Cheapest return flights from Kathmandu to Singapore in September from 398€

AirHint found the following cheapest return flights from Kathmandu (KTM) to Singapore (SIN) in September 2025 (see full year).

Return flights

29 Sep - 05 Oct SriLankan Airlines
15 Sep - 20 Sep IndiGo
26 Sep - 02 Oct IndiGo
27 Sep - 05 Oct IndiGo
26 Sep - 01 Oct IndiGo
26 Sep - 02 Oct Singapore Airlines direct
29 Sep - 05 Oct Singapore Airlines direct
27 Sep - 05 Oct Singapore Airlines direct
15 Sep - 20 Sep Singapore Airlines direct

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

Skyscanner

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 Singapore

Cheap car rent in Singapore

Feel free to contact us with any feedback or request another flight research.