Cheapest return flights from Mumbai to Kathmandu in September from 135€

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

Return flights

01 Sep - 07 Sep Air India
09 Sep - 16 Sep Air India
02 Sep - 07 Sep Air India
05 Sep - 09 Sep Air India
09 Sep - 13 Sep Air India
03 Sep - 15 Sep Air India
03 Sep - 17 Sep Air India
03 Sep - 14 Sep Air India
05 Sep - 07 Sep Air India
07 Sep - 12 Sep Air India
26 Sep - 01 Oct Nepal Airlines
26 Sep - 05 Oct Nepal Airlines
21 Sep - 03 Oct Nepal Airlines
20 Sep - 03 Oct IndiGo
18 Sep - 04 Oct Air India
25 Sep - 19 Oct IndiGo direct
29 Sep - 15 Oct IndiGo
27 Sep - 06 Oct IndiGo direct
30 Sep - 16 Oct IndiGo direct
27 Sep - 04 Oct IndiGo direct

Also check the deals for one-way flights from Mumbai to Kathmandu in September.

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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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