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Iceland

$303+ Cheap flights from Illinois to Iceland

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KEF
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Illinois to Iceland

Keep the following information in mind while searching for Illinois to Iceland flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$393
(Booking.com)

One-way from

$303
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$597

Good round-trip deal

$445 or less

Good one-way deal

$411 or less
Provider with most accurate pricing for Chicago (CHI)-Reykjavik (REK) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Reykjavik (REK) flights.
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From Illinois to Iceland
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One-way flight from Illinois to Iceland
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Highest demand for flights based on searches. 3% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Illinois to Iceland.
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Price to beat on a one-way flight from Illinois to Iceland.
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Find flight deals from Illinois to Iceland

Cheapest flights from Illinois to Iceland
Explore the most affordable flight options available from Illinois to Iceland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Booking.com deal was found by Cheapflights users on 10/30. 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.
Thu 11/276:30 pmORD - KEF
Nonstop6h 15mIcelandair
Thu 12/44:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 10/30$393
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/106:30 pmORD - KEF
Nonstop6h 15mIcelandair
Fri 11/214:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 10/29$416
This oojo deal was found by Cheapflights users on 10/28. 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.
Sun 11/166:30 pmORD - KEF
Nonstop6h 15mIcelandair
Fri 11/214:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 10/28$431
This KAYAK deal was found by Cheapflights users on 10/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:30 pmORD - KEF
Nonstop6h 15mIcelandair
Fri 11/214:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 10/29$444
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/106:30 pmORD - KEF
Nonstop6h 15mIcelandair
Thu 11/204:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 10/29$453
This oojo deal was found by Cheapflights users on 10/30. 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.
Sun 11/96:30 pmORD - KEF
Nonstop6h 15mIcelandair
Fri 11/144:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 10/30$469
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/96:30 pmORD - KEF
Nonstop6h 15mIcelandair
Thu 11/204:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 10/29$481
This Mytrip deal was found by Cheapflights users on 10/30. 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 12/86:30 pmORD - KEF
Nonstop6h 15mIcelandair
Mon 12/154:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 10/30$503
This CrystalTravel deal was found by Cheapflights users on 10/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:30 pmORD - KEF
Nonstop6h 15mIcelandair
Mon 12/84:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 10/30$511
This oojo deal was found by Cheapflights users on 10/30. 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.
Tue 12/96:30 pmORD - KEF
Nonstop6h 15mIcelandair
Sun 12/144:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 10/30$521
This Finnair deal was found by Cheapflights users on 10/30. 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 12/21:20 pmSTL - KEF
2 stops37h 55mMultiple Airlines
Thu 12/119:45 amKEF - STL
2 stops30h 40mMultiple Airlines
Deal found 10/30$619
This KAYAK deal was found by Cheapflights users on 10/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:43 pmSTL - KEF
2 stops37h 37mLufthansa
Fri 12/53:25 pmKEF - STL
2 stops31h 38mLufthansa
Deal found 10/30$630

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Iceland 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 30, 2025.
Use the filters below to find and compare flights from Illinois to Iceland that are best for you.

Fly from

Illinois

Fly to

Iceland

Route

Depart

Return

Price

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 12/1

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Fri 12/12

4:30 pm-5:20 pm

Nonstop6h 50m

$417

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 11/10

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Thu 11/20

4:30 pm-5:20 pm

Nonstop6h 50m

$454

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 11/9

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Fri 11/14

4:30 pm-5:20 pm

Nonstop6h 50m

$469

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 12/8

7:10 am-10:45 am

2 stops21h 35m

Reykjavik Keflavik Intl

Thu 12/11

11:30 am-4:45 pm

2 stops35h 15m

$527

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 12/7

7:00 am-10:45 am

2 stops21h 45m

Reykjavik Keflavik Intl

Thu 12/11

11:30 am-4:45 pm

2 stops35h 15m

$527

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 11/27

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Sun 12/14

4:30 pm-5:20 pm

Nonstop6h 50m

$534

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 11/30

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Mon 12/15

4:30 pm-5:20 pm

Nonstop6h 50m

$534

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 12/1

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Sun 12/14

4:30 pm-5:20 pm

Nonstop6h 50m

$572

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 11/13

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Fri 11/21

4:30 pm-5:20 pm

Nonstop6h 50m

$584

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 11/10

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Tue 11/18

4:30 pm-5:20 pm

Nonstop6h 50m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 59 results
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Best time to book a flight from Illinois to Iceland

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

Cheapflights Insights

Everything you need to know about your flight from Illinois to Iceland

What is the cheapest month to book a flight from Illinois to Iceland?

Currently, September is the cheapest month in which you can book a flight from Illinois to Iceland (average of $313). Flying from Illinois to Iceland in July is currently the most expensive (average of $589). 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 IS?

Find hourly flight availability from Illinois to Iceland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from Illinois to Iceland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 89% versus a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Iceland. 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 Illinois to Iceland?

    A quick flight from Illinois to Iceland can take about 6h 15m. Icelandair provides one of the quickest options available for as low as $417. The distance between Illinois and Iceland is about 2934 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

  • How can I find direct flights from Illinois to Iceland?

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

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

    Yes. Cheapflights offers flight deals from Illinois to Iceland 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 Iceland?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Iceland (average of $313). Flying from Illinois to Iceland in July is currently the most expensive (average of $589). 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

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Alternative routes for Illinois to Iceland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Illinois to Iceland

Discover the top 2 airlines that operate flights from Illinois to Iceland. 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$360Average$684FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$612Average$992FlexibilityNo cancel feeOn-time69%

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