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

Return flights

28 Aug - 25 Sep	LOT
30 Aug - 29 Sep	LOT
29 Aug - 20 Sep	LOT
28 Aug - 20 Sep	LOT
28 Aug - 13 Sep	LOT
27 Aug - 18 Sep	LOT
23 Aug - 14 Sep	LOT
30 Aug - 30 Sep	Etihad Airways
30 Aug - 15 Sep	Etihad Airways
31 Aug - 30 Sep	Etihad Airways
05 Aug - 12 Aug	Qatar Airways
24 Aug - 31 Aug	LOT
17 Aug - 31 Aug	LOT
11 Aug - 27 Aug	LOT
17 Aug - 23 Aug	LOT
18 Aug - 19 Aug	Lufthansa
12 Aug - 27 Aug	LOT
03 Aug - 16 Aug	Aegean Airlines
15 Aug - 22 Aug	LOT
06 Aug - 24 Aug	LOT

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 635€

Return flights