Cheap flights from Dublin to Barcelona from £25

If you aren’t able to travel during the month of September, then book flights to Barcelona from Dublin during November instead. Flights to Barcelona in November, while not as cheap as those in September, still average around £15.

Our data shows that Monday is the least expensive day to fly to Barcelona. Tickets to fly out on this day can be as low as £125. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Barcelona for around £185.

Flying to Barcelona from Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as £120 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £181.

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

You are more likely to see cheaper flights to Barcelona from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around £130 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from Dublin for as low as £105 on momondo.

There are 2 cabin classes available to choose from on Dublin to Barcelona flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair is the most popular carrier operating from Dublin to Barcelona

Ryanair, Vueling and Aer Lingus are the top three most popular airlines that fly to Barcelona from Dublin according to our data. Ryanair is the first choice among our users, with 74% of people opting to fly with this airline when travelling to Barcelona. Keep in mind that there are 3 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

Historically, on average around 18% 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 127 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 10% of their flights experiencing any sort of delay.

The number of flights available between Dublin and Barcelona is 6 per day as of July 2026. The most frequent departure time is 18:00, with 55% of daily flights leaving in the evening.

As of July 2026, there are 42 flights per week flying from Dublin to Barcelona. The most common day of the week flights depart is Tue, with 33% of flights taking off on this day.