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Cheap flights from St. Louis to Iceland from $402

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Iceland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:54 pm - 6:05 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
28h 11m1 stop Denver Intl
Multiple Airlines Logo
4:55 pm - 10:57 amKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
24h 02m1 stop Denver Intl
$709Multiple Airlines
Sat, Dec 5 - Fri, Dec 11
Multiple Airlines Logo
7:54 pm - 6:05 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
28h 11m1 stop Denver Intl
Multiple Airlines Logo
4:55 pm - 10:57 amKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
24h 02m1 stop Denver Intl
$743Multiple Airlines
Mon, Dec 7 - Sun, Dec 13
Multiple Airlines Logo
7:02 pm - 6:05 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
29h 03m1 stop Denver Intl
Multiple Airlines Logo
4:55 pm - 10:20 amKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
23h 25m1 stop Denver Intl
$745Multiple Airlines
Sat, Feb 13 - Fri, Feb 19
Multiple Airlines Logo
7:02 pm - 6:05 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
29h 03m1 stop Denver Intl
Multiple Airlines Logo
4:55 pm - 10:20 amKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
23h 25m1 stop Denver Intl
$745Multiple Airlines
Sat, Feb 13 - Thu, Feb 18
Multiple Airlines Logo
7:02 pm - 6:05 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
29h 03m1 stop Denver Intl
Multiple Airlines Logo
4:55 pm - 10:20 amKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
23h 25m1 stop Denver Intl
$756Multiple Airlines
Fri, Feb 12 - Thu, Feb 18
Multiple Airlines Logo
2:27 pm - 6:05 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
33h 38m2 stops Las Vegas Harry Reid Intl Denver Intl
Multiple Airlines Logo
4:55 pm - 10:57 amKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
24h 02m1 stop Denver Intl
$780Multiple Airlines
Sun, Dec 6 - Fri, Dec 11
Scandinavian Airlines Logo
3:40 pm - 4:15 pmSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
19h 35m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
Scandinavian Airlines Logo
5:05 pm - 11:39 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
35h 34m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$781Scandinavian Airlines
Wed, Apr 7 - Tue, Apr 13
Scandinavian Airlines Logo
2:33 pm - 10:50 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
38h 17m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
Scandinavian Airlines Logo
11:35 am - 9:38 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
40h 03m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$782Scandinavian Airlines
Mon, Dec 7 - Sun, Dec 13
United Airlines Logo
1:00 pm - 10:00 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
39h 00m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 9:23 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
15h 23m1 stop Chicago O'Hare Intl
$838United Airlines
Thu, Nov 26 - Thu, Dec 3
United Airlines Logo
8:00 am - 10:00 amSTL  Lambert-St Louis-KEF Reykjavik Keflavik Intl
44h 00m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
United Airlines Logo
12:00 pm - 8:57 pmKEF  Reykjavik Keflavik Intl-STL Lambert-St Louis
14h 57m2 stops Chicago O'Hare Intl Denver Intl
$838United Airlines
Thu, Nov 26 - Thu, Dec 3

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United Airlines flights from St. Louis to Iceland

Our best United Airlines deals on St. Louis to Iceland flight tickets
United Airlines
Nov 26
STL8:00 amLambert-St Louis
44h 00m
2 stops
KEF10:00 amReykjavik Keflavik Intl
Dec 3
KEF12:00 pmReykjavik Keflavik Intl
14h 57m
2 stops
STL8:57 pmLambert-St Louis
$838
United Airlines
Dec 10
STL10:45 amLambert-St Louis
41h 15m
2 stops
KEF10:00 amReykjavik Keflavik Intl
Dec 17
KEF12:00 pmReykjavik Keflavik Intl
14h 23m
2 stops
STL8:23 pmLambert-St Louis
$839
United Airlines
Nov 6
STL6:50 pmLambert-St Louis
9h 10m
1 stop
KEF10:00 amReykjavik Keflavik Intl
Nov 12
KEF12:00 pmReykjavik Keflavik Intl
13h 23m
1 stop
STL7:23 pmLambert-St Louis
$871

Lufthansa flights from St. Louis to Iceland

Our best Lufthansa deals on St. Louis to Iceland flight tickets
Lufthansa
Nov 24
STL6:50 pmLambert-St Louis
37h 35m
2 stops
KEF2:25 pmReykjavik Keflavik Intl
Dec 1
KEF3:20 pmReykjavik Keflavik Intl
28h 25m
1 stop
STL1:45 pmLambert-St Louis
$827
Lufthansa
Dec 8
STL6:55 pmLambert-St Louis
37h 30m
2 stops
KEF2:25 pmReykjavik Keflavik Intl
Dec 15
KEF3:20 pmReykjavik Keflavik Intl
28h 25m
1 stop
STL1:45 pmLambert-St Louis
$828
Lufthansa
Dec 8
STL6:55 pmLambert-St Louis
37h 30m
2 stops
KEF2:25 pmReykjavik Keflavik Intl
Dec 15
KEF3:20 pmReykjavik Keflavik Intl
36h 03m
2 stops
STL9:23 pmLambert-St Louis
$832

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Sat 12/5

7:54 pm-6:05 am

1 stop28h 11m

Reykjavik Keflavik Intl

Fri 12/11

4:55 pm-10:57 am

1 stop24h 02m

$709

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Mon 12/7

7:54 pm-6:05 am

1 stop28h 11m

Reykjavik Keflavik Intl

Sun 12/13

4:55 pm-10:57 am

1 stop24h 02m

$743

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Sat 2/13

7:02 pm-6:05 am

1 stop29h 03m

Reykjavik Keflavik Intl

Fri 2/19

4:55 pm-10:20 am

1 stop23h 25m

$745

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Sat 2/13

7:02 pm-6:05 am

1 stop29h 03m

Reykjavik Keflavik Intl

Thu 2/18

4:55 pm-10:20 am

1 stop23h 25m

$745

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Fri 2/12

7:02 pm-6:05 am

1 stop29h 03m

Reykjavik Keflavik Intl

Thu 2/18

4:55 pm-10:20 am

1 stop23h 25m

$756

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Sun 12/6

2:27 pm-6:05 am

2 stops33h 38m

Reykjavik Keflavik Intl

Fri 12/11

4:55 pm-10:57 am

1 stop24h 02m

$780

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Wed 4/7

3:40 pm-4:15 pm

2 stops19h 35m

Reykjavik Keflavik Intl

Tue 4/13

5:05 pm-11:39 pm

2 stops35h 34m

$781

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Mon 12/7

2:33 pm-10:50 am

2 stops38h 17m

Reykjavik Keflavik Intl

Sun 12/13

11:35 am-9:38 pm

2 stops40h 03m

$782

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Thu 11/26

1:00 pm-10:00 am

2 stops39h 00m

Reykjavik Keflavik Intl

Thu 12/3

12:00 pm-9:23 pm

1 stop15h 23m

$838

St. LouisReykjavik

STL Lambert-St Louis - KEF Reykjavik Keflavik Intl

STLKEF

Lambert-St Louis

Thu 11/26

8:00 am-10:00 am

2 stops44h 00m

Reykjavik Keflavik Intl

Thu 12/3

12:00 pm-8:57 pm

2 stops14h 57m

$838

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Iceland from

How to get the cheapest flight ticket from St. Louis to Iceland

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 day to depart on your flight to Iceland?

The cheapest day to depart from St. Louis to Iceland is on a Wednesday when prices can be found for as low as $494. Flights from St. Louis to Iceland on a Monday will generally be more expensive and average around $628. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest Lambert-St Louis to Iceland flight route?

Fly from Lambert-St Louis to Reykjavik Keflavik Intl for the best Lambert-St Louis - Iceland flight prices

What cabin class options are available on St. Louis to Iceland flights?

There is only 1 cabin class available to choose from on St. Louis to Iceland 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 St. Louis to Iceland flights?

You could potentially save up to 50% on your flight if you consider stops on a St. Louis to Iceland flight.

Cheap St. Louis to Iceland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Iceland

Best Price Found

$402

Fastest flight time

10h 35m

Direct flights

None
The best one-way flight to Iceland from St. Louis in the past 72 hours is $402. The best round-trip flight deal from St. Louis to Iceland found on momondo in the last 72 hours is $709.
The fastest flight from St. Louis to Iceland takes 10h 35m
There are no direct flights from St. Louis to Iceland. There are no popular flight routes from St. Louis to Iceland.
Search flight deals

Frequently asked questions about flying from St. Louis to Iceland

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

    Prices for flights from Lambert-St Louis Airport to Iceland are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Iceland.

  • What documentation or ID do you need to fly to Iceland?

    The travel and health documents required for your trip to Iceland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Iceland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from St. Louis to Iceland?

Best airlines flying from St. Louis to Iceland

Compare and see reviews for airlines that fly from St. Louis to Iceland with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $783Free CancellationRating
7.3
10,453 reviews
Search United Airlines flights
DeltaPriceFrom $784Free CancellationRating
7.8
8,694 reviews
Search Delta flights

Why use momondo?

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

Finding the right flight to Iceland 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 Iceland quick and easy, saving you time and money.

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

Flights from St. Louis to Iceland 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 Iceland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Iceland.

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

Price alerts on flights to Iceland from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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