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

Return flights

17 Sep - 30 Sep	Lufthansa
16 Sep - 21 Oct	Lufthansa
20 Sep - 08 Oct	Lufthansa
13 Sep - 24 Sep	Lufthansa
22 Sep - 22 Oct	Lufthansa
16 Sep - 28 Oct	Lufthansa
28 Sep - 05 Oct	Lufthansa
16 Sep - 24 Sep	Lufthansa
29 Sep - 06 Oct	Lufthansa
22 Sep - 06 Oct	Lufthansa
18 Sep - 29 Sep	SWISS
13 Sep - 03 Oct	Lufthansa
01 Sep - 08 Sep	Air China
02 Sep - 18 Sep	Air China
08 Sep - 22 Sep	Air China
09 Sep - 22 Sep	Air China
09 Sep - 03 Oct	Air China
02 Sep - 16 Sep	Air China
04 Sep - 16 Sep	Air China
16 Sep - 17 Oct	Air China

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

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 return flights from Stockholm to Bangkok in September from 467€

Return flights