AirHint found the following cheapest return flights from Dammam (DMM) to Hanoi (HAN) in October 2025 (see full year).

Return flights

06 Oct - 15 Oct	Air India Express
03 Oct - 10 Oct	Air India Express
05 Oct - 16 Oct	SalamAir
28 Oct - 07 Nov	SalamAir
01 Oct - 15 Oct	IndiGo
19 Oct - 31 Oct	SalamAir
19 Oct - 26 Oct	SalamAir
10 Oct - 22 Oct	Air India Express
04 Oct - 06 Oct	Air India
04 Oct - 16 Oct	Air India
17 Oct - 25 Oct	Air India

Also check the deals for one-way flights from Dammam to Hanoi in October.

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 Dammam to Hanoi in October from $441

Return flights