Cheapest one-way flights from Bangkok to Helsinki in September from 298€

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

One-Way flights

17 Sep Thai Lion Air
23 Sep IndiGo
08 Sep Thai VietJet Air
15 Sep Hainan Airlines
10 Sep Thai VietJet Air
06 Sep Thai VietJet Air
22 Sep Thai VietJet Air
19 Sep Hainan Airlines
11 Sep Hainan Airlines
27 Sep IndiGo

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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