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

Return flights

17 Oct - 20 Oct	VietJet Air
17 Oct - 21 Oct	VietJet Air
01 Oct - 05 Oct	VietJet Air
09 Oct - 31 Oct	VietJet Air
01 Oct - 06 Oct	Thai AirAsia
03 Oct - 06 Oct	Thai AirAsia
01 Oct - 12 Oct	Thai AirAsia
10 Oct - 12 Oct	Thai AirAsia
03 Oct - 12 Oct	Thai AirAsia
06 Oct - 12 Oct	Thai AirAsia

Also check the deals for one-way flights from Hanoi to Delhi 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 Hanoi to Delhi in October from $228

Return flights