Cheapest one-way flights from Basel to Barcelona in September from 28€

Best time to book flights for Basel (BSL) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest one-way flights from Basel (BSL) to Barcelona (BCN) in September 2025 (see full year).

One-Way flights

17 Sep Vueling Airlines direct
30 Sep easyJet direct
24 Sep Vueling Airlines direct
08 Sep Vueling Airlines direct
15 Sep Vueling Airlines direct
02 Sep easyJet direct
01 Sep easyJet direct
07 Sep Vueling Airlines direct
04 Sep Vueling Airlines direct
25 Sep Vueling Airlines direct

Also check the deals for return flights from Basel to Barcelona 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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona