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

Return flights

16 Sep - 16 Oct	Lufthansa
09 Sep - 23 Sep	Lufthansa
13 Sep - 30 Sep	SWISS
08 Sep - 08 Oct	Lufthansa
10 Sep - 09 Oct	Lufthansa
11 Sep - 24 Sep	Lufthansa
03 Sep - 24 Sep	Austrian Airlines
07 Sep - 16 Sep	SWISS
14 Sep - 25 Sep	SWISS
22 Sep - 29 Sep	SWISS
22 Sep - 08 Oct	SWISS
18 Sep - 25 Sep	SWISS
04 Sep - 25 Sep	SWISS
17 Sep - 25 Sep	SWISS
24 Sep - 15 Oct	SWISS
22 Sep - 10 Oct	SWISS
03 Sep - 03 Oct	Austrian Airlines
13 Sep - 03 Oct	SWISS
01 Sep - 12 Oct	Lufthansa
12 Sep - 21 Oct	Lufthansa

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Stockholm to Bangkok in September from $560

Return flights