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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 March , April 2026

30 Mar - 14 Apr $ 754.00
STL
St Louis
Finnair
1 STOPS
HEL
Helsinki
HEL
Helsinki
Finnair
1 STOPS
STL
St Louis
Pick dates
30 Mar - 06 Apr $ 949.00
STL
St Louis
Finnair
1 STOPS
HEL
Helsinki
HEL
Helsinki
Finnair
1 STOPS
STL
St Louis
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30 Mar - 06 Apr $ 949.00
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

23 Mar - 02 Apr $ 923.00
STL
St Louis
Frontier Airlines
2 STOPS
HEL
Helsinki
HEL
Helsinki
Frontier Airlines
3 STOPS
STL
St Louis
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23 Mar - 01 Apr $ 1,086.00
STL
St Louis
Hawaiian Airlines
2 STOPS
HEL
Helsinki
HEL
Helsinki
Hawaiian Airlines
3 STOPS
STL
St Louis
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23 Mar - 31 Mar $ 1,206.00
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

7:47 AM - 7:30 AM
Icelandair
2 Stops
22h 8m
STL - HEL
$ 333
Kiwi
Pick dates
3:23 PM - 3:15 PM
United Airlines
2 Stops
20h 27m
STL - HEL
$ 583
Kiwi
Pick dates
4:50 PM - 9:40 AM
United Airlines
1 Stops
13h 20m
STL - HEL
$ 1,364
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.