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

Return flights

05 May - 12 May	Air India
21 May - 26 May	Air India
30 May - 02 Jun	Air India
05 May - 12 May	IndiGo	direct
21 May - 26 May	IndiGo	direct
30 May - 02 Jun	IndiGo	direct
11 May - 17 May	Air India
01 May - 17 May	Air India
11 May - 17 May	IndiGo	direct
01 May - 17 May	IndiGo	direct

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.

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu

Cheapest return flights from Mumbai to Kathmandu in May from 148€

Return flights