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

Return flights

26 Dec - 25 Jan	VietJet Air
30 Dec - 11 Jan	VietJet Air
30 Dec - 12 Jan	Air China
30 Dec - 10 Jan	VietJet Air
26 Dec - 31 Dec	AirAsia X
30 Dec - 13 Jan	VietJet Air
29 Dec - 01 Jan	Sichuan Airlines
24 Dec - 29 Dec	AirAsia X
24 Dec - 26 Dec	AirAsia X
27 Dec - 03 Jan	Thai VietJet Air
25 Dec - 29 Dec	Thai VietJet Air
30 Dec - 02 Jan	Air China
24 Dec - 02 Jan	AirAsia X
25 Dec - 03 Jan	Thai VietJet Air
25 Dec - 28 Dec	Thai VietJet Air

Also check the deals for one-way flights from Taipei to Kathmandu in December.

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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Cheapest return flights from Taipei to Kathmandu in December from 429€

Return flights