Cheap flights from Ireland to Glasgow from £18

In general, May is the cheapest month to fly from Ireland to Glasgow Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £50. If you’re not able to fly to Glasgow Intl Airport in May, then September is your next best option. Flight prices from Ireland to Glasgow Intl Airport during September average around £55.

On average, the least expensive day to fly to Glasgow Intl Airport from Ireland is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £34. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around £67. These prices are subject to change though, so be sure to set up a Price Alert for flights to Glasgow Intl Airport.

In the evening is the cheapest time of day to fly from Ireland to Glasgow Intl Airport when you can find flight prices for as low as £36. Flying to Glasgow Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Flights to Glasgow Intl Airport are more costly in the morning, with an average ticket price of £51. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Dublin to Glasgow Intl for the best Ireland - Glasgow Intl flight prices

You are more likely to see cheaper flights to Glasgow Intl Airport from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Glasgow Intl Airport for around £66 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Glasgow Intl Airport from Ireland for as low as £43 on momondo.

There is only 1 cabin class available to choose from on Ireland to Glasgow Intl 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 14% of flights between Ireland and Glasgow have experienced a delay on any given week. The average delay length over the past 12 months has been 98 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.

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

15 flights are operational daily from Ireland to Glasgow Intl Airport as of April 2026. The most popular departure time for this route is 10:00, with 49% of flights per day taking off at midday.

The number of flights available between Ireland and Glasgow Intl Airport is 105 per week as of April 2026. The most frequent departure day is Thu, with 18% of weekly flights leaving on this day.