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Cheap flights from Illinois to Reykjavik from $394

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Reykjavik departing on 5/3. 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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0 bags

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Find the cheapest flights from Illinois to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
$443Icelandair
Sun, Apr 12 - Mon, Apr 20
Icelandair Logo
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
$448Icelandair
Wed, Jun 3 - Wed, Jun 17
Icelandair Logo
7:25 pm - 6:40 am
ORD
-
KEF
6h 15mnonstop
Icelandair Logo
7:45 pm - 9:25 pm
KEF
-
ORD
6h 40mnonstop
$453Icelandair
Sun, Apr 19 - Sun, Apr 26
Virgin Atlantic Logo
5:36 pm - 7:40 am
STL
-
KEF
9h 04m
1 stop
Virgin Atlantic Logo
8:45 am - 9:29 pm
KEF
-
STL
17h 44m
2 stops
$758Virgin Atlantic
Sun, May 10 - Tue, May 26
Delta Logo
10:19 am - 7:00 am
STL
-
KEF
15h 41m
1 stop
Delta Logo
8:45 am - 1:10 pm
KEF
-
STL
9h 25m
1 stop
$805Delta
Tue, May 12 - Wed, May 20
Delta Logo
1:27 pm - 9:30 am
STL
-
KEF
15h 03m
2 stops
Delta Logo
8:45 am - 4:10 pm
KEF
-
STL
12h 25m
2 stops
$809Delta
Tue, May 12 - Wed, May 20
Multiple Airlines Logo
3:20 pm - 8:45 am
MDW
-
KEF
12h 25m
1 stop
Multiple Airlines Logo
8:00 pm - 2:35 pm
KEF
-
MDW
23h 35m
1 stop
$810Multiple Airlines
Fri, Jun 12 - Sun, Jun 21
Virgin Atlantic Logo
1:10 pm - 9:30 am
MDW
-
KEF
15h 20m
2 stops
Virgin Atlantic Logo
11:25 am - 10:28 pm
KEF
-
MDW
16h 03m
2 stops
$830Virgin Atlantic
Sun, Apr 12 - Mon, Apr 20
Multiple Airlines Logo
1:27 pm - 7:00 am
STL
-
KEF
12h 33m
2 stops
Multiple Airlines Logo
11:25 am - 5:05 pm
KEF
-
STL
10h 40m
1 stop
$845Multiple Airlines
Thu, May 7 - Thu, May 14
Air France Logo
1:59 pm - 9:30 am
STL
-
KEF
14h 31m
2 stops
Air France Logo
9:30 am - 5:16 pm
KEF
-
STL
12h 46m
2 stops
$848Air France
Thu, May 7 - Thu, May 14

Air France flights from Illinois to Reykjavik Keflavik Intl Airport

Our best Air France deals on Illinois to Reykjavik Keflavik Intl Airport flight tickets
Air France
May 7
STL1:59 pmLambert-St Louis
14h 31m
2 stops
KEF9:30 amReykjavik Keflavik Intl
May 14
KEF9:30 amReykjavik Keflavik Intl
12h 46m
2 stops
STL5:16 pmLambert-St Louis
$848
Air France
May 10
STL1:59 pmLambert-St Louis
14h 31m
2 stops
KEF9:30 amReykjavik Keflavik Intl
May 17
KEF11:25 amReykjavik Keflavik Intl
15h 04m
2 stops
STL9:29 pmLambert-St Louis
$903

KLM flights from Illinois to Reykjavik Keflavik Intl Airport

Our best KLM deals on Illinois to Reykjavik Keflavik Intl Airport flight tickets
KLM
May 7
STL4:25 pmLambert-St Louis
12h 05m
1 stop
KEF9:30 amReykjavik Keflavik Intl
May 14
KEF9:30 amReykjavik Keflavik Intl
10h 01m
1 stop
STL2:31 pmLambert-St Louis
$855
KLM
Aug 25
MDW5:59 pmChicago Midway
8h 41m
1 stop
KEF7:40 amReykjavik Keflavik Intl
Sep 8
KEF9:30 amReykjavik Keflavik Intl
13h 35m
1 stop
MDW6:05 pmChicago Midway
$904
KLM
May 7
MDW9:22 amChicago Midway
16h 38m
1 stop
KEF7:00 amReykjavik Keflavik Intl
May 14
KEF9:30 amReykjavik Keflavik Intl
13h 26m
1 stop
MDW5:56 pmChicago Midway
$915

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 March 27, 2026.
Use the filters below to find and compare flights from Illinois to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 4/12

10:25 pm-9:30 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Mon 4/20

4:25 pm-6:15 pm

Nonstop6h 50m

$443

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 6/3

10:25 pm-9:30 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Wed 6/17

4:25 pm-6:15 pm

Nonstop6h 50m

$448

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sun 4/19

7:25 pm-6:40 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Sun 4/26

7:45 pm-9:25 pm

Nonstop6h 40m

$453

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 5/10

5:36 pm-7:40 am

1 stop9h 04m

Reykjavik Keflavik Intl

Tue 5/26

8:45 am-9:29 pm

2 stops17h 44m

$758

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 5/12

10:19 am-7:00 am

1 stop15h 41m

Reykjavik Keflavik Intl

Wed 5/20

8:45 am-1:10 pm

1 stop9h 25m

$805

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 5/12

1:27 pm-9:30 am

2 stops15h 03m

Reykjavik Keflavik Intl

Wed 5/20

8:45 am-4:10 pm

2 stops12h 25m

$809

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Fri 6/12

3:20 pm-8:45 am

1 stop12h 25m

Reykjavik Keflavik Intl

Sun 6/21

8:00 pm-2:35 pm

1 stop23h 35m

$810

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Sun 4/12

1:10 pm-9:30 am

2 stops15h 20m

Reykjavik Keflavik Intl

Mon 4/20

11:25 am-10:28 pm

2 stops16h 03m

$830

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 5/7

1:27 pm-7:00 am

2 stops12h 33m

Reykjavik Keflavik Intl

Thu 5/14

11:25 am-5:05 pm

1 stop10h 40m

$845

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 5/7

1:59 pm-9:30 am

2 stops14h 31m

Reykjavik Keflavik Intl

Thu 5/14

9:30 am-5:16 pm

2 stops12h 46m

$848

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 Illinois 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 Illinois, with most prices found around $501. If you’re not able to fly to Reykjavik Keflavik Intl Airport in January, then April is your next best option. Flight prices from Illinois to Reykjavik Keflavik Intl Airport during April average around $508.

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

The cheapest day to depart from Illinois to Reykjavik Keflavik Intl Airport is on a Wednesday when prices can be found for as low as $594. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Monday, with ticket prices averaging around $615.

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 $502. Flights in the evening are often more expensive with an average ticket price of $632.

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

Fly from Chicago O'Hare Intl to Reykjavik Keflavik Intl for the best Illinois - 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 Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Reykjavik Keflavik Intl Airport for around $607 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 Illinois for as low as $571 on momondo.

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

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

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

No. A direct flight is the cheapest option for a flight between Illinois to Reykjavik Keflavik Intl Airport.

Cheap Illinois to Reykjavik Keflavik Intl Airport flight deals and tips

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

Best Price Found

$352

Fastest flight time

6h 05m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from Illinois in the past 72 hours is $352. The best round-trip flight deal from Illinois to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $592.
The fastest flight from Illinois to Reykjavik Keflavik Intl Airport takes 6h 05m
Direct flights go from Illinois to Reykjavik Keflavik Intl Airport every day.
Search flight deals

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

    Prices for flights from Illinois to Reykjavik Keflavik Intl Airport were last updated today.

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

  • How old do you have to be to fly from Illinois 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 Illinois to Reykjavik Keflavik Intl Airport.

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

    The travel and health documents you'll need for your trip to Reykjavik Keflavik Intl Airport 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 Reykjavik Keflavik Intl Airport. 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 Illinois to Reykjavik Keflavik Intl Airport?

Best airlines flying from Illinois to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from Illinois to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $348Free CancellationRating
7.0
627 reviews
Search Icelandair flights
United AirlinesPriceFrom $613Free CancellationRating
7.4
9,491 reviews
Search United Airlines flights

Traveling to a place near Reykjavik?

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

Why use momondo?

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

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

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

Flights from Illinois 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 Illinois to Reykjavik?

Once you have performed a search for Illinois to Reykjavik flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Illinois 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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