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Cheap flights from Reykjavik Keflavik Intl Airport to Illinois from $337

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 5/18. 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
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$563Icelandair
Thu, Apr 9 - Wed, Apr 15
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
$570Icelandair
Thu, Apr 9 - Fri, Apr 17
Icelandair Logo
7:45 pm - 9:25 pm
KEF
-
ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$578Icelandair
Fri, Aug 7 - Thu, Aug 13
Scandinavian Airlines Logo
5:05 pm - 4:10 pm
KEF
-
ORD
28h 05m
1 stop
Scandinavian Airlines Logo
7:15 pm - 9:40 am
ORD
-
KEF
33h 25m
1 stop
$668Scandinavian Airlines
Thu, Apr 9 - Wed, Apr 15
Scandinavian Airlines Logo
5:05 pm - 4:10 pm
KEF
-
ORD
28h 05m
1 stop
Scandinavian Airlines Logo
7:15 pm - 4:15 pm
ORD
-
KEF
16h 00m
1 stop
$676Scandinavian Airlines
Thu, Apr 16 - Wed, Apr 22
Scandinavian Airlines Logo
5:05 pm - 4:10 pm
KEF
-
ORD
28h 05m
1 stop
Scandinavian Airlines Logo
7:15 pm - 7:05 am
ORD
-
KEF
30h 50m
2 stops
$680Scandinavian Airlines
Thu, Apr 16 - Wed, Apr 22
Multiple Airlines Logo
5:05 pm - 11:05 pm
KEF
-
ORD
35h 00m
3 stops
Multiple Airlines Logo
7:06 am - 10:25 am
ORD
-
KEF
22h 19m
3 stops
$733Multiple Airlines
Thu, Apr 16 - Wed, Apr 22
Multiple Airlines Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Multiple Airlines Logo
8:31 am - 6:20 am
ORD
-
KEF
16h 49m
1 stop
$745Multiple Airlines
Thu, Apr 9 - Wed, Apr 15
Virgin Atlantic Logo
11:25 am - 10:28 pm
KEF
-
MDW
16h 03m
2 stops
Virgin Atlantic Logo
1:24 pm - 9:30 am
MDW
-
KEF
15h 06m
2 stops
$847Virgin Atlantic
Thu, Apr 16 - Wed, Apr 22
Virgin Atlantic Logo
11:25 am - 10:31 pm
KEF
-
MDW
16h 06m
2 stops
Virgin Atlantic Logo
1:24 pm - 9:30 am
MDW
-
KEF
15h 06m
2 stops
$1,022Virgin Atlantic
Thu, Apr 9 - Fri, Apr 17

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
Apr 9
KEF5:05 pmReykjavik Keflavik Intl
28h 05m
1 stop
ORD4:10 pmChicago O'Hare Intl
Apr 15
ORD7:15 pmChicago O'Hare Intl
33h 25m
1 stop
KEF9:40 amReykjavik Keflavik Intl
$668
Scandinavian Airlines
Apr 16
KEF5:05 pmReykjavik Keflavik Intl
28h 05m
1 stop
ORD4:10 pmChicago O'Hare Intl
Apr 22
ORD7:15 pmChicago O'Hare Intl
16h 00m
1 stop
KEF4:15 pmReykjavik Keflavik Intl
$676
Scandinavian Airlines
Apr 16
KEF5:05 pmReykjavik Keflavik Intl
28h 05m
1 stop
ORD4:10 pmChicago O'Hare Intl
Apr 22
ORD7:15 pmChicago O'Hare Intl
30h 50m
2 stops
KEF7:05 amReykjavik Keflavik Intl
$680

Icelandair flights from Reykjavik Keflavik Intl Airport to Illinois

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Illinois flight tickets
Icelandair
Apr 9
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
Apr 15
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$563
Icelandair
Apr 9
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
Apr 17
ORD10:25 pmChicago O'Hare Intl
6h 05m
KEF9:30 amReykjavik Keflavik Intl
$570
Icelandair
Aug 7
KEF7:45 pmReykjavik Keflavik Intl
6h 40m
ORD9:25 pmChicago O'Hare Intl
Aug 13
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$578

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 February 19, 2026.
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

Thu 4/9

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 4/15

7:25 pm-6:40 am

Nonstop6h 15m

$563

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 4/9

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Fri 4/17

10:25 pm-9:30 am

Nonstop6h 05m

$570

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 8/7

7:45 pm-9:25 pm

Nonstop6h 40m

Chicago O'Hare Intl

Thu 8/13

7:25 pm-6:40 am

Nonstop6h 15m

$578

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 4/9

5:05 pm-4:10 pm

1 stop28h 05m

Chicago O'Hare Intl

Wed 4/15

7:15 pm-9:40 am

1 stop33h 25m

$668

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 4/16

5:05 pm-4:10 pm

1 stop28h 05m

Chicago O'Hare Intl

Wed 4/22

7:15 pm-4:15 pm

1 stop16h 00m

$676

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 4/16

5:05 pm-4:10 pm

1 stop28h 05m

Chicago O'Hare Intl

Wed 4/22

7:15 pm-7:05 am

2 stops30h 50m

$680

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 4/16

5:05 pm-11:05 pm

3 stops35h 00m

Chicago O'Hare Intl

Wed 4/22

7:06 am-10:25 am

3 stops22h 19m

$733

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 4/9

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 4/15

8:31 am-6:20 am

1 stop16h 49m

$745

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Thu 4/16

11:25 am-10:28 pm

2 stops16h 03m

Chicago Midway

Wed 4/22

1:24 pm-9:30 am

2 stops15h 06m

$847

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Thu 4/9

11:25 am-10:31 pm

2 stops16h 06m

Chicago Midway

Fri 4/17

1:24 pm-9:30 am

2 stops15h 06m

$1,022

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 Friday will generally be more expensive and average around $1,450. 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 $870.

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 14% 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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