AirHint found the following cheapest return flights from Zurich (ZRH) to Hanoi (HAN) in October 2025 (see full year).
Return flights
| 30 Oct - 13 Nov | IndiGo | ||
| 31 Oct - 09 Nov | IndiGo | ||
| 30 Oct - 16 Nov | SunExpress | ||
| 31 Oct - 08 Nov | IndiGo | ||
| 30 Oct - 06 Nov | TAP |
Also check the deals for one-way flights from Zurich to Hanoi in October.
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