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

Return flights

04 Dec - 07 Dec	ITA Airways
03 Dec - 09 Dec	ITA Airways
03 Dec - 23 Dec	ITA Airways
04 Dec - 17 Dec	ITA Airways
03 Dec - 15 Dec	ITA Airways
08 Dec - 15 Dec	ITA Airways
06 Dec - 15 Dec	ITA Airways
05 Dec - 23 Dec	ITA Airways
29 Dec - 26 Jan	ITA Airways
06 Dec - 17 Dec	ITA Airways
04 Dec - 12 Dec	ITA Airways
06 Dec - 12 Jan	ITA Airways
30 Dec - 08 Jan	ITA Airways
11 Dec - 18 Jan	ITA Airways
06 Dec - 11 Jan	ITA Airways
16 Dec - 13 Jan	ITA Airways
15 Dec - 14 Jan	ITA Airways
24 Dec - 13 Jan	ITA Airways
10 Dec - 10 Jan	ITA Airways
18 Dec - 13 Jan	ITA Airways

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 $869

Return flights