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Cheap flights from Belfast to London Heathrow Airport from £48

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LHR
16 Apr — 23 Apr1
1 adult

Cheapflights Tip: The best prices from Belfast to London Heathrow are usually found in January or November, booked 62 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 11 April 2025.

Round-trip from

£93

One-way from

£48

Popular in

June

Cheapest in

January

Average price

£115
British Airways
  • British Airways
  • 23/5-30/5
  • Nonstop
  • 2h 45m total
  • Belfast to London
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British Airways
  • British Airways
  • 11/9
  • Nonstop
  • 1h 20m 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).
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Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Find flight deals from Belfast to Heathrow

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 11 April 2025.

Fri 5/1206:45BHD - LHR
Nonstop1h 35mBritish Airways
Sun 7/1206:50LHR - BHD
Nonstop1h 25mBritish Airways
Deal found 10/4£81
Tue 27/516:40BFS - LHR
1 stop6h 00mMultiple Airlines
Thu 29/518:10LHR - BFS
1 stop4h 45mMultiple Airlines
Deal found 9/4£148
Fri 2/518:40BHD - LHR
1 stop3h 05mMultiple Airlines
Sun 4/517:50LHR - BHD
Nonstop1h 25mMultiple Airlines
Deal found 11/4£162

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 11 April 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

Thu 11/9

19:25-20:45

Nonstop1h 20m

London Heathrow

Thu 18/9

07:30-08:50

Nonstop1h 20m

£82

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Tue 27/5

16:40-22:40

1 stop6h 00m

London Heathrow

Thu 29/5

18:10-22:55

1 stop4h 45m

£148

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Fri 11/7

19:30-20:50

Nonstop1h 20m

London Heathrow

Tue 22/7

06:15-10:10

1 stop3h 55m

£150

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 11/9

19:25-20:45

Nonstop1h 20m

£48

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Fri 9/5

10:55-14:15

1 stop27h 20m

£75

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Mon 21/7

07:55-22:10

1 stop14h 15m

£91

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sat 24/5

10:10-18:20

2 stops8h 10m

£191

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 14/9

06:30-20:55

1 stop14h 25m

£281

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 10/8

11:15-17:45

3 stops30h 30m

£567

Flights are sorted by cheapest return flights first.

Deals found on 10/4

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 4 April 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 62 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 11 April 2025.

It’s optimal to fly from Belfast to London Heathrow Airport in the evening. By choosing this option you can save up to 16% 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 11 April 2025.
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,321 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Aer Lingus
7.0
Good
1,060 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,738 reviews
KLM
7.8
Good
1,321 reviews
Check prices

Entertainment

7.1

Comfort

7.7

Overall

7.8

Boarding

7.8

Food

7.3

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 £93. British Airways is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Belfast to London Heathrow Airport one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as £48. Users have also found prices from £191 and £281 on Aer Lingus and KLM, respectively.

  • 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 £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.

See more FAQs

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Luton
Gatwick
Croydon
Slough
Eastbourne
Northampton
Wembley
Crawley
Hayes
Swindon
Southend-on-Sea
Maidstone
Ilford
Winchester
Ipswich
Southall
Folkestone

Browse thousands of different options on Cheapflights for your next trip

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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 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£33Average£77FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£74Average£138FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£134Average£215FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Belfast to Heathrow?

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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.

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