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Cheap flights from London to Barcelona

From €21 one way, departing Sat 28 Nov. Mondays are usually cheapest. We compare airlines and travel agencies and add no fees.

Lowest fare found€21One way on Sat 28 Nov
Cheapest day of the weekMondaysAbout €32 less than Sundays
Cheapest monthNovemberFrom €21 on Sat 28 Nov

Cheapest dates from London to Barcelona

The lowest one-way fares we found for the coming months. Pick a date to see every flight.

Typical fare by day of the week

€34Mon
€40Tue
€48Wed
€36Thu
€56Fri
€41Sat
€66Sun
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London to Barcelona: common questions

Answers use the fares we found most recently and are updated through the day.

How much is a flight from London to Barcelona?

The lowest one-way fare we found recently is €21, departing Sat 28 Nov. A typical cheapest fare on other days is around €40. Prices change often, so check the live price before you book.

Which day is cheapest to fly from London to Barcelona?

Mondays are usually the cheapest day, about €32 less than Sundays, based on fares found for the next five months.

Which month is cheapest to fly to Barcelona?

November 2026 has the lowest fare we found, from €21 on Sat 28 Nov.

How long is the flight from London to Barcelona?

London and Barcelona are about 1,150 km apart. A direct flight takes roughly 2 hours; flights with a stop take longer.

Does SkimFlight charge a booking fee?

No. SkimFlight compares prices from airlines and travel agencies and sends you to the seller to book. You pay the seller’s price with no fee from us.

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