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

Return flights

05 Dec - 12 Dec	Air China
01 Dec - 12 Dec	China Eastern
06 Dec - 28 Dec	Air China
06 Dec - 19 Dec	Air China
06 Dec - 17 Dec	Air China
15 Dec - 31 Dec	Air China
01 Dec - 10 Dec	Air China
12 Dec - 28 Dec	Air China
06 Dec - 31 Dec	Air China
01 Dec - 14 Dec	Air China
04 Dec - 11 Jan	Air China
15 Dec - 11 Jan	Air China
30 Dec - 14 Jan	Lufthansa
31 Dec - 11 Jan	Lufthansa
31 Dec - 18 Jan	Lufthansa
30 Dec - 21 Jan	Lufthansa
09 Dec - 15 Jan	Air China
08 Dec - 07 Jan	Air China
03 Dec - 15 Jan	Air China
15 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 435€

Return flights