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

Return flights

22 Oct - 05 Nov	Iberia
25 Oct - 07 Nov	Iberia
23 Oct - 06 Nov	KLM
25 Oct - 08 Nov	Iberia
23 Oct - 09 Nov	KLM
23 Oct - 08 Nov	KLM
24 Oct - 07 Nov	TAP
24 Oct - 09 Nov	Iberia
03 Oct - 19 Oct	Emirates
24 Oct - 08 Nov	Iberia
14 Oct - 25 Oct	Emirates
19 Oct - 02 Nov	Emirates

Also check the deals for one-way flights from Lisbon 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 Lisbon to Hanoi in October from $1040

Return flights