Cheapest return flights from Barcelona to London in September from $71

Best time to book flights for Barcelona (BCN) to London (LTN) flights at AirHint

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

Return flights

18 Sep - 24 Sep Ryanair direct
18 Sep - 27 Sep Ryanair direct
10 Sep - 24 Sep Ryanair direct
10 Sep - 27 Sep Ryanair direct
25 Sep - 27 Sep Ryanair direct
09 Sep - 24 Sep Ryanair direct
09 Sep - 27 Sep Ryanair direct
23 Sep - 24 Sep Ryanair direct
23 Sep - 27 Sep Ryanair direct
18 Sep - 07 Oct Ryanair direct
25 Sep - 07 Oct Ryanair direct
30 Sep - 07 Oct Ryanair direct
23 Sep - 07 Oct Ryanair direct
25 Sep - 30 Sep Ryanair direct
18 Sep - 06 Oct Ryanair direct
25 Sep - 15 Oct Ryanair direct
25 Sep - 11 Oct Ryanair direct
25 Sep - 06 Oct Ryanair direct
30 Sep - 15 Oct Ryanair direct
30 Sep - 11 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.

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