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Cheap flights from Reykjavik Keflavik Intl Airport to Illinois from $252

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 10/2. 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

Logo
9:35 am - 4:43 pmKEF-ORD
12h 08m1 stop
Logo
6:30 am - 4:55 amORD-KEF
17h 25m2 stops
$512
Find Deal
Thu, Oct 2 - Wed, Oct 8
Logo
3:05 pm - 11:20 pmKEF-ORD
13h 15m1 stop
Logo
6:11 pm - 4:55 amORD-KEF
29h 44m1 stop
$517
Find Deal
Fri, Sep 19 - Fri, Sep 26
Scandinavian Airlines Logo
11:30 am - 4:45 pmKEF-ORD
35h 15m1 stop
Scandinavian Airlines Logo
7:20 pm - 10:45 amORD-KEF
33h 25m1 stop
$519Scandinavian Airlines
Find Deal
Sun, Nov 23 - Sun, Nov 30
Logo
9:35 am - 4:43 pmKEF-ORD
12h 08m1 stop
Logo
6:30 am - 4:55 amORD-KEF
17h 25m2 stops
$527
Find Deal
Thu, Oct 2 - Wed, Oct 8
Icelandair Logo
4:30 pm - 5:20 pmKEF-ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 amORD-KEF
6h 15mnonstop
$537Icelandair
Find Deal
Sun, Nov 23 - Sun, Nov 30
Icelandair Logo
7:35 pm - 9:15 pmKEF-ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 amORD-KEF
6h 15mnonstop
$549Icelandair
Find Deal
Sun, Sep 28 - Sat, Oct 4
Scandinavian Airlines Logo
7:35 am - 4:45 pmKEF-ORD
15h 10m1 stop
Scandinavian Airlines Logo
7:20 pm - 10:30 amORD-KEF
57h 10m2 stops
$617Scandinavian Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 4
KLM Logo
9:30 am - 2:30 pmKEF-STL
10h 00m1 stop
KLM Logo
5:25 pm - 6:20 amSTL-KEF
7h 55m1 stop
$759KLM
Find Deal
Fri, Aug 22 - Tue, Aug 26
Air France Logo
8:50 am - 11:24 pmKEF-STL
19h 34m2 stops
Air France Logo
11:29 am - 6:20 amSTL-KEF
13h 51m2 stops
$763Air France
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Fri, Aug 22 - Tue, Aug 26
KLM Logo
9:30 am - 5:37 pmKEF-MDW
13h 07m1 stop
KLM Logo
1:08 pm - 6:20 amMDW-KEF
12h 12m1 stop
$917KLM
Find Deal
Thu, Sep 4 - Sat, Sep 20

Icelandair flights from Reykjavik Keflavik Intl Airport to Illinois

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Illinois flight tickets
Icelandair
Nov 23
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
Nov 30
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
$537
Find similar
Icelandair
Sep 28
KEF7:35 pmReykjavik Keflavik Intl
6h 40m
ORD9:15 pmChicago O'Hare Intl
Oct 4
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$549
Find similar
Icelandair
Oct 2
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
Oct 8
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$550
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
Nov 23
KEF11:30 amReykjavik Keflavik Intl
35h 15m
1 stop
ORD4:45 pmChicago O'Hare Intl
Nov 30
ORD7:20 pmChicago O'Hare Intl
33h 25m
1 stop
KEF10:45 amReykjavik Keflavik Intl
$519
Find similar
Scandinavian Airlines
Dec 1
KEF7:35 amReykjavik Keflavik Intl
15h 10m
1 stop
ORD4:45 pmChicago O'Hare Intl
Dec 4
ORD7:20 pmChicago O'Hare Intl
57h 10m
2 stops
KEF10:30 amReykjavik Keflavik Intl
$617
Find similar
Scandinavian Airlines
Dec 1
KEF7:50 amReykjavik Keflavik Intl
14h 55m
1 stop
ORD4:45 pmChicago O'Hare Intl
Dec 4
ORD7:20 pmChicago O'Hare Intl
57h 10m
2 stops
KEF10:30 amReykjavik Keflavik Intl
$618
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 August 7, 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

Thu 10/2

9:35 am-4:43 pm

1 stop12h 08m

Chicago O'Hare Intl

Wed 10/8

6:30 am-4:55 am

2 stops17h 25m

$512

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 9/19

3:05 pm-11:20 pm

1 stop13h 15m

Chicago O'Hare Intl

Fri 9/26

6:11 pm-4:55 am

1 stop29h 44m

$517

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 11/23

11:30 am-4:45 pm

1 stop35h 15m

Chicago O'Hare Intl

Sun 11/30

7:20 pm-10:45 am

1 stop33h 25m

$519

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 10/2

9:35 am-4:43 pm

1 stop12h 08m

Chicago O'Hare Intl

Wed 10/8

6:30 am-4:55 am

2 stops17h 25m

$527

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 11/23

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sun 11/30

6:30 pm-6:45 am

Nonstop6h 15m

$537

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 9/28

7:35 pm-9:15 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sat 10/4

7:25 pm-6:40 am

Nonstop6h 15m

$549

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 12/1

7:35 am-4:45 pm

1 stop15h 10m

Chicago O'Hare Intl

Thu 12/4

7:20 pm-10:30 am

2 stops57h 10m

$617

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 8/22

9:30 am-2:30 pm

1 stop10h 00m

Lambert-St Louis

Tue 8/26

5:25 pm-6:20 am

1 stop7h 55m

$759

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 8/22

8:50 am-11:24 pm

2 stops19h 34m

Lambert-St Louis

Tue 8/26

11:29 am-6:20 am

2 stops13h 51m

$763

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Thu 9/4

9:30 am-5:37 pm

1 stop13h 07m

Chicago Midway

Sat 9/20

1:08 pm-6:20 am

1 stop12h 12m

$917

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 Monday when prices can be found for as low as $770. Flights from Reykjavik Keflavik Intl Airport to Illinois on a Tuesday will generally be more expensive and average around $1,099. 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 $880.

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 18% 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

$252

Fastest flight time

6h 40m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Reykjavik Keflavik Intl Airport in the past 72 hours is $252. The best round-trip flight deal from Reykjavik Keflavik Intl Airport to Illinois found on momondo in the last 72 hours is $512.
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 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)
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 many operators does momondo search for flights from Reykjavik Keflavik Intl Airport to Illinois?

  • 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?

Best airlines flying from Reykjavik Keflavik Intl Airport to Illinois

Compare and see reviews for airlines that fly from Reykjavik Keflavik Intl Airport to Illinois with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $483Free CancellationRating
7.0
524 reviews
Search Icelandair flights

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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