Cheapest return flights from Singapore to Kathmandu in December from $342

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

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

Return flights

30 Dec - 11 Jan SriLankan Airlines
31 Dec - 11 Jan SriLankan Airlines
03 Dec - 16 Dec Air India
20 Dec - 28 Dec SriLankan Airlines
20 Dec - 27 Dec Cathay Pacific
26 Dec - 04 Jan Cathay Pacific
28 Dec - 11 Jan Thai AirAsia
02 Dec - 08 Dec Thai AirAsia
02 Dec - 07 Dec Thai AirAsia
28 Dec - 04 Jan Thai AirAsia
30 Dec - 04 Jan Thai AirAsia
20 Dec - 04 Jan Thai AirAsia
07 Dec - 28 Dec Thai AirAsia
26 Dec - 04 Jan Singapore Airlines direct
20 Dec - 28 Dec Singapore Airlines direct
30 Dec - 11 Jan Singapore Airlines direct
31 Dec - 11 Jan Singapore Airlines direct
20 Dec - 27 Dec Singapore Airlines direct
02 Dec - 08 Dec Singapore Airlines direct
03 Dec - 16 Dec Singapore Airlines direct

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