Cheap flights from St. Louis to Helsinki from £212
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Not happy with the results? Try some of our useful filters
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
How much do flights to Helsinki cost?
Getting from Helsinki airport to the city center
Fastest options: Ring Rail Line train and taxi. Best value: bus routes 615 and 617.
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
30-35 min | €4.10-€5.50 (zone ABC ticket required) | every 5–10 min (traffic dependent) | fastest to central station | |
40-55 min | €4.10-€5.50 (zone ABC ticket required) | every 15–30 min (traffic dependent) | budget travelers | |
45-60 min | €4.10-€5.50 (zone ABC ticket required) | every 20–30 min (traffic dependent) | Pasila connections | |
30-45 min | €7-€10 (direct service to city center) | every 20 min (traffic dependent) | direct to Elielinaukio | |
25-45 min | €45-€65 (metered; varies by traffic and time) | on-demand 24/7 (traffic dependent) | door-to-door convenience | |
25-45 min | €35-€55 (surge pricing may apply) | on-demand 24/7 (traffic dependent) | app-based booking | |
25-40 min | €60-€100 (pre-booked fixed rate) | pre-booked (traffic dependent) | groups and business travelers |
Notes:
- Prices in EUR; table created in 2025 and subject to change.
- HSL tickets can be purchased via the HSL app, ticket machines, or onboard (higher price).
- The Ring Rail Line operates two routes: I train (via Tikkurila) and P train (via Huopalahti). Both stop at Helsinki Central Station.
- Taxi fares are metered and may include airport surcharges. Night and weekend rates may be higher.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
Key info about flying to Helsinki
Check-in for a flight from St. Louis to Helsinki
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Finnair | FIN | AY | No |
| Frontier Airlines | FFT | F9 | No |
| KLM Royal Dutch Airlines | KLM | KL | No |
| Ryanair | RYR | FR | No |
| Aer Lingus | EIN | EI | No |
Online check-in is not available for these airlines.
Weather in Helsinki
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | -2°C | -5°C |
| February | -1°C | -5°C |
| March | 1°C | -3°C |
| April | 6°C | 1°C |
| May | 13°C | 6°C |
| June | 17°C | 11°C |
| July | 20°C | 14°C |
| August | 19°C | 14°C |
| September | 15°C | 10°C |
| October | 8°C | 5°C |
| November | 4°C | 2°C |
| December | 1°C | -2°C |
14 day forecast
Frequently asked questions
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