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Cheap flights from St. Louis to Reykjavik Keflavik Intl Airport from $495

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.
KLM Logo
10:45 am - 6:20 amSTL-KEF
14h 35m1 stop
KLM Logo
8:50 am - 8:49 pmKEF-STL
16h 59m1 stop
$708KLM
Find Deal
lun., may. 12 - mar., may. 20
 Logo
3:40 pm - 9:30 amSTL-KEF
12h 50m2 stops
 Logo
8:50 am - 11:38 pmKEF-STL
19h 48m2 stops
lun., may. 12 - mar., may. 20
 Logo
1:30 pm - 1:05 pmSTL-KEF
18h 35m2 stops
 Logo
12:25 am - 7:58 pmKEF-STL
24h 33m2 stops
lun., may. 12 - lun., may. 19
 Logo
7:30 am - 1:05 pmSTL-KEF
24h 35m2 stops
 Logo
12:25 am - 7:58 pmKEF-STL
24h 33m2 stops
lun., may. 12 - lun., may. 19
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
$741Air Canada
Find Deal
dom., ago. 24 - lun., sep. 1
United Airlines Logo
6:35 am - 8:30 amSTL-KEF
20h 55m1 stop
United Airlines Logo
10:00 am - 10:34 amKEF-STL
53h 34m2 stops
$755United Airlines
Find Deal
dom., sep. 14 - dom., sep. 28
Air Canada Logo
1:30 pm - 8:35 amSTL-KEF
14h 05m2 stops
Air Canada Logo
10:00 am - 7:33 pmKEF-STL
38h 33m2 stops
$764Air Canada
Find Deal
dom., sep. 14 - dom., sep. 28
Delta Logo
6:45 am - 6:20 amSTL-KEF
18h 35m1 stop
Delta Logo
8:45 am - 8:35 pmKEF-STL
16h 50m1 stop
$766Delta
Find Deal
dom., sep. 14 - dom., sep. 28
British Airways Logo
8:26 am - 9:40 amSTL-KEF
44h 14m2 stops
British Airways Logo
10:45 am - 11:49 pmKEF-STL
42h 04m2 stops
$782British Airways
Find Deal
mié., oct. 8 - lun., oct. 13
United Airlines Logo
11:20 am - 8:30 amSTL-KEF
16h 10m1 stop
United Airlines Logo
10:00 am - 6:59 pmKEF-STL
37h 59m2 stops
$799United Airlines
Find Deal
lun., ago. 25 - jue., sep. 4

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
Oct 15
STL12:28 pmLambert-St Louis
30h 42m
2 stops
KEF12:10 amReykjavik Keflavik Intl
Oct 19
KEF12:25 amReykjavik Keflavik Intl
44h 13m
2 stops
STL3:38 pmLambert-St Louis
Lufthansa
Oct 8
STL12:28 pmLambert-St Louis
30h 42m
2 stops
KEF12:10 amReykjavik Keflavik Intl
Oct 12
KEF12:25 amReykjavik Keflavik Intl
44h 13m
2 stops
STL3:38 pmLambert-St Louis
Lufthansa
Aug 24
STL11:20 amLambert-St Louis
16h 10m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Aug 31
KEF12:25 amReykjavik Keflavik Intl
20h 19m
2 stops
STL3:44 pmLambert-St Louis

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

Our best Alaska Airlines deals on St. Louis to Reykjavik Keflavik Intl Airport flight tickets
Alaska Airlines
Oct 15
STL7:00 amLambert-St Louis
21h 25m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Oct 20
KEF7:45 pmReykjavik Keflavik Intl
33h 11m
1 stop
STL11:56 pmLambert-St Louis
Alaska Airlines
Oct 12
STL7:00 amLambert-St Louis
21h 25m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Oct 17
KEF4:50 pmReykjavik Keflavik Intl
26h 02m
2 stops
STL1:52 pmLambert-St Louis
Alaska Airlines
Oct 4
STL7:00 amLambert-St Louis
21h 25m
1 stop
KEF9:25 amReykjavik Keflavik Intl
Oct 9
KEF7:45 pmReykjavik Keflavik Intl
33h 11m
1 stop
STL11:56 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

$495

Fastest flight time

8h 30m

Direct flights

None
The best one-way flight to Reykjavik Keflavik Intl Airport from St. Louis in the past 72 hours is $495. The best round-trip flight deal from St. Louis to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $708.
The fastest flight from St. Louis to Reykjavik Keflavik Intl Airport takes 8h 30m
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 8h 30m 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
9,195 reviews
Search Air Canada flights
United AirlinesPriceFrom $626Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
DeltaPriceFrom $655Free CancellationRating
8.0
7,919 reviews
Search Delta flights
KLMPriceFrom $856Free CancellationRating
7.8
1,333 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

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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