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Cheap flights from Belfast to London Heathrow Airport from £50

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LHR
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Belfast to London Heathrow are usually found in January or October, booked 78 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from Belfast to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Heathrow
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 5 December 2025.

Sun 21/1215:10BHD - LHR
Nonstop1h 25mBritish Airways
Sun 4/106:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 4/12£102
Fri 26/1206:45BHD - LHR
Nonstop1h 35mBritish Airways
Fri 2/106:05LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 3/12£112
Wed 31/1219:25BHD - LHR
Nonstop1h 20mBritish Airways
Sun 4/106:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 3/12£117
Tue 23/1206:35BHD - LHR
Nonstop1h 35mBritish Airways
Thu 1/108:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 3/12£118
Tue 23/1206:35BHD - LHR
Nonstop1h 35mBritish Airways
Fri 2/106:05LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 4/12£119
Tue 23/1219:25BHD - LHR
Nonstop1h 20mBritish Airways
Fri 26/1208:55LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 5/12£125
Fri 19/1211:30BHD - LHR
Nonstop1h 30mBritish Airways
Fri 26/1208:55LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 4/12£136
Sat 6/1215:05BHD - LHR
Nonstop1h 25mBritish Airways
Wed 10/1209:05LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 4/12£137
Sat 6/1218:00BHD - LHR
Nonstop1h 20mBritish Airways
Sat 13/1207:00LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 3/12£138
Wed 10/1212:25BHD - LHR
Nonstop1h 30mBritish Airways
Sun 14/1206:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 4/12£139
Fri 12/1219:35BHD - LHR
Nonstop1h 20mBritish Airways
Sun 14/1206:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 3/12£139
Thu 18/1218:25BFS - LHR
1 stop13h 30mMultiple Airlines
Wed 31/1214:45LHR - BFS
1 stop6h 55mMultiple Airlines
Deal found 3/12£236

Find 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 5 December 2025.

Round-trip from

£82

One-way from

£50

Popular in

June

Cheapest in

January

Average price

£129
British Airways
  • British Airways
  • 25/2-6/3
  • Nonstop
  • 2h 55m total
  • Belfast to London
Search Deals
British Airways
  • British Airways
  • 7/1
  • Nonstop
  • 1h 25m total
  • Belfast to London
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 5 December 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 27/2

06:45-08:20

Nonstop1h 35m

London Heathrow

Mon 2/3

07:00-08:25

Nonstop1h 25m

£86

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Wed 11/2

09:15-10:45

Nonstop1h 30m

London Heathrow

Fri 13/2

06:05-07:30

Nonstop1h 25m

£87

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Tue 27/1

15:05-16:30

Nonstop1h 25m

London Heathrow

Fri 30/1

06:05-07:30

Nonstop1h 25m

£88

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 22/1

11:05-12:35

Nonstop1h 30m

London Heathrow

Sat 24/1

07:00-08:25

Nonstop1h 25m

£89

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 18/1

06:30-08:05

Nonstop1h 35m

London Heathrow

Thu 22/1

06:50-08:15

Nonstop1h 25m

£89

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 1/1

06:35-08:10

Nonstop1h 35m

London Heathrow

Sun 4/1

06:50-08:15

Nonstop1h 25m

£94

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 1/1

06:35-08:10

Nonstop1h 35m

London Heathrow

Sat 3/1

07:00-08:25

Nonstop1h 25m

£96

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sat 28/3

18:00-19:20

Nonstop1h 20m

London Heathrow

Sun 29/3

08:50-10:10

Nonstop1h 20m

£108

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Thu 1/1

13:35-21:40

1 stop8h 05m

London Heathrow

Fri 2/1

06:25-11:15

1 stop4h 50m

£216

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Thu 18/12

18:25-07:55

1 stop13h 30m

London Heathrow

Wed 31/12

14:45-21:40

1 stop6h 55m

£236

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 34 results
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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 28 November 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 77 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 £40). Flying from Belfast to London Heathrow Airport in May is currently the most expensive (average of £83). 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 5 December 2025.

It’s optimal to fly from Belfast to London Heathrow Airport in the evening. By choosing this option you can save up to 62% on the cost of your flight, compared to a flight in the afternoon.

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.

How often are flights from Belfast to London delayed?

About 100% of weekly flights between Belfast and London have experienced delays in the past year, with the average delay time being 121 minutes.

What is the most punctual flight time for Belfast to London flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Belfast to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 100% of flights being delayed.

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 5 December 2025.
Get a feel of what it's like to fly with easyJet and 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.
easyJet
6.9
Okay
1,848 reviews
Check prices

Boarding

6.7

Entertainment

5.5

Food

5.9

Comfort

6.7

Crew

7.6

Overall

6.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
easyJet
6.9
Okay
1,848 reviews
easyJet
6.9
Okay
1,848 reviews
Check prices

Boarding

6.7

Entertainment

5.5

Food

5.9

Comfort

6.7

Crew

7.6

Overall

6.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .
British Airways
6.7
Okay
7,562 reviews
easyJet
6.9
Okay
1,848 reviews
Check prices

Boarding

6.7

Entertainment

5.5

Food

5.9

Comfort

6.7

Crew

7.6

Overall

6.9

Reviews

1 / 20
10.0
Excellent

muhon,Oct 2025

MAN - GVA

Service and quality and the price is great .definitely recomondable .

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.

  • How long is the flight from Belfast to London Heathrow Airport?

    Departing from Belfast to London Heathrow Airport will take you 1h 35m. Airlines will cover a distance of 312 mi. All flights are typically direct.

  • What are the cheapest airlines flying from Belfast to London Heathrow Airport round-trip?

    Flying on easyJet is currently your cheapest option to London Heathrow Airport, with prices starting at £30. Another option worth looking into is British Airways, starting at £79 return. easyJet is 75% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Belfast to Heathrow that include hotel bookings?

    Yes. In addition to deals on Belfast to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Heathrow.

  • 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 £40). Flying from Belfast to London Heathrow Airport in May is currently the most expensive (average of £83). 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.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Northampton
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Swindon
Romford
Bedford
Chichester

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Belfast to Heathrow

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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£30Average£76FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£79Average£150FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£134Average£205FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

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!

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