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Cheap flights from Belfast to London Heathrow Airport from £64

BHD — LHR
4 Oct — 11 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Heathrow

Sun 1/1106:30 -
Nonstop1h 35m
Sat 28/1115:55 -
Nonstop1h 30m
Deal found 4/9£106
Sun 1/1120:30 -
Nonstop1h 15m
Sun 8/1113:50 -
Nonstop1h 25m
Deal found 2/9£108
Thu 10/1211:05 -
Nonstop1h 25m
Sun 13/1207:05 -
Nonstop1h 25m
Deal found 1/9£109
Sat 3/1016:15 -
Nonstop1h 20m
Sat 10/1007:30 -
Nonstop1h 20m
Deal found 2/9£109
Fri 27/1117:45 -
Nonstop1h 15m
Mon 30/1117:25 -
Nonstop1h 25m
Deal found 31/8£110
Fri 2/1016:25 -
Nonstop1h 20m
Sun 4/1011:00 -
Nonstop1h 25m
Deal found 2/9£111
Fri 2/1016:25 -
Nonstop1h 20m
Sat 3/1016:45 -
Nonstop1h 25m
Deal found 2/9£112
Sun 20/1209:20 -
Nonstop1h 25m
Tue 5/117:10 -
Nonstop1h 25m
Deal found 2/9£112
Wed 28/1017:35 -
Nonstop1h 20m
Sat 31/1009:30 -
Nonstop1h 25m
Deal found 1/9£113
Sun 4/1020:10 -
Nonstop1h 15m
Tue 13/1007:30 -
Nonstop1h 20m
Deal found 4/9£114
Thu 29/1015:25 -
Nonstop1h 20m
Mon 2/1115:20 -
Nonstop1h 30m
Deal found 4/9£115
Thu 31/1206:30 -
Nonstop1h 35m
Sun 3/118:10 -
Nonstop1h 25m
Deal found 2/9£115

Find flight deals from Belfast to Heathrow

Round-trip from

£106

One-way from

£64

Popular in

March

Cheapest in

December

Average price

£131
British Airways
  • British Airways
  • 1/11-29/11
  • Nonstop
  • 2h 40m total
  • Belfast to London
Search Deals
British Airways
  • British Airways
  • 12/10-31/12
  • Nonstop
  • 1h 25m total
  • Belfast to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£5 potential increase over avg. return price).
Search Deals
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 September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Belfast to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Thu 3/12

14:10-15:35

Nonstop1h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£69

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Sun 25/10

17:35-18:55

Nonstop1h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£70

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Wed 2/12

15:45-17:05

Nonstop1h 20m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75
Fastest return journey

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Tue 3/11

18:15-19:30

Nonstop1h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

BelfastLondon

BHD Belfast City - LHR London Heathrow

BHDLHR

Belfast City

Sun 4/10

20:10-21:25

Nonstop1h 15m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

BelfastLondon

BFS Belfast Intl - LHR London Heathrow

BFSLHR

Belfast Intl

Fri 9/10

06:40-14:30

2 stops7h 50m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£84

BelfastLondon

BFS Belfast Intl - LHR London Heathrow

BFSLHR

Belfast Intl

Sat 3/10

06:30-14:30

2 stops8h 00m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

BelfastLondon

BFS Belfast Intl - LHR London Heathrow

BFSLHR

Belfast Intl

Wed 21/10

07:30-18:20

2 stops10h 50m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

BelfastLondon

BFS Belfast Intl - LHR London Heathrow

BFSLHR

Belfast Intl

Sat 31/10

07:00-14:30

2 stops7h 30m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£87

BelfastLondon

BFS Belfast Intl - LHR London Heathrow

BFSLHR

Belfast Intl

Tue 1/12

10:40-20:05

2 stops9h 25m

London Heathrow

Wed 31/12

00:00-00:00

Nonstop0h 00m

£95

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 38 resultsSorted by cheapest first
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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

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 £118). Flying from Belfast to London Heathrow Airport in July is currently the most expensive (average of £157). 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 in the evening. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight in the afternoon.

How much does it cost for a return flight from Belfast to London Heathrow Airport?

Airfare is typical for this route at the moment.
Belfast to London Heathrow Airport flights typically cost between £106 and £185 in November.
The cheapest return price found within the last 5 days was £106 on British Airways (1 Nov–29 Nov).

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 59 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 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
1,926 reviews
Check prices

Comfort

6.8

Food

5.9

Crew

7.7

Entertainment

5.5

Overall

6.9

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
easyJet
6.9
Okay
1,926 reviews
easyJet
6.9
Okay
1,926 reviews
Check prices

Comfort

6.8

Food

5.9

Crew

7.7

Entertainment

5.5

Overall

6.9

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
British Airways
6.7
Okay
8,206 reviews
easyJet
6.9
Okay
1,926 reviews
Check prices

Comfort

6.8

Food

5.9

Crew

7.7

Entertainment

5.5

Overall

6.9

Boarding

6.7

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.

Related info for your journey

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

    Departing from Belfast to London Heathrow Airport will take you 1h 25m. 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 £34. Another option worth looking into is British Airways, starting at £87 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, December is the cheapest month in which you can book a flight from Belfast to London Heathrow Airport (average of £118). Flying from Belfast to London Heathrow Airport in July is currently the most expensive (average of £157). 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
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Northampton
Colchester
Eastbourne
Brentford
Barnet
Salisbury
Southall
Southend-on-Sea
Enfield
Kingston upon Thames
Watford

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Belfast to Heathrow

AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£34Average£85FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£87Average£162FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LoganairCheapest£141Average£196FlexibilityNo 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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