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Cheap Flights from Belfast to London Heathrow

Travellers and cabin class

Compare Belfast to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

Book the best London Heathrow fare with no extra fees

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.SAR 224 per passenger.Departing Wed, 1 Oct.One-way flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Wed, 1 Oct, arriving in London Heathrow.Price includes taxes and charges.From SAR 224, select.
London.SAR 224 per passenger.Departing Tue, 25 Nov.One-way flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Tue, 25 Nov, arriving in London Heathrow.Price includes taxes and charges.From SAR 224, select.
London.SAR 233 per passenger.Departing Tue, 16 Sep.One-way flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Tue, 16 Sep, arriving in London Heathrow.Price includes taxes and charges.From SAR 233, select.
London.SAR 233 per passenger.Departing Sun, 4 May.One-way flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Sun, 4 May, arriving in London Heathrow.Price includes taxes and charges.From SAR 233, select.
London.SAR 234 per passenger.Departing Sun, 7 Dec.One-way flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Sun, 7 Dec, arriving in London Heathrow.Price includes taxes and charges.From SAR 234, select.
London.SAR 234 per passenger.Departing Tue, 18 Mar.One-way flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Tue, 18 Mar, arriving in London Heathrow.Price includes taxes and charges.From SAR 234, select.
London.SAR 238 per passenger.Departing Tue, 5 Aug.One-way flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Tue, 5 Aug, arriving in London Heathrow.Price includes taxes and charges.From SAR 238, select.
London.SAR 252 per passenger.Departing Tue, 17 Jun.One-way flight with British Airways.Outbound direct flight with British Airways departs from Belfast City on Tue, 17 Jun, arriving in London Heathrow.Price includes taxes and charges.From SAR 252, 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 October.
Feb
from SAR 499
Mar
from SAR 234
Apr
from SAR 254
May
from SAR 233
Jun
from SAR 252
Jul
from SAR 253
Aug
from SAR 238
Sep
from SAR 233
Oct
from SAR 224
Nov
from SAR 224
Dec
from SAR 234
Jan
from SAR 430

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 foundSAR 224
Cheapest month to flyNovember
Average flight time1 hr, 25 mins
Most popular airlineBritish Airways
Average flights per week636

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

The best price we found for a return flight from Belfast to London Heathrow is SAR 364. 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 25 minutes is the average flight time from Belfast to London Heathrow.
British Airways, Qatar Airways and Aer Lingus fly direct from Belfast to London Heathrow.
As of February 2025, there are 318 flights per week flying from Belfast to London Heathrow.
The cheapest month to fly from Belfast to London Heathrow is usually February 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Belfast to London Heathrow Airport on Wednesday, 29 October 2025.
Yes – the average flight time is 1 hour and 25 minutes.
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.
The cheapest airline that flies to London Heathrow is British Airways .

How to find cheap flights to London Heathrow

Looking for cheap flights to London Heathrow? Here are a few tips on how to secure the best price and make your flight journey as smooth as possible.

  • Simply hit 'search'. We've compared hundreds of online travel agents along with all major airlines flying to London Heathrow to find the cheapest plane tickets. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to London Heathrow from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to score the best fares for your London Heathrow flight. If your travel dates are flexible, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to London Heathrow.
  • Set up a Price Alert. You can easily track the price of your cheap flights to London Heathrow by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible London Heathrow flight deal.
  • Fly without stops. Only interested in direct flights? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights to London Heathrow available, these will appear in the results.
  • Find the cheapest Business class flights to London Heathrow. We scour the internet for the best Business, Premium Economy and First Class flight fares to London Heathrow, too. Check the difference in price as you search – you might just chance upon a last-minute low fare.
  • Include nearby airports in your search. Widen your search for London Heathrow 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 next time you travel.

    • Combine your flight to London Heathrow with hotels and car hire

    Once you've secured your cheap ticket to London Heathrow, discover the best prices and exclusive rates for hotels in London Heathrow. You can also compare hundreds of car hire companies in one go so that you get the best car rental price for your trip.

    Compare London Heathrow flight tickets with other destinations using the everywhere search

    Not entirely set on flying to London Heathrow 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 departure point.


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Plan the rest of your trip from Belfast to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.