Cheapest return flights from Mumbai to Kathmandu in September from $292

Best time to book flights for Mumbai (BOM) to Kathmandu (KTM) flights at AirHint

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

Return flights

11 Sep - 15 Sep Air India
10 Sep - 14 Sep Air India
04 Sep - 08 Sep Air India
11 Sep - 15 Sep IndiGo direct
23 Sep - 29 Sep IndiGo direct
04 Sep - 08 Sep IndiGo direct
05 Sep - 08 Sep IndiGo direct
10 Sep - 17 Sep Air India
11 Sep - 14 Sep Air India
10 Sep - 15 Sep Air India
23 Sep - 22 Oct IndiGo direct
28 Sep - 05 Oct IndiGo direct
27 Sep - 07 Oct IndiGo direct

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

Skyscanner

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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