Cheapest return flights from Mumbai to Kathmandu in September from $249

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

01 Sep - 07 Sep IndiGo direct
10 Sep - 10 Sep Air India
04 Sep - 12 Sep Air India
01 Sep - 14 Sep Air India
01 Sep - 15 Sep IndiGo direct
10 Sep - 25 Sep Air India
04 Sep - 12 Sep IndiGo direct
01 Sep - 14 Sep IndiGo direct
29 Sep - 12 Oct IndiGo direct
08 Sep - 12 Sep Akasa Air
08 Sep - 12 Sep IndiGo direct
27 Sep - 12 Oct IndiGo
30 Sep - 28 Oct IndiGo direct
25 Sep - 05 Oct IndiGo direct
27 Sep - 12 Oct IndiGo direct
27 Sep - 11 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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