Cheapest return BOM–KTM flights, September

AirHint found the following cheapest return flights from Mumbai (BOM) to Kathmandu (KTM) in September 2026 (see full year).

Return flights

03 Sep - 10 Sep SriLankan Airlines
02 Sep - 07 Sep SriLankan Airlines
14 Sep - 16 Sep SriLankan Airlines
24 Sep - 01 Oct SriLankan Airlines
29 Sep - 07 Oct IndiGo direct
28 Sep - 07 Oct IndiGo direct
25 Sep - 30 Sep IndiGo direct
26 Sep - 07 Oct IndiGo direct
23 Sep - 28 Sep IndiGo direct
18 Sep - 25 Sep IndiGo direct
20 Sep - 30 Sep IndiGo direct
24 Sep - 07 Oct IndiGo direct
13 Sep - 16 Sep IndiGo
13 Sep - 16 Sep IndiGo direct
14 Sep - 16 Sep IndiGo direct
24 Sep - 01 Oct IndiGo direct
18 Sep - 02 Oct IndiGo
14 Sep - 02 Oct Air India
20 Sep - 08 Oct Air India Express
20 Sep - 01 Oct Air India Express

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

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