Cheapest return flights from London to Kathmandu in December from $2067

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

Return flights

06 Dec - 20 Dec SWISS
13 Dec - 01 Jan SWISS
09 Dec - 07 Jan SWISS
09 Dec - 15 Jan British Airways
05 Dec - 04 Jan Lufthansa
16 Dec - 06 Jan SWISS
08 Dec - 23 Dec Lufthansa
16 Dec - 08 Jan SWISS
11 Dec - 02 Jan Lufthansa
16 Dec - 30 Dec British Airways
15 Dec - 06 Jan Lufthansa
17 Dec - 08 Jan SWISS
16 Dec - 09 Jan British Airways
22 Dec - 30 Dec KLM
18 Dec - 31 Dec KLM

Also check the deals for one-way flights from London 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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