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

Return flights

01 Dec - 11 Dec	Air France
15 Dec - 28 Dec	Air China
06 Dec - 28 Dec	Air China
15 Dec - 26 Dec	Air China
01 Dec - 22 Dec	Air China
10 Dec - 20 Jan	Air France
05 Dec - 19 Dec	Air China
13 Dec - 26 Dec	Air China
03 Dec - 30 Jan	Kuwait Airways
11 Dec - 31 Dec	Air China
02 Dec - 20 Dec	Scandinavian Airlines
17 Dec - 14 Jan	Air China
12 Dec - 31 Dec	Air China
18 Dec - 14 Jan	Air China
16 Dec - 14 Jan	Air China
10 Dec - 16 Jan	Air China
08 Dec - 08 Jan	Air China
18 Dec - 01 Jan	Air China
16 Dec - 10 Jan	Air China
18 Dec - 31 Jan	easyJet

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 $648

Return flights