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

Return flights

09 Dec - 23 Dec	Etihad Airways
08 Dec - 14 Jan	Etihad Airways
08 Dec - 22 Dec	Etihad Airways
02 Dec - 18 Dec	Saudia
01 Dec - 18 Dec	Saudia
01 Dec - 29 Jan	Saudia
03 Dec - 18 Dec	Saudia
03 Dec - 24 Dec	Etihad Airways
03 Dec - 16 Dec	Etihad Airways
09 Dec - 13 Jan	Saudia
06 Dec - 17 Dec	Air China
01 Dec - 17 Dec	Air China
15 Dec - 31 Dec	Air China
09 Dec - 15 Jan	AJet
15 Dec - 01 Jan	Air China
12 Dec - 10 Jan	easyJet
12 Dec - 26 Jan	easyJet
06 Dec - 08 Jan	Air China
12 Dec - 01 Jan	Air China
31 Dec - 21 Jan	Kuwait Airways

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 538€

Return flights