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

Return flights

07 Dec - 19 Dec	Oman Air
06 Dec - 09 Dec	Condor
06 Dec - 24 Dec	Condor
07 Dec - 10 Dec	Oman Air
06 Dec - 16 Dec	Condor
08 Dec - 24 Dec	Etihad Airways
07 Dec - 08 Dec	Oman Air
10 Dec - 26 Dec	Etihad Airways
08 Dec - 29 Dec	Etihad Airways
07 Dec - 25 Dec	Condor
31 Dec - 25 Jan	AJet
08 Dec - 28 Jan	Oman Air
31 Dec - 20 Jan	AJet
10 Dec - 19 Jan	AJet
30 Dec - 27 Jan	Etihad Airways
10 Dec - 18 Jan	AJet
09 Dec - 23 Jan	Oman Air
09 Dec - 25 Jan	Oman Air
28 Dec - 24 Jan	Pegasus Airlines
10 Dec - 24 Jan	AJet

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 494€

Return flights