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

Return flights

25 Jan - 08 Feb	Vueling Airlines
13 Jan - 24 Jan	Air China
23 Jan - 05 Feb	Air China
08 Jan - 24 Jan	Air China
06 Jan - 20 Jan	Air China
06 Jan - 23 Jan	Air China
10 Jan - 31 Jan	Air China
15 Jan - 27 Jan	Air China
12 Jan - 18 Jan	Air China
19 Jan - 30 Jan	Air China
10 Jan - 23 Jan	Air China
12 Jan - 25 Jan	Air China
29 Jan - 09 Feb	Air China
12 Jan - 08 Feb	Air China
26 Jan - 11 Feb	Air China
26 Jan - 08 Feb	Air China
08 Jan - 08 Feb	Air China
10 Jan - 07 Feb	Air China
17 Jan - 01 Feb	Air China
27 Jan - 10 Feb	Air China

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 520€

Return flights