Cheap flights to Barcelona
Compare the lowest recent one-way fares to Barcelona from 1 city, then book with our partner Aviasales.
Cheapest right now
£15
London to Barcelona, one-way
Departing Sat, Dec 5, 2026
View this routeFlights to Barcelona from popular cities
Lowest one-way fares from recent searches, checked twice a day.
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Frequently asked questions
How much are flights to Barcelona?
One-way fares to Barcelona start from £15 (London to Barcelona), based on recent searches. Prices change often, so confirm the final fare before booking.
Do you sell plane tickets?
No. We compare fares and send you to our travel partner Aviasales, where you choose a booking option and pay. Changes, refunds and support are handled by the airline or agency you book with.