Cheap Flights from Barcelona to London Starting at $18

The Barcelona — London route is served by a wide range of airlines: 9 in total, including EasyJet, Ryanair, Wizz Air, Vueling, OpenSkies, Air Malta, British Airways, Air Europa, and LC Busre SAC. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $18. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.

London is served by several distinct airports, each with its own role. Heathrow (LHR) is the primary international hub, typically handling long-haul and premium carriers and often priced higher for convenience; it sits about 15–20 miles west of central London with the Heathrow Express taking around 15–20 minutes to Paddington (usually more costly), the Piccadilly Line subway in about 45–60 minutes for lower fares, and taxis taking 30–60 minutes depending on traffic. Gatwick (LGW) is a major point-to-point and charter gateway to the south, favored by a mix of full-service and low-cost airlines; it’s roughly 30–40 miles south, reachable by 30–35 minute express trains to Victoria or 30–60 minutes by car. Stansted (STN) and Luton (LTN) are typically budget airline bases serving many low-cost routes; both lie 25–50 miles from central London, with airport buses and trains taking roughly 30–60 minutes and often offering the cheapest public-transit fares. London City (LCY) serves business travelers with close-in convenience—around 6 miles east of the financial districts—typically a short 20–30 minute DLR or taxi ride and often preferred for quick access though it handles fewer flights and has stricter aircraft limits. Pros and cons vary: Heathrow and Gatwick can be more comfortable with more amenities but busier and pricier, while Stansted and Luton can be cheaper yet more distant and basic; London City is fastest for downtown access but limited in flight options.

Barcelona is served primarily by Barcelona–El Prat (BCN), a major international gateway and low-cost carrier hub located about 12 km southwest of the city center. It typically handles long-haul and full-service airlines alongside many budget operators, so fares can range from premium to very economical depending on carrier choice. Travelers usually reach central Barcelona by Aerobus or commuter train in roughly 20–30 minutes for fares generally in the low single digits, while taxis take about 20–30 minutes and cost notably more. The airport is convenient for international connections and has good ground links, though busy periods can mean longer security and transfer times.

The minimum one-way ticket price from Barcelona to London is $18 (October 2025), while the maximum is $29 (December 2025). On average, a ticket costs $23–$50.