Cheapest one-way flights from London to Barcelona in September from $29

AirHint found the following cheapest one-way flights from London (LON) to Barcelona (BCN) in September 2026 (see full year).

One-Way flights

01 Sep Wizz Air UK direct
08 Sep Wizz Air UK direct
09 Sep Wizz Air UK direct
12 Sep Wizz Air UK direct
07 Sep Wizz Air UK direct
18 Sep Wizz Air UK direct
04 Sep Wizz Air UK direct
10 Sep Wizz Air UK direct
05 Sep Wizz Air UK direct
27 Sep Ryanair direct

Also check the deals for return flights from London to Barcelona in September.

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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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