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

Return flights

26 Dec - 01 Jan	easyJet
28 Dec - 04 Jan	Ryanair
24 Dec - 02 Jan	Ryanair
19 Dec - 29 Dec	easyJet
20 Dec - 15 Jan	Royal Air Maroc
25 Dec - 02 Jan	easyJet
20 Dec - 05 Jan	Ryanair
07 Dec - 20 Dec	Turkish Airlines
25 Dec - 04 Jan	easyJet
19 Dec - 05 Jan	easyJet
31 Dec - 14 Jan	Lufthansa
19 Dec - 08 Jan	Etihad Airways
18 Dec - 21 Dec	Emirates
25 Dec - 31 Dec	Qatar Airways

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 $872

Return flights