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

Return flights

17 Sep - 22 Sep	SalamAir
25 Sep - 29 Sep	SalamAir
02 Sep - 20 Sep	SalamAir
17 Sep - 28 Sep	SalamAir
19 Sep - 10 Oct	Gulf Air
24 Sep - 28 Sep	Air India
19 Sep - 11 Oct	Gulf Air
13 Sep - 18 Sep	Etihad Airways
09 Sep - 16 Sep	Etihad Airways
01 Sep - 15 Sep	SalamAir
04 Sep - 12 Sep	Air India
13 Sep - 18 Sep	Qatar Airways	direct
19 Sep - 11 Oct	Qatar Airways	direct
19 Sep - 10 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.

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Cheapest return flights from Doha to Hanoi in September from 378€

Return flights