AirHint found the following cheapest one-way flights from Bangkok (BKK) to Helsinki (HEL) in September 2026 (see full year).
One-Way flights
| 22 Sep | AirAsia | ||
| 21 Sep | SalamAir | ||
| 24 Sep | IndiGo | ||
| 10 Sep | IndiGo | ||
| 09 Sep | Etihad Airways | ||
| 21 Sep | Finnair | direct | |
| 22 Sep | Finnair | direct | |
| 24 Sep | Finnair | direct | |
| 09 Sep | Finnair | direct | |
| 10 Sep | Finnair | direct |
Also check the deals for return flights from Bangkok to Helsinki in September.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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