Cheapest return flights from Helsinki to Bangkok in September from 642€

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

Return flights

21 Sep - 10 Oct Qatar Airways
10 Sep - 17 Sep Qatar Airways
24 Sep - 30 Sep Qatar Airways
08 Sep - 29 Sep Qatar Airways
01 Sep - 17 Sep Qatar Airways
23 Sep - 19 Oct Qatar Airways
25 Sep - 04 Oct Qatar Airways
05 Sep - 22 Sep Qatar Airways
05 Sep - 15 Sep Qatar Airways
11 Sep - 16 Sep Qatar Airways
01 Sep - 13 Sep Qatar Airways
10 Sep - 10 Oct Qatar Airways
09 Sep - 09 Oct Qatar Airways
04 Sep - 13 Sep Qatar Airways
19 Sep - 10 Oct Qatar Airways
12 Sep - 02 Oct Qatar Airways
26 Sep - 17 Oct Qatar Airways
03 Sep - 26 Sep KLM
09 Sep - 09 Oct Finnair direct
10 Sep - 10 Oct Finnair direct

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

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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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