Cheap flights from Glasgow to Northern Ireland from £20

In general, October is the cheapest month to fly from Glasgow to Northern Ireland. 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 Northern Ireland in October, then September is your next best option. Flight prices from Glasgow to Northern Ireland during September average around £15.

The cheapest day to depart from Glasgow 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 £59. If your travel schedule is flexible, try to avoid departing on a Friday 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 in the evening is the least expensive time of day to depart. momondo users have found prices as low as £64 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 at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Northern Ireland from Glasgow when booking weeks ahead of your departure date. In general, you can expect to find flights to Northern Ireland for around £65 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 for as low as £46 on momondo.

There is only 1 cabin class available to choose from on Glasgow 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, Aer Lingus, and Loganair are the most popular carriers operating from Glasgow to Northern Ireland

easyJet, Aer Lingus and Ryanair are the top three most popular airlines that fly to Northern Ireland from Glasgow according to our data. easyJet is the first choice among our users, with 67% of people opting to fly with this airline when travelling to Northern Ireland. Keep in mind that there are 5 different airlines that fly to Northern Ireland on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 7 flights per day flying from Glasgow to Northern Ireland. The most common time of day flights depart is 19:00, with 39% of flights taking off at midday.

The number of flights available between Glasgow and Northern Ireland is 52 per week as of June 2026. The most frequent departure day is Mon, with 25% of weekly flights leaving on this day.