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

Return flights

06 Dec - 28 Dec	Air China
11 Dec - 28 Dec	Air China
12 Dec - 28 Dec	Air China
05 Dec - 12 Dec	Air China
01 Dec - 14 Dec	Air China
01 Dec - 10 Dec	Air China
05 Dec - 21 Dec	Air China
04 Dec - 14 Dec	Air China
01 Dec - 11 Dec	Air China
08 Dec - 21 Dec	Air China
15 Dec - 14 Jan	Air China
08 Dec - 22 Jan	Air China
08 Dec - 25 Jan	Air China
12 Dec - 22 Jan	Air China
15 Dec - 15 Jan	Air China
15 Dec - 16 Jan	Air China
15 Dec - 11 Jan	Air China
12 Dec - 11 Jan	Air China
11 Dec - 11 Jan	Air China
31 Dec - 18 Jan	Lufthansa

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 $516

Return flights