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

Return flights

01 Dec - 16 Dec	AJet
05 Dec - 27 Dec	Saudia
08 Dec - 23 Dec	Etihad Airways
03 Dec - 16 Dec	Pegasus Airlines
05 Dec - 19 Dec	Etihad Airways
02 Dec - 16 Dec	Pegasus Airlines
08 Dec - 15 Dec	Etihad Airways
03 Dec - 10 Dec	Etihad Airways
01 Dec - 13 Dec	AJet
06 Dec - 19 Dec	Etihad Airways
06 Dec - 21 Jan	Etihad Airways
06 Dec - 22 Jan	Etihad Airways
08 Dec - 21 Jan	Etihad Airways
01 Dec - 29 Jan	Etihad Airways
31 Dec - 22 Jan	Saudia
31 Dec - 15 Jan	Saudia
08 Dec - 20 Jan	Etihad Airways
06 Dec - 23 Jan	Etihad Airways
08 Dec - 26 Jan	Etihad Airways
06 Dec - 18 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 $574

Return flights