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

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Reykjavik–Keflavik Intl. Airport (KEF)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Keflavik Intl. Airport (KEF) last minute?
When it's time to book your flights, being organized pays off. While you may be able to score a last-minute deal on a STL to Keflavik Intl. Airport (KEF) flight, tickets usually don't get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international travel it's three to four months.
What airports do you fly into for Reykjavik from St. Louis?
You have two options when jetting from St. Louis to Reykjavik — Keflavik Intl. Airport (KEF) and Reykjavik Domestic Airport (RKV). If you choose Keflavik Intl. Airport (KEF) you'll be around 40 kilometers to the southwest of central Reykjavik. Make a beeline for your hotel, then get out and sample the local sights. Hallgrimskirkja and Reykjavik City Hall are just two of this city's most renowned attractions.
Can I change the date of my flight from STL to Keflavik Intl. Airport (KEF)?
Life can throw a spanner in your plans, so Expedia is here to help make amending your flight as easy as possible. To start, find your STL to Keflavik Intl. Airport (KEF) itinerary through the Expedia Trips portal and read the fare rules about what changes can be made. If you booked your airfare in the last 24 hours, some airlines will let you cancel without charge and organize new flights. If you booked more than 24 hours ago, connect with us through our Customer Service portal to find out your options.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Keflavik Intl.
Distance
5108 km

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