Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Reykjavik from $176

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 9/14. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Illinois 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
ma, syys 1 - ke, syys 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
ma, syys 1 - pe, syys 5
Icelandair Logo
10:15 pm - 9:20 amORD-KEF
6h 05mnonstop
Icelandair Logo
7:35 pm - 9:15 pmKEF-ORD
6h 40mnonstop
$361Icelandair
Find Deal
su, elo 31 - ke, syys 10
Logo
12:30 pm - 4:55 amMDW-KEF
11h 25m1 stop
Logo
3:05 pm - 9:00 pmKEF-MDW
10h 55m1 stop
$401
Find Deal
la, loka 11 - ma, loka 20
Logo
5:05 am - 4:55 amORD-KEF
18h 50m2 stops
Logo
3:05 pm - 11:10 amKEF-ORD
25h 05m1 stop
$410
Find Deal
ti, syys 9 - ke, syys 17
British Airways Logo
6:21 pm - 5:15 pmSTL-KEF
16h 54m2 stops
British Airways Logo
11:50 am - 8:23 pmKEF-STL
38h 33m2 stops
$668British Airways
Find Deal
to, tammi 8 - ti, tammi 13
Lufthansa Logo
1:27 pm - 3:45 pmSTL-KEF
20h 18m2 stops
Lufthansa Logo
4:15 pm - 1:55 pmKEF-STL
27h 40m1 stop
$689Lufthansa
Find Deal
to, tammi 8 - ti, tammi 13
Air Canada Logo
1:30 pm - 8:10 amSTL-KEF
13h 40m1 stop
Air Canada Logo
9:30 am - 6:17 pmKEF-STL
37h 47m2 stops
$802Air Canada
Find Deal
ti, syys 16 - pe, loka 3
Air Canada Logo
4:05 pm - 8:15 amSTL-KEF
11h 10m1 stop
Air Canada Logo
9:30 am - 9:37 pmKEF-STL
41h 07m2 stops
$808Air Canada
Find Deal
ke, syys 17 - pe, loka 3
Lufthansa Logo
12:25 pm - 12:10 amSTL-KEF
30h 45m2 stops
Lufthansa Logo
12:25 am - 3:44 pmKEF-STL
44h 19m2 stops
$845Lufthansa
Find Deal
ke, loka 15 - su, loka 19

Icelandair flights from Illinois to Reykjavik Keflavik Intl Airport

Our best Icelandair deals on Illinois 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
Aug 31
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
$361
Find similar

United Airlines flights from Illinois to Reykjavik Keflavik Intl Airport

Our best United Airlines deals on Illinois to Reykjavik Keflavik Intl Airport flight tickets
United Airlines
Aug 28
ORD3:35 pmChicago O'Hare Intl
11h 35m
1 stop
KEF8:10 amReykjavik Keflavik Intl
Sep 3
KEF9:30 amReykjavik Keflavik Intl
30h 05m
2 stops
ORD10:35 amChicago O'Hare Intl
$534
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 28
ORD3:35 pmChicago O'Hare Intl
11h 35m
1 stop
KEF8:10 amReykjavik Keflavik Intl
Sep 6
KEF12:00 pmReykjavik Keflavik Intl
6h 55m
ORD1:55 pmChicago O'Hare Intl
$547
Find similar

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 elokuu 20, 2025.
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

ma 9/1

10:15 pm-9:20 am

Nonstop6h 05m

Reykjavik Keflavik Intl

ke 9/10

7:35 pm-9:15 pm

Nonstop6h 40m

$349

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

ma 9/1

10:15 pm-9:20 am

Nonstop6h 05m

Reykjavik Keflavik Intl

pe 9/5

7:35 pm-9:15 pm

Nonstop6h 40m

$350

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

su 8/31

10:15 pm-9:20 am

Nonstop6h 05m

Reykjavik Keflavik Intl

ke 9/10

7:35 pm-9:15 pm

Nonstop6h 40m

$361

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

la 10/11

12:30 pm-4:55 am

1 stop11h 25m

Reykjavik Keflavik Intl

ma 10/20

3:05 pm-9:00 pm

1 stop10h 55m

$401

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

ti 9/9

5:05 am-4:55 am

2 stops18h 50m

Reykjavik Keflavik Intl

ke 9/17

3:05 pm-11:10 am

1 stop25h 05m

$410

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

to 1/8

6:21 pm-5:15 pm

2 stops16h 54m

Reykjavik Keflavik Intl

ti 1/13

11:50 am-8:23 pm

2 stops38h 33m

$668

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

to 1/8

1:27 pm-3:45 pm

2 stops20h 18m

Reykjavik Keflavik Intl

ti 1/13

4:15 pm-1:55 pm

1 stop27h 40m

$689

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

ti 9/16

1:30 pm-8:10 am

1 stop13h 40m

Reykjavik Keflavik Intl

pe 10/3

9:30 am-6:17 pm

2 stops37h 47m

$802

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

ke 9/17

4:05 pm-8:15 am

1 stop11h 10m

Reykjavik Keflavik Intl

pe 10/3

9:30 am-9:37 pm

2 stops41h 07m

$808

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

ke 10/15

12:25 pm-12:10 am

2 stops30h 45m

Reykjavik Keflavik Intl

su 10/19

12:25 am-3:44 pm

2 stops44h 19m

$845

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $599. 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 $607.

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 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 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 $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 Illinois for as low as $594 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

$298

Fastest flight time

5h 15m

Direct flights

Every day
The best one-way flight to Reykjavik Keflavik Intl Airport from Illinois in the past 72 hours is $298. The best round-trip flight deal from Illinois to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $483.
The fastest flight from Illinois to Reykjavik Keflavik Intl Airport takes 5h 15m
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 $427Free CancellationRating
7.0
529 reviews
Search Icelandair flights
United AirlinesPriceFrom $612Free CancellationRating
7.4
8,928 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
Hveragerdi
Selfoss
Hella
Borgarnes
Kopavogur
Grindavik

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.

An easier way to manage your Reykjavik Keflavik Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
ma 8/25
ma 9/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Reykjavik