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

Return flights

28 Sep - 22 Oct	AJet
23 Sep - 27 Oct	Pegasus Airlines
27 Sep - 12 Oct	Pegasus Airlines
12 Sep - 05 Oct	China Eastern
15 Sep - 10 Oct	China Eastern
19 Sep - 02 Oct	Air China
27 Sep - 11 Oct	Pegasus Airlines
25 Sep - 10 Oct	easyJet
17 Sep - 25 Sep	Air China
28 Sep - 18 Oct	AJet
26 Sep - 11 Oct	AJet
15 Sep - 22 Sep	Pegasus Airlines
12 Sep - 27 Sep	Pegasus Airlines
16 Sep - 24 Sep	Pegasus Airlines
15 Sep - 30 Sep	Pegasus Airlines
12 Sep - 21 Sep	Pegasus Airlines
20 Sep - 27 Sep	Pegasus Airlines
19 Sep - 22 Sep	Lufthansa
13 Sep - 26 Sep	Pegasus Airlines
15 Sep - 26 Sep	AJet

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 595€

Return flights