London (LGW) to Barcelona (BCN): 689 miles (1,109 km) great-circle, about 1h 55m nonstop by our estimate. Cheapest fare observed: $77 round-trip on Vueling, nonstop, departing May 11, 2026.
$77 round-trip, Vueling VY7829, departing 2026-05-11 at 21:05, returning 2026-05-17. The recorded itinerary left on a Monday, returning on a Sunday 6 nights later; the fare was observed 16 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $77, it ranked 2nd of the 30 round-trip fares we recorded from LGW (median $463). That is 11.2 cents per great-circle mile (round-trip price over one-way distance), below the LGW median of 18.3 cents across 30 round-trip routes.
Routes from LGW of similar length: Nice (622 mi) at $167 and Milan (558 mi) at $88.
LGW to BCN is the only one of 30 LGW routes where Vueling priced cheapest. It is the 25th longest of the 30 routes we track from LGW.
Of 57 departure airports with a fare to Barcelona, London (LGW) ranked 10th at $77. Lowest: $44 from Milan (MXP); highest: $1401 from Brisbane (BNE); 28 nonstop. Cheapest-fare airlines (routes): Vueling (11), Wizz Air (10), Ryanair (8), Air Canada (4), Air Europa (3) and Wizz Air Malta (3), plus 18 more.
That depends on your passport and trip, so check the official source for Spain: European Commission: Schengen visa policy. Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/London, Europe/Madrid; flight time is our estimate.