$257 Cheap flights to Belfast

Those flying to Belfast could potentially find better pricing at Belfast City Airport (3 mi from Belfast city center), Londonderry Eglinton Airport (58 mi from Belfast city center), Campbeltown Machrihanish Airport (59 mi from Belfast city center), Isle of Islay Glenegedale Airport (76 mi from Belfast city center) or Glasgow Prestwick Airport (82 mi from Belfast city center) depending on the month and departure airport.

Belfast City Airport has an average price of $154 per person and is typically the cheapest airport to fly into when visiting Belfast. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

$33 is the cheapest deal found on momondo in the last two weeks for a flight to Belfast. This flight is from Edinburgh and is 78% cheaper than most flights to Belfast. To find the cheapest price to Belfast from your area, use momondo’s Airport-to-Airport Pricing Tool.

At 2.5 mi away, Belfast City airport in Belfast is the closest to Cathedral Quarter.

Prices for flights to Belfast were last updated today.

As of February 2026, there are 9 operators available to choose from for flights to Belfast.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Belfast.

The travel and health documents you'll need for your trip to Belfast 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 license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.