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Cheap flights from Reykjavik Keflavik Intl Airport to Chicago from $458

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 12/22. 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
4:25 pm - 6:15 pmKEF-ORD
6h 50mnonstop
Icelandair Logo
7:25 pm - 6:40 amORD-KEF
6h 15mnonstop
$555Icelandair
Find Deal
Thu, Apr 23 - Sat, May 2
Icelandair Logo
8:00 pm - 9:40 pmKEF-ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 amORD-KEF
6h 15mnonstop
$565Icelandair
Find Deal
Fri, Apr 3 - Sun, Apr 5
Icelandair Logo
8:00 pm - 9:40 pmKEF-ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 amORD-KEF
6h 15mnonstop
$567Icelandair
Find Deal
Fri, Apr 3 - Sun, Apr 5
Icelandair Logo
8:00 pm - 9:40 pmKEF-ORD
6h 40mnonstop
Icelandair Logo
7:25 pm - 6:40 amORD-KEF
6h 15mnonstop
$570Icelandair
Find Deal
Fri, Apr 3 - Sun, Apr 5
Icelandair Logo
4:30 pm - 5:20 pmKEF-ORD
6h 50mnonstop
Icelandair Logo
6:30 pm - 6:45 amORD-KEF
6h 15mnonstop
$583Icelandair
Find Deal
Wed, Dec 17 - Sun, Jan 4
Scandinavian Airlines Logo
11:05 am - 4:10 pmKEF-ORD
34h 05m2 stops
Scandinavian Airlines Logo
7:00 am - 9:40 amORD-KEF
21h 40m2 stops
$690Scandinavian Airlines
Find Deal
Thu, Apr 23 - Sat, May 2
Scandinavian Airlines Logo
10:30 am - 4:10 pmKEF-ORD
34h 40m1 stop
Scandinavian Airlines Logo
7:15 pm - 12:35 amORD-KEF
24h 20m1 stop
$701Scandinavian Airlines
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Thu, Apr 23 - Sat, May 2
Multiple Airlines Logo
4:45 pm - 10:44 amKEF-ORD
23h 59m1 stop
Multiple Airlines Logo
6:30 pm - 6:45 amORD-KEF
6h 15mnonstop
$741Multiple Airlines
Find Deal
Wed, Dec 17 - Mon, Jan 5
Multiple Airlines Logo
4:45 pm - 6:38 pmKEF-ORD
31h 53m1 stop
Multiple Airlines Logo
6:30 pm - 6:45 amORD-KEF
6h 15mnonstop
$745Multiple Airlines
Find Deal
Sun, Dec 28 - Sat, Jan 3
Lufthansa Logo
12:25 am - 2:50 pmKEF-ORD
19h 25m1 stop
Lufthansa Logo
10:30 pm - 11:30 pmORD-KEF
20h 00m1 stop
$769Lufthansa
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Wed, Apr 22 - Sat, May 2

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
Apr 23
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
May 2
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$555
Find similar
Icelandair
Apr 3
KEF8:00 pmReykjavik Keflavik Intl
6h 40m
ORD9:40 pmChicago O'Hare Intl
Apr 5
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$565
Find similar
Icelandair
Apr 3
KEF8:00 pmReykjavik Keflavik Intl
6h 40m
ORD9:40 pmChicago O'Hare Intl
Apr 5
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
$567
Find similar

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

Our best Scandinavian Airlines deals on Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport flight tickets
Scandinavian Airlines
Apr 23
KEF11:05 amReykjavik Keflavik Intl
34h 05m
2 stops
ORD4:10 pmChicago O'Hare Intl
May 2
ORD7:00 amChicago O'Hare Intl
21h 40m
2 stops
KEF9:40 amReykjavik Keflavik Intl
$690
Find similar
Scandinavian Airlines
Apr 23
KEF10:30 amReykjavik Keflavik Intl
34h 40m
1 stop
ORD4:10 pmChicago O'Hare Intl
May 2
ORD7:15 pmChicago O'Hare Intl
24h 20m
1 stop
KEF12:35 amReykjavik Keflavik Intl
$701
Find similar
Scandinavian Airlines
Apr 23
KEF10:30 amReykjavik Keflavik Intl
34h 40m
1 stop
ORD4:10 pmChicago O'Hare Intl
May 2
ORD7:15 pmChicago O'Hare Intl
34h 00m
2 stops
KEF10:15 amReykjavik Keflavik Intl
$703
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 November 6, 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

Thu 4/23

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sat 5/2

7:25 pm-6:40 am

Nonstop6h 15m

$555

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 4/3

8:00 pm-9:40 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sun 4/5

7:25 pm-6:40 am

Nonstop6h 15m

$565

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 4/3

8:00 pm-9:40 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sun 4/5

7:25 pm-6:40 am

Nonstop6h 15m

$567

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Fri 4/3

8:00 pm-9:40 pm

Nonstop6h 40m

Chicago O'Hare Intl

Sun 4/5

7:25 pm-6:40 am

Nonstop6h 15m

$570

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 12/17

4:30 pm-5:20 pm

Nonstop6h 50m

Chicago O'Hare Intl

Sun 1/4

6:30 pm-6:45 am

Nonstop6h 15m

$583

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 4/23

11:05 am-4:10 pm

2 stops34h 05m

Chicago O'Hare Intl

Sat 5/2

7:00 am-9:40 am

2 stops21h 40m

$690

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 4/23

10:30 am-4:10 pm

1 stop34h 40m

Chicago O'Hare Intl

Sat 5/2

7:15 pm-12:35 am

1 stop24h 20m

$701

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 12/17

4:45 pm-10:44 am

1 stop23h 59m

Chicago O'Hare Intl

Mon 1/5

6:30 pm-6:45 am

Nonstop6h 15m

$741

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Sun 12/28

4:45 pm-6:38 pm

1 stop31h 53m

Chicago O'Hare Intl

Sat 1/3

6:30 pm-6:45 am

Nonstop6h 15m

$745

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Wed 4/22

12:25 am-2:50 pm

1 stop19h 25m

Chicago O'Hare Intl

Sat 5/2

10:30 pm-11:30 pm

1 stop20h 00m

$769

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 24% 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 40m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun
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 on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Icelandair.
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  • 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 many operators does momondo search for flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport?

  • 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?

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

Best airlines flying from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $483Free CancellationRating
7.1
572 reviews
Search Icelandair flights

  • Icelandair Flights From Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport

    Across 4 Icelandair flights from Reykjavik Keflavik Intl Airport to Chicago O'Hare Intl Airport this week, the average price was $591, with the best Icelandair deals starting from $483 round-trip. 572 users have rated Icelandair on momondo, with an average score of 7.1/10.

Traveling to a place near Chicago?

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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.

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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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