AirHint found the following cheapest return flights from Geneva (GVA) to Hanoi (HAN) in September 2025 (see full year).

Return flights

08 Sep - 17 Sep	Air China
03 Sep - 11 Sep	Air China
03 Sep - 10 Sep	Air China
03 Sep - 16 Sep	Air China
08 Sep - 21 Sep	Air China
01 Sep - 14 Sep	Air China
02 Sep - 23 Sep	SWISS
10 Sep - 25 Sep	Air China
18 Sep - 29 Sep	Etihad Airways
06 Sep - 29 Sep	Flynas
12 Sep - 05 Oct	Lufthansa
11 Sep - 04 Oct	easyJet
17 Sep - 08 Oct	Air France
13 Sep - 04 Oct	easyJet
26 Sep - 11 Oct	Emirates

Also check the deals for one-way flights from Geneva to Hanoi 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 Hanoi in September from $742

Return flights