Cheap flights from Belfast Intl Airport from £16

Recently, our users have seen Aer Lingus, easyJet, and Ryanair offering the cheapest flights from Belfast Intl Airport. Aer Lingus has flights from Belfast Intl Airport to Nottingham from £20, easyJet has flights from Belfast Intl Airport to Blackpool starting at £20, and Ryanair are operating flights from Belfast Intl Airport to Valencia for £24.

Currently, a £19 flight to London Luton Airport is the cheapest flight momondo users have found from Belfast Intl Airport. 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 £89 for a flight from Belfast Intl Airport to London Luton Airport.

The most frequent flight destinations are as follows: London has 5 flights a day on average from Belfast Intl Airport. London Stansted Airport has an average of 2 flights daily. Manchester operates an average of 2 flights per day out of Belfast Intl Airport.

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

Prices for flights from Belfast Intl Airport are updated daily.

There are 13 operators available for flights from Belfast Intl Airport as of March 2026.

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 Intl Airport.

The required travel and health documents for your Belfast Intl Airport 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 Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.