AirHint found the following cheapest return flights from Singapore (SIN) to Kathmandu (KTM) in June 2026 (see full year).

Return flights

10 Jun - 17 Jun	Air India
05 Jun - 23 Jun	Air India
27 Jun - 10 Jul	Air India
03 Jun - 09 Jun	Air India
03 Jun - 11 Jun	Air India
04 Jun - 11 Jun	Air India
18 Jun - 23 Jun	Air India
03 Jun - 10 Jun	Air India
18 Jun - 23 Jun	Singapore Airlines	direct
03 Jun - 09 Jun	Singapore Airlines	direct
10 Jun - 17 Jun	Singapore Airlines	direct
27 Jun - 10 Jul	Singapore Airlines	direct

Also check the deals for one-way flights from Singapore to Kathmandu in June.

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 Singapore to Kathmandu in June from 390€

Return flights