$158 Cheap Flights from Belfast to London Heathrow in 2025

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Flight deals from Belfast to London Heathrow

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

London.$158 per passenger.Departing Fri, 30 Jan, returning Sun, 1 Feb.Return flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Fri, 30 Jan, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Sun, 1 Feb, arriving in Belfast City.Price includes taxes and charges.From $158, select.

London.$159 per passenger.Departing Fri, 6 Feb, returning Sat, 7 Feb.Return flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Fri, 6 Feb, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Sat, 7 Feb, arriving in Belfast City.Price includes taxes and charges.From $159, select.

London.$159 per passenger.Departing Sun, 8 Mar, returning Tue, 10 Mar.Return flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Sun, 8 Mar, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Tue, 10 Mar, arriving in Belfast City.Price includes taxes and charges.From $159, select.

London.$159 per passenger.Departing Wed, 3 Dec, returning Tue, 13 Jan.Return flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Wed, 3 Dec, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Tue, 13 Jan, arriving in Belfast City.Price includes taxes and charges.From $159, select.

London.$159 per passenger.Departing Wed, 24 Dec, returning Sun, 1 Feb.Return flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Wed, 24 Dec, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Sun, 1 Feb, arriving in Belfast City.Price includes taxes and charges.From $159, select.

London.$159 per passenger.Departing Fri, 12 Dec, returning Sun, 14 Dec.Return flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Fri, 12 Dec, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Sun, 14 Dec, arriving in Belfast City.Price includes taxes and charges.From $159, select.

London.$159 per passenger.Departing Fri, 28 Nov, returning Sun, 4 Jan.Return flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Fri, 28 Nov, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Sun, 4 Jan, arriving in Belfast City.Price includes taxes and charges.From $159, select.

London.$159 per passenger.Departing Sat, 24 Jan, returning Sat, 24 Jan.Return flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Sat, 24 Jan, arriving in London Heathrow.Inbound direct flight with British Airways departs from London Heathrow on Sat, 24 Jan, arriving in Belfast City.Price includes taxes and charges.From $159, 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	$158
Cheapest month to fly	January
Average flight time	1 hr, 24 mins
Most popular airline	British Airways
Average flights per week	298

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

How much are return flights from Belfast to London Heathrow?

The best price we found for a return flight from Belfast to London Heathrow is $158. 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, Qatar Airways and American Airlines fly direct from Belfast to London Heathrow.

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

As of June 2025, there are 596 flights per week flying from Belfast to London Heathrow.

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

The cheapest month to fly from Belfast to London Heathrow is usually June 2025.

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 Friday, 30 January 2026.

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?

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 from Belfast to London Heathrow with?

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

Flying from Belfast to London Heathrow Airport (LHR): What you need to know

Kick off your journey at one of Belfast's main airports, Belfast International Airport (BFS) or George Best Belfast City Airport (BHD). Check out your options for booking a flight from Belfast to London Heathrow Airport (LHR) departing from either of these.
London's timezone is UTC+0, which is the same as Belfast. London Heathrow Airport is located in London.
For hassle-free travel, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you can comfortably catch your flight from Belfast to LHR.
With more travellers during peak seasons, it's wise to get to your terminal earlier than usual. Two hours for domestic flights and up to four for international journeys will help you deal with longer queues.

Airports in Belfast

Belfast International Airport (BFS)

Located around 32 kilometres from the centre of Belfast, BFS can be reached in about 30 minutes by car, depending on traffic. The journey on public transport is roughly 2 hours.
Catching an early flight from Belfast to London Heathrow Airport? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these stays near Belfast International Airport:
When it comes to Belfast International Airport's on-time performance, 67.55% of flights complete their journey on time.

George Best Belfast City Airport (BHD)

Planning to leave from George Best Belfast City Airport (BHD)? Direct Belfast to London Heathrow Airport (LHR) flight tickets can be booked from here.
From BHD, direct flights from Belfast to LHR can be booked with British Airways.
British Airways has the largest share of bookings on the BHD to LHR route.
The top on-time carrier is British Airways. Its George Best Belfast City Airport to London Heathrow Airport flights arrive without delay 70.32% of the time.
With public transport, you can travel from central Belfast to BHD in about 20 minutes. The terminal is roughly 8 kilometres away, and getting there by car takes approximately 10 minutes.
Start your holiday sooner with an extra night away from home. Before your Belfast to LHR flight, unwind in one of these hotels near George Best Belfast City Airport:
68.3% of flights out of George Best Belfast City Airport stick to their scheduled arrival time.

About London Heathrow Airport (LHR)

If you have a late flight from Belfast to London Heathrow Airport, few things top the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these options near LHR:
Follow your own route with a London Heathrow Airport rental car. Pick up your wheels from Surprice, U-Save or Green Motion and experience more of London and beyond.
Secure the lowest price by booking your ride around one week before your Belfast to London Heathrow Airport flight.

Getting from London Heathrow Airport (LHR) to central London

London Heathrow Airport to central London is around 26 kilometres. If you're renting a car or taking a cab, plan ahead to make your trip as smooth as possible. Journey times may vary based on traffic and the time of day.
Travelling on public transport will take you roughly 1 hour.

How to find the cheapest flights from Belfast to London Heathrow Airport (LHR)

$77 is the lowest price for a one-way ticket from Belfast to London Heathrow Airport. Return flights start at $158. These prices can change based on availability.
Snap up cheap flights from Belfast to LHR by booking seven months ahead. According to our research, that's the sweet spot for bagging a bargain.
December is when you're most likely to find a fantastic deal on a Belfast to London Heathrow Airport ticket. If you need to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for each month.
Locking in a cheap flight ticket from Belfast to LHR couldn't be easier with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when there's a better deal.
Find an affordable flight from Belfast to London Heathrow Airport by using the search filters. Choose your preferred duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Belfast to London Heathrow Airport (LHR)

It's time to figure out your travel dates for your flight from Belfast to London Heathrow Airport (LHR). July is when most people visit London. If you like things a bit more low-key, think about going in February.
Before locking in your Belfast to LHR flight ticket, consider the type of weather you enjoy. July is the warmest month in London, with temperatures ranging from 11ºC (52ºF) to 26ºC (79ºF).
January has temperatures of between 0ºC (32ºF) and 9ºC (48ºF). Look for cheap tickets from Belfast to London Heathrow Airport around that time if you like cooler conditions.

More about London

When it comes to searching for somewhere to rest your head, you'll find the best places to stay in London right here. Browse these hotels after locking in your flight from Belfast to London Heathrow Airport:
There are plenty of terrific things to do in London when you're ready to go sightseeing. Kick things off at The British Museum followed by Westminster Abbey and Big Ben.

Explore more of the United Kingdom

You've done London, now it's time to explore other corners of the United Kingdom. Travel around 153 kilometres north-west to Birmingham to tick off its leading attractions. From The Windsor Castle to Birmingham Museum & Art Gallery and Birmingham Hippodrome Theatre, you've got a jam-packed schedule ahead.
Around 145 kilometres west of London, Bristol is another favourite stop in the United Kingdom. Get a taste of what this destination has to offer at Banksey, Banksy's You Don't Need Planning Permission to Build Castles in the Sky and Clifton Suspension Bridge.