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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 July , August 2026

29 Jul - 22 Aug $ 1,371.00
STL
St Louis
Frontier Airlines
3 STOPS
HEL
Helsinki
HEL
Helsinki
Frontier Airlines
2 STOPS
STL
St Louis
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27 Jul - 09 Aug $ 2,575.00
STL
St Louis
Air Canada
2 STOPS
HEL
Helsinki
HEL
Helsinki
Air Canada
2 STOPS
STL
St Louis
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27 Jul - 07 Aug $ 2,587.00
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

27 Jul - 31 Jul $ 2,071.00
STL
St Louis
Hawaiian Airlines
2 STOPS
HEL
Helsinki
HEL
Helsinki
Hawaiian Airlines
2 STOPS
STL
St Louis
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29 Jul - 31 Jul $ 2,210.00
STL
St Louis
Air Canada
3 STOPS
HEL
Helsinki
HEL
Helsinki
Air Canada
3 STOPS
STL
St Louis
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29 Jul - 31 Jul $ 2,215.00
STL
St Louis
Air Canada
3 STOPS
HEL
Helsinki
HEL
Helsinki
Air Canada
3 STOPS
STL
St Louis
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One-way flights to Helsinki from St Louis

7:05 PM - 3:25 PM
United Airlines
2 Stops
15h 50m
STL - HEL
$ 717
Kiwi
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3:30 PM - 9:40 AM
United Airlines
1 Stops
13h 40m
STL - HEL
$ 725
Kiwi
Pick dates
1:13 PM - 9:40 AM
United Airlines
2 Stops
15h 57m
STL - HEL
$ 729
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.