Cheapest return flights from Helsinki to Bangkok in September from 578€

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

Return flights

05 Sep - 19 Sep Finnair
02 Sep - 02 Oct Turkish Airlines
09 Sep - 16 Sep Turkish Airlines
01 Sep - 10 Sep Pegasus Airlines
01 Sep - 13 Sep Pegasus Airlines
01 Sep - 10 Sep Finnair direct
09 Sep - 16 Sep Finnair direct
15 Sep - 27 Oct KLM
12 Sep - 24 Oct Lufthansa
12 Sep - 24 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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