Cheap flights from Dublin to Barcelona from £40

The cheapest month to fly to Barcelona-El Prat Airport from Dublin is in November. Flight prices, which tend to average around £54, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from Dublin during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in November, still average around £78.

According to our data, Wednesday is the cheapest day to fly to Barcelona-El Prat Airport from Dublin. The lowest ticket price found for a Wednesday departure recently was £129. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Barcelona-El Prat Airport is Tuesday, with ticket prices averaging around £167.

Flying to Barcelona-El Prat Airport from Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as £124 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £170 on average. Flights to Barcelona-El Prat Airport from Dublin in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Dublin to Barcelona-El Prat for the best Dublin - Barcelona-El Prat flight prices

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around £122 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Dublin for as low as £107 on momondo.

You could potentially save up to 13% on your flight if you consider stops on a Dublin to Barcelona-El Prat Airport flight.

As of May 2026, prices for Dublin to Barcelona-El Prat Airport flights are approximately 3% more expensive when compared to flights at the same time last year.

Ryanair and KLM are the most popular carriers operating from Dublin to Barcelona-El Prat

Ryanair, Vueling and Aer Lingus are the top three most popular airlines that fly to Barcelona-El Prat Airport from Dublin according to our data. Ryanair is the first choice among our users, with 54% of people opting to fly with this airline when travelling to Barcelona-El Prat Airport. Keep in mind that there are 3 different airlines that fly to Barcelona-El Prat Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Dublin and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 125 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.

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

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of May 2026, 6 flights take off from Dublin and land in Barcelona-El Prat Airport each day. The most common flight departure time for this route is 18:00, with 49% of daily flights taking off at midday.

The number of flights available between Dublin and Barcelona-El Prat Airport is 42 per week as of May 2026. The most frequent departure day is Tue, with 26% of weekly flights leaving on this day.