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

Return flights

25 Aug - 10 Sep	Wizz Air
19 Aug - 18 Sep	Wizz Air UK
26 Aug - 26 Sep	Wizz Air
29 Aug - 05 Sep	Wizz Air
28 Aug - 12 Sep	Wizz Air
23 Aug - 06 Sep	Wizz Air
22 Aug - 12 Sep	Wizz Air UK
31 Aug - 06 Sep	Wizz Air Malta
22 Aug - 05 Sep	Wizz Air UK
29 Aug - 02 Sep	Wizz Air
28 Aug - 31 Aug	Wizz Air
20 Aug - 31 Aug	Wizz Air
18 Aug - 31 Aug	easyJet
19 Aug - 31 Aug	Wizz Air
17 Aug - 26 Aug	Wizz Air UK
19 Aug - 30 Aug	Wizz Air
24 Aug - 31 Aug	Wizz Air
22 Aug - 29 Aug	Wizz Air UK
16 Aug - 23 Aug	Wizz Air UK
19 Aug - 26 Aug	Ryanair

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 $634

Return flights