Cheap air tickets from London Heathrow to Belfast

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Compare London Heathrow to Belfast flight deals

Find the cheapest month or even day of the year to fly to Belfast

Book the best Belfast fare with no extra fees

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Flight deals from London Heathrow to Belfast

Looking for a cheap last-minute deal or the best return flight from London Heathrow Airport to Belfast? If you want to travel next month, return fares start from HK$1,066. Find the lowest prices on one-way and return tickets right here.

Belfast.HK$1,066 per passenger.Departing Mon, 2 Nov, returning Mon, 9 Nov.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Mon, 2 Nov, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Mon, 9 Nov, arriving in London Heathrow.Price includes taxes and charges.From HK$1,066, select.

Belfast.HK$1,066 per passenger.Departing Fri, 9 Oct, returning Sun, 11 Oct.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Fri, 9 Oct, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Sun, 11 Oct, arriving in London Heathrow.Price includes taxes and charges.From HK$1,066, select.

Belfast.HK$1,081 per passenger.Departing Thu, 29 Oct, returning Thu, 5 Nov.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Thu, 29 Oct, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Thu, 5 Nov, arriving in London Heathrow.Price includes taxes and charges.From HK$1,081, select.

Belfast.HK$1,081 per passenger.Departing Wed, 30 Sep, returning Tue, 6 Oct.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 30 Sep, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Tue, 6 Oct, arriving in London Heathrow.Price includes taxes and charges.From HK$1,081, select.

Belfast.HK$1,088 per passenger.Departing Mon, 21 Dec, returning Mon, 18 Jan.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Mon, 21 Dec, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Mon, 18 Jan, arriving in London Heathrow.Price includes taxes and charges.From HK$1,088, select.

Belfast.HK$1,115 per passenger.Departing Sat, 23 Jan, returning Mon, 25 Jan.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Sat, 23 Jan, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Mon, 25 Jan, arriving in London Heathrow.Price includes taxes and charges.From HK$1,115, select.

Belfast.HK$1,116 per passenger.Departing Wed, 25 Nov, returning Tue, 1 Dec.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 25 Nov, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Tue, 1 Dec, arriving in London Heathrow.Price includes taxes and charges.From HK$1,116, select.

Belfast.HK$1,117 per passenger.Departing Wed, 2 Dec, returning Tue, 8 Dec.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 2 Dec, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Tue, 8 Dec, arriving in London Heathrow.Price includes taxes and charges.From HK$1,117, select.

Belfast.HK$1,120 per passenger.Departing Thu, 5 Nov, returning Wed, 3 Feb.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Thu, 5 Nov, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Wed, 3 Feb, arriving in London Heathrow.Price includes taxes and charges.From HK$1,120, select.

Belfast.HK$1,120 per passenger.Departing Fri, 25 Sep, returning Mon, 2 Nov.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Fri, 25 Sep, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Mon, 2 Nov, arriving in London Heathrow.Price includes taxes and charges.From HK$1,120, select.

Belfast.HK$1,121 per passenger.Departing Mon, 1 Mar, returning Wed, 31 Mar.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Mon, 1 Mar, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Wed, 31 Mar, arriving in London Heathrow.Price includes taxes and charges.From HK$1,121, select.

Belfast.HK$1,124 per passenger.Departing Mon, 22 Mar, returning Tue, 27 Apr.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Mon, 22 Mar, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Tue, 27 Apr, arriving in London Heathrow.Price includes taxes and charges.From HK$1,124, select.

Belfast.HK$1,134 per passenger.Departing Wed, 13 Jan, returning Wed, 16 Jun.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 13 Jan, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Wed, 16 Jun, arriving in London Heathrow.Price includes taxes and charges.From HK$1,134, select.

Belfast.HK$1,136 per passenger.Departing Sun, 15 Nov, returning Mon, 11 Jan.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Sun, 15 Nov, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Mon, 11 Jan, arriving in London Heathrow.Price includes taxes and charges.From HK$1,136, select.

Belfast.HK$1,136 per passenger.Departing Wed, 17 Feb, returning Sun, 21 Feb.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 17 Feb, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Sun, 21 Feb, arriving in London Heathrow.Price includes taxes and charges.From HK$1,136, select.

Belfast.HK$1,146 per passenger.Departing Wed, 23 Sep, returning Fri, 5 Mar.Return flight with British Airways.Outbound direct flight with British Airways departs from London Heathrow on Wed, 23 Sep, arriving in Belfast City.Inbound direct flight with British Airways departs from Belfast City on Fri, 5 Mar, arriving in London Heathrow.Price includes taxes and charges.From HK$1,146, select.

Find the cheapest month to fly from London Heathrow to Belfast

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

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Direct flights from London Heathrow to Belfast

Alternative London Heathrow to Belfast routes

Looking for the cheapest, fastest or easiest route from London Heathrow to Belfast? You could fly into the following airports instead.

Belfast City

4km from central Belfast

ClosestCheapest

from HK$1,066

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Belfast International

20km from central Belfast

from HK$1,632

Search flights

London to Belfast: Flight information

The things to know before you go.

Cheapest flight found	HK$1,066
Cheapest month to fly	October
Average flight time	1 hr, 25 mins
Most popular airline	Qatar Airways
Average flights per week	245

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

How many airports are there in Belfast?

There are 2 airports in Belfast: Belfast City and Belfast International.

How much are return flights from London Heathrow to Belfast?

The best price we found for a return flight from London Heathrow to Belfast is HK$1,066. 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 London Heathrow to Belfast?

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

Which airlines fly direct from London Heathrow to Belfast?

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

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

As of September 2026, there are 245 flights per week flying from London Heathrow to Belfast.

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

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

Which is the cheapest airport to fly into in Belfast?

If you're flying from London Heathrow Airport, the cheapest airport near Belfast is Belfast City – which is 3.8 km away from the centre of Belfast. We've found flights into this airport from HK$1,066.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Belfast on Friday, 9 October 2026.

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

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

How can I get the best flight deal from London Heathrow Airport to Belfast?

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 Belfast 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 Belfast?

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

What’s the weather like in Belfast?

In September, the average temperature is usually around 14°C. August is typically the warmest month in Belfast, when it usually averages around 18°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.

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

Currently, British Airways offers the cheapest flight tickets to Belfast.

How to find cheap flights from London Heathrow to Belfast

Looking for cheap air tickets from London Heathrow to Belfast? Whether you are aiming to find one-way or return flights, here are a few tips on how to secure the best ticket price and make your journey as smooth as possible.

Simply hit 'search'. We've compared flight tickets from all major online travel agents and airlines flying from London Heathrow-Belfast to find the cheapest flights. And with us there are no hidden extras - what you see is what you pay.

Flex your dates to find the flight price for your London Heathrow-Belfast flight. If your travel dates are flexible, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Belfast from London Heathrow.

Set up a Price Alert. You can easily track the price of your flight from London Heathrow to Belfast by creating an alert. Whenever prices go down or up, you'll get a push notification or e-mail to help you get the best flight deal.

Look for non-stop flights. Only interested in direct flights between London Heathrow and Belfast ? Make sure to tick 'Direct flights only' when performing a search. If there are flights without stops available, these will appear in the results.

Include nearby airports in your search. Widen your search for London Heathrow to Belfast flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save on your next trip.

Find the cheapest Business class flights from London Heathrow to Belfast. Check the difference in price of your London Heathrow-Belfast plane ticket when travelling in Economy, Premium economy, Business or First class. Note that not all cabin classes are available on every route or airline.

Search for cheap flights when out and about. To get the best flight booking experience regardless of where you are, download our app and search for flight tickets from London Heathrow to Belfast on the go.

Book air tickets from London Heathrow to Belfast with peace of mind

Find flexible flights. Your airline might be offering flexible tickets from London Heathrow to Belfast , which means you won't lose out if your flight has to be changed or cancelled.

Add travel cost protection. Avoid travel pitfalls and choose travel cost protection - it's available at the checkout as you book your London Heathrow-Belfast flight with us.

Reduce your carbon footprint by selecting a greener flight option. To check whether there are any lower emissions flights available on the route London Heathrow-Belfast , simply check the “only show flights with lower CO₂ emissions” box later on in your search.

Combine your flight to Belfast with hotels and car hire

Once you've secured your flight booking from London Heathrow to Belfast, we will help you discover the best prices and exclusive rates for cheap hotels in Belfast or nearby. And if you're looking for car hire, we've got you covered too. We allow you to compare hundreds of car hire companies in one search and find the best price on car rental in Belfast.

Compare London Heathrow-Belfast tickets with other routes

Not entirely set on flying from London Heathrow to Belfast yet? You can easily browse other destinations by searching flights to 'Everywhere' - this will allow you to find the cheapest place to travel from your chosen departure point.