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Cheap flights from Chicago O'Hare Intl Airport to Reykjavik from $191

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Reykjavik departing on 9/9. 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 Chicago O'Hare Intl Airport to Reykjavik

Cheap round-trip flights

Icelandair Logo
10:15 pm - 9:20 amORD-KEF
6h 05mnonstop
Icelandair Logo
7:35 pm - 9:15 pmKEF-ORD
6h 40mnonstop
$349Icelandair
Find Deal
Mon, Sep 1 - Wed, Sep 10
Icelandair Logo
10:15 pm - 9:20 amORD-KEF
6h 05mnonstop
Icelandair Logo
7:35 pm - 9:15 pmKEF-ORD
6h 40mnonstop
$350Icelandair
Find Deal
Sun, Aug 24 - Thu, Aug 28
Icelandair Logo
7:30 pm - 6:45 amORD-KEF
6h 15mnonstop
Icelandair Logo
4:30 pm - 5:20 pmKEF-ORD
6h 50mnonstop
$371Icelandair
Find Deal
Fri, Oct 31 - Mon, Nov 3
Logo
6:10 am - 4:55 amORD-KEF
17h 45m1 stop
Logo
3:05 pm - 11:10 amKEF-ORD
25h 05m1 stop
$373
Find Deal
Sun, Sep 21 - Sat, Sep 27
Icelandair Logo
7:25 pm - 6:40 amORD-KEF
6h 15mnonstop
Icelandair Logo
7:35 pm - 9:15 pmKEF-ORD
6h 40mnonstop
$375Icelandair
Find Deal
Mon, Oct 6 - Wed, Oct 15
Icelandair Logo
10:15 pm - 9:20 amORD-KEF
6h 05mnonstop
Icelandair Logo
7:35 pm - 9:15 pmKEF-ORD
6h 40mnonstop
$379Icelandair
Find Deal
Sun, Oct 12 - Fri, Oct 17
Icelandair Logo
10:15 pm - 9:20 amORD-KEF
6h 05mnonstop
Icelandair Logo
7:35 pm - 9:15 pmKEF-ORD
6h 40mnonstop
$382Icelandair
Find Deal
Mon, Sep 1 - Wed, Sep 10
Icelandair Logo
10:15 pm - 9:20 amORD-KEF
6h 05mnonstop
Icelandair Logo
4:25 pm - 6:15 pmKEF-ORD
6h 50mnonstop
$383Icelandair
Find Deal
Thu, Sep 18 - Thu, Sep 25
Logo
6:10 am - 4:55 amORD-KEF
17h 45m1 stop
Logo
3:05 pm - 5:39 pmKEF-ORD
31h 34m2 stops
$385
Find Deal
Sun, Sep 21 - Fri, Sep 26
Logo
5:05 am - 4:55 amORD-KEF
18h 50m2 stops
Logo
3:05 pm - 11:10 amKEF-ORD
25h 05m1 stop
$386
Find Deal
Wed, Sep 17 - Sat, Sep 27

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

Our best Icelandair deals on Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Sep 1
ORD10:15 pmChicago O'Hare Intl
6h 05m
KEF9:20 amReykjavik Keflavik Intl
Sep 10
KEF7:35 pmReykjavik Keflavik Intl
6h 40m
ORD9:15 pmChicago O'Hare Intl
$349
Find similar
Icelandair
Aug 24
ORD10:15 pmChicago O'Hare Intl
6h 05m
KEF9:20 amReykjavik Keflavik Intl
Aug 28
KEF7:35 pmReykjavik Keflavik Intl
6h 40m
ORD9:15 pmChicago O'Hare Intl
$350
Find similar
Icelandair
Oct 31
ORD7:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
Nov 3
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
$371
Find similar

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

Our best United Airlines deals on Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Aug 28
ORD8:40 amChicago O'Hare Intl
18h 30m
1 stop
KEF8:10 amReykjavik Keflavik Intl
Sep 3
KEF9:30 amReykjavik Keflavik Intl
30h 05m
2 stops
ORD10:35 amChicago O'Hare Intl
$535
Find similar
United Airlines
Aug 28
ORD8:40 amChicago O'Hare Intl
18h 30m
1 stop
KEF8:10 amReykjavik Keflavik Intl
Sep 1
KEF9:50 amReykjavik Keflavik Intl
33h 47m
2 stops
ORD2:37 pmChicago O'Hare Intl
$541
Find similar
United Airlines
Aug 27
ORD9:31 pmChicago O'Hare Intl
29h 44m
2 stops
KEF8:15 amReykjavik Keflavik Intl
Sep 3
KEF9:30 amReykjavik Keflavik Intl
33h 50m
2 stops
ORD2:20 pmChicago O'Hare Intl
$545
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik 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 August 21, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 9/1

10:15 pm-9:20 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Wed 9/10

7:35 pm-9:15 pm

Nonstop6h 40m

$349

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 8/24

10:15 pm-9:20 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Thu 8/28

7:35 pm-9:15 pm

Nonstop6h 40m

$350

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Fri 10/31

7:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Mon 11/3

4:30 pm-5:20 pm

Nonstop6h 50m

$371

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 9/21

6:10 am-4:55 am

1 stop17h 45m

Reykjavik Keflavik Intl

Sat 9/27

3:05 pm-11:10 am

1 stop25h 05m

$373

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 10/6

7:25 pm-6:40 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Wed 10/15

7:35 pm-9:15 pm

Nonstop6h 40m

$375

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 10/12

10:15 pm-9:20 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Fri 10/17

7:35 pm-9:15 pm

Nonstop6h 40m

$379

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 9/1

10:15 pm-9:20 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Wed 9/10

7:35 pm-9:15 pm

Nonstop6h 40m

$382

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 9/18

10:15 pm-9:20 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Thu 9/25

4:25 pm-6:15 pm

Nonstop6h 50m

$383

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 9/21

6:10 am-4:55 am

1 stop17h 45m

Reykjavik Keflavik Intl

Fri 9/26

3:05 pm-5:39 pm

2 stops31h 34m

$385

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 9/17

5:05 am-4:55 am

2 stops18h 50m

Reykjavik Keflavik Intl

Sat 9/27

3:05 pm-11:10 am

1 stop25h 05m

$386

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 Reykjavik from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Reykjavik Keflavik 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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Reykjavik Keflavik Intl Airport?

What is the cheapest month to fly to Reykjavik Keflavik Intl Airport?

The month of January is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from Chicago O'Hare Intl Airport, with most prices found around $597. If you’re not able to fly to Reykjavik Keflavik Intl Airport in January, then April is your next best option. Flight prices from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport during April average around $597.

What is the cheapest day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest day to depart from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport is on a Thursday when prices can be found for as low as $559. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Saturday, with ticket prices averaging around $642.

What is the cheapest time of day to depart on your flight to Reykjavik Keflavik Intl Airport?

The cheapest time of day to fly to Reykjavik Keflavik Intl Airport is in the afternoon when flights can be purchased for as low as $525. Flights in the evening are often more expensive with an average ticket price of $639.

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

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

How far in advance should I book a flight to Reykjavik Keflavik Intl Airport?

You are more likely to see cheaper flights to Reykjavik Keflavik Intl Airport from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $653 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Reykjavik Keflavik Intl Airport from Chicago O'Hare Intl Airport for as low as $594 on momondo.

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

There are 3 cabin classes available to choose from on Chicago O'Hare Intl to Reykjavik Keflavik Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport flight prices changed over time?

As of August 2025, prices for Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport flights are approximately 9% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$298

Fastest flight time

5h 15m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from Chicago O'Hare Intl Airport in the past 72 hours is $298. The best round-trip flight deal from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $483.
The fastest flight from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport takes 5h 15m
Direct flights go from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport every day.
Search flight deals

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

    There are 2934.0 mi between Chicago O'Hare Intl and Reykjavik Keflavik Intl. A reasonable flight in good conditions will take 6h 05m.

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

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

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

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

  • What documentation or ID do you need to fly to Reykjavik Keflavik Intl Airport?

    The required travel and health documents for your Reykjavik Keflavik 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 Reykjavik Keflavik 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 Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport?

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $427Free CancellationRating
7.0
529 reviews
Search Icelandair flights
United AirlinesPriceFrom $612Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights

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

    United Airlines is one of the most popular airlines flying from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport, operating 7 flights/week on average for this route. A good United Airlines flight deal for Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport starts from $612 round-trip, up to an average price of $720. Our users have rated United Airlines at 7.4/10.

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

    $427 is the best Icelandair flight deal from Chicago O'Hare Intl Airport to Reykjavik Keflavik Intl Airport found on momondo over the last 72 hours. The average Icelandair ticket price found was closer to $656, however, with flight time and availability significantly affecting the price. Icelandair (7.0/10 from 529 user reviews) flies into Reykjavik Keflavik Intl Airport from Chicago O'Hare Intl Airport 12 times in an average week so prices can vary.

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Hveragerdi
Selfoss
Hella
Borgarnes
Kopavogur
Grindavik

Why use momondo?

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

It is quick and easy to find Chicago to Reykjavik 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 Reykjavik that suits you.

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

Yes. momondo allows you to filter the results for Chicago to Reykjavik flights to just show those with flexible booking policies.

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

Once all potential Chicago to Reykjavik 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 Chicago to Reykjavik right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Reykjavik flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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