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Reykjavik

$342+ Cheap flights from Illinois to Reykjavik (REK)

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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — REK
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
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Cheap flight deals from Illinois to Reykjavik

Cheapest flights from Illinois to Reykjavik
Explore the most affordable flight options available from Illinois to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 10, 2026.

This oojo deal was found by Cheapflights users on 6/7. 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.
Wed 9/210:56 am
ORD
-
KEF
1 stop14h 09m
Icelandair
Wed 9/97:45 pm
KEF
-
ORD
Nonstop6h 40m
Icelandair
Deal found 6/7$691
This Icelandair deal was found by Cheapflights users on 6/7. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:25 pm
ORD
-
KEF
Nonstop6h 15m
Icelandair
Sun 9/64:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 6/7$694
This oojo deal was found by Cheapflights users on 6/7. 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.
Wed 8/2610:56 am
ORD
-
KEF
1 stop16h 14m
Icelandair
Wed 9/27:55 pm
KEF
-
ORD
1 stop19h 11m
Icelandair
Deal found 6/7$695
This oojo deal was found by Cheapflights users on 6/7. 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.
Wed 8/2610:56 am
ORD
-
KEF
1 stop16h 14m
Icelandair
Tue 9/17:55 pm
KEF
-
ORD
1 stop19h 11m
Icelandair
Deal found 6/7$696
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:25 pm
ORD
-
KEF
Nonstop6h 05m
Icelandair
Sun 9/64:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 6/6$698
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:25 pm
ORD
-
KEF
Nonstop6h 15m
Icelandair
Mon 10/124:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 6/6$699
This Icelandair deal was found by Cheapflights users on 6/5. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:25 pm
ORD
-
KEF
Nonstop6h 15m
Icelandair
Sun 10/117:45 pm
KEF
-
ORD
Nonstop6h 40m
Icelandair
Deal found 6/5$701
This Gotogate deal was found by Cheapflights users on 6/8. 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.
Sun 7/267:25 pm
ORD
-
KEF
Nonstop6h 15m
Icelandair
Mon 8/34:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 6/8$702
This Cheapflightsfares deal was found by Cheapflights users on 6/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:25 pm
ORD
-
KEF
Nonstop6h 05m
Icelandair
Mon 9/284:25 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 6/8$703
This FlightHub deal was found by Cheapflights users on 6/6. 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 8/2610:56 am
ORD
-
KEF
1 stop14h 09m
Icelandair
Tue 9/87:45 pm
KEF
-
ORD
Nonstop6h 40m
Icelandair
Deal found 6/6$704
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:15 pm
ORD
-
KEF
1 stop12h 55m
Icelandair
Wed 9/307:45 pm
KEF
-
ORD
Nonstop6h 40m
Icelandair
Deal found 6/6$705
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 12/211:25 am
ORD
-
KEF
1 stop12h 40m
Icelandair
Sun 12/64:30 pm
KEF
-
ORD
Nonstop6h 50m
Icelandair
Deal found 6/6$706

Find flight deals from Illinois to Reykjavik

Keep the following information in mind while searching for Illinois to Reykjavik flight deals. Data was last updated June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$691
(oojo)

One-way from

$342
(oojo)

Popular in

July

Cheapest in

January

Average price

$743

Good round-trip deal

$737 or less

Good one-way deal

$375 or less
Provider with most accurate pricing for Chicago (CHI)-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Reykjavik (REK) flights.
Search Deals
From Illinois to Reykjavik (REK)
Search Deals
One-way flight from Illinois to Reykjavik (REK)
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($119 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Reykjavik (REK).
Search Deals
Price to beat on a one-way flight from Illinois to Reykjavik (REK).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Reykjavik 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 June 10, 2026.
Use the filters below to find and compare flights from Illinois to Reykjavik that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 9/9

1:00 pm-6:20 am

1 stop12h 20m

Reykjavik Keflavik Intl

Tue 9/15

7:50 pm-11:47 am

1 stop20h 57m

$739

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Fri 9/11

7:15 pm-5:45 pm

2 stops17h 30m

Reykjavik Keflavik Intl

Sat 9/19

6:35 pm-4:10 pm

2 stops26h 35m

$833

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 9/17

1:55 pm-4:15 pm

2 stops21h 20m

Reykjavik Keflavik Intl

Sat 9/26

6:35 pm-4:10 pm

2 stops26h 35m

$882

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Fri 8/21

4:10 pm-6:35 am

1 stop9h 25m

Reykjavik Keflavik Intl

Mon 8/24

10:45 am-10:00 pm

1 stop16h 15m

$892

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 9/13

7:15 pm-4:15 pm

1 stop16h 00m

Reykjavik Keflavik Intl

Sat 9/19

6:35 pm-4:10 pm

2 stops26h 35m

$899

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 9/17

1:00 pm-6:20 am

1 stop12h 20m

Reykjavik Keflavik Intl

Sat 9/26

4:25 pm-6:15 pm

Nonstop6h 50m

$900

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sat 9/5

7:15 pm-10:25 am

2 stops34h 10m

Reykjavik Keflavik Intl

Mon 9/14

11:15 am-4:10 pm

2 stops33h 55m

$903

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Tue 10/6

6:15 pm-9:10 am

1 stop9h 55m

Reykjavik Keflavik Intl

Sun 10/11

4:50 pm-1:30 am

1 stop13h 40m

$904

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Sun 10/4

4:50 pm-6:35 am

1 stop8h 45m

Reykjavik Keflavik Intl

Fri 10/9

5:00 pm-10:00 pm

1 stop10h 00m

$914

PeoriaReykjavik

PIA - KEF

PIAKEF

Greater Peoria

Tue 8/18

10:41 am-8:50 am

1 stop17h 09m

Reykjavik Keflavik Intl

Wed 9/2

10:00 am-8:59 pm

2 stops39h 59m

$918

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Reykjavik

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

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

Currently, December is the cheapest month in which you can book a flight from Illinois to Reykjavik (average of $117). Flying from Illinois to Reykjavik in July is currently the most expensive (average of $539). 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 REK?

Find hourly flight availability from Illinois to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 10, 2026.

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

Weekly flight availability from Illinois to Reykjavik

Explore weekly flight availability from Illinois to Reykjavik. 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 June 10, 2026.

The most flights from USIL to REK are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Illinois to Reykjavik?

How far ahead should I book a flight from Illinois to Reykjavik?

To ensure you get the cheapest price possible for a flight from Illinois to Reykjavik, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Related info for your journey

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

    KLM, Delta, and Scandinavian Airlines can get you from Illinois to Reykjavik in just under 12h 13m. Your travel time can differ by up to 5h 17m. The distance between Illinois and Reykjavik is about 2940 mi. This flight may include one or multiple stops.

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

    When deciding which route to take from Illinois to Reykjavik consider Chicago O'Hare Intl - Reykjavik Keflavik Intl, Chicago Midway - Reykjavik Keflavik Intl or Lambert-St Louis - Reykjavik Keflavik Intl as they are the most popular.

  • What are the most reliable airlines from Illinois to Reykjavik?

    The top 3 most reliable airlines when flying from Illinois to Reykjavik are Air Canada (85%), Austrian Airlines (85%) and Brussels Airlines (85%).

  • What are the cheapest flights from Illinois to Reykjavik?

    While on average a flight from Illinois to Reykjavik is generally $1,318, our data shows the cheapest flight currently is $291. When looking at the most popular route, (Chicago O'Hare Intl - Reykjavik Keflavik Intl), you can expect to pay $521 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Reykjavik 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?

    Currently, December is the cheapest month in which you can book a flight from Illinois to Reykjavik (average of $117). Flying from Illinois to Reykjavik in July is currently the most expensive (average of $539). 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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Top 2 airlines flying from Illinois to Reykjavik

Discover the top 2 airlines that operate flights from Illinois to Reykjavik. 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$348Average$632FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$613Average$723FlexibilityNo cancel feeOn-time69%

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