Cheapest return flights from Barcelona to Kathmandu in September from $778

Best time to book flights for Barcelona (BCN) to Kathmandu (KTM) flights at AirHint

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

Return flights

11 Sep - 01 Oct Pegasus Airlines
16 Sep - 01 Oct Pegasus Airlines
11 Sep - 27 Sep Pegasus Airlines
01 Sep - 30 Sep Wizz Air Malta
08 Sep - 19 Sep Pegasus Airlines
01 Sep - 01 Oct Wizz Air Malta
10 Sep - 26 Sep ITA Airways
01 Sep - 14 Sep Wizz Air Malta
29 Sep - 29 Oct Pegasus Airlines
01 Sep - 02 Oct ITA Airways
20 Sep - 30 Sep Pegasus Airlines
26 Sep - 19 Oct Air France
28 Sep - 29 Oct Pegasus Airlines
29 Sep - 30 Oct Pegasus Airlines
30 Sep - 30 Oct Pegasus Airlines
26 Sep - 26 Oct ITA Airways

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

Skyscanner

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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