Cheap flights from Glasgow Intl Airport to Spain from £21

The cheapest month to fly to Spain from Glasgow Intl Airport is in August. Flight prices, which tend to average around £144, 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 August, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £151.

The cheapest day to depart on your flight to Spain is on a Friday when prices can be found for as low as £107. 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 £195.

In the afternoon is the cheapest time of day to fly from Glasgow Intl Airport to Spain when you can find flight prices for as low as £166. Flying to Spain in the afternoon 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 £185.

Fly from Glasgow Intl to Barcelona-El Prat for the best Glasgow Intl - Spain flight prices

You are more likely to see cheaper flights to Spain from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around £169 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 Glasgow Intl Airport for as low as £112 on momondo.

Ryanair, easyJet, and Wizz Air are the most popular carriers operating from Glasgow Intl to Spain

easyJet, Ryanair and Jet2 are the top three most popular airlines that fly to Spain from Glasgow Intl Airport according to our data. easyJet is the first choice among our users, with 47% 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 16% of flights between Glasgow and Spain have experienced a delay on any given week. The average delay length over the past 12 months has been 109 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Jet2 have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

The number of flights available between Glasgow Intl Airport and Spain is 5 per day as of May 2026. The most frequent departure time is 06:00, with 76% of daily flights leaving at midday.

The number of flights available between Glasgow Intl Airport and Spain is 40 per week as of May 2026. The most frequent departure day is Sat, with 38% of weekly flights leaving on this day.