Cheap flights from Ireland to Barcelona from €29

If you aren’t able to travel during the month of January, then book flights to Barcelona from Ireland during November instead. Flights to Barcelona in November, while not as cheap as those in January, still average around €85.

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 €165. 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 €231.

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 €163 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 €231 per ticket.

Fly from Cork to Girona Costa Brava 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 €168 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 €141 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 is the most popular carrier 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 76% 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 19% 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 123 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 October 2026, 3 flights take off from Ireland and land in Barcelona each day. The most common flight departure time for this route is 18:00, with 47% of daily flights taking off at midday.

As of October 2026, 26 flights take off from Ireland and land in Barcelona each week. The most common flight departure day for this route is Thu, with 50% of weekly flights taking off on this day.