Cheapest return flights from Barcelona to Bangkok in December from $691

Best time to book flights for Barcelona (BCN) to Bangkok (BKK) flights at AirHint

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

Return flights

08 Dec - 21 Dec Air China
04 Dec - 11 Dec Air China
04 Dec - 11 Jan Air China
09 Dec - 19 Jan Air China
04 Dec - 01 Jan Air China
07 Dec - 23 Dec KLM
07 Dec - 20 Dec KLM
08 Dec - 22 Dec Air France
07 Dec - 22 Dec KLM
07 Dec - 17 Dec KLM
01 Dec - 31 Dec Air China
01 Dec - 17 Dec Air China
01 Dec - 08 Dec Air China
01 Dec - 01 Jan Air China
09 Dec - 09 Jan Air China
29 Dec - 18 Jan easyJet
11 Dec - 09 Jan Vueling Airlines
13 Dec - 13 Jan Wizz Air Malta
06 Dec - 01 Jan Air China
30 Dec - 16 Jan Wizz Air Malta

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

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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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