Cheapest return flights from Barcelona to Kathmandu in September from $738

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

20 Sep - 12 Oct Vueling Airlines
23 Sep - 22 Oct Pegasus Airlines
18 Sep - 08 Oct Pegasus Airlines
19 Sep - 11 Oct Air China
15 Sep - 29 Sep Pegasus Airlines
06 Sep - 05 Oct Ryanair
18 Sep - 07 Oct Pegasus Airlines
19 Sep - 12 Oct Ryanair
01 Sep - 30 Sep Pegasus Airlines
06 Sep - 27 Sep Ryanair
24 Sep - 22 Oct ITA Airways
23 Sep - 21 Oct Pegasus Airlines
11 Sep - 27 Sep Pegasus Airlines
01 Sep - 21 Sep Pegasus Airlines
01 Sep - 16 Sep Pegasus Airlines
02 Sep - 07 Sep Ryanair
01 Sep - 14 Sep Pegasus Airlines
26 Sep - 18 Oct Air France

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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