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Cheap flights from Reykjavik Keflavik Intl Airport to Illinois from $399

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 5/19. 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

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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
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
$571Icelandair
do, mei. 28 - wo, jun. 3
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
$602Icelandair
ma, mei. 18 - wo, mei. 27
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
$604Icelandair
do, mei. 28 - wo, jun. 3
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
$606Icelandair
do, mei. 28 - wo, jun. 3
Virgin Atlantic Logo
8:45 am - 6:33 pm
KEF
-
MDW
14h 48m
1 stop
Virgin Atlantic Logo
1:22 pm - 9:30 am
MDW
-
KEF
15h 08m
2 stops
$839Virgin Atlantic
do, mei. 28 - wo, jun. 3
Virgin Atlantic Logo
8:45 am - 6:33 pm
KEF
-
MDW
14h 48m
1 stop
Virgin Atlantic Logo
1:22 pm - 7:00 am
MDW
-
KEF
12h 38m
1 stop
$847Virgin Atlantic
ma, mei. 18 - wo, mei. 27
Multiple Airlines Logo
5:00 pm - 10:20 pm
KEF
-
MDW
10h 20m
1 stop
Multiple Airlines Logo
1:00 pm - 6:25 am
MDW
-
KEF
12h 25m
1 stop
$874Multiple Airlines
ma, mei. 18 - wo, mei. 27
United Airlines Logo
12:00 pm - 9:13 pm
KEF
-
STL
14h 13m
1 stop
United Airlines Logo
8:35 am - 8:50 am
STL
-
KEF
19h 15m
2 stops
$876United Airlines
di, mei. 19 - di, mei. 26
Multiple Airlines Logo
10:45 am - 8:25 pm
KEF
-
MDW
14h 40m
2 stops
Multiple Airlines Logo
1:00 pm - 6:25 am
MDW
-
KEF
12h 25m
1 stop
$877Multiple Airlines
do, mei. 28 - wo, jun. 3
KLM Logo
9:30 am - 5:56 pm
KEF
-
MDW
13h 26m
1 stop
KLM Logo
1:22 pm - 7:00 am
MDW
-
KEF
12h 38m
1 stop
$898KLM
di, mei. 19 - di, mei. 26

Icelandair flights from Reykjavik Keflavik Intl Airport to Illinois

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Illinois flight tickets
Icelandair
May 28
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
Jun 3
ORD10:25 pmChicago O'Hare Intl
6h 05m
KEF9:30 amReykjavik Keflavik Intl
$571
Icelandair
May 18
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
May 27
ORD10:25 pmChicago O'Hare Intl
6h 05m
KEF9:30 amReykjavik Keflavik Intl
$602
Icelandair
May 28
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
Jun 3
ORD10:25 pmChicago O'Hare Intl
6h 05m
KEF9:30 amReykjavik Keflavik Intl
$604

Delta flights from Reykjavik Keflavik Intl Airport to Illinois

Our best Delta deals on Reykjavik Keflavik Intl Airport to Illinois flight tickets
Delta
May 18
KEF9:30 amReykjavik Keflavik Intl
13h 26m
1 stop
MDW5:56 pmChicago Midway
May 27
MDW1:22 pmChicago Midway
15h 08m
2 stops
KEF9:30 amReykjavik Keflavik Intl
$899
Delta
Apr 20
KEF11:25 amReykjavik Keflavik Intl
15h 32m
1 stop
ORD9:57 pmChicago O'Hare Intl
Apr 27
ORD6:21 pmChicago O'Hare Intl
10h 09m
1 stop
KEF9:30 amReykjavik Keflavik Intl
$971
Delta
Apr 27
KEF11:25 amReykjavik Keflavik Intl
16h 03m
2 stops
MDW10:28 pmChicago Midway
May 3
MDW1:24 pmChicago Midway
15h 06m
2 stops
KEF9:30 amReykjavik Keflavik Intl
$1,023

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 april 6, 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

do 5/28

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

wo 6/3

10:25 pm-9:30 am

Nonstop6h 05m

$571

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

ma 5/18

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

wo 5/27

10:25 pm-9:30 am

Nonstop6h 05m

$602

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

do 5/28

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

wo 6/3

10:25 pm-9:30 am

Nonstop6h 05m

$604

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

do 5/28

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

wo 6/3

10:25 pm-9:30 am

Nonstop6h 05m

$606

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

do 5/28

8:45 am-6:33 pm

1 stop14h 48m

Chicago Midway

wo 6/3

1:22 pm-9:30 am

2 stops15h 08m

$839

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

ma 5/18

8:45 am-6:33 pm

1 stop14h 48m

Chicago Midway

wo 5/27

1:22 pm-7:00 am

1 stop12h 38m

$847

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

ma 5/18

5:00 pm-10:20 pm

1 stop10h 20m

Chicago Midway

wo 5/27

1:00 pm-6:25 am

1 stop12h 25m

$874

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

di 5/19

12:00 pm-9:13 pm

1 stop14h 13m

Lambert-St Louis

di 5/26

8:35 am-8:50 am

2 stops19h 15m

$876

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

do 5/28

10:45 am-8:25 pm

2 stops14h 40m

Chicago Midway

wo 6/3

1:00 pm-6:25 am

1 stop12h 25m

$877

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

di 5/19

9:30 am-5:56 pm

1 stop13h 26m

Chicago Midway

di 5/26

1:22 pm-7:00 am

1 stop12h 38m

$898

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 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 $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 26% 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

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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