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

Return flights

27 Oct - 03 Nov	Oman Air
27 Oct - 08 Nov	Oman Air
14 Oct - 28 Oct	Etihad Airways
30 Oct - 13 Nov	Turkish Airlines
09 Oct - 06 Nov	IndiGo
31 Oct - 13 Nov	IndiGo
19 Oct - 22 Nov	IndiGo
28 Oct - 17 Nov	IndiGo
05 Oct - 22 Nov	Oman Air
30 Oct - 25 Nov	IndiGo
13 Oct - 25 Oct	Oman Air
25 Oct - 01 Nov	Air India
01 Oct - 08 Oct	Etihad Airways
01 Oct - 16 Oct	Etihad Airways
01 Oct - 15 Oct	easyJet
10 Oct - 18 Oct	Oman Air
06 Oct - 19 Oct	Air India
09 Oct - 22 Oct	IndiGo
09 Oct - 19 Oct	IndiGo
02 Oct - 19 Oct	Etihad Airways

Also check the deals for one-way flights from Zurich to Hanoi in October.

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 October from 624€

Return flights