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

Return flights

30 Oct - 06 Nov	Norse Atlantic Airways (UK)
30 Oct - 04 Nov	Norse Atlantic Airways
28 Oct - 07 Nov	Norse Atlantic Airways
19 Oct - 04 Nov	IndiGo
01 Oct - 05 Oct	IndiGo
23 Oct - 30 Oct	China Eastern
18 Oct - 02 Nov	IndiGo
11 Oct - 16 Nov	China Eastern
09 Oct - 16 Oct	IndiGo
19 Oct - 25 Nov	Thai AirAsia X
20 Oct - 25 Nov	Scoot
02 Oct - 22 Oct	Thai Lion Air
31 Oct - 07 Nov	Norse Atlantic Airways
17 Oct - 31 Oct	IndiGo
23 Oct - 27 Oct	Air China
10 Oct - 17 Oct	IndiGo
01 Oct - 10 Oct	Etihad Airways
21 Oct - 30 Nov	Iberia
03 Oct - 13 Oct	Iberia
04 Oct - 12 Oct	Iberia

Also check the deals for one-way flights from Bangkok to Barcelona 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 Bangkok to Barcelona in October from $574

Return flights