Cheapest return flights from Helsinki to Bangkok in September from 593€

Best time to book flights for Helsinki (HEL) to Bangkok (BKK) flights at AirHint

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

Return flights

05 Sep - 29 Sep Qatar Airways
01 Sep - 15 Sep Qatar Airways
01 Sep - 30 Sep Qatar Airways
18 Sep - 23 Sep Qatar Airways
15 Sep - 21 Sep Qatar Airways
18 Sep - 28 Sep Qatar Airways
07 Sep - 08 Oct Air France
07 Sep - 07 Oct Air France
10 Sep - 20 Sep Qatar Airways
15 Sep - 20 Sep Qatar Airways
06 Sep - 08 Oct Air France
06 Sep - 07 Oct Air France
13 Sep - 20 Sep Turkish Airlines
18 Sep - 23 Sep Finnair direct
07 Sep - 08 Oct Finnair direct

Also check the deals for one-way 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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