Cheapest return flights from London to Barcelona in September from $61

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

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

Return flights

27 Sep - 14 Oct Vueling Airlines direct
27 Sep - 15 Oct Vueling Airlines direct
23 Sep - 10 Oct Ryanair direct
23 Sep - 14 Oct Ryanair direct
28 Sep - 14 Oct Ryanair direct
20 Sep - 10 Oct Vueling Airlines direct
22 Sep - 10 Oct Vueling Airlines direct
23 Sep - 11 Oct Ryanair direct
23 Sep - 02 Oct Ryanair direct
23 Sep - 08 Oct Ryanair direct
23 Sep - 25 Sep Ryanair direct
20 Sep - 25 Sep Vueling Airlines direct
22 Sep - 25 Sep Vueling Airlines direct
15 Sep - 18 Sep Vueling Airlines direct
02 Sep - 12 Sep Ryanair direct
02 Sep - 17 Sep Ryanair direct
01 Sep - 12 Sep Ryanair direct
01 Sep - 17 Sep Ryanair direct
08 Sep - 12 Sep Ryanair direct
15 Sep - 25 Sep Vueling Airlines direct

Also check the deals for one-way 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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