Cheapest return flights from Barcelona to Kathmandu in September from $680

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

01 Sep - 18 Sep Pegasus Airlines
02 Sep - 15 Sep Pegasus Airlines
01 Sep - 19 Sep Pegasus Airlines
09 Sep - 16 Sep Vueling Airlines
03 Sep - 20 Oct Air China
01 Sep - 20 Sep Vueling Airlines
10 Sep - 24 Sep Ryanair
15 Sep - 21 Sep Vueling Airlines
03 Sep - 18 Sep Wizz Air Malta
10 Sep - 26 Sep Ryanair
30 Sep - 21 Oct Vueling Airlines
25 Sep - 15 Oct Vueling Airlines
22 Sep - 31 Oct Vueling Airlines
30 Sep - 29 Oct Vueling Airlines
18 Sep - 08 Oct Vueling Airlines
30 Sep - 22 Oct Vueling Airlines
20 Sep - 12 Oct Vueling Airlines
25 Sep - 25 Oct Norwegian Air Sweden AOC
27 Sep - 28 Oct Wizz Air Malta
05 Sep - 28 Sep Ryanair

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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