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Cheap flights from Chicago to Reykjavik from $225

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 to Reykjavik departing on 9/25. 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 to Reykjavik

Cheap round-trip flights

Icelandair Logo
6:30 pm - 6:45 amORD-KEF
6h 15mnonstop
Icelandair Logo
4:30 pm - 5:20 pmKEF-ORD
6h 50mnonstop
$389Icelandair
Find Deal
Tue, Nov 11 - Wed, Nov 19
Logo
6:10 am - 4:55 amORD-KEF
17h 45m1 stop
Logo
3:05 pm - 11:10 amKEF-ORD
25h 05m1 stop
$406
Find Deal
Thu, Sep 18 - Wed, Oct 1
United Airlines Logo
10:35 am - 7:00 amORD-KEF
15h 25m1 stop
United Airlines Logo
12:00 pm - 1:55 pmKEF-ORD
6h 55mnonstop
$514United Airlines
Find Deal
Sun, Aug 31 - Mon, Sep 8
United Airlines Logo
4:50 pm - 7:00 amORD-KEF
9h 10m1 stop
United Airlines Logo
11:00 am - 6:29 pmKEF-ORD
12h 29m1 stop
$516United Airlines
Find Deal
Sun, Aug 31 - Mon, Sep 8
Delta Logo
9:29 am - 6:20 amMDW-KEF
15h 51m1 stop
Delta Logo
8:45 am - 6:25 pmKEF-MDW
14h 40m1 stop
$549Delta
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Sun, Sep 21 - Mon, Oct 6
KLM Logo
1:08 pm - 6:20 amMDW-KEF
12h 12m1 stop
KLM Logo
9:30 am - 5:37 pmKEF-MDW
13h 07m1 stop
$550KLM
Find Deal
Sun, Aug 31 - Mon, Sep 8
KLM Logo
9:29 am - 6:20 amMDW-KEF
15h 51m1 stop
KLM Logo
8:45 am - 6:35 pmKEF-MDW
14h 50m1 stop
$552KLM
Find Deal
Sun, Sep 21 - Mon, Sep 29
Delta Logo
12:15 pm - 7:00 amMDW-KEF
13h 45m1 stop
Delta Logo
11:25 am - 9:26 pmKEF-MDW
15h 01m2 stops
$566Delta
Find Deal
Sun, Aug 31 - Mon, Sep 8
Air France Logo
1:08 pm - 6:20 amMDW-KEF
12h 12m1 stop
Air France Logo
9:30 am - 6:37 pmKEF-MDW
14h 07m2 stops
$750Air France
Find Deal
Tue, Aug 19 - Thu, Aug 28
Air France Logo
1:43 pm - 7:00 amMDW-KEF
12h 17m1 stop
Air France Logo
9:30 am - 5:37 pmKEF-MDW
13h 07m1 stop
$827Air France
Find Deal
Thu, Aug 21 - Wed, Aug 27

KLM flights from Chicago to Reykjavik Keflavik Intl Airport

Our best KLM deals on Chicago to Reykjavik Keflavik Intl Airport flight tickets
KLM
Aug 31
MDW1:08 pmChicago Midway
12h 12m
1 stop
KEF6:20 amReykjavik Keflavik Intl
Sep 8
KEF9:30 amReykjavik Keflavik Intl
13h 07m
1 stop
MDW5:37 pmChicago Midway
$550
Find similar
KLM
Sep 21
MDW9:29 amChicago Midway
15h 51m
1 stop
KEF6:20 amReykjavik Keflavik Intl
Sep 29
KEF8:45 amReykjavik Keflavik Intl
14h 50m
1 stop
MDW6:35 pmChicago Midway
$552
Find similar
KLM
Sep 2
MDW1:08 pmChicago Midway
12h 12m
1 stop
KEF6:20 amReykjavik Keflavik Intl
Sep 12
KEF8:45 amReykjavik Keflavik Intl
14h 50m
1 stop
MDW6:35 pmChicago Midway
$638
Find similar

United Airlines flights from Chicago to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on Chicago to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Aug 31
ORD10:35 amChicago O'Hare Intl
15h 25m
1 stop
KEF7:00 amReykjavik Keflavik Intl
Sep 8
KEF12:00 pmReykjavik Keflavik Intl
6h 55m
ORD1:55 pmChicago O'Hare Intl
$514
Find similar
United Airlines
Aug 31
ORD4:50 pmChicago O'Hare Intl
9h 10m
1 stop
KEF7:00 amReykjavik Keflavik Intl
Sep 8
KEF11:00 amReykjavik Keflavik Intl
12h 29m
1 stop
ORD6:29 pmChicago O'Hare Intl
$516
Find similar
United Airlines
Aug 31
ORD9:10 pmChicago O'Hare Intl
6h 20m
KEF8:30 amReykjavik Keflavik Intl
Sep 8
KEF12:00 pmReykjavik Keflavik Intl
6h 55m
ORD1:55 pmChicago O'Hare Intl
$517
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 2, 2025.
Use the filters below to find and compare flights from Chicago 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

Tue 11/11

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Wed 11/19

4:30 pm-5:20 pm

Nonstop6h 50m

$389

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 9/18

6:10 am-4:55 am

1 stop17h 45m

Reykjavik Keflavik Intl

Wed 10/1

3:05 pm-11:10 am

1 stop25h 05m

$406

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 8/31

10:35 am-7:00 am

1 stop15h 25m

Reykjavik Keflavik Intl

Mon 9/8

12:00 pm-1:55 pm

Nonstop6h 55m

$514

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 8/31

4:50 pm-7:00 am

1 stop9h 10m

Reykjavik Keflavik Intl

Mon 9/8

11:00 am-6:29 pm

1 stop12h 29m

$516

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Sun 9/21

9:29 am-6:20 am

1 stop15h 51m

Reykjavik Keflavik Intl

Mon 10/6

8:45 am-6:25 pm

1 stop14h 40m

$549

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Sun 8/31

1:08 pm-6:20 am

1 stop12h 12m

Reykjavik Keflavik Intl

Mon 9/8

9:30 am-5:37 pm

1 stop13h 07m

$550

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Sun 9/21

9:29 am-6:20 am

1 stop15h 51m

Reykjavik Keflavik Intl

Mon 9/29

8:45 am-6:35 pm

1 stop14h 50m

$552

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Sun 8/31

12:15 pm-7:00 am

1 stop13h 45m

Reykjavik Keflavik Intl

Mon 9/8

11:25 am-9:26 pm

2 stops15h 01m

$566

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Tue 8/19

1:08 pm-6:20 am

1 stop12h 12m

Reykjavik Keflavik Intl

Thu 8/28

9:30 am-6:37 pm

2 stops14h 07m

$750

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Thu 8/21

1:43 pm-7:00 am

1 stop12h 17m

Reykjavik Keflavik Intl

Wed 8/27

9:30 am-5:37 pm

1 stop13h 07m

$827

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 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 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, with most prices found around $601. 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 to Reykjavik Keflavik Intl Airport during April average around $609.

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

The cheapest day to depart from Chicago to Reykjavik Keflavik Intl Airport is on a Thursday when prices can be found for as low as $558. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Saturday, with ticket prices averaging around $640.

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 $518. Flights in the evening are often more expensive with an average ticket price of $640.

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

Fly from Chicago O'Hare Intl to Reykjavik Keflavik Intl for the best Chicago - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $652 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 for as low as $598 on momondo.

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

There are 3 cabin classes available to choose from on Chicago 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.

When to book flights from Chicago to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago 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 to Reykjavik Keflavik Intl Airport (CHI to KEF) flight deals and tips

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

Best Price Found

$225

Fastest flight time

6h 05m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from Chicago in the past 72 hours is $225. The best round-trip flight deal from Chicago to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $389.
The fastest flight from Chicago to Reykjavik Keflavik Intl Airport takes 6h 05m
Direct flights go from Chicago to Reykjavik Keflavik Intl Airport every day.
Search flight deals

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

    Chicago and Reykjavik Keflavik Intl are 2931.4 mi apart from one another. Flights usually cover this in 6h 15m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Chicago to Reykjavik Keflavik Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago 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 to Reykjavik Keflavik Intl Airport?

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

Best airlines flying from Chicago to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from Chicago to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $478Free CancellationRating
7.0
520 reviews
Search Icelandair flights
Air CanadaPriceFrom $532Free CancellationRating
7.1
9,855 reviews
Search Air Canada flights
United AirlinesPriceFrom $612Free CancellationRating
7.4
8,904 reviews
Search United Airlines flights

  • United Airlines Flights From Chicago to Reykjavik Keflavik Intl Airport

    United Airlines flies from Chicago to Reykjavik Keflavik Intl Airport around 7 times per week, with 8,904 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Chicago to Reykjavik Keflavik Intl Airport in the last 72 hours was $612 (round-trip), much lower than the average airfare cost of $711 for United Airlines flights on this route.

  • Air Canada Flights From Chicago to Reykjavik Keflavik Intl Airport

    Across 9,855 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Chicago to Reykjavik Keflavik Intl Airport about 7 times each week, with ticket deals ranging from $532 to $636. Price data is based on momondo searches in the last 72 hours.

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?

Flights from Chicago to Reykjavik with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Chicago to Reykjavik.

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

Price alerts on flights to Reykjavik from Chicago 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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