Cheapest return flights from Singapore to Kathmandu in December from 414€

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

17 Dec - 31 Dec Air India
01 Dec - 10 Dec Air India
24 Dec - 31 Dec Thai Airways
10 Dec - 14 Dec Thai Airways
16 Dec - 13 Jan China Southern
14 Dec - 31 Dec Thai AirAsia
24 Dec - 31 Dec Singapore Airlines direct
17 Dec - 31 Dec Singapore Airlines direct
01 Dec - 10 Dec Singapore Airlines direct
10 Dec - 14 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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