Cheap flights from Belfast
Compare the lowest recent one-way fares from Belfast to 3 destinations, then book with our partner Aviasales.
Cheapest right now
£14
Belfast to London, one-way
Departing Mon, Dec 7, 2026
View this routePopular destinations from Belfast
Lowest one-way fares from recent searches, checked twice a day.
Search flights from Belfast
Pick your dates to compare live fares from airlines and booking sites.
We may earn a commission when you book through links on this page, at no extra cost to you. Learn more.
Frequently asked questions
How much are flights from Belfast?
One-way fares from Belfast start from £14 (Belfast to London), based on recent searches. Prices change often, so confirm the final fare before booking.
What is the cheapest destination from Belfast?
Of the destinations we track, London currently has the lowest recent fare from Belfast, at £14 one-way.
Do you sell plane tickets?
No. We compare fares and send you to our travel partner Aviasales, where you choose a booking option and pay. Changes, refunds and support are handled by the airline or agency you book with.