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Cheap flights from St. Louis to Reykjavik Keflavik Intl Airport from $500

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 6/14. 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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Fri 5/10

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Easily compare round-trip flights from St. Louis to Reykjavik Keflavik Intl Airport

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Reykjavik Keflavik Intl Airport by changing tabs
Delta
Oct 14
STL10:10 amLambert-St Louis
15h 10m
1 stop
KEF6:20 amReykjavik Keflavik Intl
Oct 21
KEF8:50 amReykjavik Keflavik Intl
16h 41m
1 stop
STL8:31 pmLambert-St Louis
Multiple Airlines
Sep 20
STL6:34 amLambert-St Louis
20h 56m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Sep 28
KEF10:00 amReykjavik Keflavik Intl
34h 20m
2 stops
STL3:20 pmLambert-St Louis
Air Canada
Sep 20
STL4:05 pmLambert-St Louis
35h 30m
2 stops
KEF8:35 amReykjavik Keflavik Intl
Sep 28
KEF10:00 amReykjavik Keflavik Intl
34h 20m
2 stops
STL3:20 pmLambert-St Louis
United Airlines
Sep 20
STL8:05 amLambert-St Louis
19h 25m
1 stop
KEF8:30 amReykjavik Keflavik Intl
Sep 23
KEF10:00 amReykjavik Keflavik Intl
40h 28m
2 stops
STL9:28 pmLambert-St Louis
Austrian Airlines
Oct 2
STL11:17 amLambert-St Louis
31h 03m
2 stops
KEF11:20 pmReykjavik Keflavik Intl
Oct 8
KEF12:10 amReykjavik Keflavik Intl
27h 50m
2 stops
STL11:00 pmLambert-St Louis
Lufthansa
May 30
STL5:31 pmLambert-St Louis
24h 59m
2 stops
KEF11:30 pmReykjavik Keflavik Intl
Jun 7
KEF12:25 amReykjavik Keflavik Intl
20h 16m
2 stops
STL3:41 pmLambert-St Louis

Find the cheapest one-way flights from St. Louis to Reykjavik Keflavik Intl Airport

Multiple Airlines
Jun 14
STL7:29 pmLambert-St Louis
55h 46m
3 stops
KEF8:15 amReykjavik Keflavik Intl
Multiple Airlines
Jun 14
STL4:45 pmLambert-St Louis
32h 55m
2 stops
KEF6:40 amReykjavik Keflavik Intl
Multiple Airlines
Jun 14
STL5:36 pmLambert-St Louis
31h 24m
1 stop
KEF6:00 amReykjavik Keflavik Intl

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 $690Free CancellationRating
7.0
6,875 reviews
Search Air Canada flights
British AirwaysPriceFrom $695Free CancellationRating
6.8
6,896 reviews
Search British Airways flights
DeltaPriceFrom $723Free CancellationRating
8.0
10,932 reviews
Search Delta flights
United AirlinesPriceFrom $813Free CancellationRating
7.4
11,221 reviews
Search United Airlines flights

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
Oct 14
STL10:10 amLambert-St Louis
15h 10m
1 stop
KEF6:20 amReykjavik Keflavik Intl
Oct 21
KEF8:50 amReykjavik Keflavik Intl
16h 41m
1 stop
STL8:31 pmLambert-St Louis
Delta
Oct 14
STL10:00 amLambert-St Louis
15h 20m
2 stops
KEF6:20 amReykjavik Keflavik Intl
Oct 21
KEF8:50 amReykjavik Keflavik Intl
16h 41m
1 stop
STL8:31 pmLambert-St Louis
Delta
Jun 7
STL6:30 amLambert-St Louis
22h 00m
2 stops
KEF9:30 amReykjavik Keflavik Intl
Jun 18
KEF8:50 amReykjavik Keflavik Intl
16h 47m
1 stop
STL8:37 pmLambert-St Louis

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

Our best Austrian Airlines deals on St. Louis to Reykjavik Keflavik Intl Airport flight tickets
Austrian Airlines
Oct 2
STL11:17 amLambert-St Louis
31h 03m
2 stops
KEF11:20 pmReykjavik Keflavik Intl
Oct 8
KEF12:10 amReykjavik Keflavik Intl
27h 50m
2 stops
STL11:00 pmLambert-St Louis
Austrian Airlines
May 31
STL10:49 amLambert-St Louis
31h 31m
2 stops
KEF11:20 pmReykjavik Keflavik Intl
Jun 7
KEF12:10 amReykjavik Keflavik Intl
26h 36m
2 stops
STL9:46 pmLambert-St Louis

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 month to fly from St. Louis to Reykjavik Keflavik Intl Airport?

January. The cheapest time of year to fly to Reykjavik Keflavik Intl Airport from St. Louis is January. Most expensive is May

What is the cheapest day to depart St. Louis for Reykjavik Keflavik Intl Airport?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Thursday

When is the cheapest time to fly from St. Louis to Reykjavik Keflavik Intl Airport?

In the morning. St. Louis to Reykjavik Keflavik Intl Airport flights are approximately 9% more expensive at noon than in the morning

What is the cheapest airline that flies to Reykjavik Keflavik Intl Airport from St. Louis?

British Airways. Air Canada, British Airways, and Delta are the most popular carriers operating from St. Louis to Reykjavik Keflavik Intl Airport

How far in advance should you book St. Louis to Reykjavik Keflavik Intl Airport flights?

47 days before. The cheapest time to buy a flight from St. Louis to Reykjavik Keflavik Intl Airport is approximately 47 days to departure

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

$500

Fastest flight time

9h 59m

Direct flights

None
The best one-way flight to Reykjavik Keflavik Intl Airport from St. Louis in the past 72 hours is $500. The best round-trip flight deal from St. Louis to Reykjavik Keflavik Intl Airport found on momondo in the last 72 hours is $640.
The fastest flight from St. Louis to Reykjavik Keflavik Intl Airport takes 9h 59m
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 59m 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.


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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