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Cheap flights from St Louis (STL) to Helsinki (HEL)

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0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from St Louis (STL) to Helsinki (HEL)

How to find the cheapest flight from St Louis (STL) to Helsinki (HEL)
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How to find the cheapest flight from St Louis (STL) to Helsinki (HEL)
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How to find the cheapest flight from St Louis (STL) to Helsinki (HEL)
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Cheap flights from St Louis to Helsinki in January , February 2026

31 Jan - 27 Feb $ 755.00
STL
St Louis
Frontier Airlines
2 STOPS
HEL
Helsinki
HEL
Helsinki
Frontier Airlines
2 STOPS
STL
St Louis
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31 Jan - 26 Feb $ 803.00
STL
St Louis
Frontier Airlines
2 STOPS
HEL
Helsinki
HEL
Helsinki
Frontier Airlines
2 STOPS
STL
St Louis
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26 Jan - 10 Feb $ 889.00
STL
St Louis
Finnair
1 STOPS
HEL
Helsinki
HEL
Helsinki
Finnair
1 STOPS
STL
St Louis
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Last minute flights from St Louis to Helsinki

26 Jan - 02 Feb $ 919.00
STL
St Louis
Frontier Airlines
2 STOPS
HEL
Helsinki
HEL
Helsinki
Frontier Airlines
3 STOPS
STL
St Louis
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26 Jan - 01 Feb $ 1,038.00
STL
St Louis
Hawaiian Airlines
2 STOPS
HEL
Helsinki
HEL
Helsinki
Hawaiian Airlines
3 STOPS
STL
St Louis
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26 Jan - 01 Feb $ 1,062.00
STL
St Louis
Frontier Airlines
2 STOPS
HEL
Helsinki
HEL
Helsinki
Frontier Airlines
3 STOPS
STL
St Louis
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One-way flights to Helsinki from St Louis

12:12 PM - 7:30 AM
Icelandair
2 Stops
16h 43m
STL - HEL
$ 326
Kiwi
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10:16 AM - 7:30 AM
Icelandair
2 Stops
18h 39m
STL - HEL
$ 361
Kiwi
Pick dates
11:18 AM - 7:30 AM
Icelandair
2 Stops
17h 37m
STL - HEL
$ 394
Kiwi
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How to find the cheapest flight from St Louis (STL) to Helsinki (HEL)

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