€45 Cheap flights to Northern Ireland

The average flight to Northern Ireland costs €139/per person and the cheapest flight to Northern Ireland is €42/per person. This price varies based on a multitude of factors such as departure airport, airline, time of booking and when you plan on travelling.

99% of momondo users visit Belfast more often than any other city in Northern Ireland. When travelling to Belfast, typically the most convenient airport to fly into is Belfast Intl Airport.

The closest airport to Waterfront Hall is Belfast Intl Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Belfast City Airport.

When visiting Northern Ireland, the majority of people tend to find Waterfront Hall, Ulster Hall and St George's Market to be the most notable landmarks in the area.

Temperatures in Northern Ireland can vary between 5 °C and 16 °C based on the time of year. Typically, the coldest month in Northern Ireland will be January, and the warmest month will be July. It is also worth noting that those looking to avoid rain and/or snow should consider travelling to Northern Ireland in April, April, and February, as that is when precipitation is least likely.

Prices for flights to Northern Ireland are updated daily.

As of September 2026, there is 1 operator available to choose from for flights to Northern Ireland.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Northern Ireland.

The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.