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Cheap flights from Reykjavik Keflavik Intl Airport to Illinois from $330

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
7:45 pm - 9:25 pm
KEF
-
ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$513Icelandair
Sat, Aug 29 - Sat, Sep 5
Icelandair Logo
7:45 pm - 9:25 pm
KEF
-
ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$568Icelandair
Sat, Aug 29 - Sat, Sep 5
Icelandair Logo
7:45 pm - 9:25 pm
KEF
-
ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$580Icelandair
Sat, Aug 29 - Sat, Sep 5
Icelandair Logo
7:45 pm - 9:25 pm
KEF
-
ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$581Icelandair
Sat, Aug 29 - Sat, Sep 5
Icelandair Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 am
ORD
-
KEF
6h 15mnonstop
$583Icelandair
Wed, Dec 23 - Wed, Dec 30
Delta Logo
9:30 am - 6:19 pm
KEF
-
MDW
13h 49m
1 stop
Delta Logo
9:59 am - 7:00 am
MDW
-
KEF
16h 01m
1 stop
$838Delta
Fri, Sep 18 - Mon, Sep 28
Delta Logo
9:30 am - 6:19 pm
KEF
-
MDW
13h 49m
1 stop
Delta Logo
9:59 am - 7:00 am
MDW
-
KEF
16h 01m
1 stop
$839Delta
Fri, Sep 18 - Mon, Sep 28
Multiple Airlines Logo
7:50 pm - 7:30 am
KEF
-
MDW
16h 40m
1 stop
Multiple Airlines Logo
3:20 pm - 6:15 am
MDW
-
KEF
9h 55m
1 stop
$878Multiple Airlines
Wed, Aug 19 - Sun, Aug 30
Multiple Airlines Logo
10:45 am - 8:15 pm
KEF
-
MDW
14h 30m
1 stop
Multiple Airlines Logo
4:10 pm - 6:35 am
MDW
-
KEF
9h 25m
1 stop
$902Multiple Airlines
Thu, Aug 20 - Thu, Aug 27
Air France Logo
9:30 am - 6:01 pm
KEF
-
MDW
13h 31m
1 stop
Air France Logo
1:51 pm - 7:00 am
MDW
-
KEF
12h 09m
1 stop
$903Air France
Mon, Aug 17 - Mon, Aug 24

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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
Aug 24
KEF9:10 amReykjavik Keflavik Intl
36h 00m
1 stop
ORD4:10 pmChicago O'Hare Intl
Sep 2
ORD7:15 pmChicago O'Hare Intl
16h 00m
1 stop
KEF4:15 pmReykjavik Keflavik Intl
$708
Scandinavian Airlines
Aug 24
KEF9:10 amReykjavik Keflavik Intl
36h 00m
1 stop
ORD4:10 pmChicago O'Hare Intl
Sep 2
ORD7:15 pmChicago O'Hare Intl
30h 50m
2 stops
KEF7:05 amReykjavik Keflavik Intl
$724
Scandinavian Airlines
Dec 23
KEF6:05 pmReykjavik Keflavik Intl
28h 40m
1 stop
ORD4:45 pmChicago O'Hare Intl
Dec 30
ORD7:15 pmChicago O'Hare Intl
40h 25m
2 stops
KEF5:40 pmReykjavik Keflavik Intl
$729

Icelandair flights from Reykjavik Keflavik Intl Airport to Illinois

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Illinois flight tickets
Icelandair
Aug 29
KEF7:45 pmReykjavik Keflavik Intl
6h 40m
ORD9:25 pmChicago O'Hare Intl
Sep 5
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$513
Icelandair
Aug 29
KEF7:45 pmReykjavik Keflavik Intl
6h 40m
ORD9:25 pmChicago O'Hare Intl
Sep 5
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$568
Icelandair
Aug 29
KEF7:45 pmReykjavik Keflavik Intl
6h 40m
ORD9:25 pmChicago O'Hare Intl
Sep 5
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$580

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 July 8, 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

Cheapest round-trip
Quickest round-trip

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 8/29

7:45 pm-9:25 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sat 9/5

7:25 pm-6:40 am

Nonstop6h 15m

$513

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 8/29

7:45 pm-9:25 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sat 9/5

7:25 pm-6:40 am

Nonstop6h 15m

$568

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 8/29

7:45 pm-9:25 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sat 9/5

7:25 pm-6:40 am

Nonstop6h 15m

$580

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 8/29

7:45 pm-9:25 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sat 9/5

7:25 pm-6:40 am

Nonstop6h 15m

$581

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 12/23

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 12/30

6:30 pm-6:45 am

Nonstop6h 15m

$583

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Fri 9/18

9:30 am-6:19 pm

1 stop13h 49m

Chicago Midway

Mon 9/28

9:59 am-7:00 am

1 stop16h 01m

$838

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Fri 9/18

9:30 am-6:19 pm

1 stop13h 49m

Chicago Midway

Mon 9/28

9:59 am-7:00 am

1 stop16h 01m

$839

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Wed 8/19

7:50 pm-7:30 am

1 stop16h 40m

Chicago Midway

Sun 8/30

3:20 pm-6:15 am

1 stop9h 55m

$878

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Thu 8/20

10:45 am-8:15 pm

1 stop14h 30m

Chicago Midway

Thu 8/27

4:10 pm-6:35 am

1 stop9h 25m

$902

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Mon 8/17

9:30 am-6:01 pm

1 stop13h 31m

Chicago Midway

Mon 8/24

1:51 pm-7:00 am

1 stop12h 09m

$903

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 afternoon. Flights from Reykjavik Keflavik Intl Airport to Illinois during this time can be as low as $592. Flights in the morning are often more expensive with an average ticket price of $1,098.

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 Airport to Illinois flights?

There are 3 cabin classes available to choose from on Reykjavik Keflavik Intl Airport 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

Best Price Found

$570

Fastest flight time

6h 40m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Reykjavik Keflavik Intl Airport in the past 72 hours is $570. The best round-trip flight deal from Reykjavik Keflavik Intl Airport to Illinois found on momondo in the last 72 hours is $621.
The fastest flight from Reykjavik Keflavik Intl Airport to Illinois takes 6h 40m
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

Frequently asked questions about flying from Reykjavik Keflavik Intl Airport to Illinois

  • 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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