Cheapest return LHR–KTM flights, September

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

Return flights

15 Sep - 22 Oct Saudia
07 Sep - 22 Sep Qatar Airways
06 Sep - 06 Oct IndiGo
29 Sep - 29 Oct Saudia
08 Sep - 03 Oct Saudia
08 Sep - 02 Oct Saudia
07 Sep - 20 Sep Etihad Airways
01 Sep - 28 Sep IndiGo
09 Sep - 28 Sep IndiGo
10 Sep - 10 Oct Saudia
07 Sep - 16 Sep Lufthansa
05 Sep - 05 Oct IndiGo
03 Sep - 30 Sep IndiGo
01 Sep - 26 Sep IndiGo
12 Sep - 28 Sep Saudia
04 Sep - 19 Oct IndiGo
08 Sep - 04 Oct IndiGo
01 Sep - 14 Sep Qatar Airways
01 Sep - 23 Sep IndiGo
22 Sep - 11 Oct IndiGo

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

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