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

Return flights

09 Dec - 27 Dec	Turkish Airlines
02 Dec - 09 Dec	Pegasus Airlines
09 Dec - 28 Dec	Etihad Airways
03 Dec - 18 Dec	Air France
02 Dec - 12 Jan	Pegasus Airlines
04 Dec - 14 Dec	Cathay Pacific
03 Dec - 10 Dec	Cathay Pacific
04 Dec - 11 Dec	Cathay Pacific
07 Dec - 14 Dec	Cathay Pacific
09 Dec - 16 Dec	Cathay Pacific
03 Dec - 23 Dec	Cathay Pacific
03 Dec - 14 Jan	Air France
01 Dec - 29 Jan	Pegasus Airlines
04 Dec - 07 Jan	Pegasus Airlines
31 Dec - 13 Jan	Saudia
31 Dec - 27 Jan	Saudia
08 Dec - 07 Jan	Oman Air
08 Dec - 19 Jan	Oman Air
17 Dec - 14 Jan	SWISS
04 Dec - 31 Jan	Etihad Airways

Also check the deals for one-way flights from Zurich 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 Zurich to Bangkok in December from 529€

Return flights