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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 June , July 2026

30 Jun - 23 Jul $ 1,474.00
STL
St Louis
Frontier Airlines
2 STOPS
HEL
Helsinki
HEL
Helsinki
Frontier Airlines
3 STOPS
STL
St Louis
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30 Jun - 03 Jul $ 2,379.00
STL
St Louis
Lufthansa
2 STOPS
HEL
Helsinki
HEL
Helsinki
Lufthansa
1 STOPS
STL
St Louis
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29 Jun - 03 Jul $ 2,554.00
STL
St Louis
Air Canada
2 STOPS
HEL
Helsinki
HEL
Helsinki
Air Canada
2 STOPS
STL
St Louis
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Last minute flights from St Louis to Helsinki

29 Jun - 02 Jul $ 1,918.00
STL
St Louis
WestJet
2 STOPS
HEL
Helsinki
HEL
Helsinki
WestJet
3 STOPS
STL
St Louis
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29 Jun - 01 Jul $ 2,100.00
STL
St Louis
Air Canada
2 STOPS
HEL
Helsinki
HEL
Helsinki
Air Canada
3 STOPS
STL
St Louis
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29 Jun - 01 Jul $ 2,105.00
STL
St Louis
Air Canada
2 STOPS
HEL
Helsinki
HEL
Helsinki
Air Canada
3 STOPS
STL
St Louis
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One-way flights to Helsinki from St Louis

4:48 PM - 3:25 PM
United Airlines
2 Stops
18h 7m
STL - HEL
$ 922
Kiwi
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3:30 PM - 9:35 AM
United Airlines
1 Stops
13h 35m
STL - HEL
$ 934
Kiwi
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3:30 PM - 9:40 AM
United Airlines
1 Stops
13h 40m
STL - HEL
$ 934
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.