Cheapest return BCN–KTM flights, September

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

Return flights

08 Sep - 29 Sep Vueling Airlines
17 Sep - 07 Oct Kuwait Airways
05 Sep - 14 Sep Turkish Airlines
01 Sep - 15 Sep Kuwait Airways
08 Sep - 17 Sep Kuwait Airways
19 Sep - 09 Oct Wizz Air Malta
17 Sep - 06 Oct Wizz Air Malta
16 Sep - 27 Sep Ryanair
17 Sep - 27 Sep Wizz Air Malta
28 Sep - 15 Oct Wizz Air Malta
09 Sep - 18 Sep Wizz Air Malta
04 Sep - 22 Sep Wizz Air
11 Sep - 17 Sep Turkish Airlines
07 Sep - 19 Sep Wizz Air Malta
19 Sep - 25 Oct easyJet

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

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