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

Return flights

13 Oct - 19 Oct	Vueling Airlines
06 Oct - 19 Oct	Pegasus Airlines
14 Oct - 19 Oct	Vueling Airlines
05 Oct - 09 Oct	Ryanair
03 Oct - 19 Oct	Ryanair
23 Oct - 26 Nov	Pegasus Airlines
30 Oct - 15 Nov	Ryanair
23 Oct - 12 Nov	Etihad Airways
06 Oct - 21 Oct	Pegasus Airlines
27 Oct - 10 Nov	Air China
05 Oct - 25 Oct	Vueling Airlines
22 Oct - 28 Oct	Etihad Airways
27 Oct - 17 Nov	Air China
04 Oct - 24 Oct	Air China
04 Oct - 17 Oct	Air China
22 Oct - 13 Nov	Etihad Airways
28 Oct - 13 Nov	Iberia
24 Oct - 04 Nov	Etihad Airways
15 Oct - 13 Nov	Etihad Airways
30 Oct - 10 Nov	Iberia

Also check the deals for one-way flights from Barcelona to Bangkok in October.

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 Barcelona to Bangkok in October from 609€

Return flights