Cheapest return flights from London to Kathmandu in September from $635

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

Return flights

17 Sep - 27 Sep Pegasus Airlines
12 Sep - 26 Sep Pegasus Airlines
15 Sep - 04 Oct Pegasus Airlines
19 Sep - 30 Sep Pegasus Airlines
19 Sep - 09 Oct Pegasus Airlines
18 Sep - 03 Oct Pegasus Airlines
23 Sep - 15 Oct Ryanair
12 Sep - 28 Sep Pegasus Airlines
27 Sep - 17 Oct Pegasus Airlines
25 Sep - 03 Oct AJet
16 Sep - 05 Oct Pegasus Airlines
01 Sep - 08 Sep Pegasus Airlines
15 Sep - 22 Sep Pegasus Airlines
01 Sep - 20 Sep Pegasus Airlines
08 Sep - 15 Sep AJet
09 Sep - 24 Sep Pegasus Airlines
24 Sep - 11 Oct Pegasus Airlines
04 Sep - 20 Sep Pegasus Airlines
15 Sep - 08 Oct Turkish Airlines

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

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