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Cheap flights from Belfast to London Heathrow Airport

BHD — LHR
14 Nov — 21 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast to Heathrow

Popular in

March

Cheapest in

October

Average price

£130
Highest demand for flights based on searches. 5% potential increase in price (£6 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in October 2026
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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

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?

To ensure you get the cheapest price possible for a flight from Belfast to London Heathrow Airport, you should look to book at least 89 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, December is the cheapest month in which you can book a flight from Belfast to London Heathrow Airport (average of £126). Flying from Belfast to London Heathrow Airport in July is currently the most expensive (average of £163). 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?

It’s optimal to fly from Belfast to London Heathrow Airport at midday. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Belfast to London Heathrow Airport?

Travellers seeking maximum savings on their Belfast to London Heathrow Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Heathrow

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
1,924 reviews
Check prices

Crew

7.7

Boarding

6.7

Food

6.0

Comfort

6.8

Overall

6.9

Entertainment

5.5

Reviews

1 / 20
6.0
Good

Aleksandra,Sept 2026

RMU - LGW

Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
easyJet
6.9
Okay
1,924 reviews
easyJet
6.9
Okay
1,924 reviews
Check prices

Crew

7.7

Boarding

6.7

Food

6.0

Comfort

6.8

Overall

6.9

Entertainment

5.5

Reviews

1 / 20
6.0
Good

Aleksandra,Sept 2026

RMU - LGW

Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.
British Airways
6.7
Okay
8,262 reviews
easyJet
6.9
Okay
1,924 reviews
Check prices

Crew

7.7

Boarding

6.7

Food

6.0

Comfort

6.8

Overall

6.9

Entertainment

5.5

Reviews

1 / 20
6.0
Good

Aleksandra,Sept 2026

RMU - LGW

Not sure Why there is no N/A option in questions as there was definitely no entertainment on EasyJet. Or food unless one pays for the dubious plastic-wrapped “ food”.

Related info for your journey

  • 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 £55. Another option worth looking into is British Airways, starting at £92 return. easyJet is 61% 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, December is the cheapest month in which you can book a flight from Belfast to London Heathrow Airport (average of £126). Flying from Belfast to London Heathrow Airport in July is currently the most expensive (average of £163). 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
Hounslow
Milton Keynes
Luton
Slough
Gatwick
Wembley
Hayes
Ilford
Croydon
Colchester
Northampton
Eastbourne
Brentford
Southend-on-Sea
Barnet
Enfield
Southall
Watford
Stratford-upon-Avon
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Belfast to Heathrow

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£55Average£65FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£92Average£167FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£146Average£200FlexibilityNo cancel feeOn-time79%
Search Loganair flights

Fly with Cheapflights

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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