Our cheapest offers for flights from London to Belfast

Here you can compare cheap flights from London (LON) to Belfast (BFS) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Belfast. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Best option London Belfast	Outbound 31/03/26 direct RK0159 01h 20min	Return 21/04/26 direct RK0130 01h 20min	Ryanair UK		£38
London Belfast Please note: transfer for connecting flight	Outbound 25/05/26 1 Stopover (EDI) RK9817, RK5969 20h 30min	Return 07/06/26 1 Stopover (GLA) U20051, RK0329 16h 20min	Ryanair UK		£86
London Belfast	Outbound 31/03/26 direct RK0131 01h 20min	Return 21/04/26 direct RK0130 01h 20min	Ryanair UK	?	£40
London Belfast	Outbound 31/03/26 direct RK0159 01h 20min	Return 21/04/26 direct U20043 01h 15min	Ryanair UK		£44
London Belfast	Outbound 31/03/26 direct RK0131 01h 20min	Return 21/04/26 direct RK0130 01h 20min	Ryanair UK		£51
London Belfast	Outbound 31/03/26 direct U20823 01h 30min	Return 21/04/26 direct U20832 01h 30min	easyJet		£53
London Belfast	Outbound 31/03/26 direct U20823 01h 30min	Return 21/04/26 direct U20832 01h 30min	easyJet	?	£55
London Belfast	Outbound 25/05/26 1 Stopover (EDI) RK9817, RK5969 20h 30min	Return 07/06/26 direct U20035 01h 20min	Ryanair UK		£71
London Belfast	Outbound 25/05/26 1 Stopover (EDI) RK9817, RK5969 20h 30min	Return 07/06/26 direct U20035 01h 20min	Ryanair UK		£72
London Belfast	Outbound 19/06/26 direct RK0159 01h 20min	Return 05/07/26 direct U20043 01h 15min	Ryanair UK		£74

Tips and tricks to help you find cheap flights from London to Belfast

Useful information about the flight from London to Belfast

Enjoying the sights and sounds of Belfast

Belfast welcomes you with an enthralling atmosphere and a small town feel that makes getting around easier. It boasts a number of must-see attractions, including the Titanic Belfast, Ulster Museum, Belfast Zoo & Gardens, Giant's Causeway and many more. This city will enchant you with its superb Victorian architecture and cultural heritage. A trip to the local theatres and pubs will give you a glimpse of Belfast's lifestyle.

Events and weather in Belfast

To enjoy Belfast's moderate and warm weather, you should make an effort to visit in summer (June till August). Local streets come alive as hordes of people attend various cultural festivals. The bustling metropolis hosts a number of captivating festivals, including the Ulster Bank Belfast International Arts Festival (October), the Halloween Monster Mash (October), C.S. Lewis Festival (November) and the Cinemagic International Film & TV festival (October). For a quieter and more reserved experience, travel during spring or autumn.

Before your Belfast break

Drop in at one of the two tourist information bureaus when you arrive for tips on what to do while in Belfast.

Important local information

Belfast is served by two airports: Belfast International Airport and the George Best Belfast City Airport. The latter is located less than 8 kilometres from the city centre and the Belfast International Airport lies almost 29 kilometres away. Belfast City Airport offers various city transfer options, including bus (Translink), train and taxi. A train station is located close to the airport and there is a footbridge connecting the two facilities. The buses and taxis are available outside the terminal building. The Belfast International Airport is served by buses and taxis, which operate next to the airport.

The city offers visitors wide-ranging accommodation choices, including hotels, camping guesthouses, apartments, caravans and hostels. Opting for establishments located in the city centre provides a good base for exploring Belfast. The hotels and apartments are situated within walking distance of entertainment and shopping hubs. The area around Queen's University, which lies on the southern part of the city centre, is a great choice if you are looking for a taste of Belfast hospitality.

Important flight information

Flight information: London - Belfast

Outbound and return from	£37.26
Flight duration	min. 01:15 / max. 01:35
Return flight duration	min. 01:10/ max. 01:25
Distance	536 km
Flights per week	111
Departure airport	Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport	Airport Belfast International (BFS)
Destination country	Flights to United Kingdom

Alternative routes to United Kingdom

Alternative flights to Belfast

Flight London Gatwick - Belfast from £53
Flight Newcastle - Belfast from £51
Flight Liverpool - Belfast from £68
Flight Manchester - Belfast from £30
Flight London Stansted - Belfast from £38
Flight Leeds - Belfast from £110
Flight Birmingham - Belfast from £54
Flight Glasgow - Belfast from £44
Flight London Luton - Belfast from £83
Flight Edinburgh - Belfast from £20

Popular destinations for onward travel

Flight Belfast - Faro from £63
Flight Belfast - Geneva from £117
Flight Belfast - New York from £492
Flight Belfast - Alicante from £65
Flight Belfast - Barcelona from £81
Flight Belfast - Majorca from £90
Flight Belfast - Gran Canaria Las Palmas from £119
Flight Belfast - Malaga from £79
Flight Belfast - Tenerife South from £110
Flight Belfast - Amsterdam from £117

Flight Routes from London to Belfast