Cheapest return flights from Dublin to Hanoi in September from $744

Best time to book flights for Dublin (DUB) to Hanoi (HAN) flights at AirHint

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

Return flights

01 Sep - 08 Sep IndiGo
27 Sep - 12 Oct Qatar Airways
01 Sep - 30 Sep IndiGo
05 Sep - 15 Sep Etihad Airways
27 Sep - 11 Oct Ryanair
22 Sep - 05 Oct British Airways
22 Sep - 06 Oct British Airways
09 Sep - 22 Sep Aer Lingus
28 Sep - 19 Oct British Airways
16 Sep - 29 Sep Qatar Airways
12 Sep - 24 Sep Qatar Airways
01 Sep - 15 Sep Aer Lingus
12 Sep - 18 Sep Qatar Airways
15 Sep - 28 Sep Ryanair
08 Sep - 28 Sep Aer Lingus
20 Sep - 04 Oct Aer Lingus

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

Skyscanner

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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