Cheapest return flights from Barcelona to London in September from 44€

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

Return flights

18 Sep - 23 Sep Ryanair direct
25 Sep - 29 Sep Ryanair direct
25 Sep - 13 Oct Ryanair direct
18 Sep - 29 Sep Ryanair direct
18 Sep - 22 Sep Ryanair direct
18 Sep - 18 Sep Ryanair direct
13 Sep - 23 Sep Ryanair direct
25 Sep - 06 Oct Ryanair direct
16 Sep - 23 Sep Ryanair direct
12 Sep - 23 Sep Ryanair direct
20 Sep - 23 Sep Ryanair direct
13 Sep - 29 Sep Ryanair direct
18 Sep - 06 Oct Ryanair direct
25 Sep - 09 Oct Ryanair direct
25 Sep - 08 Oct Ryanair direct
25 Sep - 07 Oct Ryanair direct
25 Sep - 11 Oct Ryanair direct
25 Sep - 01 Oct Ryanair direct
25 Sep - 14 Oct Ryanair direct
18 Sep - 08 Oct Ryanair direct

Also check the deals for one-way flights from Barcelona to London 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 London

Cheap car rent in London

Feel free to contact us with any feedback or request another flight research.