AirHint found the following cheapest return flights from Lisbon (LIS) to Hanoi (HAN) in September 2026 (see full year).
Return flights
| 25 Sep - 05 Oct | Iberia | ||
| 05 Sep - 18 Sep | TAP | ||
| 06 Sep - 18 Sep | Iberia | ||
| 07 Sep - 18 Sep | Etihad Airways | ||
| 19 Sep - 26 Sep | TAP | ||
| 23 Sep - 30 Sep | easyJet |
Also check the deals for one-way flights from Lisbon to Hanoi in September.
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