

    The cheapest airlines for a one-way flight from Reykjavik Keflavik Intl Airport to Chicago are WestJet ($276), Icelandair ($393), and Finnair ($615).

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

    Looking at all options, your cheapest flight can be booked for $373. While the most popular route (Reykjavik Keflavik Intl - Chicago O'Hare Intl) can be booked for $491 on average our data indicates $1,516 when flying from Reykjavik Keflavik Intl Airport to Chicago.

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

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

  • How can I find direct flights from Keflavik Intl to Chicago?

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

  • Can I find deals for business class flights from Keflavik Intl to Chicago?

    Yes. Cheapflights offers flight deals from Keflavik Intl to Chicago 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?

    Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Chicago (average of $245). Flying from Reykjavik Keflavik Intl Airport to Chicago in March is currently the most expensive (average of $323). 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
Merrillville
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Alternative routes for Keflavik Intl to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Keflavik Intl to O'Hare Intl flights
Keflavik Intl to St. Louis flights

Top airline flying from Keflavik Intl to Chicago

Discover the top airline that operate flights from Keflavik Intl to Chicago. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$483Average$664FlexibilityNo cancel feeOn-time76%
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