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

Return flights

06 Apr - 09 Apr	SriLankan Airlines
05 Apr - 12 Apr	SriLankan Airlines
25 Apr - 07 May	SriLankan Airlines
06 Apr - 18 Apr	SriLankan Airlines
11 Apr - 23 Apr	SriLankan Airlines
06 Apr - 09 Apr	IndiGo	direct
01 Apr - 12 Apr	IndiGo	direct
02 Apr - 14 Apr	IndiGo	direct
01 Apr - 15 Apr	IndiGo	direct
01 Apr - 07 Apr	IndiGo	direct
19 Apr - 25 Apr	IndiGo	direct
25 Apr - 07 May	IndiGo	direct
30 Apr - 10 May	IndiGo	direct
15 Apr - 01 May	IndiGo	direct

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

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 April from 188€

Return flights