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

Return flights

12 Oct - 15 Oct	SriLankan Airlines
04 Oct - 15 Oct	Air India
09 Oct - 16 Oct	Air India
03 Oct - 18 Oct	Air India
30 Oct - 19 Nov	IndiGo
01 Oct - 12 Oct	Nepal Airlines
02 Oct - 09 Oct	Air India
14 Oct - 17 Oct	Air India
28 Oct - 05 Nov	SriLankan Airlines
02 Oct - 08 Oct	Air India
09 Oct - 22 Oct	Air India Express
09 Oct - 13 Oct	Air India Express
31 Oct - 06 Nov	IndiGo
23 Oct - 01 Nov	Air India
24 Oct - 13 Nov	Air India Express
31 Oct - 13 Nov	Air India Express
29 Oct - 13 Nov	Air India Express
28 Oct - 04 Nov	IndiGo	direct
15 Oct - 01 Nov	Air India
31 Oct - 19 Nov	Air India Express

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 204€

Return flights