Cheapest return flights from Helsinki to Bangkok in September from 526€

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

Return flights

05 Sep - 07 Oct Pegasus Airlines
15 Sep - 06 Oct Lufthansa
01 Sep - 11 Sep Turkish Airlines
01 Sep - 15 Sep Turkish Airlines
07 Sep - 21 Sep Turkish Airlines
14 Sep - 21 Sep Turkish Airlines
01 Sep - 17 Sep Turkish Airlines
14 Sep - 30 Sep Turkish Airlines
07 Sep - 01 Oct Turkish Airlines
15 Sep - 01 Oct Turkish Airlines
07 Sep - 27 Sep Turkish Airlines
05 Sep - 19 Sep Turkish Airlines
01 Sep - 15 Sep Finnair direct
01 Sep - 11 Sep Finnair direct
07 Sep - 01 Oct Finnair direct
15 Sep - 01 Oct Finnair direct
05 Sep - 07 Oct Finnair direct

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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