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

Return flights

04 Dec - 11 Dec	Wizz Air UK
03 Dec - 26 Dec	Wizz Air UK
06 Dec - 27 Dec	Wizz Air UK
26 Dec - 23 Jan	Wizz Air UK
31 Dec - 14 Jan	Wizz Air UK
28 Dec - 11 Jan	Wizz Air UK
07 Dec - 01 Jan	Wizz Air UK
27 Dec - 11 Jan	Wizz Air UK
15 Dec - 09 Jan	Vueling Airlines
17 Dec - 23 Jan	Wizz Air Malta
15 Dec - 22 Dec	Wizz Air UK
15 Dec - 05 Jan	Vueling Airlines
06 Dec - 29 Dec	Wizz Air UK
04 Dec - 01 Jan	easyJet
27 Dec - 10 Jan	Wizz Air UK
01 Dec - 15 Dec	Emirates
01 Dec - 20 Dec	Qatar Airways
09 Dec - 23 Dec	Turkish Airlines
08 Dec - 23 Dec	Turkish Airlines
20 Dec - 31 Dec	Wizz Air UK

Also check the deals for one-way flights from London 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 London to Kathmandu in December from $694

Return flights