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

Return flights

06 Oct - 16 Oct	IndiGo
26 Oct - 31 Oct	VietJet Air
03 Oct - 11 Oct	VietJet Air
20 Oct - 29 Oct	VietJet Air
29 Oct - 06 Nov	IndiGo
25 Oct - 30 Oct	VietJet Air
08 Oct - 13 Oct	VietJet Air
09 Oct - 16 Oct	Akasa Air
31 Oct - 04 Nov	IndiGo
10 Oct - 15 Oct	VietJet Air
10 Oct - 19 Oct	VietJet Air
01 Oct - 28 Oct	AirAsia X
26 Oct - 20 Nov	VietJet Air
30 Oct - 06 Nov	IndiGo
31 Oct - 09 Nov	VietJet Air
31 Oct - 05 Nov	VietJet Air
28 Oct - 05 Nov	IndiGo
26 Oct - 04 Nov	IndiGo
29 Oct - 16 Nov	Thai AirAsia X
29 Oct - 10 Nov	Thai AirAsia X

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

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Cheapest return flights from Delhi to Hanoi in October from 244€

Return flights