Cheap flights from Ireland to Spain from €20

The month of April is, on average, the cheapest month to fly to Spain from Ireland, with most prices found around €168. If you don’t want to visit Spain in April, then you should wait until February to fly from Ireland, when ticket prices are also cheap, with an average price of €171.

The cheapest day to depart from Ireland to Spain is on a Wednesday. Travellers who choose to depart for Spain on a Wednesday will often find tickets for as low as €150. The most expensive day to fly to Spain is Friday, with ticket prices averaging around €232.

Our most recent data shows that the best time of day to fly to Spain is in the evening. Flights from Ireland to Spain during this time can be as low as €168. Flights in the morning are often more expensive, with an average ticket price of €220.

Fly from Knock Intl to Alicante 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 €152 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 €120 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, Vueling, 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 60% of people opting to fly with this airline when travelling to Spain. Keep in mind that there are 8 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 113 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.

Monday 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 11% of their flights experiencing any sort of delay.

The number of flights available between Ireland and Spain is 25 per day as of June 2026. The most frequent departure time is 18:00, with 45% of daily flights leaving at midday.

The number of flights available between Ireland and Spain is 180 per week as of June 2026. The most frequent departure day is Sun, with 26% of weekly flights leaving on this day.