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Cheap flights from Belfast to London Heathrow Airport from £56

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LHR
30 Mar — 6 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 25 March 2025.

Round-trip from

£89

One-way from

£56

Popular in

July

Cheapest in

January

Average price

£111
British Airways
  • British Airways
  • 2/5-5/5
  • Nonstop
  • 2h 50m total
  • Belfast to London
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British Airways
  • British Airways
  • 4/6
  • Nonstop
  • 1h 20m total
  • Belfast to London
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Highest demand for flights based on searches. 12% potential increase in price (£12 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in March 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 25 March 2025.

Wed 15/1018:15BHD - LHR
Nonstop1h 20mBritish Airways
Mon 20/1007:45LHR - BHD
Nonstop1h 20mBritish Airways
Deal found 24/3£80
Tue 13/516:40BFS - LHR
1 stop6h 00mMultiple Airlines
Wed 14/506:45LHR - BFS
1 stop4h 35mMultiple Airlines
Deal found 24/3£160
Fri 29/817:00BHD - LHR
1 stop4h 10mMultiple Airlines
Sun 31/810:55LHR - BHD
Nonstop1h 20mMultiple Airlines
Deal found 24/3£169
Sat 29/317:20BHD - LHR
1 stop13h 20mKLM
Tue 1/409:55LHR - BHD
1 stop7h 00mKLM
Deal found 24/3£343

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 25 March 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 2/5

11:55-13:20

Nonstop1h 25m

London Heathrow

Mon 5/5

11:40-13:05

Nonstop1h 25m

£89

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Tue 13/5

16:40-22:40

1 stop6h 00m

London Heathrow

Wed 14/5

06:45-11:20

1 stop4h 35m

£160

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Fri 29/8

17:00-21:10

1 stop4h 10m

London Heathrow

Sun 31/8

10:55-12:15

Nonstop1h 20m

£169

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Sun 6/4

06:30-20:55

1 stop14h 25m

London Heathrow

Wed 9/4

19:15-21:15

1 stop26h 00m

£492

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Fri 23/5

10:20-20:20

2 stops10h 00m

London Heathrow

Sun 25/5

08:50-17:40

2 stops8h 50m

£616

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Wed 4/6

20:15-21:35

Nonstop1h 20m

£56

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Mon 31/3

12:35-14:15

1 stop25h 40m

£75

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 24/7

17:10-20:45

1 stop3h 35m

£77

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Wed 2/4

16:55-08:00

2 stops15h 05m

£148

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 12/6

12:00-17:45

3 stops29h 45m

£468

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 21 March 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 25 March 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 25 March 2025.
See what other customers who have flown with KLM, Aer Lingus and British Airways from Belfast to London have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

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
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

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
1,061 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

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
6,712 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Crew

8.4

Boarding

7.8

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 are the cheapest airlines flying 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 £89. Additional return tickets that might be worth considering are offered by KLM and Aer Lingus, with the lowest prices starting at £492 and £616, respectively. British Airways is 25% 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 £56. Users have also found prices from £148 and £468 on Aer Lingus and Loganair, 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
Gatwick
Croydon
Slough
Luton
Eastbourne
Northampton
Ilford
Swindon
Hayes
Crawley
Southend-on-Sea
Wembley
Maidstone
Winchester
Ipswich
Watford
Southall

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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£33Average£77FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£74Average£136FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£134Average£212FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

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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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