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

Return flights

03 Oct - 05 Oct	Nepal Airlines	direct
17 Oct - 24 Oct	Nepal Airlines	direct
10 Oct - 17 Oct	Nepal Airlines	direct
25 Oct - 09 Nov	Air India
19 Oct - 26 Oct	Nepal Airlines	direct
02 Oct - 07 Oct	IndiGo	direct
01 Oct - 05 Oct	IndiGo	direct
09 Oct - 16 Oct	IndiGo	direct
01 Oct - 04 Oct	Nepal Airlines
20 Oct - 03 Nov	IndiGo	direct
31 Oct - 05 Nov	IndiGo
24 Oct - 31 Oct	Air India
27 Oct - 03 Nov	IndiGo	direct
18 Oct - 23 Oct	IndiGo	direct
10 Oct - 02 Nov	IndiGo
31 Oct - 07 Nov	IndiGo
25 Oct - 10 Nov	IndiGo	direct
26 Oct - 02 Nov	IndiGo

Also check the deals for one-way flights from Mumbai to Kathmandu 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 Kathmandu in October from 251€

Return flights