Flights from Barcelona to London
Priced on 330 departure dates across 12 months, most recently seen 14 Aug 2026. Every number below is a fare we measured on the day shown, not a live quote. When we have nothing fresh, this page does not exist.
Cheapest month to fly
The lowest one-way fare we measured in each month, with how many departure dates that floor is drawn from and the day we saw it.
| Month | Floor | Priced dates | Seen |
|---|---|---|---|
| August 2026 | 39 € | 17 | 14 Aug 2026 |
| September 2026 | 17 € | 30 | 14 Aug 2026 |
| October 2026 | 16 € cheapest | 31 | 14 Aug 2026 |
| November 2026 | 28 € | 30 | 14 Aug 2026 |
| December 2026 | 28 € | 30 | 14 Aug 2026 |
| January 2027 | 40 € | 31 | 14 Aug 2026 |
| February 2027 | 40 € | 28 | 14 Aug 2026 |
| March 2027 | 40 € | 31 | 14 Aug 2026 |
| April 2027 | 48 € | 30 | 14 Aug 2026 |
| May 2027 | 48 € | 31 | 14 Aug 2026 |
| June 2027 | 48 € | 30 | 14 Aug 2026 |
| July 2027 | 48 € | 11 | 14 Aug 2026 |
Is that a good price?
Across 330 measured one-way fares, seen 14 Aug 2026.
Which day is cheaper
Average measured one-way fare by day of the week. The gap is the finding.
| Day | Average fare | Priced dates |
|---|---|---|
| Sunday | 89 € dearest | 48 |
| Monday | 85 € | 47 |
| Tuesday | 54 € | 47 |
| Wednesday | 46 € cheapest | 47 |
| Thursday | 55 € | 47 |
| Friday | 56 € | 46 |
| Saturday | 63 € | 48 |
Who holds the floor
Carriers that actually set the cheapest one-way fares we measured on this route.
| Carrier | Their floor | Priced fares |
|---|---|---|
| FR | 16 € | 330 |
Questions, answered from the data
How cheap can flights from Barcelona to London get?
The lowest one-way fare we have measured is 16 € on FR, seen 14 Aug 2026. It is one price from our own measurements, not a live quote.
What is the cheapest month to fly from Barcelona to London?
October 2026 has the lowest measured floor, 16 €, across 31 priced departure dates (seen 14 Aug 2026).
Is a given price good for Barcelona to London?
Over 330 measured one-way fares the median is 56 €, the cheapest quarter sit at or below 34 €, and the range runs 16 to 355 € (seen 14 Aug 2026).
Zoom out
More from Barcelona
More ways to reach London
Want the whole picture? The cheapest-month explorer lays out every destination we price from a single origin, month by month.