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

Return flights

24 Sep - 01 Oct	Etihad Airways
16 Sep - 30 Sep	Etihad Airways
05 Sep - 09 Sep	Air India
30 Sep - 15 Oct	Air India
13 Sep - 16 Sep	Air Arabia Abu Dhabi
02 Sep - 13 Sep	Etihad Airways
20 Sep - 11 Oct	Air India Express
04 Sep - 07 Sep	Air India
20 Sep - 29 Sep	Etihad Airways
10 Sep - 21 Sep	Etihad Airways
10 Sep - 17 Sep	Etihad Airways
28 Sep - 15 Oct	Air India

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

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 Abu Dhabi to Hanoi in September from 387€

Return flights