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

Return flights

17 Sep - 29 Sep	Air India
14 Sep - 24 Sep	Etihad Airways
12 Sep - 25 Sep	SalamAir
15 Sep - 03 Oct	SalamAir
17 Sep - 26 Sep	Air India
17 Sep - 20 Sep	Air India
18 Sep - 02 Oct	SalamAir
01 Sep - 05 Sep	flydubai
18 Sep - 26 Sep	Air India
24 Sep - 02 Oct	Air India
15 Sep - 22 Sep	SalamAir
05 Sep - 13 Sep	Air India
02 Sep - 11 Sep	Air India
30 Sep - 07 Oct	SalamAir
26 Sep - 10 Oct	China Southern
30 Sep - 07 Oct	Qatar Airways	direct
18 Sep - 02 Oct	Qatar Airways	direct
15 Sep - 03 Oct	Qatar Airways	direct
26 Sep - 10 Oct	Qatar Airways	direct
24 Sep - 02 Oct	Qatar Airways	direct

Also check the deals for one-way flights from Doha 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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Cheapest return flights from Doha to Hanoi in September from $476

Return flights