Cheap flights from Ireland to Spain from £21

The cheapest month to fly to Spain from Ireland is in January. Flight prices, which tend to average around £108, are often lower during this time because this is during the off-season. If you aren’t able to travel to Spain during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £115.

The cheapest day to depart on your flight to Spain is on a Monday when prices can be found for as low as £126. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Spain is Saturday, with ticket prices averaging around £185.

In the evening is the cheapest time of day to fly from Ireland to Spain when you can find flight prices for as low as £103. Flying to Spain in the evening is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of £180.

Fly from Shannon to Madrid Barajas for the best Ireland - Spain flight prices

You are more likely to see cheaper flights to Spain from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around £131 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from Ireland for as low as £114 on momondo.

There are 3 cabin classes available to choose from on Ireland to Spain flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Ryanair, Iberia Express, and KLM are the most popular carriers operating from Ireland to Spain

Ryanair, Aer Lingus and Vueling are the top three most popular airlines that fly to Spain from Ireland according to our data. Ryanair is the first choice among our users, with 76% of people opting to fly with this airline when travelling to Spain. Keep in mind that there are 5 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.

Historically, on average around 17% of flights between Ireland and Spain have experienced a delay on any given week. The average delay length over the past 12 months has been 116 minutes.

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

Tuesday 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, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

As of September 2026, there are 19 flights per day flying from Ireland to Spain. The most common time of day flights depart is 09:00, with 48% of flights taking off at midday.

As of September 2026, 136 flights take off from Ireland and land in Spain each week. The most common flight departure day for this route is Thu, with 29% of weekly flights taking off on this day.