
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $497 (United Airlines) |
Popular in | May |
Cheapest in | December |
Average price | $636 |
Fly from
Fly to
Route
Depart
Return
Price
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Wed 1/28
9:57 am-6:50 pm
2 stops24h 53m
Helsinki-Vantaa
Sun 2/1
6:55 am-9:13 pm
2 stops22h 18m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Thu 3/5
5:14 am-10:45 am
1 stop21h 31m
Helsinki-Vantaa
Sun 3/15
8:30 pm-9:51 pm
2 stops32h 21m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Thu 3/5
1:14 pm-1:20 am
2 stops28h 06m
Helsinki-Vantaa
Sun 3/15
5:45 pm-11:51 pm
2 stops37h 06m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Thu 3/5
11:46 am-10:45 am
1 stop14h 59m
Helsinki-Vantaa
Sun 3/15
12:30 pm-7:29 pm
1 stop13h 59m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Wed 1/28
3:20 pm-3:15 pm
2 stops15h 55m
Helsinki-Vantaa
Sun 2/1
12:30 pm-7:29 pm
1 stop14h 59m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Wed 1/28
10:00 am-11:10 am
1 stop17h 10m
Helsinki-Vantaa
Sun 2/1
12:30 pm-7:29 pm
1 stop14h 59m
St. LouisHelsinki
STL - HEL
STLHEL
Lambert-St Louis
Sun 5/17
2:18 pm-4:40 pm
2 stops18h 22m
Helsinki-Vantaa
Sun 5/24
7:00 am-4:45 pm
2 stops17h 45m
It’s optimal to fly from St. Louis to Finland in the morning. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the afternoon.
Food
Comfort
Crew
Entertainment
Overall
Boarding
Reviews
Jeremy,Dec 2025
OKC - CLT
Food
Comfort
Crew
Entertainment
Overall
Boarding
Reviews
Jeremy,Dec 2025
OKC - CLT
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$490 | Average$764 | FlexibilityNo cancel fee | On-time71% |