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

Return flights

08 Dec - 22 Dec	Lufthansa
26 Dec - 16 Jan	Ryanair
06 Dec - 27 Dec	Air France
01 Dec - 19 Dec	Qatar Airways
28 Dec - 14 Jan	Lufthansa
23 Dec - 09 Jan	Lufthansa
20 Dec - 27 Dec	Ryanair
28 Dec - 24 Jan	Turkish Airlines
29 Dec - 16 Jan	Aer Lingus
16 Dec - 23 Dec	Turkish Airlines
17 Dec - 31 Dec	Lufthansa
27 Dec - 12 Jan	Turkish Airlines
21 Dec - 30 Dec	Turkish Airlines
27 Dec - 17 Jan	Turkish Airlines
26 Dec - 09 Jan	Lufthansa
22 Dec - 05 Jan	Air France
22 Dec - 04 Jan	Air France
19 Dec - 26 Dec	Lufthansa

Also check the deals for one-way flights from Dublin 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 Dublin to Hanoi in December from 656€

Return flights