Cheap flights from Dublin to Barcelona from $54

The month of September is, on average, the cheapest month to fly to Barcelona from Dublin, with most prices found around $18. If you don’t want to visit Barcelona in September, then you should wait until November to fly from Dublin, when ticket prices are also cheap, with an average price of $20.

The cheapest day to depart from Dublin to Barcelona is on a Tuesday when prices can be found for as low as $120. On the other hand, Saturday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $304.

In the evening is the cheapest time of day to fly from Dublin to Barcelona when you can find flight prices for as low as $153. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $206 on average. Flights to Barcelona from Dublin at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Dublin to Girona Costa Brava for the best Dublin - Barcelona flight prices

You are more likely to see cheaper flights to Barcelona from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $166 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from Dublin for as low as $145 on momondo.

Vueling, KLM, and Norwegian are the most popular carriers operating from Dublin to Barcelona

Ryanair, Vueling and Aer Lingus are the top three most popular airlines that fly to Barcelona from Dublin according to our data. Ryanair is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 3 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% 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 125 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 9% of their flights experiencing any sort of delay.

The number of flights available between Dublin and Barcelona is 5 per day as of May 2026. The most frequent departure time is 6:00PM, with 45% of daily flights leaving at noon.

As of May 2026, there are 37 flights per week flying from Dublin to Barcelona. The most common day of the week flights depart is Wed, with 22% of flights taking off on this day.