Cheap flights from Barcelona to Dublin from €20

If you aren’t able to travel during the month of November, then book flights to Dublin from Barcelona during January instead. Flights to Dublin in January, while not as cheap as those in November, still average around €77.

Our data shows that Friday is the least expensive day to fly to Dublin. Tickets to fly out on this day can be as low as €139. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around €172. These prices are subject to change though, so be sure to set up a Price Alert for flights to Dublin.

Our data shows that the cheapest Barcelona to Dublin flights are usually those with departure times in the evening. Our users have found flights to Dublin in the evening for as low as €80. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are €158 on average. Flights to Dublin from Barcelona in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Dublin from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to Dublin for around €111 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dublin from Barcelona for as low as €83 on momondo.

There is only 1 cabin class available to choose from on Barcelona to Dublin flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 22% of flights between Barcelona and Dublin have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon 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. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Vueling have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

3 flights are operational daily from Barcelona to Dublin as of March 2026. The most popular departure time for this route is 10:00, with 68% of flights per day taking off at midday.

As of March 2026, there are 26 flights per week flying from Barcelona to Dublin. The most common day of the week flights depart is Mon, with 27% of flights taking off on this day.