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Cheap flights from Reykjavik Keflavik Intl Airport to Chicago from $394

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 Chicago departing on 1/21. 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 Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 am
ORD
-
KEF
6h 15mnonstop
$443Icelandair
Tue, Feb 3 - Tue, Feb 10
Icelandair Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 am
ORD
-
KEF
6h 15mnonstop
$446Icelandair
Thu, Jan 22 - Wed, Jan 28
Icelandair Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 am
ORD
-
KEF
6h 15mnonstop
$447Icelandair
Thu, Jan 22 - Wed, Jan 28
Icelandair Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 am
ORD
-
KEF
6h 15mnonstop
$448Icelandair
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:00 pm - 10:42 pm
KEF
-
ORD
11h 42m1 stop
Multiple Airlines Logo
7:20 am - 6:15 am
ORD
-
KEF
16h 55m2 stops
$578Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:00 pm - 10:42 pm
KEF
-
ORD
11h 42m1 stop
Multiple Airlines Logo
5:15 am - 6:15 am
ORD
-
KEF
19h 00m2 stops
$579Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:15 pm - 8:18 am
KEF
-
ORD
21h 03m1 stop
Multiple Airlines Logo
9:23 am - 5:55 am
ORD
-
KEF
14h 32m1 stop
$588Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:15 pm - 8:18 am
KEF
-
ORD
21h 03m1 stop
Multiple Airlines Logo
9:23 am - 5:55 am
ORD
-
KEF
14h 32m1 stop
$589Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
5:15 pm - 8:18 am
KEF
-
ORD
21h 03m1 stop
Multiple Airlines Logo
9:23 am - 5:55 am
ORD
-
KEF
14h 32m1 stop
$594Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
Multiple Airlines Logo
9:40 am - 6:10 am
ORD
-
KEF
14h 30m1 stop
$604Multiple Airlines
Thu, Jan 22 - Wed, Jan 28

American Airlines flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

Our best American Airlines deals on Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport flight tickets
American Airlines
Jan 22
KEF11:45 amReykjavik Keflavik Intl
33h 40m
1 stop
ORD3:25 pmChicago O'Hare Intl
Jan 28
ORD8:50 pmChicago O'Hare Intl
38h 25m
2 stops
KEF5:15 pmReykjavik Keflavik Intl
$1,013
Find similar
American Airlines
Jan 22
KEF11:45 amReykjavik Keflavik Intl
25h 30m
2 stops
ORD7:15 amChicago O'Hare Intl
Jan 28
ORD8:50 pmChicago O'Hare Intl
38h 25m
2 stops
KEF5:15 pmReykjavik Keflavik Intl
$1,019
Find similar
American Airlines
Jan 22
KEF11:45 amReykjavik Keflavik Intl
35h 15m
1 stop
ORD5:00 pmChicago O'Hare Intl
Jan 28
ORD8:18 pmChicago O'Hare Intl
32h 37m
2 stops
KEF10:55 amReykjavik Keflavik Intl
$1,026
Find similar

Icelandair flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport flight tickets
Icelandair
Jan 22
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
Jan 28
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
$446
Find similar
Icelandair
Jan 22
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
Jan 28
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
$447
Find similar
Icelandair
Jan 22
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
Jan 28
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
$448
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport 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 December 23, 2025.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Tue 2/3

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Tue 2/10

6:30 pm-6:45 am

Nonstop6h 15m

$443

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 1/28

6:30 pm-6:45 am

Nonstop6h 15m

$446

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 1/28

6:30 pm-6:45 am

Nonstop6h 15m

$447

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 1/28

6:30 pm-6:45 am

Nonstop6h 15m

$448

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:00 pm-10:42 pm

1 stop11h 42m

Chicago O'Hare Intl

Wed 1/28

7:20 am-6:15 am

2 stops16h 55m

$578

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:00 pm-10:42 pm

1 stop11h 42m

Chicago O'Hare Intl

Wed 1/28

5:15 am-6:15 am

2 stops19h 00m

$579

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:15 pm-8:18 am

1 stop21h 03m

Chicago O'Hare Intl

Wed 1/28

9:23 am-5:55 am

1 stop14h 32m

$588

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:15 pm-8:18 am

1 stop21h 03m

Chicago O'Hare Intl

Wed 1/28

9:23 am-5:55 am

1 stop14h 32m

$589

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

5:15 pm-8:18 am

1 stop21h 03m

Chicago O'Hare Intl

Wed 1/28

9:23 am-5:55 am

1 stop14h 32m

$594

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 1/22

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 1/28

9:40 am-6:10 am

1 stop14h 30m

$604

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 Chicago from

How to get the cheapest flight ticket from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $592. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Reykjavik Keflavik Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,910.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Reykjavik Keflavik Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $548 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $878. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Reykjavik Keflavik Intl to Chicago O'Hare Intl flight route?

Fly from Reykjavik Keflavik Intl to Chicago O'Hare Intl for the best Reykjavik Keflavik Intl - Chicago O'Hare Intl flight prices

What cabin class options are available on Reykjavik Keflavik Intl to Chicago O'Hare Intl flights?

There are 3 cabin classes available to choose from on Reykjavik Keflavik Intl to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport flights?

You could potentially save up to 20% on your flight if you consider stops on a Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport flight.

When to book flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport (KEF to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

Fastest flight time

6h 50m

Direct flights

Every day
The fastest flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport takes 6h 50m
Direct flights go from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport every day.
Search flight deals

  • How far is Reykjavik Keflavik Intl to Chicago O'Hare Intl by plane?

    The straight-line distance from Reykjavik Keflavik Intl to Chicago O'Hare Intl is 2934.0 mi. In terms of flight time, this usually takes a little over 6h 50m.

  • When did momondo last update prices for flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport refresh daily.

  • How old do you have to be to fly from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport?

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Aurora
Elgin
Benton Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Reykjavik to Chicago?

It is quick and easy to find Reykjavik to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

Can I find flights from Reykjavik to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from Reykjavik on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Reykjavik to Chicago?

Once all potential Reykjavik to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Reykjavik to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Reykjavik to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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