Cheapest return flights from Singapore to Kathmandu in December from 418€

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

Return flights

16 Dec - 05 Jan Cathay Pacific
29 Dec - 10 Jan Cathay Pacific
24 Dec - 28 Dec SriLankan Airlines
04 Dec - 10 Dec Thai Airways
01 Dec - 12 Dec Air India
08 Dec - 13 Dec Air India
20 Dec - 27 Dec Thai Airways
08 Dec - 21 Dec Thai Airways
22 Dec - 27 Dec IndiGo
29 Dec - 10 Jan Singapore Airlines direct
16 Dec - 05 Jan Singapore Airlines direct
20 Dec - 27 Dec Singapore Airlines direct
24 Dec - 28 Dec Singapore Airlines direct
08 Dec - 21 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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