AirHint found the following cheapest return flights from Dublin (DUB) to Hanoi (HAN) in January 2026 (see full year).

Return flights

05 Jan - 14 Jan	Lufthansa
05 Jan - 18 Jan	Lufthansa
21 Jan - 28 Jan	KLM
29 Jan - 13 Feb	KLM
16 Jan - 25 Jan	Lufthansa
23 Jan - 01 Feb	Aer Lingus
22 Jan - 05 Feb	Aer Lingus
15 Jan - 05 Feb	Aer Lingus
24 Jan - 07 Feb	Turkish Airlines
12 Jan - 17 Jan	Ryanair
19 Jan - 13 Feb	Turkish Airlines
03 Jan - 25 Jan	Turkish Airlines
02 Jan - 29 Jan	Etihad Airways
04 Jan - 18 Jan	Etihad Airways
02 Jan - 02 Feb	Emirates
02 Jan - 17 Jan	Emirates
17 Jan - 24 Jan	Lufthansa
30 Jan - 15 Feb	Lufthansa

Also check the deals for one-way flights from Dublin to Hanoi in January.

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 January from 629€

Return flights