$1,666 Cheap flights to Northern Ireland

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 Newcastle Beach 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.

Northern Ireland typically has a temperature range from 5 °C(January) to 16 °C(July). Those looking to avoid rain and/or snow while visiting Northern Ireland should plan their trip in April, April, or February, as these months are relatively less likely to have precipitation.

You can find flights to Northern Ireland from 3 airlines. If you’re unsure which to fly with, consider booking your flight with British Airways, Qatar Airways or Malaysia Airlines as these are the most popular among our users. British Airways is the most favoured with 84% of momondo travellers booking flights with this airline.

If your travel plans are flexible and you’re looking to save money on flights to Northern Ireland, then be sure to book your departure on a Wednesday. Flying out on a Wednesday, as well as a Saturday, is your best option. Departing on a Sunday tends to be the most expensive day of the week to fly to Northern Ireland.

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

As of December 2025, there are 4 operators 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 required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.