Cheapest return flights from London to Kathmandu in September from $716

Best time to book flights for London (STN) to Kathmandu (KTM) flights at AirHint

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

Return flights

21 Sep - 05 Oct Pegasus Airlines
21 Sep - 08 Oct Ryanair
23 Sep - 08 Oct Ryanair
28 Sep - 24 Oct Pegasus Airlines
28 Sep - 23 Oct Pegasus Airlines
14 Sep - 24 Sep Ryanair
15 Sep - 28 Sep Ryanair
18 Sep - 08 Oct AJet
20 Sep - 18 Oct AJet
21 Sep - 09 Oct AJet
18 Sep - 03 Oct Pegasus Airlines
28 Sep - 10 Oct Pegasus Airlines
17 Sep - 24 Sep Ryanair
08 Sep - 21 Sep Pegasus Airlines
02 Sep - 25 Sep Ryanair
10 Sep - 11 Sep Ryanair
01 Sep - 17 Sep Ryanair
15 Sep - 22 Sep Ryanair
03 Sep - 30 Sep Pegasus Airlines
04 Sep - 30 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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