Cheap flights from Ireland to Barcelona from €16

If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from Ireland during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in November, still average around €84.

Our data shows that Monday is the least expensive day to fly to Barcelona-El Prat Airport. Tickets to fly out on this day can be as low as €156. 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-El Prat Airport on Friday is €227.

Our data shows that the cheapest Ireland to Barcelona-El Prat Airport flights are usually those with departure times in the evening. Our users have found flights to Barcelona-El Prat Airport in the evening for as low as €152. Flights to Barcelona-El Prat Airport are more costly in the morning, with an average ticket price of €224. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport 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-El Prat Airport from Ireland for as low as €133 on momondo.

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

Ryanair, Vueling, and Aer Lingus are the most popular carriers operating from Ireland to Barcelona-El Prat

Ryanair, Vueling and Aer Lingus are the top three most popular airlines that fly to Barcelona-El Prat Airport from Ireland according to our data. Ryanair is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Barcelona-El Prat Airport. Keep in mind that there are 4 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 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.

The number of flights available between Ireland and Barcelona-El Prat Airport is 5 per day as of September 2026. The most frequent departure time is 18:00, with 57% of daily flights leaving in the evening.

As of September 2026, there are 35 flights per week flying from Ireland to Barcelona-El Prat Airport. The most common day of the week flights depart is Thu, with 26% of flights taking off on this day.