Cheapest one-way flights from Kathmandu to Singapore in September from $199

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

One-Way flights

24 Sep Thai AirAsia
21 Sep Thai Lion Air
30 Sep Nepal Airlines
19 Sep Thai AirAsia
16 Sep Air India
22 Sep Nepal Airlines
29 Sep Air India Express
28 Sep Singapore Airlines direct
24 Sep Singapore Airlines direct
22 Sep Singapore Airlines direct

Also check the deals for return 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.

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