Cheapest return flights from London to Kathmandu in September from $682

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

Return flights

23 Sep - 28 Sep Brussels Airlines
04 Sep - 21 Sep Turkish Airlines
11 Sep - 28 Sep Turkish Airlines
12 Sep - 28 Sep Turkish Airlines
10 Sep - 18 Sep British Airways
11 Sep - 27 Sep Turkish Airlines
10 Sep - 30 Sep British Airways
10 Sep - 26 Sep British Airways
12 Sep - 27 Sep Turkish Airlines
13 Sep - 27 Sep British Airways
18 Sep - 13 Oct Brussels Airlines
12 Sep - 07 Oct Turkish Airlines
10 Sep - 01 Oct Turkish Airlines
08 Sep - 05 Oct Brussels Airlines
10 Sep - 10 Oct British Airways
10 Sep - 15 Oct Turkish Airlines
13 Sep - 04 Oct British Airways
13 Sep - 06 Oct British Airways
13 Sep - 08 Oct British Airways
19 Sep - 17 Oct Turkish Airlines

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

Skyscanner

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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