Cheapest return flights from Barcelona to Bangkok in September from $473

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

Return flights

08 Sep - 26 Sep Vueling Airlines
10 Sep - 22 Sep SWISS
03 Sep - 10 Sep Wizz Air Malta
03 Sep - 16 Sep Wizz Air Malta
01 Sep - 16 Sep Wizz Air Malta
29 Sep - 06 Oct SWISS
29 Sep - 15 Oct SWISS
30 Sep - 23 Oct SWISS
24 Sep - 08 Oct Kuwait Airways
28 Sep - 15 Oct Kuwait Airways
09 Sep - 16 Sep Wizz Air Malta
22 Sep - 22 Oct Vueling Airlines
10 Sep - 30 Sep Kuwait Airways
16 Sep - 23 Sep Kuwait Airways
15 Sep - 29 Sep Vueling Airlines
02 Sep - 16 Sep Wizz Air Malta
29 Sep - 05 Oct SWISS
23 Sep - 01 Oct Wizz Air Malta
23 Sep - 03 Oct Vueling Airlines
05 Sep - 05 Oct Wizz Air Malta

Also check the deals for one-way flights from Barcelona 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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