Cheap flights from Belfast from £15

Recently, our users have seen Finnair, British Airways, and Aer Lingus offering the cheapest flights from Belfast. Finnair has flights from Belfast to New York from £5, British Airways has flights from Belfast to Melbourne Airport starting at £18, and Aer Lingus are operating flights from Belfast to Edinburgh for £20.

Currently, a £23 flight to Edinburgh is the cheapest flight momondo users have found from Belfast. This price will vary depending on various factors such as the airline and flight dates. You can expect the price to be, on average, around £69 for a flight from Belfast to Edinburgh.

The most frequent flight destinations are as follows: London has 24 flights a day on average from Belfast. London Heathrow Airport has an average of 15 flights daily. Birmingham operates an average of 13 flights per day out of Belfast.

Airlines operating out of Belfast include, amongst others, British Airways, KLM, and easyJet. You can view other alternatives by clicking on the search button at the top of the page.

If you are looking for a cheap first-class flight, consider flights to London Heathrow Airport, for which the starting price of a first-class seat can be as low as £5,765.

Prices for flights from Belfast are updated daily.

There are 15 operators available for flights from Belfast as of August 2025.

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 from Belfast.

The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.