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

One-Way flights

05 Aug	Pegasus Airlines
16 Aug	Pegasus Airlines
19 Aug	Pegasus Airlines
01 Aug	Pegasus Airlines
08 Aug	Norwegian Air Sweden AOC
22 Aug	Norwegian Air Sweden AOC
13 Aug	Pegasus Airlines
04 Aug	Pegasus Airlines
06 Aug	Pegasus Airlines
07 Aug	Pegasus Airlines

Also check the deals for return 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 one-way flights from Helsinki to Bangkok in August from 281€

One-Way flights