Cheap flights from London to Barcelona, Spain (LON - BCN)

Flying from London to Barcelona can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route London - Barcelona (LON - BCN). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from Barcelona to London.

Airfares found by our users in the past 24 hours

The cheapest flight from London to Barcelona is C$45 on easyJet, departing on 02/20/2026 - 20:00 and returning on 02/25/2026 - 08:20.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from London to Barcelona by months

MonthRound-Trip
January 202626.01 - 30.01from C$47
February 202620.02 - 25.02from C$45
March 202602.03 - 15.03from C$48
April 2026find now
May 202614.05 - 19.05from C$61
June 2026find now
July 2026find now
August 202615.08 - 26.08from C$146
September 2026find now
October 2026find now
November 202614.11 - 17.11from C$72
December 2026find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

Airlines are flying from London to Barcelona

China Northern AirlinesRyanairVueling AirlinesBritish Airways
easyJet
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