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Cheap flights from Reykjavik Keflavik Intl Airport to Chicago from $354

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 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 Chicago

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
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$545Icelandair
Sun, Aug 9 - Sat, Aug 15
Icelandair Logo
7:45 pm - 9:25 pm
KEF
-
ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$556Icelandair
Mon, Jul 27 - Wed, Aug 5
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
$575Icelandair
Mon, Aug 3 - Wed, Aug 12
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$586Icelandair
Fri, Jul 10 - Sat, Aug 8
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$603Icelandair
Sun, Aug 9 - Sat, Aug 15
Icelandair Logo
7:45 pm - 9:25 pm
KEF
-
ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$604Icelandair
Sun, Aug 2 - Sat, Aug 8
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$605Icelandair
Sun, Aug 9 - Sat, Aug 15
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
$614Icelandair
Thu, Sep 10 - Wed, Sep 16
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$619Icelandair
Mon, Jul 13 - Mon, Jul 20
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
$624Icelandair
Mon, Jul 20 - Wed, Jul 29

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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
Aug 9
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
Aug 15
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$545
Icelandair
Jul 27
KEF7:45 pmReykjavik Keflavik Intl
6h 40m
ORD9:25 pmChicago O'Hare Intl
Aug 5
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$556
Icelandair
Aug 3
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
Aug 12
ORD10:25 pmChicago O'Hare Intl
6h 05m
KEF9:30 amReykjavik Keflavik Intl
$575

Air Canada flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

Our best Air Canada deals on Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport flight tickets
Air Canada
Aug 9
KEF10:00 amReykjavik Keflavik Intl
9h 55m
1 stop
ORD2:55 pmChicago O'Hare Intl
Aug 15
ORD1:55 pmChicago O'Hare Intl
37h 00m
2 stops
KEF7:55 amReykjavik Keflavik Intl
$826
Air Canada
Aug 3
KEF9:15 amReykjavik Keflavik Intl
16h 14m
2 stops
ORD8:29 pmChicago O'Hare Intl
Aug 12
ORD2:00 pmChicago O'Hare Intl
12h 55m
2 stops
KEF7:55 amReykjavik Keflavik Intl
$835

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 June 17, 2026.
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

Cheapest round-trip

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 8/9

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sat 8/15

7:25 pm-6:40 am

Nonstop6h 15m

$545
Quickest round-trip

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 7/27

7:45 pm-9:25 pm

Nonstop6h 40m

Chicago O'Hare Intl

Wed 8/5

7:25 pm-6:40 am

Nonstop6h 15m

$556

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 8/3

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 8/12

10:25 pm-9:30 am

Nonstop6h 05m

$575

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 7/10

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sat 8/8

7:25 pm-6:40 am

Nonstop6h 15m

$586

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 8/9

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sat 8/15

7:25 pm-6:40 am

Nonstop6h 15m

$603

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 8/2

7:45 pm-9:25 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sat 8/8

7:25 pm-6:40 am

Nonstop6h 15m

$604

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 8/9

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sat 8/15

7:25 pm-6:40 am

Nonstop6h 15m

$605

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 9/10

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 9/16

10:25 pm-9:30 am

Nonstop6h 05m

$614

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 7/13

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Mon 7/20

7:25 pm-6:40 am

Nonstop6h 15m

$619

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 7/20

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 7/29

10:25 pm-9:30 am

Nonstop6h 05m

$624

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, Friday 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 $1,450.

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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $592 when looking at flights departing in the afternoon. Try not to purchase tickets in the morning because they tend to be around $1,098. 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 Airport to Chicago O'Hare Intl Airport flights?

There are 3 cabin classes available to choose from on Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport 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 14% 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

Best Price Found

$536

Fastest flight time

6h 40m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from Reykjavik Keflavik Intl Airport in the past 72 hours is $536. The best round-trip flight deal from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $891.
The fastest flight from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport takes 6h 40m
Direct flights go from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

  • 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 40m.

  • 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
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New Buffalo
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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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