What is the cheapest airline that flies from Illinois to Reykjavik Keflavik Intl?

United Airlines, WestJet, and KLM are the most popular carriers operating from Illinois to Reykjavik Keflavik Intl

How long does it take to fly to Reykjavik Keflavik Intl Airport?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Reykjavik Keflavik Intl Airport you fly into. For example, flying from Chicago to Reykjavik Keflavik Intl Airport takes 6h 53m on average. On the other hand, flying from Moline to Reykjavik Keflavik Intl Airport takes 12h 03m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

As of June 2026, there are 5 operators available to choose from 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.

$285 Cheap Flights from Illinois to Reykjavik Keflavik Intl Airport in 2026

Q: How many flights depart from Illinois to Reykjavik Keflavik Intl Airport on average per week?

As of June 2026, there are 48 flights per week flying from Illinois to Reykjavik Keflavik Intl Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

Q: How many flights depart from Illinois to Reykjavik Keflavik Intl Airport on average per day?

As of June 2026, 6 flights take off from Illinois and land in Reykjavik Keflavik Intl Airport each day. The most common flight departure time for this route is 9:00PM, with 100% of daily flights taking off in the evening.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Reykjavik

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:29 am - 9:30 am

STL

KEF

18h 01m

2 stops

11:25 am - 8:49 pm

KEF

STL

14h 24m

2 stops

$285Virgin Atlantic

Thu, Oct 1 - Thu, Oct 8

3:42 pm - 9:30 am

STL

KEF

12h 48m

2 stops

11:25 am - 11:39 pm

KEF

STL

17h 14m

2 stops

$313Virgin Atlantic

Thu, Oct 8 - Thu, Oct 15

7:25 pm - 6:40 am

ORD

KEF

6h 15mnonstop

4:25 pm - 6:15 pm

KEF

ORD

6h 50mnonstop

$428Icelandair

Sat, Aug 22 - Tue, Sep 1

7:25 pm - 6:40 am

ORD

KEF

6h 15mnonstop

4:25 pm - 6:15 pm

KEF

ORD

6h 50mnonstop

$429Icelandair

Mon, Aug 17 - Mon, Aug 31

7:13 pm - 7:00 am

MDW

KEF

30h 47m

1 stop

11:25 am - 8:48 am

KEF

MDW

26h 23m

2 stops

$430Delta

Wed, Sep 23 - Sat, Oct 3

7:25 pm - 6:40 am

ORD

KEF

6h 15mnonstop

4:25 pm - 6:15 pm

KEF

ORD

6h 50mnonstop

$430Icelandair

Wed, Sep 23 - Mon, Sep 28

10:40 am - 8:45 am

ORD

KEF

17h 05m

2 stops

10:00 am - 7:44 am

KEF

ORD

26h 44m

2 stops

$432Air Canada

Fri, Oct 2 - Mon, Oct 5

6:58 pm - 7:40 am

MDW

KEF

7h 42m

1 stop

9:30 am - 6:18 pm

KEF

MDW

13h 48m

1 stop

$433Delta

Tue, Jul 14 - Tue, Jul 28

11:30 am - 7:40 am

ORD

KEF

15h 10m

1 stop

8:45 am - 4:23 pm

KEF

ORD

12h 38m

1 stop

$433KLM

Tue, Jul 14 - Tue, Jul 21

8:40 am - 7:55 am

ORD

KEF

18h 15m

1 stop

9:15 am - 8:05 pm

KEF

ORD

15h 50m

1 stop

$435Air Canada

Thu, Aug 20 - Mon, Aug 31

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Virgin Atlantic flights from Illinois to Reykjavik Keflavik Intl Airport

Our best Virgin Atlantic deals on Illinois to Reykjavik Keflavik Intl Airport flight tickets

Virgin Atlantic

Oct 1

STL10:29 amLambert-St Louis

18h 01m

2 stops

KEF9:30 amReykjavik Keflavik Intl

Oct 8

KEF11:25 amReykjavik Keflavik Intl

14h 24m

2 stops

STL8:49 pmLambert-St Louis

$285

Virgin Atlantic

Aug 21

MDW7:25 pmChicago Midway

30h 35m

1 stop

KEF7:00 amReykjavik Keflavik Intl

Aug 27

KEF9:30 amReykjavik Keflavik Intl

14h 03m

2 stops

MDW6:33 pmChicago Midway

$565

Virgin Atlantic

Aug 11

MDW1:51 pmChicago Midway

12h 09m

1 stop

KEF7:00 amReykjavik Keflavik Intl

Aug 18

KEF8:45 amReykjavik Keflavik Intl

14h 48m

1 stop

MDW6:33 pmChicago Midway

$615

KLM flights from Illinois to Reykjavik Keflavik Intl Airport

Our best KLM deals on Illinois to Reykjavik Keflavik Intl Airport flight tickets

KLM

Jul 14

ORD11:30 amChicago O'Hare Intl

15h 10m

1 stop

KEF7:40 amReykjavik Keflavik Intl

Jul 21

KEF8:45 amReykjavik Keflavik Intl

12h 38m

1 stop

ORD4:23 pmChicago O'Hare Intl

$433

KLM

Jul 6

MDW7:16 pmChicago Midway

30h 44m

1 stop

KEF7:00 amReykjavik Keflavik Intl

Jul 11

KEF8:45 amReykjavik Keflavik Intl

14h 22m

1 stop

MDW6:07 pmChicago Midway

$439

KLM

Sep 17

MDW7:13 pmChicago Midway

30h 47m

1 stop

KEF7:00 amReykjavik Keflavik Intl

Sep 26

KEF9:30 amReykjavik Keflavik Intl

13h 49m

1 stop

MDW6:19 pmChicago Midway

$669

momondo Fare Finder

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

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 10/1

10:29 am-9:30 am

2 stops18h 01m

Reykjavik Keflavik Intl

Thu 10/8

11:25 am-8:49 pm

2 stops14h 24m

$285

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Thu 10/8

3:42 pm-9:30 am

2 stops12h 48m

Reykjavik Keflavik Intl

Thu 10/15

11:25 am-11:39 pm

2 stops17h 14m

$313

Quickest round-trip

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Sat 8/22

7:25 pm-6:40 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Tue 9/1

4:25 pm-6:15 pm

Nonstop6h 50m

$428

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 8/17

7:25 pm-6:40 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Mon 8/31

4:25 pm-6:15 pm

Nonstop6h 50m

$429

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Wed 9/23

7:13 pm-7:00 am

1 stop30h 47m

Reykjavik Keflavik Intl

Sat 10/3

11:25 am-8:48 am

2 stops26h 23m

$430

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 9/23

7:25 pm-6:40 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Mon 9/28

4:25 pm-6:15 pm

Nonstop6h 50m

$430

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Fri 10/2

10:40 am-8:45 am

2 stops17h 05m

Reykjavik Keflavik Intl

Mon 10/5

10:00 am-7:44 am

2 stops26h 44m

$432

ChicagoReykjavik

MDW - KEF

MDWKEF

Chicago Midway

Tue 7/14

6:58 pm-7:40 am

1 stop7h 42m

Reykjavik Keflavik Intl

Tue 7/28

9:30 am-6:18 pm

1 stop13h 48m

$433

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Tue 7/14

11:30 am-7:40 am

1 stop15h 10m

Reykjavik Keflavik Intl

Tue 7/21

8:45 am-4:23 pm

1 stop12h 38m

$433

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 8/20

8:40 am-7:55 am

1 stop18h 15m

Reykjavik Keflavik Intl

Mon 8/31

9:15 am-8:05 pm

1 stop15h 50m

$435

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Reykjavik Keflavik Intl Airport?

The month of March is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from Illinois, with most prices found around $173. If you’re not able to fly to Reykjavik Keflavik Intl Airport in March, then October is your next best option. Flight prices from Illinois to Reykjavik Keflavik Intl Airport during October average around $311.

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 $612. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Friday, with ticket prices averaging around $632.

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 $500. Flights in the evening are often more expensive with an average ticket price of $663.

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 from Illinois 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 $621 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 $539 on momondo.

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

There are 3 cabin classes available to choose from on Illinois to Reykjavik Keflavik Intl Airport 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?

You could potentially save up to 8% on your flight if you consider stops on a Illinois to Reykjavik Keflavik Intl Airport flight.

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	$308
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 $308. The best round-trip flight deal from Illinois to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $692.

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

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

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?
As of June 2026, there are 5 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Reykjavik Keflavik Intl Airport is Boeing 757-200 (22.11% of total bookings). The next most popular plane models are Boeing 787-10 Dreamliner (16.70%), Boeing 737 MAX 8 (11.52%), and Boeing 787-8 Dreamliner (9.64%).

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
Icelandair	PriceFrom $348	Free Cancellation	Rating 7.0 692 reviews		Search Icelandair flights
United Airlines	PriceFrom $546	Free Cancellation	Rating 7.4 9,895 reviews		Search United Airlines flights

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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Illinois flight routes

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Flights from Bloomington-Normal to Tampa St. Petersburg

Flights from Chicago Midway to Valparaiso Destin-Ft Walton Beach

Flights from Chicago O'Hare Intl to Burlington

Flights from Moline Quad-City to Tampa St. Petersburg

Flights from Chicago Midway to Knoxville McGhee Tyson

Cheap flights from Illinois to Reykjavik from $285

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Reykjavik departing on 10/1. 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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Virgin Atlantic flights from Illinois to Reykjavik Keflavik Intl Airport

Our best Virgin Atlantic deals on Illinois to Reykjavik Keflavik Intl Airport flight tickets

KLM flights from Illinois to Reykjavik Keflavik Intl Airport

Our best KLM deals on Illinois to Reykjavik Keflavik Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Reykjavik Keflavik Intl Airport that are best for you.

See travel insights to Reykjavik from

How to get the cheapest flight ticket from Illinois to Reykjavik Keflavik Intl Airport

What is the cheapest month to fly to Reykjavik Keflavik Intl Airport?

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

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

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

How far in advance should I book a flight from Illinois to Reykjavik Keflavik Intl Airport?

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

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

What is the cheapest airline that flies from Illinois to Reykjavik Keflavik Intl?

How many flights depart from Illinois to Reykjavik Keflavik Intl Airport on average per day?

How many flights depart from Illinois to Reykjavik Keflavik Intl Airport on average per week?

How long does it take to fly 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

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Reykjavik?

Why use momondo?

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.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Reykjavik

Illinois flight routes

According to popular flight searches on momondo this year

Reykjavik Keflavik Intl Airport flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Reykjavik

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Reykjavik

List of cabin classes available on flights landing in Reykjavik. Availability may vary depending on flight origin and airline.

Complete your trip to Reykjavik

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