AirHint found the following cheapest return flights from Barcelona (BCN) to Bangkok (DMK) in December 2026 (see full year).

Return flights

10 Dec - 23 Dec	Etihad Airways
05 Dec - 23 Dec	Ryanair
10 Dec - 13 Dec	Etihad Airways
10 Dec - 17 Dec	Etihad Airways
10 Dec - 20 Dec	Etihad Airways
14 Dec - 27 Dec	Ryanair
01 Dec - 20 Dec	Iberia
16 Dec - 30 Dec	Ryanair
09 Dec - 22 Dec	Etihad Airways
05 Dec - 16 Dec	Iberia
16 Dec - 04 Jan	Ryanair
21 Dec - 04 Jan	Wizz Air
15 Dec - 02 Jan	Etihad Airways
18 Dec - 02 Jan	Ryanair
14 Dec - 02 Jan	Etihad Airways
19 Dec - 03 Jan	Air China
19 Dec - 05 Jan	Turkish Airlines
17 Dec - 03 Jan	Etihad Airways
17 Dec - 02 Jan	Etihad Airways
26 Dec - 05 Jan	Turkish Airlines

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

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 December from $878

Return flights