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

Return flights

21 Jul - 28 Jul	Air India
02 Jul - 07 Jul	Air India
26 Jul - 27 Jul	Air India
11 Jul - 11 Jul	Air India
06 Jul - 13 Jul	Air India
06 Jul - 13 Jul	Nepal Airlines	direct
06 Jul - 12 Jul	IndiGo	direct
15 Jul - 22 Jul	IndiGo	direct
21 Jul - 25 Jul	IndiGo	direct
25 Jul - 31 Jul	IndiGo	direct
31 Jul - 09 Aug	IndiGo	direct
31 Jul - 03 Aug	IndiGo	direct
19 Jul - 04 Aug	IndiGo	direct
29 Jul - 03 Aug	IndiGo	direct
29 Jul - 01 Aug	IndiGo	direct
31 Jul - 13 Aug	SriLankan Airlines
30 Jul - 06 Aug	IndiGo	direct
28 Jul - 03 Aug	SriLankan Airlines

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

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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Cheapest return flights from Mumbai to Kathmandu in July from 139€

Return flights