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

Return flights

26 Jan - 05 Feb	Vueling Airlines
22 Jan - 05 Feb	Vueling Airlines
05 Jan - 25 Jan	Vueling Airlines
08 Jan - 20 Jan	Vueling Airlines
09 Jan - 24 Jan	Air China
09 Jan - 21 Jan	Air China
12 Jan - 18 Jan	Air China
09 Jan - 25 Jan	Air China
05 Jan - 26 Jan	Air China
08 Jan - 24 Jan	Air China
12 Jan - 21 Jan	Air China
08 Jan - 22 Jan	Air China
24 Jan - 08 Feb	Vueling Airlines
12 Jan - 12 Feb	Air China
17 Jan - 06 Feb	Air China
17 Jan - 07 Feb	Air China
16 Jan - 06 Feb	Air China
19 Jan - 01 Feb	Air China
08 Jan - 06 Feb	Air China
22 Jan - 26 Feb	Vueling Airlines

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

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 January from $688

Return flights