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

Return flights

03 Dec - 10 Dec	Oman Air
03 Dec - 09 Dec	Oman Air
22 Dec - 05 Jan	Austrian Airlines
04 Dec - 08 Dec	Oman Air
05 Dec - 09 Dec	Oman Air
25 Dec - 04 Jan	Air India
23 Dec - 05 Jan	Air India
28 Dec - 04 Jan	Air India
01 Dec - 09 Dec	Oman Air
15 Dec - 10 Jan	Oman Air
28 Dec - 03 Jan	Air India
27 Dec - 04 Jan	Air India
03 Dec - 13 Dec	Oman Air
15 Dec - 22 Dec	Oman Air
05 Dec - 14 Dec	Oman Air
16 Dec - 23 Dec	Oman Air
23 Dec - 02 Jan	Air India
18 Dec - 03 Jan	Air India
17 Dec - 10 Jan	Air India
24 Dec - 31 Dec	Etihad Airways

Also check the deals for one-way flights from Bangkok to Zurich 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 Bangkok to Zurich in December from 549€

Return flights