Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from St Louis (STL) to Reykjavik (KEF)

How to find the cheapest flight from St Louis (STL) to Reykjavik (KEF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Reykjavik (KEF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Reykjavik (KEF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from St Louis to Reykjavik in November , December 2026

25 Nov - 04 Dec $ 1,076.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
2 STOPS
STL
St Louis
Pick dates
25 Nov - 09 Dec $ 1,096.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
2 STOPS
STL
St Louis
Pick dates
25 Nov - 11 Dec $ 1,126.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
2 STOPS
STL
St Louis
Pick dates

Last minute flights from St Louis to Reykjavik

25 Nov - 01 Dec $ 1,427.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
2 STOPS
STL
St Louis
Pick dates
27 Nov - 01 Dec $ 1,490.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
2 STOPS
STL
St Louis
Pick dates
24 Nov - 01 Dec $ 1,491.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
2 STOPS
STL
St Louis
Pick dates

One-way flights to Reykjavik from St Louis

3:30 PM - 4:25 PM
easyJet
3 Stops
21h 50m
STL - KEF
$ 669
Kiwi
Pick dates
4:05 PM - 2:25 PM
easyJet
2 Stops
19h 45m
STL - KEF
$ 725
Kiwi
Pick dates
4:05 PM - 11:55 AM
Icelandair
2 Stops
17h 10m
STL - KEF
$ 726
Kiwi
Pick dates

How to find the cheapest flight from St Louis (STL) to Reykjavik (KEF)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Reykjavik (KEF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from St Louis (STL) to Reykjavik (KEF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.