£31 Cheap flights to Northern Ireland

The majority of momondo users who fly to Northern Ireland tend to spend time in Belfast, which is visited 98% more often than other cities. When flying to Belfast, the most popular airport to fly into is Belfast Intl Airport.

Grand Opera House is closest to Belfast Intl Airport. Those looking for an alternative airport option near Grand Opera House could try flying into Belfast City Airport.

When visiting Northern Ireland, the majority of people tend to find Grand Opera House, SSE Arena and Giant's Causeway to be the most notable landmarks in the area.

The temperatures in Northern Ireland range from 5 °C to 16 °C depending on the time of year. The warmest month in Northern Ireland is July, and the coldest month in Northern Ireland is January. Those looking for a drier month during their visit should travel during the months of April, April, or February, when rain is least likely compared to the rest of the year.

easyJet, Aer Lingus and British Airways are the top three most popular airlines that fly to Northern Ireland according to our data. easyJet is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Northern Ireland. Keep in mind that there are 6 different airlines that fly to Northern Ireland on a routine basis, so you have a few additional options to choose from.

Flights to Northern Ireland can be found for as cheap as £15 per ticket. However our users tend to find airfares to Northern Ireland for around £79 on average. If you’re looking to find a good deal on your flight to Northern Ireland, then you should consider booking if you find anything for £60 or less.

Belfast City airport in Belfast has the cheapest flights when visiting Northern Ireland, with an average airfare of £15. Londonderry Eglinton airport in Londonderry is the second cheapest destination in Northern Ireland, with an average airfare of £25.

Prices for flights to Northern Ireland are refreshed on a daily basis.

As of January 2026, there are 7 operators available to choose from for flights to Northern Ireland.

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Northern Ireland.

The necessary travel and health documents for your Northern Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.