AirHint found the following cheapest return flights from Geneva (GVA) to Bangkok (BKK) in September 2026 (see full year).

Return flights

07 Sep - 16 Sep	KLM
19 Sep - 29 Sep	Air France
01 Sep - 21 Sep	Air France
04 Sep - 19 Sep	Air France
19 Sep - 03 Oct	Air France
01 Sep - 18 Sep	Air France
20 Sep - 27 Sep	Air France
27 Sep - 04 Oct	Air France
30 Sep - 31 Oct	Saudia
04 Sep - 11 Sep	Air China
18 Sep - 25 Sep	SWISS

Also check the deals for one-way flights from Geneva to Bangkok in September.

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 September from 564€

Return flights