AirHint found the following cheapest return flights from London (STN) to Kathmandu (KTM) in December 2026 (see full year).

Return flights

07 Dec - 21 Dec	Ryanair
03 Dec - 12 Dec	Ryanair
05 Dec - 19 Dec	Ryanair
01 Dec - 07 Dec	Ryanair
02 Dec - 19 Dec	Turkish Airlines
01 Dec - 30 Dec	Ryanair
01 Dec - 21 Dec	Ryanair
12 Dec - 22 Dec	Ryanair
02 Dec - 10 Dec	Ryanair
02 Dec - 11 Dec	Ryanair
05 Dec - 09 Jan	Ryanair
09 Dec - 09 Jan	Ryanair
04 Dec - 09 Jan	Ryanair
10 Dec - 10 Jan	Ryanair
10 Dec - 09 Jan	Ryanair
05 Dec - 02 Jan	Ryanair
02 Dec - 02 Jan	Ryanair
11 Dec - 10 Jan	Ryanair
12 Dec - 10 Jan	Ryanair
07 Dec - 03 Jan	Ryanair

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 654€

Return flights