Cheapest return flights from Kathmandu to Singapore in December from 366€

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

Return flights

21 Dec - 04 Jan SriLankan Airlines
01 Dec - 11 Dec Thai AirAsia
10 Dec - 11 Dec Thai AirAsia
10 Dec - 14 Dec Thai AirAsia
17 Dec - 18 Dec Thai AirAsia
03 Dec - 11 Dec Thai AirAsia
01 Dec - 02 Dec Thai AirAsia
01 Dec - 18 Dec Thai AirAsia
17 Dec - 04 Jan Thai AirAsia
03 Dec - 14 Dec Thai AirAsia
01 Dec - 07 Dec Thai AirAsia
05 Dec - 11 Dec Thai AirAsia
21 Dec - 04 Jan Singapore Airlines direct
24 Dec - 04 Jan Thai AirAsia
28 Dec - 04 Jan Thai AirAsia
26 Dec - 04 Jan Thai AirAsia

Also check the deals for one-way 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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