Cheap flights from Dublin to Barcelona from $81

In general, November is the cheapest month to fly from Dublin to Barcelona-El Prat Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $106. 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 $154.

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 $296. The most expensive day to fly to Barcelona-El Prat Airport is Tuesday, with ticket prices averaging around $468.

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 $246 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 Dublin for as low as $214 on momondo.

There is only 1 cabin class 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.

As of June 2026, prices for Dublin to Barcelona-El Prat Airport flights are approximately 28% cheaper when compared to flights at the same time last year.

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 127 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 9% of their flights experiencing any sort of delay.

6 flights are operational daily from Dublin to Barcelona-El Prat Airport as of June 2026. The most popular departure time for this route is 18:00, with 48% of flights per day taking off in the evening.

As of June 2026, 43 flights take off from Dublin and land in Barcelona-El Prat Airport each week. The most common flight departure day for this route is Fri, with 26% of weekly flights taking off on this day.