Cheapest one-way flights from Bangkok to Helsinki in September from 317€

AirHint found the following cheapest one-way flights from Bangkok (BKK) to Helsinki (HEL) in September 2025 (see full year).

One-Way flights

04 Sep Etihad Airways
08 Sep Hainan Airlines
05 Sep Hainan Airlines
23 Sep IndiGo
09 Sep IndiGo
19 Sep IndiGo
04 Sep Finnair direct
23 Sep Finnair direct
05 Sep Finnair direct
11 Sep Finnair direct

Also check the deals for return flights from Bangkok to Helsinki in September.

Skyscanner

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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