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

Return flights

20 May - 26 May	Air India
13 May - 19 May	Air India
04 May - 11 May	IndiGo	direct
09 May - 18 May	IndiGo	direct
21 May - 03 Jun	IndiGo	direct
02 May - 09 May	IndiGo	direct
10 May - 30 May	IndiGo
11 May - 17 May	IndiGo
01 May - 08 May	IndiGo

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

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 May from 163€

Return flights