Cheapest one-way flights from London to Barcelona in September from $30

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

One-Way flights

01 Sep Ryanair direct
30 Sep Ryanair direct
27 Sep Ryanair direct
09 Sep Ryanair direct
29 Sep Ryanair direct
03 Sep Ryanair direct
17 Sep Ryanair direct
05 Sep Ryanair direct
22 Sep Ryanair direct
19 Sep Ryanair direct

Also check the deals for return flights from London 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.

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