Cheapest return SIN–KTM flights, December

AirHint found the following cheapest return flights from Singapore (SIN) to Kathmandu (KTM) in December 2026 (see full year).

Return flights

26 Dec - 09 Jan Air India
05 Dec - 13 Dec SriLankan Airlines
23 Dec - 02 Jan Air India
22 Dec - 01 Jan Air India
26 Dec - 09 Jan Singapore Airlines direct
18 Dec - 25 Dec Singapore Airlines direct
03 Dec - 19 Dec Thai Airways
02 Dec - 18 Dec Thai Airways
23 Dec - 02 Jan Singapore Airlines direct
22 Dec - 01 Jan Singapore Airlines direct
05 Dec - 13 Dec Singapore Airlines direct
03 Dec - 19 Dec Singapore Airlines direct
02 Dec - 18 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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