Cheap flights from Belfast to London Heathrow Airport from £51
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LHR
23 Jul — 30 Jul1
Return
1 adult
Economy
Cheapflights Tip: The best prices from Belfast to London Heathrow are usually found in January or March, booked 72 days in advance, depart on a Thursday or Tuesday and return on a Wednesday
Cheap flight deals from Belfast to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 July 2025.
Explore the most affordable flight options available from Belfast to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.
Fri 5/1219:35BHD - LHR
Nonstop1h 20mBritish Airways
Sun 7/1206:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 18/7£88
Tue 19/817:50BFS - LHR
1 stop3h 55mMultiple Airlines
Tue 26/818:15LHR - BFS
1 stop4h 25mMultiple Airlines
Deal found 16/7£151
Best flights from Belfast to Heathrow
Discover carefully curated flight deals from Belfast to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 July 2025.
Fri 5/1219:35BHD - LHR
Nonstop1h 20mBritish Airways
Sun 7/1206:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 18/7£88
Tue 19/817:50BFS - LHR
1 stop3h 55mMultiple Airlines
Tue 26/818:15LHR - BFS
1 stop4h 25mMultiple Airlines
Deal found 16/7£151
Direct flights from Belfast to Heathrow
Explore direct flight options from Belfast to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 July 2025.
Fri 5/1219:35BHD - LHR
Nonstop1h 20mBritish Airways
Sun 7/1206:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 18/7£88
Last-minute flights from Belfast to Heathrow
Discover last-minute flight deals from Belfast to Heathrow. Data last updated 18 July 2025 and is based on user searches.
Wed 23/720:15BHD - LHR
Nonstop1h 20mBritish Airways
Wed 30/707:45LHR - BHD
Nonstop1h 20mBritish Airways
Deal found 18/7£140
Thu 24/707:10BFS - LHR
1 stop7h 50mMultiple Airlines
Sat 26/721:45LHR - BFS
1 stop9h 05mMultiple Airlines
Deal found 16/7£226
Mon 28/707:00BHD - LHR
1 stop10h 55mMultiple Airlines
Thu 31/707:00LHR - BHD
1 stop7h 40mMultiple Airlines
Deal found 18/7£240
Fri 15/819:30BHD - LHR
Nonstop1h 20mBritish Airways
Sun 17/808:00LHR - BHD
Nonstop1h 20mBritish Airways
Deal found 16/7£93
Tue 19/817:50BFS - LHR
1 stop3h 55mMultiple Airlines
Tue 26/818:15LHR - BFS
1 stop4h 25mMultiple Airlines
Deal found 16/7£151
Fri 22/819:30BHD - LHR
Nonstop1h 20mMultiple Airlines
Mon 25/821:50LHR - BHD
1 stop12h 20mMultiple Airlines
Deal found 18/7£160
One-way flights from Belfast to Heathrow
Search for one-way flight options from Belfast to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 July 2025.
Wed 10/920:15BHD - LHR
Nonstop1h 20mBritish Airways
Deal found 17/7£51
Tue 30/907:30BFS - LHR
1 stop6h 45mMultiple Airlines
Deal found 16/7£70
Mon 8/909:05BHD - LHR
1 stop8h 50mMultiple Airlines
Deal found 18/7£94
Cheapflights Fare Finder
Customise your flight search to find flights from Belfast to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 July 2025.
Use the filters below to find and compare flights from Belfast to London Heathrow Airport that are best for you.
Fly from
Belfast
Fly to
Heathrow
Route
Depart
Return
Price
BelfastLondon
BHD - LHR
BHDLHR
Belfast City
Fri 5/12
19:35-20:55
Nonstop1h 20m
London Heathrow
Sun 7/12
06:50-08:15
Nonstop1h 25m
£88
BelfastLondon
BFS - LHR
BFSLHR
Belfast Intl
Tue 19/8
17:50-21:45
1 stop3h 55m
London Heathrow
Tue 26/8
18:15-22:40
1 stop4h 25m
£151
BelfastLondon
BHD - LHR
BHDLHR
Belfast City
Wed 10/9
20:15-21:35
Nonstop1h 20m
£51
BelfastLondon
BFS - LHR
BFSLHR
Belfast Intl
Tue 30/9
07:30-14:15
1 stop6h 45m
£70
BelfastLondon
BHD - LHR
BHDLHR
Belfast City
Mon 8/9
09:05-17:55
1 stop8h 50m
£94
Flights are sorted by cheapest return flights first.
Deals found on 17/7
Best time to book a flight from Belfast to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Belfast with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Belfast to London Heathrow Airport
How far ahead should I book a flight from Belfast to London Heathrow Airport?
Use this chart to determine the optimal time to book a return flight from Belfast to Heathrow. Price data was last updated on 11 July 2025.
To ensure you get the cheapest price possible for a flight from Belfast to London Heathrow Airport, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Belfast to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Belfast to London Heathrow Airport (average of £112). Flying from Belfast to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from BFS to LHR?
Find hourly flight availability from Belfast to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2025.
It’s optimal to fly from Belfast to London Heathrow Airport in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight at midday.
What is the cheapest day to fly from Belfast to London Heathrow Airport?
Use this chart to determine the cheapest time to fly return from Belfast to Heathrow. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Belfast to London Heathrow Airport flight should consider departing on Saturday at midday when fares are most often at their lowest. Tuesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Heathrow
Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 18 July 2025.
Get a feel of what it's like to fly with British Airways from Belfast to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.
Entertainment system did not work. Seems like Wi-Fi should have been comped at hat point. Boarding at Marco Polo in Venice was terrible. Insisted on gate checking our bag but not others! Connection was confused and flight was very late.
Related info for your journey
Find useful and relevant information for your journey from Belfast to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What is the cheapest airline to fly from Belfast to London Heathrow Airport round-trip?
Flying on British Airways is currently your cheapest option to London Heathrow Airport, with prices starting at £88. British Airways is 25% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for business class flights from Belfast to Heathrow?
Yes. Cheapflights offers flight deals from Belfast to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Belfast to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Belfast to London Heathrow Airport (average of £112). Flying from Belfast to London Heathrow Airport in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 July 2025.
Discover the top 3 airlines that operate flights from Belfast to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 18 July 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Belfast to Heathrow?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Belfast today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Belfast to Heathrow?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast to Heathrow for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Belfast to Heathrow with no change fees?
Certainly. Search results for flights to Heathrow from Belfast shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Belfast to Heathrow become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.