Skip to main content
Beginning of main content

Cheap Flights from St. Louis to Reykjavik $561.4

Search over 282,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia’s Price Pledge
No Expedia cancellation fee to change or cancel almost any hotel reservation.

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 : Should you take that vacation to Reykjavik in the next 30 days?
Answer : As of December 5th, the cheapest day to fly from Saint Louis to Reykjavik is December 21st. Tickets have been sold for 44% 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 : Of course you're not most people, but if you were, you'd stay roughly six days.

Question : If your plans are flexible, have you considered changing your departure day?
Answer : For the month of December, the cheapest day to fly is Thursday. Flexibility is paramount when booking travel plans in order to keep costs down.

Question : How often is the price changing when booking a trip from Lambert-St. Louis International Airport (STL) to Keflavik International Airport (KEF)?
Answer : Prices for STL to KEF do change a lot more than most. Remember, the sooner you book, the more you're able to save.