Cheapest return flights from Helsinki to Bangkok in September from 531€

AirHint found the following cheapest return flights from Helsinki (HEL) to Bangkok (BKK) in September 2026 (see full year).

Return flights

15 Sep - 06 Oct Juneyao Airlines
03 Sep - 29 Sep Turkish Airlines
21 Sep - 28 Sep Turkish Airlines
21 Sep - 30 Sep Turkish Airlines
15 Sep - 01 Oct Turkish Airlines
24 Sep - 30 Sep Turkish Airlines
12 Sep - 26 Sep Pegasus Airlines
21 Sep - 26 Sep Turkish Airlines
14 Sep - 27 Sep Turkish Airlines
01 Sep - 15 Sep Turkish Airlines
06 Sep - 01 Oct Turkish Airlines
19 Sep - 25 Sep Turkish Airlines
01 Sep - 12 Sep Pegasus Airlines
15 Sep - 01 Oct Finnair direct
06 Sep - 01 Oct Finnair direct
28 Sep - 08 Oct Finnair

Also check the deals for one-way flights from Helsinki to Bangkok 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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