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

Return flights

15 Sep - 29 Oct	Pegasus Airlines
11 Sep - 29 Oct	AJet
16 Sep - 29 Oct	Pegasus Airlines
15 Sep - 28 Oct	Pegasus Airlines
15 Sep - 27 Oct	Pegasus Airlines
16 Sep - 28 Oct	AJet
17 Sep - 28 Oct	Pegasus Airlines
16 Sep - 27 Oct	AJet
15 Sep - 30 Oct	Pegasus Airlines
15 Sep - 20 Oct	Pegasus Airlines
08 Sep - 23 Sep	Condor
08 Sep - 17 Sep	Condor
08 Sep - 16 Sep	Condor
16 Sep - 27 Sep	AJet
17 Sep - 27 Sep	Pegasus Airlines
11 Sep - 26 Sep	Condor
15 Sep - 26 Sep	Pegasus Airlines
06 Sep - 24 Sep	Pegasus Airlines
13 Sep - 25 Sep	Pegasus Airlines
16 Sep - 28 Sep	Pegasus Airlines

Also check the deals for one-way flights from Zurich 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 Zurich to Hanoi in September from $624

Return flights