Cheapest one-way flights from Singapore to Kathmandu in September from $211

Best time to book flights for Singapore (SIN) to Kathmandu (KTM) flights at AirHint

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

One-Way flights

23 Sep Scoot Tigerair
12 Sep AirAsia
10 Sep SriLankan Airlines
11 Sep IndiGo
10 Sep Singapore Airlines direct
11 Sep Singapore Airlines direct
12 Sep Singapore Airlines direct

Also check the deals for return flights from Singapore to Kathmandu in September.

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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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