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

Return flights

01 Aug - 15 Aug	Lufthansa
03 Aug - 24 Aug	Lufthansa
24 Aug - 23 Sep	Turkish Airlines
08 Aug - 24 Aug	Turkish Airlines
12 Aug - 27 Aug	Finnair	direct
24 Aug - 23 Sep	Finnair	direct
08 Aug - 24 Aug	Finnair	direct
07 Aug - 24 Aug	Finnair	direct
01 Aug - 08 Aug	Norwegian Air Sweden AOC

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

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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Cheapest return flights from Helsinki to Bangkok in August from 641€

Return flights