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

Return flights

04 Dec - 16 Jan	SWISS
15 Dec - 28 Dec	Air China
06 Dec - 24 Dec	Air China
11 Dec - 17 Dec	Air China
04 Dec - 19 Dec	Air China
05 Dec - 21 Dec	Air China
03 Dec - 16 Dec	Air France
03 Dec - 17 Dec	Air France
18 Dec - 31 Dec	Air China
05 Dec - 26 Dec	Air China
01 Dec - 24 Jan	Air France
11 Dec - 30 Jan	Air China
15 Dec - 07 Jan	Air China
07 Dec - 24 Dec	Etihad Airways
30 Dec - 20 Jan	Saudia
12 Dec - 07 Jan	Air China
13 Dec - 07 Jan	Air China
12 Dec - 01 Jan	Air China
11 Dec - 11 Jan	Air China
18 Dec - 01 Jan	Air China

Also check the deals for one-way flights from Geneva 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 Geneva to Bangkok in December from 518€

Return flights