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

Return flights

04 May - 25 May	Etihad Airways
03 May - 17 May	Etihad Airways
04 May - 18 May	SWISS
09 May - 23 May	Turkish Airlines
07 May - 14 May	SWISS
01 May - 18 May	SWISS
25 May - 29 Jun	Etihad Airways
18 May - 01 Jun	KLM
29 May - 12 Jun	Turkish Airlines
29 May - 14 Jun	Turkish Airlines
23 May - 27 Jun	Ryanair
23 May - 06 Jun	Ryanair
06 May - 15 May	SWISS
01 May - 12 May	SWISS
01 May - 15 May	Ryanair
17 May - 31 May	Aer Lingus

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

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 May from 666€

Return flights