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Cheap flights from St. Louis to Reykjavik from $635

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Reykjavik

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:50 pm - 10:00 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
10h 10m1 stop Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 11:24 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
17h 24m1 stop Chicago O'Hare Intl
$732United Airlines
Wed, Oct 28 - Thu, Nov 5
United Airlines Logo
11:00 am - 10:00 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
18h 00m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 11:24 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
17h 24m1 stop Chicago O'Hare Intl
$737United Airlines
Wed, Oct 28 - Thu, Nov 5
United Airlines Logo
2:55 pm - 10:00 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
14h 05m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 10:26 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
16h 26m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$737United Airlines
Wed, Oct 28 - Thu, Nov 5
United Airlines Logo
1:40 pm - 10:00 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
15h 20m2 stops Denver Intl Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 8:59 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
14h 59m2 stops Chicago O'Hare Intl Denver Intl
$737United Airlines
Wed, Oct 28 - Thu, Nov 5
American Airlines Logo
1:45 pm - 10:40 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
38h 55m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
11:55 am - 5:48 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
35h 53m2 stops London Heathrow Charlotte Douglas
$759American Airlines
Wed, Jan 13 - Mon, Jan 18
Multiple Airlines Logo
7:05 pm - 9:30 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
33h 25m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Multiple Airlines Logo
11:25 am - 11:39 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
17h 14m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$762Multiple Airlines
Sun, Mar 28 - Wed, Mar 31
Scandinavian Airlines Logo
2:25 pm - 5:20 pmSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
21h 55m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
Scandinavian Airlines Logo
11:35 am - 11:54 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
42h 19m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$768Scandinavian Airlines
Wed, Oct 28 - Thu, Nov 5
Lufthansa Logo
1:17 pm - 2:25 pmSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
19h 08m2 stops Chicago O'Hare Intl Frankfurt am Main
Lufthansa Logo
3:20 pm - 1:45 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
28h 25m1 stop Frankfurt am Main
$780Lufthansa
Wed, Jan 27 - Thu, Feb 11
Lufthansa Logo
3:40 pm - 2:25 pmSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
16h 45m1 stop Frankfurt am Main
Lufthansa Logo
3:20 pm - 1:45 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
28h 25m1 stop Frankfurt am Main
$781Lufthansa
Wed, Jan 27 - Thu, Feb 11
Lufthansa Logo
1:17 pm - 2:25 pmSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
19h 08m2 stops Chicago O'Hare Intl Frankfurt am Main
Lufthansa Logo
3:20 pm - 9:12 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
35h 52m2 stops Frankfurt am Main Chicago O'Hare Intl
$784Lufthansa
Wed, Jan 27 - Thu, Feb 11

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American Airlines flights from St. Louis to Reykjavik Keflavik Intl Airport

Our best American Airlines deals on St. Louis to Reykjavik Keflavik Intl Airport flight tickets
American Airlines
Jan 13
STL1:45 pmLambert-St Louis
38h 55m
2 stops
KEF10:40 amReykjavik Keflavik Intl
Jan 18
KEF11:55 amReykjavik Keflavik Intl
35h 53m
2 stops
STL5:48 pmLambert-St Louis
$759
American Airlines
Nov 13
STL11:35 amLambert-St Louis
21h 30m
2 stops
KEF3:05 pmReykjavik Keflavik Intl
Nov 20
KEF11:45 amReykjavik Keflavik Intl
16h 29m
2 stops
STL10:14 pmLambert-St Louis
$799
American Airlines
Jan 15
STL5:50 pmLambert-St Louis
34h 55m
2 stops
KEF10:45 amReykjavik Keflavik Intl
Jan 22
KEF11:35 amReykjavik Keflavik Intl
18h 29m
2 stops
STL12:04 amLambert-St Louis
$808

Lufthansa flights from St. Louis to Reykjavik Keflavik Intl Airport

Our best Lufthansa deals on St. Louis to Reykjavik Keflavik Intl Airport flight tickets
Lufthansa
Jan 27
STL1:17 pmLambert-St Louis
19h 08m
2 stops
KEF2:25 pmReykjavik Keflavik Intl
Feb 11
KEF3:20 pmReykjavik Keflavik Intl
28h 25m
1 stop
STL1:45 pmLambert-St Louis
$780
Lufthansa
Jan 27
STL3:40 pmLambert-St Louis
16h 45m
1 stop
KEF2:25 pmReykjavik Keflavik Intl
Feb 11
KEF3:20 pmReykjavik Keflavik Intl
28h 25m
1 stop
STL1:45 pmLambert-St Louis
$781
Lufthansa
Jan 27
STL1:17 pmLambert-St Louis
19h 08m
2 stops
KEF2:25 pmReykjavik Keflavik Intl
Feb 11
KEF3:20 pmReykjavik Keflavik Intl
35h 52m
2 stops
STL9:12 pmLambert-St Louis
$784

momondo Fare Finder

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

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Fly to

Route

Depart

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Price

Cheapest round-trip
Quickest round-trip

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Wed 10/28

6:50 pm-10:00 am

1 stop10h 10m

Reykjavik Keflavik Intl

Thu 11/5

12:00 pm-11:24 pm

1 stop17h 24m

$732

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Wed 10/28

11:00 am-10:00 am

2 stops18h 00m

Reykjavik Keflavik Intl

Thu 11/5

12:00 pm-11:24 pm

1 stop17h 24m

$737

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Wed 10/28

2:55 pm-10:00 am

2 stops14h 05m

Reykjavik Keflavik Intl

Thu 11/5

12:00 pm-10:26 pm

2 stops16h 26m

$737

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Wed 10/28

1:40 pm-10:00 am

2 stops15h 20m

Reykjavik Keflavik Intl

Thu 11/5

12:00 pm-8:59 pm

2 stops14h 59m

$737

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Wed 1/13

1:45 pm-10:40 am

2 stops38h 55m

Reykjavik Keflavik Intl

Mon 1/18

11:55 am-5:48 pm

2 stops35h 53m

$759

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Sun 3/28

7:05 pm-9:30 am

2 stops33h 25m

Reykjavik Keflavik Intl

Wed 3/31

11:25 am-11:39 pm

2 stops17h 14m

$762

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Wed 10/28

2:25 pm-5:20 pm

2 stops21h 55m

Reykjavik Keflavik Intl

Thu 11/5

11:35 am-11:54 pm

2 stops42h 19m

$768

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Wed 1/27

1:17 pm-2:25 pm

2 stops19h 08m

Reykjavik Keflavik Intl

Thu 2/11

3:20 pm-1:45 pm

1 stop28h 25m

$780

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Wed 1/27

3:40 pm-2:25 pm

1 stop16h 45m

Reykjavik Keflavik Intl

Thu 2/11

3:20 pm-1:45 pm

1 stop28h 25m

$781

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Wed 1/27

1:17 pm-2:25 pm

2 stops19h 08m

Reykjavik Keflavik Intl

Thu 2/11

3:20 pm-9:12 pm

2 stops35h 52m

$784

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Reykjavik from

How to get the cheapest flight ticket from St. Louis 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 typical price of a round-trip flight between St. Louis and Reykjavik Keflavik Intl Airport?

Prices are currently low for flights on this route.

Typical prices usually range from $987 to $1,291.
The lowest price recently found on this route was $732.

Can stopping save me money on St. Louis to Reykjavik Keflavik Intl Airport flights?

You could potentially save up to 43% on your flight if you consider stops on a St. Louis to Reykjavik Keflavik Intl Airport flight.

When to book flights from St. Louis to Reykjavik Keflavik Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Reykjavik Keflavik Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Reykjavik Keflavik Intl Airport (STL to KEF) flight deals and tips

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

Best Price Found

$635

Fastest flight time

9h 50m

Direct flights

None
The best one-way flight to Reykjavik Keflavik Intl Airport from St. Louis in the past 72 hours is $635. The best round-trip flight deal from St. Louis to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $732.
The fastest flight from St. Louis to Reykjavik Keflavik Intl Airport takes 9h 50m
There are no direct flights from St. Louis to Reykjavik Keflavik Intl Airport. There are no popular flight routes from St. Louis to Reykjavik Keflavik Intl Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Reykjavik Keflavik Intl Airport

  • How far is Lambert-St Louis to Reykjavik Keflavik Intl by plane?

    A flight from Lambert-St Louis to Reykjavik Keflavik Intl will travel around 3192.8 mi. Typically, this will take 9h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Reykjavik Keflavik Intl Airport?

    Prices for flights from Lambert-St Louis Airport to Reykjavik Keflavik Intl Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Reykjavik Keflavik Intl Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Reykjavik Keflavik Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Reykjavik Keflavik Intl Airport.

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

    The necessary travel and health documents for your Reykjavik Keflavik Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Reykjavik Keflavik Intl Airport?

Best airlines flying from St. Louis to Reykjavik Keflavik Intl Airport

Compare and see reviews for airlines that fly from St. Louis to Reykjavik Keflavik Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $783Free CancellationRating
7.4
10,283 reviews
Search United Airlines flights
DeltaPriceFrom $784Free CancellationRating
7.8
8,626 reviews
Search Delta flights

Traveling to a place near Reykjavik?

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

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Reykjavik?

Finding the right flight to Reykjavik from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Reykjavik quick and easy, saving you time and money.

Can I find flights from St. Louis to Reykjavik with flexible booking policies on momondo?

Flights from St. Louis 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 St. Louis to Reykjavik?

Once all potential St. Louis to Reykjavik flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of St. Louis 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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