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

Return flights

25 Aug - 14 Sep	Wizz Air UK
12 Aug - 09 Sep	Wizz Air UK
26 Aug - 16 Sep	Ryanair
08 Aug - 14 Sep	Wizz Air UK
25 Aug - 06 Sep	Wizz Air UK
04 Aug - 10 Sep	Wizz Air UK
07 Aug - 03 Sep	Wizz Air UK
14 Aug - 03 Sep	Wizz Air UK
14 Aug - 21 Aug	Wizz Air UK
11 Aug - 21 Aug	Wizz Air UK
11 Aug - 18 Aug	Wizz Air UK
08 Aug - 01 Sep	Wizz Air UK
20 Aug - 09 Sep	Pegasus Airlines
06 Aug - 13 Aug	Ryanair
09 Aug - 16 Aug	Wizz Air UK
15 Aug - 26 Aug	Wizz Air UK
12 Aug - 15 Aug	Wizz Air UK
23 Aug - 31 Aug	Wizz Air UK
11 Aug - 31 Aug	Wizz Air UK
08 Aug - 24 Aug	Wizz Air UK

Also check the deals for one-way flights from London to Kathmandu in August.

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 August from $640

Return flights