Cheap flights from Dublin to Barcelona from $44

The cheapest month to fly to Barcelona-El Prat Airport from Dublin is in November. Flight prices, which tend to average around $86, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Barcelona-El Prat Airport from Dublin during January instead. Flights to Barcelona-El Prat Airport in January, while not as cheap as those in November, still average around $95.

The cheapest day to depart on your flight to Barcelona-El Prat Airport is on a Tuesday when prices can be found for as low as $120. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $295. These prices are subject to change though, so be sure to set up a Price Alert for flights to Barcelona-El Prat Airport.

Flying to Barcelona-El Prat Airport from Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as $173 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $242 on average. Flights to Barcelona-El Prat Airport from Dublin in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Barcelona-El Prat Airport from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona-El Prat Airport for around $182 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona-El Prat Airport from Dublin for as low as $154 on momondo.

There are 2 cabin classes available to choose from on Dublin 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, Norwegian, and SWISS are the most popular carriers operating from Dublin to Barcelona-El Prat

Ryanair, Vueling and Aer Lingus are the top three most popular airlines that fly to Barcelona-El Prat Airport from Dublin according to our data. Ryanair is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Barcelona-El Prat Airport. Keep in mind that there are 3 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 19% 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 123 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

As of October 2026, there are 4 flights per day flying from Dublin to Barcelona-El Prat Airport. The most common time of day flights depart is 6:00PM, with 50% of flights taking off in the evening.

The number of flights available between Dublin and Barcelona-El Prat Airport is 31 per week as of October 2026. The most frequent departure day is Thu, with 26% of weekly flights leaving on this day.