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Cheap flights from St. Louis to Reykjavik Keflavik Intl Airport from $652

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Reykjavik Keflavik Intl Airport 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 St. Louis to Reykjavik

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Reykjavik that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from St. Louis to Reykjavik.

Cheap last minute flights

Planning a quick getaway from St. Louis to Reykjavik? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Reykjavik, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from St. Louis to Reykjavik

Find recent round-trip train or bus tickets from St. Louis to Reykjavik.

All round-trip flight deals to Reykjavik

The cheapest plane tickets to Reykjavik found on KAYAK recently.
10:45 am - 9:30 amSTL-KEF
17h 45m2 stops
11:15 am - 11:38 pmKEF-STL
17h 23m2 stops
$652Delta
Find Deal
Mon, May 12 - Tue, May 20
10:10 am - 9:30 amSTL-KEF
18h 20m2 stops
11:15 am - 9:09 pmKEF-STL
14h 54m2 stops
$767Delta
Find Deal
Tue, Apr 1 - Tue, Apr 8
1:27 pm - 11:30 pmSTL-KEF
29h 03m2 stops
2:10 pm - 1:30 pmKEF-STL
28h 20m1 stop
$819Lufthansa
Find Deal
Tue, Apr 1 - Tue, Apr 8
2:18 pm - 6:20 amSTL-KEF
11h 02m1 stop
11:15 am - 11:38 pmKEF-STL
17h 23m2 stops
$870KLM
Find Deal
Mon, May 12 - Tue, May 20
1:27 pm - 11:30 pmSTL-KEF
29h 03m2 stops
12:25 am - 3:21 pmKEF-STL
43h 56m2 stops
$891Lufthansa
Find Deal
Tue, Apr 1 - Mon, Apr 7
12:52 pm - 3:25 pmSTL-KEF
20h 33m2 stops
7:35 am - 11:37 pmKEF-STL
22h 02m2 stops
$923Scandinavian Airlines
Find Deal
Fri, Feb 21 - Wed, Feb 26
9:40 am - 11:20 pmSTL-KEF
32h 40m2 stops
12:25 am - 7:43 pmKEF-STL
24h 18m2 stops
Mon, May 12 - Mon, May 19
1:27 pm - 11:30 pmSTL-KEF
29h 03m2 stops
12:25 am - 3:06 pmKEF-STL
43h 41m2 stops
Thu, Apr 17 - Mon, Apr 21
2:00 pm - 11:20 pmSTL-KEF
27h 20m2 stops
3:40 pm - 11:38 pmKEF-STL
37h 58m2 stops
$1,047Scandinavian Airlines
Find Deal
Fri, Jan 10 - Sat, Jan 18
10:45 am - 6:20 amSTL-KEF
14h 35m1 stop
8:50 am - 8:33 pmKEF-STL
16h 43m1 stop
$1,083KLM
Find Deal
Mon, May 12 - Tue, May 20
STL-KEF
3191 mimulti-stop
Multiple Airlines
Find Deal
5:38 pm - 6:05 amSTL-KEF
30h 27m1 stop
4:45 pm - 12:10 pmKEF-STL
25h 25m2 stops
$1,295
Find Deal
Sun, Nov 24 - Tue, Nov 26
1:34 pm - 6:05 amSTL-KEF
34h 31m1 stop
4:55 pm - 8:34 amKEF-STL
21h 39m1 stop
$1,304
Find Deal
Sun, Nov 24 - Tue, Nov 26
10:01 am - 10:55 amSTL-KEF
18h 54m3 stops
11:45 am - 8:43 amKEF-STL
26h 58m2 stops
$1,418
Find Deal
Sun, Nov 24 - Tue, Nov 26
9:20 am - 10:55 amSTL-KEF
19h 35m2 stops
11:45 am - 8:43 amKEF-STL
26h 58m2 stops
$1,434American Airlines
Find Deal
Sun, Nov 24 - Tue, Nov 26
3:44 pm - 10:55 amSTL-KEF
37h 11m2 stops
6:20 pm - 8:24 pmKEF-STL
32h 04m2 stops
$1,622British Airways
Find Deal
Sun, Nov 24 - Sun, Dec 1
5:21 pm - 5:00 amSTL-KEF
29h 39m3 stops
12:45 am - 12:10 pmKEF-STL
41h 25m3 stops
$2,179
Find Deal
Sun, Nov 24 - Sat, Nov 30
5:21 pm - 5:00 amSTL-KEF
29h 39m2 stops
12:45 am - 12:10 pmKEF-STL
41h 25m3 stops
$2,215
Find Deal
Sun, Nov 24 - Sat, Nov 30
1:34 pm - 6:05 amSTL-KEF
34h 31m1 stop
3:15 pm - 3:12 pmKEF-STL
53h 57m2 stops
$2,308
Find Deal
Sun, Nov 24 - Sun, Dec 1
5:21 pm - 5:00 amSTL-KEF
29h 39m3 stops
7:35 am - 11:30 amKEF-STL
33h 55m3 stops
$2,458
Find Deal
Sun, Nov 24 - Sun, Dec 1
5:21 pm - 5:00 amSTL-KEF
29h 39m2 stops
7:35 am - 11:30 amKEF-STL
33h 55m3 stops
$2,493
Find Deal
Sun, Nov 24 - Sun, Dec 1

Delta flights from St. Louis to Reykjavik Keflavik Intl Airport

Our best Delta deals on St. Louis to Reykjavik Keflavik Intl Airport flight tickets
Delta
May 12
STL10:45 amLambert-St Louis
17h 45m
2 stops
KEF9:30 amReykjavik Keflavik Intl
May 20
KEF11:15 amReykjavik Keflavik Intl
17h 23m
2 stops
STL11:38 pmLambert-St Louis
Delta
Apr 1
STL10:10 amLambert-St Louis
18h 20m
2 stops
KEF9:30 amReykjavik Keflavik Intl
Apr 8
KEF11:15 amReykjavik Keflavik Intl
14h 54m
2 stops
STL9:09 pmLambert-St Louis

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
Apr 1
STL1:27 pmLambert-St Louis
29h 03m
2 stops
KEF11:30 pmReykjavik Keflavik Intl
Apr 8
KEF2:10 pmReykjavik Keflavik Intl
28h 20m
1 stop
STL1:30 pmLambert-St Louis
Lufthansa
Apr 1
STL1:27 pmLambert-St Louis
29h 03m
2 stops
KEF11:30 pmReykjavik Keflavik Intl
Apr 7
KEF12:25 amReykjavik Keflavik Intl
43h 56m
2 stops
STL3:21 pmLambert-St Louis
Lufthansa
Apr 17
STL1:27 pmLambert-St Louis
29h 03m
2 stops
KEF11:30 pmReykjavik Keflavik Intl
Apr 22
KEF2:10 pmReykjavik Keflavik Intl
28h 20m
1 stop
STL1:30 pmLambert-St Louis

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

The cheapest day to depart from St. Louis to Reykjavik Keflavik Intl Airport is on a Sunday when prices can be found for as low as $746. The most expensive day to fly to Reykjavik Keflavik Intl Airport is Thursday, with ticket prices averaging around $1,102.

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 evening when flights can be purchased for as low as $0. Flights in the afternoon are often more expensive with an average ticket price of $1,037.

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

$652

Fastest flight time

9h 35m

Direct flights

None
The best flight deal from St. Louis to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $652
The fastest flight from St. Louis to Reykjavik Keflavik Intl Airport takes 9h 35m
There are no direct flights from St. Louis to Reykjavik Keflavik Intl Airport. Popular non-direct route for this connection is Lambert-St Louis Airport - 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 35m 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 $595Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
Air CanadaPriceFrom $645Free CancellationRating
7.0
8,246 reviews
Search Air Canada flights
DeltaPriceFrom $666Free CancellationRating
8.0
8,755 reviews
Search Delta flights

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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