Users have found that booking a flight from St. Louis to Finland at least 18 days early can save you up to 79% on average compared to booking a flight this week. If booking 18 days before your flight isn’t an option for you, users have found flights from St. Louis to Finland for as little as $900 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $900 for flights departing within the next 3 days.
Our data shows that October tends to be the cheapest month to fly to Finland from St. Louis. Users have commonly found prices around $1,060 for the month, but tickets can be as low as $501. Due to multiple factors, prepare for potentially higher prices in June.
When flying from St. Louis to Finland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$795 - $1,401
Route
Depart
Return
Price
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Sat 10/5
2 stops28h 29m
Helsinki-Vantaa
Sat 10/12
2 stops24h 35m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Sat 10/5
1 stop14h 35m
Helsinki-Vantaa
Sat 10/12
1 stop13h 56m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Sat 10/5
2 stops15h 22m
Helsinki-Vantaa
Sat 10/12
1 stop13h 56m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Sun 7/21
2 stops21h 45m
Helsinki-Vantaa
Tue 7/30
2 stops22h 56m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Tue 7/2
2 stops22h 25m
Helsinki-Vantaa
Tue 7/16
2 stops22h 56m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Sun 7/21
1 stop16h 29m
Helsinki-Vantaa
Tue 7/30
1 stop13h 54m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Sun 7/21
2 stops17h 14m
Helsinki-Vantaa
Tue 7/30
1 stop14h 15m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Tue 7/2
2 stops19h 55m
Helsinki-Vantaa
Tue 7/16
3 stops40h 52m
Lambert-St LouisHelsinki-Vantaa
STL - HEL
STLHEL
Lambert-St Louis
Tue 7/2
1 stop16h 33m
Helsinki-Vantaa
Tue 7/16
1 stop13h 54m
No data available for this route at this time. Please check back soon.
Food
Entertainment
Crew
Boarding
Comfort
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Food
Entertainment
Crew
Boarding
Comfort
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Food
Entertainment
Crew
Boarding
Comfort
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Food
Entertainment
Crew
Boarding
Comfort
Overall
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
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