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

Return flights

30 Dec - 14 Jan	Ryanair
28 Dec - 11 Jan	Ryanair
27 Dec - 14 Jan	Ryanair
22 Dec - 30 Dec	Ryanair
28 Dec - 10 Jan	Ryanair
27 Dec - 13 Jan	Ryanair
24 Dec - 10 Jan	Vueling Airlines
27 Dec - 15 Jan	Ryanair
29 Dec - 30 Jan	Ryanair
27 Dec - 10 Jan	Ryanair
15 Dec - 22 Dec	Ryanair
27 Dec - 09 Jan	Ryanair
26 Dec - 29 Dec	easyJet
21 Dec - 28 Dec	Pegasus Airlines
19 Dec - 29 Dec	Wizz Air
19 Dec - 26 Dec	Wizz Air
22 Dec - 29 Dec	Iberia

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

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 December from $803

Return flights