Cheapest one-way flights from Kathmandu to Singapore in December from $292

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

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

One-Way flights

05 Dec Thai AirAsia
22 Dec Thai AirAsia
08 Dec Thai AirAsia
10 Dec Thai AirAsia
07 Dec Thai AirAsia
30 Dec Thai Airways
06 Dec IndiGo
26 Dec Thai AirAsia
31 Dec Thai AirAsia
30 Dec Singapore Airlines direct

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

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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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