Cheap flights from Northern Ireland to Glasgow from £19

In general, September is the cheapest month to fly from Northern Ireland to Glasgow Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £15. If you’re not able to fly to Glasgow Intl Airport in September, then October is your next best option. Flight prices from Northern Ireland to Glasgow Intl Airport during October average around £16.

On average, the least expensive day to fly to Glasgow Intl Airport from Northern Ireland is on a Thursday. momondo users have found tickets for Thursday departures for as low as £58. 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 Sunday because tickets tend to average around £85. 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 Northern Ireland to Glasgow Intl Airport when you can find flight prices for as low as £63. 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 afternoon, with an average ticket price of £80. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Glasgow Intl Airport from Northern Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Glasgow Intl Airport for around £77 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 Northern Ireland for as low as £62 on momondo.

easyJet and Loganair are the most popular carriers operating from Northern Ireland to Glasgow Intl

easyJet, Aer Lingus and Loganair are the top three most popular airlines that fly to Glasgow Intl Airport from Northern Ireland according to our data. easyJet is the first choice among our users, with 81% of people opting to fly with this airline when travelling to Glasgow Intl Airport. Keep in mind that there are 3 different airlines that fly to Glasgow Intl Airport on a routine basis, so you have a few additional options to choose from.

The number of flights available between Northern Ireland and Glasgow Intl Airport is 5 per day as of May 2026. The most frequent departure time is 09:00, with 70% of daily flights leaving at midday.

As of May 2026, 40 flights take off from Northern Ireland and land in Glasgow Intl Airport each week. The most common flight departure day for this route is Fri, with 28% of weekly flights taking off on this day.