Cheapest return flights from Barcelona to London in September from $80

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

12 Sep - 24 Sep Ryanair direct
12 Sep - 30 Sep Ryanair direct
12 Sep - 23 Sep Ryanair direct
10 Sep - 24 Sep Ryanair direct
10 Sep - 30 Sep Ryanair direct
10 Sep - 23 Sep Ryanair direct
12 Sep - 29 Sep Ryanair direct
10 Sep - 29 Sep Ryanair direct
17 Sep - 21 Sep easyJet direct
12 Sep - 27 Sep Ryanair direct
12 Sep - 01 Oct Ryanair direct
10 Sep - 01 Oct Ryanair direct
24 Sep - 14 Oct Ryanair direct
12 Sep - 02 Oct Ryanair direct
24 Sep - 15 Oct Ryanair direct
24 Sep - 06 Oct Ryanair direct
24 Sep - 01 Oct Ryanair direct
25 Sep - 14 Oct Ryanair direct
26 Sep - 14 Oct Ryanair direct
24 Sep - 02 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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