Cheap flights from Dublin to Barcelona from €21

If you aren’t able to travel during the month of November, then book flights to Barcelona from Dublin during January instead. Flights to Barcelona in January, while not as cheap as those in November, still average around €95.

The cheapest day to depart from Dublin to Barcelona is on a Wednesday. Travellers who choose to depart for Barcelona on a Wednesday will often find tickets for as low as €142. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Barcelona on Friday is €206.

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 €163 when looking at flights departing in the evening. At midday is when there is more demand to fly to Barcelona, so prices are often more expensive at around €211 per ticket.

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 €141 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 €123 on momondo.

There is only 1 cabin class 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 and Vueling are the most popular carriers 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 45% of people opting to fly with this airline when travelling to Barcelona. Keep in mind that there are 4 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 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.

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.

As of April 2026, there are 6 flights per day flying from Dublin to Barcelona. The most common time of day flights depart is 18:00, with 45% of flights taking off at midday.

The number of flights available between Dublin and Barcelona is 44 per week as of April 2026. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.