$490 Cheap flights from Lambert-St. Louis Intl. to Keflavik Intl. (STL to KEF)

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Find The Best Dates To Fly from Lambert-St. Louis Intl. to Keflavik Intl.

Compare Flight Prices from St. Louis to Reykjavik

Affordable Airfare Tickets from STL to KEF Airport

The cheapest flights to Keflavik Intl. found within the past 7 days were $631 round trip and $490 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Aug 16 - Tue, Aug 26
STL
St. Louis
KEF
Reykjavik
$631 Roundtrip, found 2 days ago
$631
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Aug 16 from St. Louis to Reykjavik, returning Tue, Aug 26, priced at $631 found 2 days ago
Wed, Aug 13 - Fri, Aug 22
STL
St. Louis
KEF
Reykjavik
$631 Roundtrip, found 2 days ago
$631
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Aug 13 from St. Louis to Reykjavik, returning Fri, Aug 22, priced at $631 found 2 days ago
Sat, Aug 16 - Tue, Aug 26
STL
St. Louis
KEF
Reykjavik
$646 Roundtrip, found 2 days ago
$646
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Aug 16 from St. Louis to Reykjavik, returning Tue, Aug 26, priced at $646 found 2 days ago
Tue, Mar 3 - Tue, Mar 10
STL
St. Louis
KEF
Reykjavik
$658 Roundtrip, found 6 days ago
$658
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Mar 3 from St. Louis to Reykjavik, returning Tue, Mar 10, priced at $658 found 6 days ago
Sat, Aug 16 - Tue, Aug 26
STL
St. Louis
KEF
Reykjavik
$663 Roundtrip, found 2 days ago
$663
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sat, Aug 16 from St. Louis to Reykjavik, returning Tue, Aug 26, priced at $663 found 2 days ago
Sat, Jan 31 - Tue, Feb 10
STL
St. Louis
KEF
Reykjavik
$667 Roundtrip, found 3 days ago
$667
Roundtrip
found 3 days ago
Select British Airways flight, departing Sat, Jan 31 from St. Louis to Reykjavik, returning Tue, Feb 10, priced at $667 found 3 days ago
Wed, Aug 20 - Thu, Aug 28
STL
St. Louis
KEF
Reykjavik
$668 Roundtrip, found 3 days ago
$668
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Aug 20 from St. Louis to Reykjavik, returning Thu, Aug 28, priced at $668 found 3 days ago
Sat, Jan 31 - Tue, Feb 10
STL
St. Louis
KEF
Reykjavik
$669 Roundtrip, found 3 days ago
$669
Roundtrip
found 3 days ago
Select British Airways flight, departing Sat, Jan 31 from St. Louis to Reykjavik, returning Tue, Feb 10, priced at $669 found 3 days ago
Thu, Aug 14 - Thu, Aug 21
STL
St. Louis
KEF
Reykjavik
$675 Roundtrip, found 2 days ago
$675
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Aug 14 from St. Louis to Reykjavik, returning Thu, Aug 21, priced at $675 found 2 days ago
Thu, Aug 14 - Thu, Aug 21
STL
St. Louis
KEF
Reykjavik
$681 Roundtrip, found 2 days ago
$681
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Aug 14 from St. Louis to Reykjavik, returning Thu, Aug 21, priced at $681 found 2 days ago

Keflavik Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
City Center Hotel

City Center Hotel

3 out of 5
per person
Jun 6 - Jun 8
found 1 day ago
Roundtrip non-stop flight included
St. Louis (STL) to Reykjavik (KEF)
Tower Suites Reykjavik

Tower Suites Reykjavik

4.5 out of 5
per person
Jun 6 - Jun 8
found 1 day ago
Roundtrip non-stop flight included
St. Louis (STL) to Reykjavik (KEF)
Reykjavik Residence Hotel

Reykjavik Residence Hotel

4 out of 5
per person
Jun 6 - Jun 8
found 1 day ago
Roundtrip non-stop flight included
St. Louis (STL) to Reykjavik (KEF)
ODDSSON Midtown Hotel

ODDSSON Midtown Hotel

3.5 out of 5
per person
Jun 6 - Jun 8
found 1 day ago
Roundtrip non-stop flight included
St. Louis (STL) to Reykjavik (KEF)
Black Pearl Luxury Apartments

Black Pearl Luxury Apartments

4.5 out of 5
per person
Jun 6 - Jun 8
found 1 day ago
Roundtrip non-stop flight included
St. Louis (STL) to Reykjavik (KEF)
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Frequently asked questions

Can I catch a flight from Lambert Field to KEF right now?
Ensure you check out our Covid-19 Travel Advisor to find out if there are any current travel advice reports or quarantine requirements in effect in KEF when flying in from St. Louis Lambert International Airport.
Are there direct flights from STL to Keflavik Intl. Airport (KEF)?
Unfortunately, there are no nonstop flights from STL to Keflavik Intl. Airport (KEF). However, there are airlines that operate flights with just one stopover. Have a look at United Airlines, Air Canada and Delta.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Keflavik Intl. Airport (KEF), please visit our Customer Service Portal.
How long is the flight from Lambert-St. Louis Intl. Airport (STL) to Keflavik Intl. Airport (KEF)?
The flight time between Lambert-St. Louis Intl. Airport (STL) and Keflavik Intl. Airport (KEF) is ordinarily around 7 hours and 41 minutes. Make your journey enjoyable by saving a few podcasts on your phone or laptop and enjoying them with your seat fully reclined.
What is the flight distance from Lambert Field to Reykjavík--Keflavík Airport?
From Lambert Field to Reykjavík–Keflavík Airport, the flight distance is 3,200 mi. So, it’ll be smart to have a range of entertainment to choose from. Movies, books, puzzles … Whatever you prefer. If you’re adequately prepared, it won’t feel like too long before you hear the call for landing.
What airlines fly from STL to KEF?
With no direct flights available, it’s a wise idea to plan well in advance when traveling between St. Louis Lambert International Airport and Keflavik Intl. Airport (KEF). Find a convenient route with minimal layovers and save yourself some time.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Icelandair, Wizz Air or SAS you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Flight information from St. Louis to Reykjavik

 

Traveling From
Lambert-St. Louis Intl.
Traveling To
Keflavik Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$631

Route Info

Flight path for flights from Lambert-St. Louis International Airport to Keflavik International Airport.


Origin:
STL - Lambert-St. Louis International Airport
Destination:
KEF - Keflavik International Airport
Distance:
3,402.00 miles


Discover our best flights from St. Louis STL to Reykjavik KEF. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from St. Louis STL to Reykjavik KEF at the right price  

Airfares to Reykjavik KEF from St. Louis STL currently cost between $631 and $681. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from St. Louis STL to Reykjavik KEF 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from St. Louis STL to Reykjavik KEF on Travelocity starting at $490. Prices and availability subject to change. Additional terms may apply. 

 

Get to Reykjavik KEF from St. Louis STL quicker with direct flights. 

Get to Reykjavik faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to KEF from STL to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from St. Louis STL to Reykjavik KEF

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to KEF from STL. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from St. Louis STL to Reykjavik KEF today 

If you’re flexible about when you travel, August is usually the cheapest month to fly from St. Louis STL to Reykjavik KEF. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Reykjavik KEF from St. Louis STL 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to KEF from STL have this option.  

 

Travel with confidence when you book flights to Reykjavik KEF from St. Louis STL with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.