Cheap flights from Dublin to Barcelona from C$ 69

The cheapest month to fly to Barcelona from Dublin is in November. Flight prices, which tend to average around C$ 100, are often lower during this time because this is during the off-season. If you’re not able to fly to Barcelona in November, then January is your next best option. Flight prices from Dublin to Barcelona during January average around C$ 148.

According to our data, Monday is the cheapest day to fly to Barcelona from Dublin. The lowest ticket price found for a Monday departure recently was C$ 213. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Barcelona for around C$ 225.

Our most recent data shows that the best time of day to fly to Barcelona is in the afternoon. Flights from Dublin to Barcelona during this time can be as low as C$ 199. Try not to purchase tickets in the evening because they tend to be around C$ 275. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 C$ 219 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 C$ 188 on momondo.

There is only 1 cabin class available to choose from on Dublin to Barcelona 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 18% 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 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 has had the least delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of March 2026, 5 flights take off from Dublin and land in Barcelona each day. The most common flight departure time for this route is 1:00p.m., with 65% of daily flights taking off in the afternoon.

The number of flights available between Dublin and Barcelona is 36 per week as of March 2026. The most frequent departure day is Sun, with 28% of weekly flights leaving on this day.