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Cheap flights from Reykjavik Keflavik Intl Airport to Illinois from $308

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 10/24. 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

Icelandair Logo
4:30 pm - 5:20 pmKEF-ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 amORD-KEF
6h 15mnonstop
$553Icelandair
Find Deal
Thu, Dec 18 - Sat, Jan 3
Icelandair Logo
4:30 pm - 5:20 pmKEF-ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 amORD-KEF
6h 15mnonstop
$568Icelandair
Find Deal
Sat, Nov 8 - Fri, Nov 14
Scandinavian Airlines Logo
11:25 am - 4:45 pmKEF-ORD
35h 20m1 stop
Scandinavian Airlines Logo
7:20 pm - 10:30 amORD-KEF
33h 10m2 stops
$609Scandinavian Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 14
Scandinavian Airlines Logo
11:25 am - 4:45 pmKEF-ORD
35h 20m1 stop
Scandinavian Airlines Logo
7:20 pm - 10:30 amORD-KEF
33h 10m2 stops
$626Scandinavian Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 14
Multiple Airlines Logo
12:45 am - 4:45 pmKEF-ORD
22h 00m2 stops
Multiple Airlines Logo
7:20 pm - 12:05 amORD-KEF
22h 45m2 stops
$737Multiple Airlines
Find Deal
Wed, Nov 5 - Thu, Nov 13
Multiple Airlines Logo
4:30 pm - 5:20 pmKEF-ORD
6h 50mnonstop
Multiple Airlines Logo
2:05 pm - 6:10 amORD-KEF
10h 05m1 stop
$747Multiple Airlines
Find Deal
Thu, Nov 20 - Tue, Jan 6
Delta Logo
8:45 am - 6:25 pmKEF-MDW
14h 40m1 stop
Delta Logo
9:35 am - 6:20 amMDW-KEF
15h 45m1 stop
$802Delta
Find Deal
Mon, Oct 13 - Sun, Oct 19
Delta Logo
8:45 am - 10:14 pmKEF-MDW
18h 29m2 stops
Delta Logo
1:08 pm - 6:20 amMDW-KEF
12h 12m1 stop
$811Delta
Find Deal
Mon, Oct 13 - Sun, Oct 19
American Airlines Logo
6:10 pm - 9:44 pmKEF-STL
33h 34m2 stops
American Airlines Logo
6:32 pm - 10:55 amSTL-KEF
58h 23m2 stops
$964American Airlines
Find Deal
Fri, Feb 13 - Tue, Feb 17
American Airlines Logo
6:10 pm - 9:44 pmKEF-STL
33h 34m2 stops
American Airlines Logo
6:32 pm - 10:55 amSTL-KEF
58h 23m2 stops
$969American Airlines
Find Deal
Fri, Feb 13 - Tue, Feb 17

Icelandair flights from Reykjavik Keflavik Intl Airport to Illinois

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Illinois flight tickets
Icelandair
Dec 18
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
Jan 3
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
$553
Find similar
Icelandair
Nov 8
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
Nov 14
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
$568
Find similar
Icelandair
Nov 8
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
Nov 15
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
$571
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 8
KEF11:25 amReykjavik Keflavik Intl
35h 20m
1 stop
ORD4:45 pmChicago O'Hare Intl
Nov 14
ORD7:20 pmChicago O'Hare Intl
33h 10m
2 stops
KEF10:30 amReykjavik Keflavik Intl
$609
Find similar
Scandinavian Airlines
Nov 8
KEF11:25 amReykjavik Keflavik Intl
35h 20m
1 stop
ORD4:45 pmChicago O'Hare Intl
Nov 14
ORD7:20 pmChicago O'Hare Intl
33h 10m
2 stops
KEF10:30 amReykjavik Keflavik Intl
$626
Find similar
Scandinavian Airlines
Nov 8
KEF11:25 amReykjavik Keflavik Intl
35h 20m
1 stop
ORD4:45 pmChicago O'Hare Intl
Nov 14
ORD7:20 pmChicago O'Hare Intl
33h 25m
1 stop
KEF10:45 amReykjavik Keflavik Intl
$627
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 September 24, 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 12/18

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sat 1/3

6:30 pm-6:45 am

Nonstop6h 15m

$553

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 11/8

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Fri 11/14

6:30 pm-6:45 am

Nonstop6h 15m

$568

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 11/8

11:25 am-4:45 pm

1 stop35h 20m

Chicago O'Hare Intl

Fri 11/14

7:20 pm-10:30 am

2 stops33h 10m

$609

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sat 11/8

11:25 am-4:45 pm

1 stop35h 20m

Chicago O'Hare Intl

Fri 11/14

7:20 pm-10:30 am

2 stops33h 10m

$626

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 11/5

12:45 am-4:45 pm

2 stops22h 00m

Chicago O'Hare Intl

Thu 11/13

7:20 pm-12:05 am

2 stops22h 45m

$737

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 11/20

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Tue 1/6

2:05 pm-6:10 am

1 stop10h 05m

$747

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Mon 10/13

8:45 am-6:25 pm

1 stop14h 40m

Chicago Midway

Sun 10/19

9:35 am-6:20 am

1 stop15h 45m

$802

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Mon 10/13

8:45 am-10:14 pm

2 stops18h 29m

Chicago Midway

Sun 10/19

1:08 pm-6:20 am

1 stop12h 12m

$811

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 2/13

6:10 pm-9:44 pm

2 stops33h 34m

Lambert-St Louis

Tue 2/17

6:32 pm-10:55 am

2 stops58h 23m

$964

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 2/13

6:10 pm-9:44 pm

2 stops33h 34m

Lambert-St Louis

Tue 2/17

6:32 pm-10:55 am

2 stops58h 23m

$969

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 $1,099. 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 $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 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 40m

Direct flights

Every day

Airports in Illinois

1 airport
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 is 1 airport near Illinois: 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 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
545 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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