Cheap flights from Ireland to Barcelona from €18

If you aren’t able to travel during the month of November, then book flights to Barcelona from Ireland during January instead. Flights to Barcelona in January, while not as cheap as those in November, still average around €83.

The cheapest day to depart from Ireland to Barcelona is on a Monday. Travellers who choose to depart for Barcelona on a Monday will often find tickets for as low as €155. 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 €228.

Flying to Barcelona from Ireland in the evening is the least expensive time of day to depart. momondo users have found prices as low as €152 when looking at flights departing in the evening. In the morning is when there is more demand to fly to Barcelona, so prices are often more expensive at around €225 per ticket.

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

You are more likely to see cheaper flights to Barcelona from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around €152 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 Ireland for as low as €132 on momondo.

There are 2 cabin classes available to choose from on Ireland 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 Aer Lingus are the most popular carriers operating from Ireland to Barcelona

Ryanair, Vueling and Aer Lingus are the top three most popular airlines that fly to Barcelona from Ireland according to our data. Ryanair is the first choice among our users, with 71% of people opting to fly with this airline when travelling to Barcelona. Keep in mind that there are 5 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 Ireland 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 11% of their flights experiencing any sort of delay.

As of August 2026, 7 flights take off from Ireland and land in Barcelona each day. The most common flight departure time for this route is 18:00, with 48% of daily flights taking off in the evening.

As of August 2026, 54 flights take off from Ireland and land in Barcelona each week. The most common flight departure day for this route is Thu, with 30% of weekly flights taking off on this day.