Cheapest return flights from Helsinki to Bangkok in September from 562€

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

15 Sep - 24 Sep Qatar Airways
09 Sep - 30 Sep Qatar Airways
09 Sep - 29 Sep Qatar Airways
02 Sep - 09 Sep Qatar Airways
19 Sep - 01 Oct Qatar Airways
09 Sep - 23 Sep Qatar Airways
10 Sep - 24 Sep Qatar Airways
02 Sep - 15 Sep Qatar Airways
10 Sep - 23 Sep Qatar Airways
16 Sep - 30 Sep Qatar Airways
02 Sep - 30 Sep Qatar Airways
26 Sep - 13 Oct Qatar Airways
15 Sep - 01 Oct Qatar Airways
15 Sep - 30 Oct Qatar Airways
29 Sep - 29 Oct Qatar Airways
30 Sep - 12 Oct Qatar Airways
19 Sep - 05 Oct Qatar Airways
22 Sep - 22 Oct Air France
26 Sep - 15 Oct Air France
26 Sep - 11 Oct Air France

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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