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

Return flights

05 Aug - 22 Sep	IndiGo
03 Aug - 10 Aug	IndiGo
07 Aug - 16 Aug	IndiGo
10 Aug - 15 Aug	IndiGo
19 Aug - 24 Aug	IndiGo
18 Aug - 23 Aug	Austrian Airlines
09 Aug - 15 Aug	IndiGo
19 Aug - 24 Aug	Finnair	direct
05 Aug - 22 Sep	Finnair	direct
10 Aug - 15 Aug	Finnair	direct
03 Aug - 10 Aug	Finnair	direct
09 Aug - 15 Aug	Finnair	direct

Also check the deals for one-way flights from Bangkok to Helsinki 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 Bangkok to Helsinki in August from $897

Return flights