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

Return flights

30 Oct - 06 Nov	IndiGo
27 Oct - 20 Nov	IndiGo
31 Oct - 26 Nov	Thai VietJet Air
31 Oct - 15 Nov	Thai VietJet Air
29 Oct - 05 Nov	VietJet Air
31 Oct - 07 Nov	Thai VietJet Air
30 Oct - 10 Nov	VietJet Air
23 Oct - 30 Oct	IndiGo
15 Oct - 21 Oct	IndiGo
30 Oct - 04 Nov	Thai Lion Air
31 Oct - 05 Nov	Thai VietJet Air
20 Oct - 23 Oct	IndiGo
27 Oct - 06 Nov	Thai VietJet Air
28 Oct - 31 Oct	Thai Lion Air
16 Oct - 20 Oct	IndiGo
16 Oct - 21 Oct	IndiGo
19 Oct - 24 Oct	IndiGo
20 Oct - 24 Oct	IndiGo
18 Oct - 22 Oct	IndiGo
17 Oct - 21 Oct	Air India

Also check the deals for one-way flights from Mumbai 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 Mumbai to Hanoi in October from 249€

Return flights