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

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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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)
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How to find the cheapest flight from St Louis (STL) to Reykjavik (KEF)
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How to find the cheapest flight from St Louis (STL) to Reykjavik (KEF)
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Cheap flights from St Louis to Reykjavik in April , May 2026

24 Apr - 24 May $ 1,040.00
STL
St Louis
Alaska Airlines
1 STOPS
KEF
Reykjavik
KEF
Reykjavik
Alaska Airlines
1 STOPS
STL
St Louis
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20 Apr - 20 May $ 1,057.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
3 STOPS
STL
St Louis
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24 Apr - 20 May $ 1,058.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
3 STOPS
STL
St Louis
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Last minute flights from St Louis to Reykjavik

22 Apr - 01 May $ 1,161.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
2 STOPS
STL
St Louis
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20 Apr - 01 May $ 1,252.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
2 STOPS
STL
St Louis
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24 Apr - 01 May $ 1,252.00
STL
St Louis
Frontier Airlines
2 STOPS
KEF
Reykjavik
KEF
Reykjavik
Frontier Airlines
2 STOPS
STL
St Louis
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One-way flights to Reykjavik from St Louis

8:23 PM - 8:25 PM
Icelandair
2 Stops
28h 52m
STL - KEF
$ 541
Kiwi
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9:50 AM - 8:55 PM
Icelandair
2 Stops
17h 50m
STL - KEF
$ 632
Kiwi
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9:50 AM - 8:55 PM
Icelandair
2 Stops
17h 50m
STL - KEF
$ 633
Kiwi
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How to find the cheapest flight from St Louis (STL) to Reykjavik (KEF)

Related info for your journey
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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.