Illinois

$235+ Cheap flights from Keflavik Intl (KEF) to Illinois

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
KEF — ORD
Dec 30 — Jan 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Keflavik Intl to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Keflavik Intl to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Keflavik Intl (KEF) to Illinois (USIL). 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 December 25, 2024.

Round-trip from

$406
(Kiwi.com)

One-way from

$235
(Kiwi.com)
From Reykjavik Keflavik Intl to Illinois
One-way flight from Reykjavik Keflavik Intl to Illinois

Find flight deals from Keflavik Intl to Illinois

Cheapest flights from Keflavik Intl to Illinois
Explore the most affordable flight options available from Keflavik Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 25, 2024.

This Kiwi.com deal was found by Cheapflights users on 12/25. 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.
Thu 12/263:20 pmKEF - MDW
1 stop27h 46mMultiple Airlines
Wed 1/16:25 amMDW - KEF
1 stop16h 35mMultiple Airlines
Deal found 12/25$611
This Mytrip deal was found by Cheapflights users on 12/25. 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 12/264:45 pmKEF - ORD
Nonstop6h 35mMultiple Airlines
Wed 1/17:05 amORD - KEF
1 stop15h 55mMultiple Airlines
Deal found 12/25$915
This Justfly.com deal was found by Cheapflights users on 12/25. 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.
Wed 12/254:45 pmKEF - ORD
Nonstop6h 35mIcelandair
Sun 12/298:42 amORD - KEF
1 stop15h 33mIcelandair
Deal found 12/25$1,103
This Ovago deal was found by Cheapflights users on 12/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2611:40 amKEF - ORD
2 stops36h 02mBritish Airways
Wed 1/111:45 amORD - KEF
2 stops41h 10mBritish Airways
Deal found 12/25$1,532

Find flights from Keflavik Intl to Illinois within your budget

Customize your flight search to find flights from Keflavik Intl to Illinois 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 December 25, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Sat 2/8

3:20 pm-11:29 pm

2 stops14h 09m

Chicago Midway

Sat 2/15

10:26 am-5:00 am

1 stop12h 34m

$406

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 2/7

3:40 pm-5:50 pm

1 stop32h 10m

Chicago O'Hare Intl

Fri 2/14

7:40 pm-10:40 am

1 stop33h 00m

$465

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 2/15

4:45 pm-5:20 pm

Nonstop6h 35m

Chicago O'Hare Intl

Fri 2/21

6:30 pm-6:40 am

Nonstop6h 10m

$478

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 2/10

3:20 pm-4:10 pm

3 stops30h 50m

Chicago O'Hare Intl

Wed 2/19

3:14 pm-4:45 am

2 stops31h 31m

$584

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 2/15

11:50 am-5:00 pm

1 stop35h 10m

Chicago O'Hare Intl

Fri 2/21

9:45 pm-10:40 am

1 stop30h 55m

$885

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 2/15

11:50 am-2:45 pm

1 stop32h 55m

Chicago O'Hare Intl

Fri 2/21

8:35 pm-10:40 am

2 stops32h 05m

$897

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 2/10

7:50 am-6:35 pm

2 stops40h 45m

Chicago O'Hare Intl

Fri 2/14

8:30 pm-3:15 pm

2 stops60h 45m

$971

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 6/7

12:10 am-1:20 pm

1 stop18h 10m

Chicago O'Hare Intl

Sat 6/14

9:10 pm-8:30 am

Nonstop6h 20m

$1,096

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 2/15

2:20 pm-4:15 pm

1 stop31h 55m

Chicago O'Hare Intl

Fri 2/21

4:10 pm-1:20 pm

1 stop15h 10m

$1,209

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Tue 2/25

4:00 pm-2:25 pm

2 stops28h 25m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Keflavik Intl to Illinois

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

Travel insights for flights from Keflavik Intl to Illinois

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

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

Find hourly flight availability from Keflavik Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 25, 2024.

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

Rainfall in Illinois by month

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

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

Temperature in Illinois by month

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

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

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 25, 2024.
8.0
Very good
8,580 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

8.0
Very good
8,580 reviews
8.0
Very good
8,580 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

7.7
Good
1,286 reviews
8.0
Very good
8,580 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

7.6
Good
787 reviews
8.0
Very good
8,580 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

7.6
Good
1,604 reviews
8.0
Very good
8,580 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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

7.4
Good
1,500 reviews
8.0
Very good
8,580 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.6

Overall

8.0

Reviews

1 / 10

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 Illinois. 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 Reykjavik Keflavik Intl Airport to Illinois one-way?

    The cheapest airlines for a one-way flight from Reykjavik Keflavik Intl Airport to Illinois are Icelandair ($341), WestJet ($492), and Finnair ($570).

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

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

    The cheapest flight price from Reykjavik Keflavik Intl Airport to Illinois is $325. On average you can expect to pay $1,847. The most popular route, (Reykjavik Keflavik Intl - Chicago O'Hare Intl), can usually be booked for $491.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Reykjavik Keflavik Intl Airport to Illinois (average of $245). Flying from Reykjavik Keflavik Intl Airport to Illinois in March is currently the most expensive (average of $317). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Keflavik Intl to Illinois

Discover the top airline that operate flights from Keflavik Intl to Illinois. 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 December 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$505Average$664FlexibilityNo cancel feeOn-time76%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.