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Cheap flights from Illinois to Reykjavik from $320

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 5/12. 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 Illinois to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
6:30 pm - 6:45 am
ORD
-
KEF
6h 15mnonstop
Icelandair Logo
4:30 pm - 5:20 pm
KEF
-
ORD
6h 50mnonstop
$445Icelandair
Mon, Feb 16 - Tue, Feb 24
Icelandair Logo
10:25 pm - 9:30 am
ORD
-
KEF
6h 05mnonstop
Icelandair Logo
4:25 pm - 6:15 pm
KEF
-
ORD
6h 50mnonstop
$449Icelandair
Fri, Apr 17 - Wed, Apr 22
Multiple Airlines Logo
11:43 am - 9:30 am
STL
-
KEF
16h 47m
2 stops
Multiple Airlines Logo
11:25 am - 9:14 pm
KEF
-
STL
14h 49m
2 stops
$510Multiple Airlines
Wed, May 6 - Tue, May 12
Delta Logo
12:53 pm - 9:30 am
MDW
-
KEF
15h 37m
2 stops
Delta Logo
11:25 am - 10:28 pm
KEF
-
MDW
16h 03m
2 stops
$709Delta
Fri, Apr 17 - Wed, Apr 22
Delta Logo
12:53 pm - 9:30 am
MDW
-
KEF
15h 37m
2 stops
Delta Logo
11:25 am - 10:28 pm
KEF
-
MDW
16h 03m
2 stops
$710Delta
Wed, Apr 15 - Wed, Apr 22
KLM Logo
9:20 am - 7:40 am
MDW
-
KEF
17h 20m
1 stop
KLM Logo
8:50 am - 6:14 pm
KEF
-
MDW
14h 24m
1 stop
$719KLM
Fri, May 8 - Wed, May 13
KLM Logo
1:59 pm - 7:40 am
MDW
-
KEF
12h 41m
1 stop
KLM Logo
8:50 am - 6:14 pm
KEF
-
MDW
14h 24m
1 stop
$720KLM
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
12:53 pm - 9:30 am
MDW
-
KEF
15h 37m
2 stops
Multiple Airlines Logo
9:30 am - 5:56 pm
KEF
-
MDW
13h 26m
1 stop
$725Multiple Airlines
Mon, May 4 - Mon, May 11
Lufthansa Logo
3:50 pm - 12:50 am
STL
-
KEF
27h 00m
2 stops
Lufthansa Logo
2:05 pm - 2:55 pm
KEF
-
STL
53h 50m
2 stops
$766Lufthansa
Wed, Mar 4 - Wed, Mar 11
Lufthansa Logo
3:50 pm - 12:50 am
STL
-
KEF
27h 00m
2 stops
Lufthansa Logo
2:05 pm - 2:55 pm
KEF
-
STL
53h 50m
2 stops
$770Lufthansa
Wed, Mar 4 - Wed, Mar 11

Icelandair flights from Illinois to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Illinois to Reykjavik Keflavik Intl Airport flight tickets
Icelandair
Apr 12
ORD7:25 pmChicago O'Hare Intl
6h 15m
KEF6:40 amReykjavik Keflavik Intl
Apr 17
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
$434
Icelandair
Feb 16
ORD6:30 pmChicago O'Hare Intl
6h 15m
KEF6:45 amReykjavik Keflavik Intl
Feb 24
KEF4:30 pmReykjavik Keflavik Intl
6h 50m
ORD5:20 pmChicago O'Hare Intl
$445
Icelandair
Apr 17
ORD10:25 pmChicago O'Hare Intl
6h 05m
KEF9:30 amReykjavik Keflavik Intl
Apr 22
KEF4:25 pmReykjavik Keflavik Intl
6h 50m
ORD6:15 pmChicago O'Hare Intl
$449

Scandinavian Airlines flights from Illinois to Reykjavik Keflavik Intl Airport

Our best Scandinavian Airlines deals on Illinois to Reykjavik Keflavik Intl Airport flight tickets
Scandinavian Airlines
Apr 17
ORD7:15 pmChicago O'Hare Intl
17h 30m
2 stops
KEF5:45 pmReykjavik Keflavik Intl
Apr 23
KEF10:30 amReykjavik Keflavik Intl
34h 40m
1 stop
ORD4:10 pmChicago O'Hare Intl
$553
Scandinavian Airlines
Apr 17
ORD7:15 pmChicago O'Hare Intl
16h 05m
1 stop
KEF4:20 pmReykjavik Keflavik Intl
Apr 21
KEF10:30 amReykjavik Keflavik Intl
34h 40m
1 stop
ORD4:10 pmChicago O'Hare Intl
$555
Scandinavian Airlines
Feb 11
ORD7:00 amChicago O'Hare Intl
21h 45m
2 stops
KEF10:45 amReykjavik Keflavik Intl
Feb 24
KEF5:35 pmReykjavik Keflavik Intl
29h 10m
1 stop
ORD4:45 pmChicago O'Hare Intl
$867

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 February 5, 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

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 2/16

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Tue 2/24

4:30 pm-5:20 pm

Nonstop6h 50m

$445

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Fri 4/17

10:25 pm-9:30 am

Nonstop6h 05m

Reykjavik Keflavik Intl

Wed 4/22

4:25 pm-6:15 pm

Nonstop6h 50m

$449

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 5/6

11:43 am-9:30 am

2 stops16h 47m

Reykjavik Keflavik Intl

Tue 5/12

11:25 am-9:14 pm

2 stops14h 49m

$510

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Fri 4/17

12:53 pm-9:30 am

2 stops15h 37m

Reykjavik Keflavik Intl

Wed 4/22

11:25 am-10:28 pm

2 stops16h 03m

$709

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Wed 4/15

12:53 pm-9:30 am

2 stops15h 37m

Reykjavik Keflavik Intl

Wed 4/22

11:25 am-10:28 pm

2 stops16h 03m

$710

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Fri 5/8

9:20 am-7:40 am

1 stop17h 20m

Reykjavik Keflavik Intl

Wed 5/13

8:50 am-6:14 pm

1 stop14h 24m

$719

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Thu 5/7

1:59 pm-7:40 am

1 stop12h 41m

Reykjavik Keflavik Intl

Mon 5/11

8:50 am-6:14 pm

1 stop14h 24m

$720

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Mon 5/4

12:53 pm-9:30 am

2 stops15h 37m

Reykjavik Keflavik Intl

Mon 5/11

9:30 am-5:56 pm

1 stop13h 26m

$725

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 3/4

3:50 pm-12:50 am

2 stops27h 00m

Reykjavik Keflavik Intl

Wed 3/11

2:05 pm-2:55 pm

2 stops53h 50m

$766

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Wed 3/4

3:50 pm-12:50 am

2 stops27h 00m

Reykjavik Keflavik Intl

Wed 3/11

2:05 pm-2:55 pm

2 stops53h 50m

$770

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 December is your next best option. Flight prices from Illinois to Reykjavik Keflavik Intl Airport during December average around $558.

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 $596. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Friday, with ticket prices averaging around $621.

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 $507. Flights in the evening are often more expensive with an average ticket price of $634.

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 $627 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 $550 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

$364

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 $364. The best round-trip flight deal from Illinois to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $478.
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 $350Free CancellationRating
7.1
606 reviews
Search Icelandair flights
United AirlinesPriceFrom $612Free CancellationRating
7.4
9,241 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
Borgarnes
Hveragerdi
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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