Cheapest return flights from Porto Alegre to Hanoi in September from 2148€

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

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.