Cheapest one-way flights from Mumbai to Kathmandu in September from $86

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

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

One-Way flights

08 Sep SriLankan Airlines
04 Sep SriLankan Airlines
11 Sep SriLankan Airlines
18 Sep SriLankan Airlines
28 Sep IndiGo direct
08 Sep IndiGo direct
11 Sep IndiGo direct
29 Sep IndiGo direct
13 Sep IndiGo direct
27 Sep IndiGo direct

Also check the deals for return 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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