Cheapest one-way flights from Helsinki to Bangkok in September from $328

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

One-Way flights

29 Sep Pegasus Airlines
30 Sep Pegasus Airlines
24 Sep Pegasus Airlines
28 Sep Pegasus Airlines
08 Sep Pegasus Airlines
15 Sep Pegasus Airlines
20 Sep Pegasus Airlines
04 Sep Pegasus Airlines
09 Sep Norwegian Air Sweden AOC
01 Sep Ryanair

Also check the deals for return flights from Helsinki to Bangkok in September.

Skyscanner

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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