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Cheap flights from Reykjavik Keflavik Intl Airport to Illinois from $394

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Reykjavik Keflavik Intl Airport to Illinois departing on 1/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Reykjavik Keflavik Intl Airport to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 am
ORD
-
KEF
6h 15mnonstop
$443Icelandair
Tue, Feb 3 - Tue, Feb 10
Icelandair Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 am
ORD
-
KEF
6h 15mnonstop
$446Icelandair
Thu, Jan 22 - Wed, Jan 28
Icelandair Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 am
ORD
-
KEF
6h 15mnonstop
$448Icelandair
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:00 pm - 10:42 pm
KEF
-
ORD
11h 42m1 stop
Multiple Airlines Logo
7:20 am - 6:15 am
ORD
-
KEF
16h 55m2 stops
$578Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:15 pm - 8:18 am
KEF
-
ORD
21h 03m1 stop
Multiple Airlines Logo
9:23 am - 5:55 am
ORD
-
KEF
14h 32m1 stop
$588Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:15 pm - 8:18 am
KEF
-
ORD
21h 03m1 stop
Multiple Airlines Logo
9:23 am - 5:55 am
ORD
-
KEF
14h 32m1 stop
$589Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:15 pm - 8:18 am
KEF
-
ORD
21h 03m1 stop
Multiple Airlines Logo
9:23 am - 5:55 am
ORD
-
KEF
14h 32m1 stop
$594Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
Multiple Airlines Logo
9:40 am - 6:10 am
ORD
-
KEF
14h 30m1 stop
$604Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:15 pm - 8:18 am
KEF
-
ORD
21h 03m1 stop
Multiple Airlines Logo
9:23 am - 5:55 am
ORD
-
KEF
14h 32m1 stop
$606Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:15 pm - 8:18 am
KEF
-
ORD
21h 03m1 stop
Multiple Airlines Logo
9:23 am - 5:55 am
ORD
-
KEF
14h 32m1 stop
$610Multiple Airlines
Thu, Jan 22 - Wed, Jan 28

Icelandair flights from Reykjavik Keflavik Intl Airport to Illinois

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Illinois flight tickets
Icelandair
Feb 3
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
Feb 10
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
$443
Find similar
Icelandair
Jan 22
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
Jan 28
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
$446
Find similar
Icelandair
Jan 22
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
Jan 28
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
$447
Find similar

Scandinavian Airlines flights from Reykjavik Keflavik Intl Airport to Illinois

Our best Scandinavian Airlines deals on Reykjavik Keflavik Intl Airport to Illinois flight tickets
Scandinavian Airlines
Feb 3
KEF7:35 amReykjavik Keflavik Intl
20h 00m
2 stops
ORD9:35 pmChicago O'Hare Intl
Feb 10
ORD7:05 amChicago O'Hare Intl
21h 40m
2 stops
KEF10:45 amReykjavik Keflavik Intl
$796
Find similar
Scandinavian Airlines
Jan 22
KEF7:35 amReykjavik Keflavik Intl
20h 00m
2 stops
ORD9:35 pmChicago O'Hare Intl
Jan 28
ORD7:00 amChicago O'Hare Intl
21h 45m
2 stops
KEF10:45 amReykjavik Keflavik Intl
$889
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Reykjavik Keflavik Intl Airport 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, momondo users made 832,500 searches. Data last updated December 22, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Tue 2/3

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Tue 2/10

6:30 pm-6:45 am

Nonstop6h 15m

$443

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 1/28

6:30 pm-6:45 am

Nonstop6h 15m

$446

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 1/28

6:30 pm-6:45 am

Nonstop6h 15m

$448

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:00 pm-10:42 pm

1 stop11h 42m

Chicago O'Hare Intl

Wed 1/28

7:20 am-6:15 am

2 stops16h 55m

$578

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:15 pm-8:18 am

1 stop21h 03m

Chicago O'Hare Intl

Wed 1/28

9:23 am-5:55 am

1 stop14h 32m

$588

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:15 pm-8:18 am

1 stop21h 03m

Chicago O'Hare Intl

Wed 1/28

9:23 am-5:55 am

1 stop14h 32m

$589

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:15 pm-8:18 am

1 stop21h 03m

Chicago O'Hare Intl

Wed 1/28

9:23 am-5:55 am

1 stop14h 32m

$594

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 1/28

9:40 am-6:10 am

1 stop14h 30m

$604

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:15 pm-8:18 am

1 stop21h 03m

Chicago O'Hare Intl

Wed 1/28

9:23 am-5:55 am

1 stop14h 32m

$606

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:15 pm-8:18 am

1 stop21h 03m

Chicago O'Hare Intl

Wed 1/28

9:23 am-5:55 am

1 stop14h 32m

$610

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Reykjavik Keflavik Intl Airport to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Reykjavik Keflavik Intl Airport to Illinois is on a Thursday when prices can be found for as low as $592. Flights from Reykjavik Keflavik Intl Airport to Illinois on a Tuesday will generally be more expensive and average around $1,910. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Reykjavik Keflavik Intl Airport to Illinois during this time can be as low as $548. Flights in the morning are often more expensive with an average ticket price of $878.

What is the cheapest Reykjavik Keflavik Intl to Illinois flight route?

Fly from Reykjavik Keflavik Intl to Chicago O'Hare Intl for the best Reykjavik Keflavik Intl - Illinois flight prices

What cabin class options are available on Reykjavik Keflavik Intl to Illinois flights?

There are 3 cabin classes available to choose from on Reykjavik Keflavik Intl to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Reykjavik Keflavik Intl Airport to Illinois flights?

You could potentially save up to 20% on your flight if you consider stops on a Reykjavik Keflavik Intl Airport to Illinois flight.

Cheap Reykjavik Keflavik Intl Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Reykjavik Keflavik Intl Airport to Illinois

Fastest flight time

6h 50m

Direct flights

Every day

Airports in Illinois

98 airports
The fastest flight from Reykjavik Keflavik Intl Airport to Illinois takes 6h 50m
Direct flights go from Reykjavik Keflavik Intl Airport to Illinois every day.
There are 98 airports in Illinois. From Reykjavik Keflavik Intl Airport there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

  • When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to Illinois?

    Prices for flights from Reykjavik Keflavik Intl Airport to Illinois are refreshed on a daily basis.

  • How old do you have to be to fly from Reykjavik Keflavik Intl Airport to Illinois?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Reykjavik Keflavik Intl Airport to Illinois?

Why use momondo?

Why should I use momondo to find a flight deal from Reykjavik to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Reykjavik to Illinois for you.

Can I find flights from Reykjavik to Illinois with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Reykjavik to Illinois flights to just show those with flexible booking policies.

How can momondo help me find flights from Reykjavik to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Reykjavik to Illinois.

I’m not ready to book a flight from Reykjavik to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Reykjavik are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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