Keflavik Intl

$260+ Cheap flights from Illinois to Keflavik Intl (KEF)

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KEF
Jan 26 — Feb 21
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Cheap flight deals from Illinois to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Keflavik Intl (KEF). 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 January 21, 2025.

Round-trip from

$571
(Mytrip)

One-way from

$260
(Mytrip)

Good round-trip deal

$391 or less

Good one-way deal

$346 or less
From Illinois to Reykjavik Keflavik Intl
One-way flight from Illinois to Reykjavik Keflavik Intl
Price to beat on a round-trip flight from Illinois to Reykjavik Keflavik Intl.
Price to beat on a one-way flight from Illinois to Reykjavik Keflavik Intl.

Find flight deals from Illinois to Keflavik Intl

Cheapest flights from Illinois to Keflavik Intl
Explore the most affordable flight options available from Illinois to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/141:30 pmSTL - KEF
2 stops38h 05mAir Canada
Tue 9/2310:00 amKEF - STL
2 stops38h 57mAir Canada
Deal found 1/20$562
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Tue 3/47:10 amORD - KEF
2 stops15h 35mMultiple Airlines
Tue 3/113:20 pmKEF - ORD
2 stops23h 09mMultiple Airlines
Deal found 1/21$571
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Wed 4/2310:15 pmORD - KEF
Nonstop6h 05mIcelandair
Thu 5/84:25 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 1/21$573
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/96:15 amMDW - KEF
1 stop17h 40mMultiple Airlines
Sun 5/113:05 pmKEF - MDW
1 stop25h 04mMultiple Airlines
Deal found 1/20$589
This Air Canada deal was found by Cheapflights users on 1/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/142:00 pmORD - KEF
2 stops13h 35mAir Canada
Thu 8/2110:00 amKEF - ORD
2 stops27h 00mAir Canada
Deal found 1/21$616
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 9/163:15 pmSTL - KEF
1 stop12h 15mUnited Airlines
Wed 9/2410:00 amKEF - STL
2 stops31h 20mUnited Airlines
Deal found 1/20$618
This Travelocity deal was found by Cheapflights users on 1/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/296:00 pmSTL - KEF
2 stops34h 55mBritish Airways
Tue 2/411:45 amKEF - STL
2 stops40h 24mBritish Airways
Deal found 1/19$619
This Finnair deal was found by Cheapflights users on 1/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/206:23 pmSTL - KEF
2 stops17h 07mMultiple Airlines
Tue 5/275:15 pmKEF - STL
2 stops35h 08mMultiple Airlines
Deal found 1/21$644
This KLM deal was found by Cheapflights users on 1/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:00 pmSTL - KEF
2 stops15h 30mKLM
Tue 5/2011:25 amKEF - STL
2 stops14h 23mKLM
Deal found 1/20$645
This Lufthansa deal was found by Cheapflights users on 1/20. 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.
Wed 10/81:27 pmSTL - KEF
2 stops29h 43mLufthansa
Mon 10/2012:25 amKEF - STL
2 stops43h 56mLufthansa
Deal found 1/20$658
This Finnair deal was found by Cheapflights users on 1/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/229:30 pmORD - KEF
1 stop14h 00mFinnair
Sun 4/275:15 pmKEF - ORD
1 stop29h 35mFinnair
Deal found 1/21$677
This Expedia deal was found by Cheapflights users on 1/20. 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.
Fri 4/1810:20 pmORD - KEF
1 stop30h 10mBritish Airways
Fri 4/258:45 amKEF - ORD
1 stop14h 05mBritish Airways
Deal found 1/20$683

Find flights from Illinois to Keflavik Intl within your budget

Customize your flight search to find flights from Illinois to Keflavik 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Wed 3/12

12:26 pm-5:00 am

1 stop11h 34m

Reykjavik Keflavik Intl

Tue 3/18

3:20 pm-4:55 pm

2 stops30h 35m

$580

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 4/2

5:55 am-4:50 am

1 stop17h 55m

Reykjavik Keflavik Intl

Tue 4/8

4:00 pm-4:52 pm

2 stops29h 52m

$590

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 6/4

10:15 pm-9:20 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Mon 6/16

7:35 pm-9:15 pm

Nonstop6h 40m

$591

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sat 5/31

8:25 pm-8:35 am

1 stop31h 10m

Reykjavik Keflavik Intl

Sun 6/8

10:00 am-8:00 am

2 stops27h 00m

$625

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 7/17

1:30 pm-8:35 am

2 stops38h 05m

Reykjavik Keflavik Intl

Tue 7/22

10:00 am-8:00 pm

2 stops39h 00m

$637

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 5/20

6:23 pm-4:30 pm

2 stops17h 07m

Reykjavik Keflavik Intl

Tue 5/27

5:15 pm-11:23 pm

2 stops35h 08m

$644

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 5/12

1:00 pm-9:30 am

2 stops15h 30m

Reykjavik Keflavik Intl

Tue 5/20

11:25 am-11:38 pm

2 stops17h 13m

$645

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 2/20

11:04 am-5:35 pm

2 stops24h 31m

Reykjavik Keflavik Intl

Thu 2/27

11:40 am-10:03 pm

2 stops40h 23m

$669

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Tue 4/22

9:30 pm-4:30 pm

1 stop14h 00m

Reykjavik Keflavik Intl

Sun 4/27

5:15 pm-5:50 pm

1 stop29h 35m

$677

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Fri 4/18

10:20 pm-9:30 am

1 stop30h 10m

Reykjavik Keflavik Intl

Fri 4/25

8:45 am-5:50 pm

1 stop14h 05m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 46 results
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Best time to book a flight from Illinois to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Illinois 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 Illinois to Keflavik Intl

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

What is the cheapest month to book a flight from Illinois to Reykjavik Keflavik Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Illinois to Reykjavik Keflavik Intl Airport (average of $328). Flying from Illinois to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $662). 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.

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

Find hourly flight availability from Illinois to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Reykjavik Keflavik Intl Airport as you normally would.

Rainfall in Keflavik Intl by month

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

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

Temperature in Keflavik Intl by month

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

If weather is an important factor for your trip to Reykjavik Keflavik 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 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing Keflavik Intl

Get insights into the airlines that provide service to Keflavik 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 Keflavik Intl. Reviews last updated January 21, 2025.
Peruse reviews from past customers who have flown with Icelandair, Scandinavian Airlines and Lufthansa from Illinois to Reykjavik to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8,521 reviews
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,341 reviews
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
1,286 reviews
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.5
Good
1,600 reviews
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.4
Good
1,490 reviews
8.0
Very good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Keflavik 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 to fly from Illinois to Reykjavik Keflavik Intl Airport one-way?

    The cheapest airlines for a one-way flight from Illinois to Reykjavik Keflavik Intl Airport are Icelandair ($371), WestJet ($412), and Scandinavian Airlines ($503).

  • What are the most popular routes from Illinois to Reykjavik Keflavik Intl Airport?

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

    On average you can expect to pay $1,237 for a flight from Illinois to Reykjavik Keflavik Intl Airport. The cheapest flight overall is $210 while the most popular route, (Chicago O'Hare Intl - Reykjavik Keflavik Intl) is currently priced at $506.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Keflavik 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 Illinois to Reykjavik Keflavik Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Reykjavik Keflavik Intl Airport (average of $328). Flying from Illinois to Reykjavik Keflavik Intl Airport in June is currently the most expensive (average of $662). 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.

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Keflavik

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Alternative routes for Illinois to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Illinois to Keflavik Intl

Discover the top 3 airlines that operate flights from Illinois to Keflavik 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$518Average$686FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$538Average$584FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$579Average$733FlexibilityNo cancel feeOn-time69%
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