Cheap flights from Glasgow Intl Airport to Northern Ireland from £18

In general, September is the cheapest month to fly from Glasgow Intl Airport to Northern Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £49. If you’re not able to fly to Northern Ireland in September, then May is your next best option. Flight prices from Glasgow Intl Airport to Northern Ireland during May average around £53.

The cheapest day to depart from Glasgow Intl Airport to Northern Ireland is on a Wednesday. Travellers who choose to depart for Northern Ireland on a Wednesday will often find tickets for as low as £60. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £80. These prices are subject to change though, so be sure to set up a Price Alert for flights to Northern Ireland.

Flying to Northern Ireland from Glasgow Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £60 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £89 on average. Flights to Northern Ireland from Glasgow Intl Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Northern Ireland from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Northern Ireland for around £63 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Northern Ireland from Glasgow Intl Airport for as low as £48 on momondo.

There is only 1 cabin class available to choose from on Glasgow Intl to Northern Ireland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

easyJet, Aer Lingus and Loganair are the top three most popular airlines that fly to Northern Ireland from Glasgow Intl Airport according to our data. easyJet is the first choice among our users, with 80% of people opting to fly with this airline when travelling to Northern Ireland. Keep in mind that there are 3 different airlines that fly to Northern Ireland on a routine basis, so you have a few additional options to choose from.

As of April 2026, 6 flights take off from Glasgow Intl Airport and land in Northern Ireland each day. The most common flight departure time for this route is 11:00, with 53% of daily flights taking off at midday.

As of April 2026, 45 flights take off from Glasgow Intl Airport and land in Northern Ireland each week. The most common flight departure day for this route is Fri, with 22% of weekly flights taking off on this day.