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 $90. 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 24 minutes is the average flight time from Belfast to London Heathrow.

Which airlines fly direct from Belfast to London Heathrow?

British Airways, Aer Lingus and Qatar Airways fly direct from Belfast to London Heathrow.

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

There are 409 flights per week flying from Belfast to London Heathrow, as of April 2024.

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

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

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 Saturday, March 8, 2025 .

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

Yes – the average flight time is 1 hour and 24 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 Heathrow?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London Heathrow 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.

Cheap Flights from Belfast (BFS) to London Heathrow (LHR) from $90

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Find the cheapest month or even day of the year to fly 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.$90 per passenger.Departing Sat, Mar 8, returning Sat, Mar 22.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Sat, Mar 8, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Sat, Mar 22, arriving in Belfast City.Price includes taxes and charges.From $90, select.

London.$90 per passenger.Departing Fri, Jan 24, returning Tue, Jan 28.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Fri, Jan 24, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Tue, Jan 28, arriving in Belfast City.Price includes taxes and charges.From $90, select.

London.$90 per passenger.Departing Sat, Dec 21, returning Sat, Dec 28.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Sat, Dec 21, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Sat, Dec 28, arriving in Belfast City.Price includes taxes and charges.From $90, select.

London.$91 per passenger.Departing Tue, Dec 10, returning Thu, Jan 2.Round-trip flight with British Airways.Outbound direct flight with British Airways departing from Belfast City on Tue, Dec 10, arriving in London Heathrow.Inbound direct flight with British Airways departing from London Heathrow on Thu, Jan 2, arriving in Belfast City.Price includes taxes and charges.From $91, select.

Stay one step ahead. Find the best value travel with the latest deals, tips and news.

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	$90
Cheapest month to fly	March
Average flight time	1 hr, 24 mins
Most popular airline	British Airways
Average flights per week	409

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

: The best price we found for a round-trip flight from Belfast to London Heathrow is $90. 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.
: 1 hour and 24 minutes is the average flight time from Belfast to London Heathrow.
: British Airways, Aer Lingus and Qatar Airways fly direct from Belfast to London Heathrow.
: There are 409 flights per week flying from Belfast to London Heathrow, as of April 2024.
: The cheapest month to fly from Belfast to London Heathrow is usually March.
: After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to London Heathrow Airport on Saturday, March 8, 2025.
: Yes – the average flight time is 1 hour and 24 minutes.
: 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.
: We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to London Heathrow is around 40 days in advance, so don’t leave your flight to the last minute.
: The cheapest airline that flies to London Heathrow is British Airways.

Whether you're planning your next flight on your European vacation or are just looking for a romantic weekend getaway, you'll find the cheapest flights from Belfast to London Heathrow at Skyscanner. Discover the best time to book flights to London or sign up for price alerts to make sure you'll always get the lowest price.

Belfast International Airport and London Heathrow

Belfast International Airport (BFS) is located 13 miles northwest of Belfast and is the busiest airport in Northern Ireland. The airport has one passenger terminal with two floors. Passengers flying to London will depart from the upper floor. Belfast International offers connecting and nonstop flights to London Heathrow nearly every day of the week. Multiple airlines fly to the British capital, including Aer Lingus, British Airways, Flybe, and KLM. Both Aer Lingus and British Airways offer direct flights to London Heathrow.

London Heathrow Airport (LHR) is the busiest airport in Europe by passenger traffic and is located 15 miles west of central London. The airport has four terminals. Aer Lingus passengers will arrive at Terminal 2, while those flying on British Airways will arrive at Terminal 5. When you land at London Heathrow, the fastest transfer to the city is via the Heathrow Express train. You can board the train at Terminals 2, 3, and 5. You'll also find a connecting train at Terminal 4. London Underground's Piccadilly Line is the cheapest way to get to London, but you could also take a taxi, bus, or rent a car.

Tips For Departing From Belfast International

Belfast International Airport recommends arriving at the airport at least two hours before your flight to London Heathrow to allow time for check-in and security. Be aware that check-in desks close between 40 minutes and an hour before the scheduled departure time depending on your airline. You'll need to have a valid passport for international travel, as well as a driver's license if you plan to rent a car in London. Once you check-in, you'll proceed to security. In addition to normal procedures, Belfast International uses body scanning technology. Passengers may be randomly selected for scanning.

What to Do at Belfast International Airport

While you wait to board your flight to London Heathrow, you can enjoy a variety of shopping and dining options at BFS. Pick up last-minute travel items or grab a new outfit for your vacation. You could also have a drink to calm your nerves or get some coffee to wake you up. Enjoy free Wi-Fi throughout the airport, or relax in the Causeway Lounge.

The Cities of Belfast and London

Temperatures in the cities of Belfast and London are very comparable, although summer is slightly warmer in London. The cost of living is higher in the UK capital. You'll need to convert your currency to pounds before you arrive in London, but a meal for two will cost about $20 more than it would in Belfast. Taxi fares are also significantly higher in London at over $8 per mile, compared to $1.64. Both cities are in the British Summer Time Zone, so there is no time difference.

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