AirHint found the following cheapest return flights from Lisbon (LIS) to Hanoi (HAN) in August 2026 (see full year).

Return flights

26 Aug - 07 Sep	Etihad Airways
30 Aug - 09 Sep	TAP
26 Aug - 06 Sep	Etihad Airways
16 Aug - 30 Aug	Ryanair
10 Aug - 25 Aug	Etihad Airways
09 Aug - 25 Aug	Etihad Airways
10 Aug - 20 Aug	SWISS
19 Aug - 05 Sep	Iberia
08 Aug - 25 Aug	Lufthansa
10 Aug - 26 Aug	Etihad Airways
09 Aug - 26 Aug	Etihad Airways
01 Aug - 16 Aug	Lufthansa

Also check the deals for one-way flights from Lisbon to Hanoi in August.

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 Lisbon to Hanoi in August from 774€

Return flights