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Cheap flights from St. Louis to Reykjavik Keflavik Intl Airport from $510

This is the cheapest one-way 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 8/27. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Reykjavik.
 Logo
4:52 pm - 8:00 amSTL-KEF
34h 08m2 stops
 Logo
8:45 am - 8:50 amKEF-STL
29h 05m2 stops
Mon, Aug 25 - Thu, Sep 4
Air Canada Logo
9:15 am - 8:15 amSTL-KEF
18h 00m1 stop
Air Canada Logo
10:00 am - 7:57 pmKEF-STL
38h 57m2 stops
$847Air Canada
Find Deal
Sun, Aug 24 - Mon, Sep 1
 Logo
9:50 am - 6:05 amSTL-KEF
15h 15m3 stops
 Logo
3:45 pm - 6:41 pmKEF-STL
31h 56m3 stops
Sat, May 3 - Sat, May 10
KLM Logo
10:45 am - 6:20 amSTL-KEF
14h 35m1 stop
KLM Logo
8:50 am - 4:47 pmKEF-STL
12h 57m1 stop
$873KLM
Find Deal
Mon, May 12 - Tue, May 20
United Airlines Logo
9:17 am - 8:30 amSTL-KEF
18h 13m1 stop
United Airlines Logo
10:00 am - 6:13 pmKEF-STL
37h 13m2 stops
$882United Airlines
Find Deal
Mon, Aug 25 - Thu, Sep 4
Lufthansa Logo
5:30 pm - 11:35 pmSTL-KEF
25h 05m2 stops
Lufthansa Logo
12:25 am - 3:44 pmKEF-STL
20h 19m2 stops
$895Lufthansa
Find Deal
Sun, Aug 24 - Sun, Aug 31
United Airlines Logo
1:30 pm - 8:10 amSTL-KEF
13h 40m1 stop
United Airlines Logo
12:00 pm - 4:26 pmKEF-STL
33h 26m2 stops
$904United Airlines
Find Deal
Thu, Aug 21 - Mon, Sep 1
Lufthansa Logo
3:30 pm - 11:35 pmSTL-KEF
27h 05m1 stop
Lufthansa Logo
12:25 am - 3:44 pmKEF-STL
20h 19m2 stops
$967Lufthansa
Find Deal
Sun, Aug 24 - Sun, Aug 31
KLM Logo
10:45 am - 6:20 amSTL-KEF
14h 35m1 stop
KLM Logo
9:30 am - 2:16 pmKEF-STL
9h 46m1 stop
$971KLM
Find Deal
Tue, Jul 8 - Mon, Jul 14
Delta Logo
12:10 pm - 6:20 amSTL-KEF
13h 10m2 stops
Delta Logo
8:50 am - 8:47 pmKEF-STL
16h 57m2 stops
$975Delta
Find Deal
Tue, Jul 8 - Mon, Jul 14

Air Canada flights from St. Louis to Reykjavik Keflavik Intl Airport

Our best Air Canada deals on St. Louis to Reykjavik Keflavik Intl Airport flight tickets
Air Canada
Aug 24
STL9:15 amLambert-St Louis
18h 00m
1 stop
KEF8:15 amReykjavik Keflavik Intl
Sep 1
KEF10:00 amReykjavik Keflavik Intl
38h 57m
2 stops
STL7:57 pmLambert-St Louis
Air Canada
Aug 21
STL1:30 pmLambert-St Louis
13h 40m
1 stop
KEF8:10 amReykjavik Keflavik Intl
Sep 1
KEF10:00 amReykjavik Keflavik Intl
14h 40m
1 stop
STL7:40 pmLambert-St Louis
Air Canada
Sep 14
STL4:05 pmLambert-St Louis
11h 30m
1 stop
KEF8:35 amReykjavik Keflavik Intl
Sep 28
KEF10:00 amReykjavik Keflavik Intl
14h 57m
1 stop
STL7:57 pmLambert-St Louis

KLM flights from St. Louis to Reykjavik Keflavik Intl Airport

Our best KLM deals on St. Louis to Reykjavik Keflavik Intl Airport flight tickets
KLM
May 12
STL10:45 amLambert-St Louis
14h 35m
1 stop
KEF6:20 amReykjavik Keflavik Intl
May 20
KEF8:50 amReykjavik Keflavik Intl
12h 57m
1 stop
STL4:47 pmLambert-St Louis
KLM
Jul 8
STL10:45 amLambert-St Louis
14h 35m
1 stop
KEF6:20 amReykjavik Keflavik Intl
Jul 14
KEF9:30 amReykjavik Keflavik Intl
9h 46m
1 stop
STL2:16 pmLambert-St Louis
KLM
Jun 3
STL10:05 amLambert-St Louis
15h 15m
2 stops
KEF6:20 amReykjavik Keflavik Intl
Jun 24
KEF9:30 amReykjavik Keflavik Intl
10h 03m
1 stop
STL2:33 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 typical price of a round-trip flight between St. Louis and Reykjavik Keflavik Intl Airport?

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

The month of April is, on average, the cheapest month to fly to Reykjavik Keflavik Intl Airport from St. Louis, with most prices found around $771. If you’re not able to fly to Reykjavik Keflavik Intl Airport in April, then December is your next best option. Flight prices from St. Louis to Reykjavik Keflavik Intl Airport during December average around $778.

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 Wednesday when prices can be found for as low as $792. 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 morning when flights can be purchased for as low as $835. Flights in the afternoon are often more expensive with an average ticket price of $1,022.

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

$510

Fastest flight time

10h 00m

Direct flights

None
The best one-way flight to Reykjavik Keflavik Intl Airport from St. Louis in the past 72 hours is $510. The best round-trip flight deal from St. Louis to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $837.
The fastest flight from St. Louis to Reykjavik Keflavik Intl Airport takes 10h 00m
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 10h 00m 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
Air CanadaPriceFrom $566Free CancellationRating
7.0
9,029 reviews
Search Air Canada flights
United AirlinesPriceFrom $626Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
DeltaPriceFrom $655Free CancellationRating
8.0
7,897 reviews
Search Delta flights
KLMPriceFrom $856Free CancellationRating
7.8
1,323 reviews
Search KLM flights

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Keflavik
Grindavik

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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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