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

Return flights

24 Aug - 17 Sep	Virgin Atlantic
28 Aug - 26 Sep	Virgin Atlantic
12 Aug - 19 Aug	Lufthansa
26 Aug - 12 Sep	Lufthansa
15 Aug - 12 Sep	SWISS
26 Aug - 09 Sep	Virgin Atlantic
16 Aug - 12 Sep	Virgin Atlantic
01 Aug - 10 Aug	Virgin Atlantic
10 Aug - 16 Aug	Virgin Atlantic
04 Aug - 29 Aug	SWISS
03 Aug - 23 Aug	Virgin Atlantic
04 Aug - 01 Sep	Lufthansa
04 Aug - 28 Aug	SWISS
22 Aug - 31 Aug	Etihad Airways
21 Aug - 30 Aug	LOT
03 Aug - 27 Aug	Lufthansa
17 Aug - 06 Sep	Air India
02 Aug - 29 Aug	SWISS
15 Aug - 13 Sep	Emirates
07 Aug - 09 Sep	China Southern

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 681€

Return flights