Cheapest return flights from Helsinki to Bangkok in August from $621

AirHint found the following cheapest return flights from Helsinki (HEL) to Bangkok (BKK) in August 2025 (see full year).

Return flights

27 Aug - 03 Sep Norwegian Air Sweden AOC
25 Aug - 15 Sep Norwegian Air Sweden AOC
27 Aug - 11 Sep Norwegian Air Sweden AOC
25 Aug - 08 Sep Norwegian Air Sweden AOC
25 Aug - 10 Sep Norwegian Air Sweden AOC
29 Aug - 15 Sep Pegasus Airlines
25 Aug - 23 Sep Pegasus Airlines
24 Aug - 15 Sep Pegasus Airlines
29 Aug - 06 Sep Pegasus Airlines
29 Aug - 19 Sep Pegasus Airlines
19 Aug - 31 Aug IndiGo
22 Aug - 29 Aug Pegasus Airlines
22 Aug - 26 Aug IndiGo
23 Aug - 29 Aug Norwegian Air Sweden AOC
19 Aug - 26 Aug IndiGo
23 Aug - 30 Aug Finnair
20 Aug - 30 Aug Pegasus Airlines
19 Aug - 30 Aug IndiGo
22 Aug - 30 Aug IndiGo
22 Aug - 26 Aug Finnair direct

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

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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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