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

Return flights

02 Dec - 14 Dec	Pegasus Airlines
02 Dec - 11 Dec	AJet
02 Dec - 09 Dec	AJet
04 Dec - 14 Dec	Pegasus Airlines
02 Dec - 25 Dec	Pegasus Airlines
06 Dec - 16 Dec	AJet
01 Dec - 14 Dec	Pegasus Airlines
01 Dec - 08 Dec	AJet
05 Dec - 14 Dec	Pegasus Airlines
01 Dec - 13 Dec	Pegasus Airlines
02 Dec - 16 Jan	Pegasus Airlines
04 Dec - 23 Jan	Air China
05 Dec - 29 Jan	Air China
11 Dec - 22 Jan	Air China
09 Dec - 28 Jan	Pegasus Airlines
11 Dec - 29 Jan	Air China
08 Dec - 29 Jan	AJet
01 Dec - 31 Jan	Pegasus Airlines
30 Dec - 31 Jan	Pegasus Airlines
06 Dec - 16 Jan	AJet

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 396€

Return flights