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Cheap flights from Reykjavik Keflavik Intl Airport to Chicago from $308

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 5/28. 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
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
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
$603Icelandair
Mon, Jul 6 - Wed, Jul 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
$624Icelandair
Mon, Jun 8 - Mon, Jun 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
$626Icelandair
Mon, Jun 8 - Mon, Jun 15
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$633Icelandair
Tue, Jun 16 - Tue, Jun 23
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
$643Icelandair
Thu, Jul 16 - Thu, Jul 23
Virgin Atlantic Logo
9:30 am - 6:18 pm
KEF
-
MDW
13h 48m
1 stop
Virgin Atlantic Logo
1:26 pm - 9:30 am
MDW
-
KEF
15h 04m
2 stops
$854Virgin Atlantic
Mon, Jun 8 - Mon, Jun 15
Virgin Atlantic Logo
9:30 am - 6:18 pm
KEF
-
MDW
13h 48m
1 stop
Virgin Atlantic Logo
1:21 pm - 9:30 am
MDW
-
KEF
15h 09m
2 stops
$858Virgin Atlantic
Mon, Jun 8 - Mon, Jun 15
Delta Logo
11:25 am - 10:17 pm
KEF
-
MDW
15h 52m
2 stops
Delta Logo
11:05 am - 9:30 am
MDW
-
KEF
17h 25m
2 stops
$931Delta
Mon, Jun 8 - Mon, Jun 15
Multiple Airlines Logo
10:45 am - 9:05 pm
KEF
-
MDW
15h 20m
1 stop
Multiple Airlines Logo
1:00 pm - 6:25 am
MDW
-
KEF
12h 25m
2 stops
$957Multiple Airlines
Fri, May 29 - Thu, Jun 4
KLM Logo
9:30 am - 6:18 pm
KEF
-
MDW
13h 48m
1 stop
KLM Logo
7:16 pm - 7:00 am
MDW
-
KEF
30h 44m
1 stop
$986KLM
Mon, Jun 8 - Mon, Jun 15

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United Airlines flights from Reykjavik Keflavik Intl Airport to Chicago

Our best United Airlines deals on Reykjavik Keflavik Intl Airport to Chicago flight tickets
United Airlines
Jun 8
KEF12:00 pmReykjavik Keflavik Intl
6h 50m
ORD1:50 pmChicago O'Hare Intl
Jun 15
ORD6:12 pmChicago O'Hare Intl
9h 18m
1 stop
KEF8:30 amReykjavik Keflavik Intl
$881
United Airlines
Jun 8
KEF12:00 pmReykjavik Keflavik Intl
6h 50m
ORD1:50 pmChicago O'Hare Intl
Jun 15
ORD9:35 pmChicago O'Hare Intl
6h 15m
KEF8:50 amReykjavik Keflavik Intl
$883
United Airlines
Jun 5
KEF9:15 amReykjavik Keflavik Intl
15h 50m
1 stop
ORD8:05 pmChicago O'Hare Intl
Jun 11
ORD9:35 pmChicago O'Hare Intl
6h 15m
KEF8:50 amReykjavik Keflavik Intl
$884

Icelandair flights from Reykjavik Keflavik Intl Airport to Chicago

Our best Icelandair deals on Reykjavik Keflavik Intl Airport to Chicago flight tickets
Icelandair
Jul 6
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
Jul 15
ORD10:25 pmChicago O'Hare Intl
6h 05m
KEF9:30 amReykjavik Keflavik Intl
$603
Icelandair
Jun 8
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
Jun 15
ORD10:25 pmChicago O'Hare Intl
6h 05m
KEF9:30 amReykjavik Keflavik Intl
$624
Icelandair
Jun 8
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
Jun 15
ORD10:25 pmChicago O'Hare Intl
6h 05m
KEF9:30 amReykjavik Keflavik Intl
$626

momondo Fare Finder

 
Customize your flight search to find flights from Reykjavik Keflavik Intl Airport to Chicago 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 May 5, 2026.
Use the filters below to find and compare flights from Reykjavik Keflavik Intl Airport to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 7/6

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Wed 7/15

10:25 pm-9:30 am

Nonstop6h 05m

$603

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 6/8

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Mon 6/15

10:25 pm-9:30 am

Nonstop6h 05m

$624

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Mon 6/8

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Mon 6/15

10:25 pm-9:30 am

Nonstop6h 05m

$626

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Tue 6/16

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Tue 6/23

7:25 pm-6:40 am

Nonstop6h 15m

$633

ReykjavikChicago

KEF - ORD

KEFORD

Reykjavik Keflavik Intl

Thu 7/16

4:25 pm-6:15 pm

Nonstop6h 50m

Chicago O'Hare Intl

Thu 7/23

7:25 pm-6:40 am

Nonstop6h 15m

$643

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Mon 6/8

9:30 am-6:18 pm

1 stop13h 48m

Chicago Midway

Mon 6/15

1:26 pm-9:30 am

2 stops15h 04m

$854

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Mon 6/8

9:30 am-6:18 pm

1 stop13h 48m

Chicago Midway

Mon 6/15

1:21 pm-9:30 am

2 stops15h 09m

$858

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Mon 6/8

11:25 am-10:17 pm

2 stops15h 52m

Chicago Midway

Mon 6/15

11:05 am-9:30 am

2 stops17h 25m

$931

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Fri 5/29

10:45 am-9:05 pm

1 stop15h 20m

Chicago Midway

Thu 6/4

1:00 pm-6:25 am

2 stops12h 25m

$957

ReykjavikChicago

KEF - MDW

KEFMDW

Reykjavik Keflavik Intl

Mon 6/8

9:30 am-6:18 pm

1 stop13h 48m

Chicago Midway

Mon 6/15

7:16 pm-7:00 am

1 stop30h 44m

$986

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

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?

The cheapest day to depart on your flight to Chicago 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. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Reykjavik Keflavik Intl Airport to Chicago for around $1,684.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Reykjavik Keflavik Intl Airport to Chicago during this time can be as low as $592. In contrast, the most expensive time of day to depart to Chicago is in the morning when prices are around $880.

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

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

Can stopping save me money on Reykjavik Keflavik Intl Airport to Chicago flights?

You could potentially save up to 33% on your flight if you consider stops on a Reykjavik Keflavik Intl Airport to Chicago flight.

When to book flights from Reykjavik Keflavik Intl Airport to Chicago

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

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

Fastest flight time

6h 50m

Direct flights

Every day

Airports in Chicago

3 airports
The fastest flight from Reykjavik Keflavik Intl Airport to Chicago takes 6h 50m
Direct flights go from Reykjavik Keflavik Intl Airport to Chicago every day.
There are 3 airports in Chicago. From Reykjavik Keflavik Intl Airport there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

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

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

    The distance between Reykjavik Keflavik Intl and Chicago is about 2931.4 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?

    Prices for flights from Reykjavik Keflavik Intl Airport to Chicago are updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Reykjavik Keflavik Intl Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Munster
Schererville
Crown Point
Monticello
Chesterton
Porter
Griffith
Saint John

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Reykjavik to Chicago. momondo saves you time and could save you money on your trip.

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

All flight searches from Reykjavik to Chicago on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Reykjavik and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Reykjavik and alert you when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport