Cheap flights from London Stansted Airport to Northern Ireland from £34

In general, January is the cheapest month to fly from London Stansted Airport to Northern Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £43. If you’re not able to fly to Northern Ireland in January, then November is your next best option. Flight prices from London Stansted Airport to Northern Ireland during November average around £46.

The cheapest day to depart from London Stansted Airport to Northern Ireland is on a Thursday. Travellers who choose to depart for Northern Ireland on a Thursday will often find tickets for as low as £61. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £76. 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 London Stansted Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as £65 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £72 on average. Flights to Northern Ireland from London Stansted Airport at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to Northern Ireland from London Stansted Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Northern Ireland for around £68 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 London Stansted Airport for as low as £54 on momondo.

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

1 flights are operational daily from London Stansted Airport to Northern Ireland as of September 2026. The most popular departure time for this route is 22:00, with 36% of flights per day taking off at midday.

As of September 2026, 8 flights take off from London Stansted Airport and land in Northern Ireland each week. The most common flight departure day for this route is Fri, with 88% of weekly flights taking off on this day.