Cheap flights from London to Barcelona from £21

Cheapflights users have booked flights from London to Barcelona round-trip from £42. Other airlines that can offer you cheap pricing are easyJet, from £42, and Vueling, from £43. Ryanair is 58% cheaper than the average price of flights available within the next 90 days to this destination.

£21 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on Vueling and easyJet, with prices starting from £26 and £29, respectively.

Most travelers choose London Gatwick - Barcelona-El Prat, London Heathrow - Barcelona-El Prat or London Luton - Barcelona-El Prat when deciding on the best route from London to Barcelona.

No one likes to see their flight delayed. When booking a flight from London to Barcelona consider choosing Malaysia Airlines (87%), American Airlines (87%) or Japan Airlines (85%) as they are the most reliable in getting you off to your destination on time.

On average you can expect to pay £307 for a flight from London to Barcelona. The cheapest flight overall is £40 while the most popular route, (London Gatwick - Barcelona-El Prat) is currently priced at £35.

Yes. In addition to deals on London to Barcelona flights, Cheapflights offers holiday packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Barcelona.

Yes. Cheapflights offers flight deals from London to Barcelona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, January is the cheapest month in which you can book a flight from London to Barcelona (average of £52). Flying from London to Barcelona in August is currently the most expensive (average of £196). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

The London Barcelona flight route is a busy one, and flights to Barcelona from London are abundant. But let's say not all of them are eco-friendly. Some of the most reliable green airlines you can book include Ryanair and EasyJet. You can also dependably go for Vueling which is also among those that promotes sustainable travel. These operators have a good reputation for minor noise and reduction of carbon emissions. Research states that the same airlines have the best fuel management and overall efficiency, making them more cost-effective. Also, you enjoy quality seating capacity on the frequent direct flights from London to Barcelona while using any of the three pro-green flights. Vegan food served on non-plastic single-use items during the trip is part and parcel of their environmental responsibilities.

There is so much that goes into flying sustainably. While the airlines do their part, you also have a role in protecting the environment as you embark on that flight. For example, you can begin by packing light. You can also bring your reusable water bottle to avoid the use of plastics. Another great tip is to travel Economy Class to reduce pollution. We encourage you to get in touch with us for essential information about what else you can do to enrich our planet. We are also readily available to take you through the steps to fly safely and affordably from London to Barcelona. Choosing to fly green is the best step you would ever take. Green airlines are cheap, safe and comfortable. Remember, too, that protecting our environment is a concerted effort. As the airlines do their part, so should you.