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Cheap Flights from St. Louis to Reykjavik $426.55

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

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from St. Louis to Reykjavik (STL to KEF)

Question : Interested in traveling in the next 30 days and want to get the lowest fare?
Answer : As of January 23rd, the cheapest day to fly from Saint Louis to Reykjavik is February 19th. Tickets have been sold for 59% below the average price for this route.

Question : How long are most people's visits to Reykjavik when they fly in from Saint Louis?
Answer : Over the next two months, travelers from STL to KEF are planning on staying for seven days on average.

Question : Is price more important than specific travel days for you?
Answer : Thursday is your cheapest day to fly in February. Being flexible with your travel days garners you even more savings during your booking.

Question : Which airline is giving the best deals for round-trip flights from Lambert-St. Louis International Airport (STL) to Keflavik International Airport (KEF)?
Answer : is your best bet for finding that coveted low fare.