Cheap flights from Spain to the United Kingdom from £20

The cheapest month to fly to United Kingdom from Spain is in January. Flight prices, which tend to average around £72, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of January, then departing from Spain during the month November is also very affordable. Most momondo users find prices during this month for around £78.

The cheapest day to depart from Spain to United Kingdom is on a Saturday. Travellers who choose to depart for United Kingdom on a Saturday will often find tickets for as low as £113. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Spain to United Kingdom for around £164.

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £108. Try not to purchase tickets at midday because they tend to be around £132. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Barcelona-El Prat to London Luton for the best Spain - United Kingdom flight prices

You are more likely to see cheaper flights to United Kingdom from Spain when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £129 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Spain for as low as £106 on momondo.

There are 4 cabin classes available to choose from on Spain to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

easyJet, Ryanair, and Vueling are the most popular carriers operating from Spain to United Kingdom

Ryanair, easyJet and Vueling are the top three most popular airlines that fly to United Kingdom from Spain according to our data. Ryanair is the first choice among our users, with 48% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 10 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 24% of flights between Spain and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 122 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Iberia have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

As of October 2026, 57 flights take off from Spain and land in United Kingdom each day. The most common flight departure time for this route is 07:00, with 42% of daily flights taking off in the afternoon.

The number of flights available between Spain and United Kingdom is 399 per week as of October 2026. The most frequent departure day is Thu, with 37% of weekly flights leaving on this day.