C$142 Cheap Flights from Belfast to London Heathrow

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Flight deals from Belfast to London Heathrow

Looking for a cheap last-minute deal or the best round-trip flight from Belfast to London Heathrow? Find the lowest prices on one-way and round-trip tickets right here.

London.C$142 per passenger.Departing Wed, Oct 29, returning Sun, Nov 2.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Wed, Oct 29, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Sun, Nov 2, arriving in Belfast City.Price includes taxes and charges.From C$142, select.

London.C$142 per passenger.Departing Tue, Dec 9, returning Wed, Dec 10.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Tue, Dec 9, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Wed, Dec 10, arriving in Belfast City.Price includes taxes and charges.From C$142, select.

London.C$142 per passenger.Departing Tue, Dec 2, returning Tue, Jan 13.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Tue, Dec 2, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Tue, Jan 13, arriving in Belfast City.Price includes taxes and charges.From C$142, select.

London.C$145 per passenger.Departing Thu, Nov 6, returning Sun, Nov 9.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Thu, Nov 6, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Sun, Nov 9, arriving in Belfast City.Price includes taxes and charges.From C$145, select.

London.C$146 per passenger.Departing Mon, Jan 12, returning Mon, Jan 19.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Mon, Jan 12, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Mon, Jan 19, arriving in Belfast City.Price includes taxes and charges.From C$146, select.

London.C$146 per passenger.Departing Sat, Nov 29, returning Tue, Dec 2.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Sat, Nov 29, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Tue, Dec 2, arriving in Belfast City.Price includes taxes and charges.From C$146, select.

London.C$146 per passenger.Departing Tue, Feb 3, returning Thu, Mar 5.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Tue, Feb 3, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Thu, Mar 5, arriving in Belfast City.Price includes taxes and charges.From C$146, select.

London.C$149 per passenger.Departing Fri, Mar 6, returning Sun, Mar 8.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Fri, Mar 6, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Sun, Mar 8, arriving in Belfast City.Price includes taxes and charges.From C$149, select.

Find the cheapest month to fly from Belfast to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Belfast to London Heathrow flights are currently cheapest in December.

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Direct flights from Belfast to London Heathrow

Belfast to London Heathrow: Alternative routes

Compare routes from Belfast to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Belfast to London: Flight information

The things to know before you go.

Cheapest flight found	C$142
Cheapest month to fly	December
Average flight time	1 hr, 25 mins
Most popular airline	Qatar Airways
Average flights per week	516

Finding cheap flights from Belfast to London Heathrow: Frequently asked questions

How much are round-trip flights from Belfast to London Heathrow?

The best price we found for a round-trip flight from Belfast to London Heathrow is C$142. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Belfast to London Heathrow?

1 hour and 25 minutes is the average flight time from Belfast to London Heathrow.

Which airlines fly direct from Belfast to London Heathrow?

Qatar Airways, British Airways and American Airlines fly direct from Belfast to London Heathrow.

How many flights are there a week from Belfast to London Heathrow?

There are 258 flights per week flying from Belfast to London Heathrow, as of March 2025.

When is the cheapest time to fly from Belfast to London Heathrow?

The cheapest month to fly from Belfast to London Heathrow is usually December.

Which upcoming date is cheapest to fly from Belfast to London Heathrow Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to London Heathrow Airport on Tuesday, December 2, 2025.

Can I get a direct flight from Belfast to London Heathrow Airport?

Yes – the average flight time is 1 hour and 25 minutes.

How can I find the best flight deal to London Heathrow?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to London?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Belfast to London Heathrow?

The cheapest airline that flies to London Heathrow is British Airways.

After an hour and twenty minutes in the air, travellers from Belfast can find themselves landing on the famous tarmac of London Heathrow Airport (LHR). Belfast's airports offer regular flights to London, and this short trip within the UK is provided by several different airlines. Indeed, there are 63 flights per week between these two capital cities!

To find the best deals on airfare, take advance of Skyscanner's online tools. Cheapest Month allows travellers to find the most affordable times to fly, while Price Alerts sends customized email alerts about seat sales and price drops. If you prefer to book tickets through a cellphone or tablet, Skyscanner created a free travel app just for you.

Airports in Belfast, Northern Ireland

Belfast International Airport (BFS)

Despite being the Irish capital's main airport, Belfast International Airport surprisingly doesn't offer any flights to London's Heathrow Airport. You can, however, take planes to nearby airports in England, such as London-Gatwick, London-Luton, and London-Stansted. This international airport is located 21 km northwest of Belfast's downtown core. All flights to London leave from BFS's one-and-only terminal.

George Best Belfast City Airport (BHD)

Unlike BFS, George Best Belfast City Airport does offer direct flights to London Heathrow Airport. The two airlines that provide these non-stop trips are Aer Lingus and British Airways. Both carriers depart from BHD's single-runway out of its one terminal. The airport itself is situated a short 5 km from Downtown Belfast.

Check-In: Belfast's Airports

Travellers must arrive at Belfast's airports at least an hour prior to their plane's departure for London. Most major airlines allow you to begin the check-in process online, up to 24 hours in advance. At the airport, you still need to drop-off your baggage and pass through security. To enter London, England from Belfast, Northern Ireland, all travellers must present a valid passport. This ruling extends even to UK citizens.

What to Expect Upon Landing in London, England

Sitting 23 km west of downtown, London Heathrow Airport is the world's third busiest airport. It's a bustling, busy, and beautiful facility, that's filled with amazing amenities and travellers headed off to destinations far and wide. When your plane from Belfast lands at LHR, Aer Lingus airplanes arrive at Terminal 2, while British Airways flights disembark at Terminal 5.

To reach Central London, travellers have several options. For public transportation, climb aboard a Heathrow Express train for Paddington Station, ride the London Underground's Piccadilly subway line, or takes one of the many coach buses. If you'd prefer to rent a car on-site at LHR, Skyscanner can help you find the lowest rates. We also know the best London hotels, where guests can stay for less. Now let's have plan your royal welcome in England!