CA $711 Cheap Flights from St. Louis (STL) to Reykjavik (KEF)

Popular airlines from Lambert-St. Louis International Airport (STL) to Keflavik International Airport (KEF)

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Cheap flights from St. Louis (STL) to Reykjavik (KEF)

Prices were available within the past 7 days and start at CA $711 for one-way flights and CA $1,534 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Air Canada
Virgin Atlantic
British Airways
Virgin Atlantic
Virgin Atlantic
British Airways
Virgin Atlantic
Lufthansa
Finnair

Find the cheapest month to fly from St. Louis (STL) to Reykjavik (KEF)

April is typically the cheapest month to fly

From CA $668 - CA $1,916 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Reykjavik (STL - KEF) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Keflavik Intl.
Roundtrip price
CA $1,534
Distance
5108 km

St. Louis to Suðurnesjabær Flights

The easy way to book your flights from St. Louis to Reykjavik 

With Expedia, it’s simple to find and book flights to Reykjavik from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Keflavik Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Reykjavik today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Keflavik Intl., KEF 

Sort your search results by price to find great deals on your flight from St. Louis to Reykjavik—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Reykjavik from St. Louis currently is just CA $1,534 rising to CA $2,491.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Reykjavik  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Reykjavik from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Reykjavik with Expedia today.

Frequently asked questions

How much is a flight from Lambert Field to Keflavik Intl. Airport (KEF)?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between STL and KEF start from CA $1,534. Book ASAP to score the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to Keflavik Intl. Airport (KEF)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from STL to Reykjavík–Keflavík Airport that have flexible change policies?
Flights from Lambert Field to Keflavik Intl. Airport (KEF) with flexible change policies are available with many airlines. Simply use our "No change fees" filter during your search. You'll only need to pay the cost difference between flights, without any additional fees to worry about.
How many hours is the flight from Lambert Field to KEF?
The flight time from Lambert-St. Louis Intl. Airport (STL) to KEF is generally 12 hours and 45 minutes. It's is no quick joyride, so remember to fill your hand luggage with whatever you need to keep you entertained.
How far is the flight from Lambert Field to Reykjavík–Keflavík Airport?
With around 5,100 kilometres separating St. Louis and Iceland, your flight will be a long one. Pack wisely and make your time on board comfortable. Simple things like a spare pair of socks and a quality neck pillow should be in your carry-on bag.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Reykjavík–Keflavík Airport?
Unfortunately, there are no airlines that directly fly between STL and Keflavik Intl. Airport (KEF). You'll need to book a flight with at least one stop.
Are Lambert Field to Reykjavík–Keflavík Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to nab a fantastic last-minute deal from Lambert-St. Louis Intl. Airport (STL) to Reykjavík–Keflavík Airport, but there's no guarantee. As many airlines release prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can rest assured you're always seeing the latest offers.

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