Cheapest return flights from London to Kathmandu in September from $618

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

Return flights

16 Sep - 06 Oct AJet
19 Sep - 10 Oct Pegasus Airlines
17 Sep - 15 Oct Pegasus Airlines
29 Sep - 14 Oct Wizz Air
19 Sep - 06 Oct Pegasus Airlines
17 Sep - 24 Sep Pegasus Airlines
16 Sep - 30 Sep AJet
18 Sep - 18 Oct Pegasus Airlines
19 Sep - 22 Sep Pegasus Airlines
21 Sep - 24 Sep Pegasus Airlines
18 Sep - 23 Sep Pegasus Airlines
20 Sep - 11 Oct Pegasus Airlines
24 Sep - 10 Oct Pegasus Airlines
27 Sep - 06 Oct Pegasus Airlines
17 Sep - 02 Oct Pegasus Airlines
20 Sep - 27 Sep Pegasus Airlines
16 Sep - 29 Sep AJet
16 Sep - 28 Sep AJet
18 Sep - 28 Sep Pegasus Airlines
19 Sep - 23 Sep Pegasus Airlines

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

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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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