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 £30. Another option worth looking into is British Airways, starting at £76 return. easyJet is 75% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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).

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.

£54+ Flights from Belfast to London Heathrow Airport

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

Airfare is below average for this route at the moment. Belfast to London Heathrow Airport flights typically cost between £89 and £145 in November. The cheapest return flight price found within the last 3 days was £88 on British Airways (20 Nov-24 Nov).

Cheapflights Tip: The best prices from Belfast to London Heathrow are usually found in January or March, booked 76 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Find 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 17 October 2025.

Thu 20/1106:35BHD - LHR

Nonstop1h 35mBritish Airways

Mon 24/1107:00LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£88

Fri 28/1119:35BHD - LHR

Nonstop1h 20mBritish Airways

Sun 30/1107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£89

Sat 29/1118:00BHD - LHR

Nonstop1h 20mBritish Airways

Sun 30/1107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£89

Mon 22/1219:25BHD - LHR

Nonstop1h 20mBritish Airways

Thu 8/107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£90

Thu 27/1106:35BHD - LHR

Nonstop1h 35mBritish Airways

Sun 30/1106:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£91

Sat 6/1215:05BHD - LHR

Nonstop1h 25mBritish Airways

Sun 7/1207:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£92

Tue 25/1119:25BHD - LHR

Nonstop1h 20mBritish Airways

Thu 27/1106:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£92

Fri 28/1119:35BHD - LHR

Nonstop1h 20mBritish Airways

Mon 1/1208:55LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£95

Sat 15/1118:00BHD - LHR

Nonstop1h 20mBritish Airways

Sat 22/1107:00LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£101

Sat 15/1118:00BHD - LHR

Nonstop1h 20mBritish Airways

Mon 17/1118:45LHR - BHD

Nonstop1h 30mBritish Airways

Deal found 16/10£107

Wed 3/1211:25BHD - LHR

Nonstop1h 30mBritish Airways

Tue 9/1214:35LHR - BHD

Nonstop1h 30mBritish Airways

Deal found 15/10£108

Mon 22/1214:40BHD - LHR

Nonstop1h 25mBritish Airways

Thu 1/108:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£109

Best flights from Belfast to Heathrow
Discover carefully curated flight deals from Belfast to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2025.

Mon 22/1214:40BHD - LHR

Nonstop1h 25mBritish Airways

Thu 8/107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£90

Tue 25/1119:25BHD - LHR

Nonstop1h 20mBritish Airways

Thu 27/1106:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£92

Tue 9/1211:25BHD - LHR

Nonstop1h 30mBritish Airways

Tue 9/1218:45LHR - BHD

Nonstop1h 30mBritish Airways

Deal found 15/10£108

Wed 24/1214:35BFS - LHR

1 stop4h 40mMultiple Airlines

Thu 1/110:00LHR - BFS

1 stop11h 40mMultiple Airlines

Deal found 16/10£245

Wed 3/1211:25BHD - LHR

Nonstop1h 30mBritish Airways

Tue 9/1214:35LHR - BHD

Nonstop1h 30mBritish Airways

Deal found 15/10£108

Thu 4/1220:00BHD - LHR

Nonstop1h 20mBritish Airways

Mon 8/1208:55LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£108

Wed 3/1211:25BHD - LHR

Nonstop1h 30mBritish Airways

Sat 6/1207:00LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£108

Mon 22/1219:25BHD - LHR

Nonstop1h 20mBritish Airways

Fri 2/106:05LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£109

Thu 19/209:05BHD - LHR

Nonstop1h 30mBritish Airways

Mon 23/217:10LHR - BHD

Nonstop1h 30mBritish Airways

Deal found 14/10£110

Tue 17/206:35BHD - LHR

Nonstop1h 35mBritish Airways

Wed 18/215:15LHR - BHD

Nonstop1h 30mBritish Airways

Deal found 14/10£110

Wed 24/1214:35BFS - LHR

1 stop4h 40mMultiple Airlines

Fri 2/108:40LHR - BFS

1 stop5h 00mMultiple Airlines

Deal found 16/10£258

Mon 17/1110:40BFS - LHR

2 stops9h 10mMultiple Airlines

Fri 21/1115:15LHR - BFS

1 stop6h 50mMultiple Airlines

Deal found 15/10£266

Sun 30/1115:45BFS - LHR

1 stop5h 40mMultiple Airlines

Sun 7/1219:20LHR - BFS

1 stop12h 50mMultiple Airlines

Deal found 16/10£280

Thu 18/1209:55BFS - LHR

1 stop8h 25mMultiple Airlines

Sun 28/1219:20LHR - BFS

1 stop12h 50mMultiple Airlines

Deal found 16/10£293

Tue 4/1109:25BFS - LHR

2 stops22h 40mMultiple Airlines

Wed 5/1118:50LHR - BFS

2 stops17h 30mMultiple Airlines

Deal found 15/10£311

Fri 20/311:45BFS - LHR

2 stops6h 05mMultiple Airlines

Sun 22/311:45LHR - BFS

1 stop6h 45mMultiple Airlines

Deal found 15/10£311

Mon 1/1209:55BFS - LHR

1 stop9h 20mMultiple Airlines

Mon 8/1208:40LHR - BFS

1 stop5h 00mMultiple Airlines

Deal found 17/10£335

Mon 1/1208:40BFS - LHR

1 stop7h 55mMultiple Airlines

Mon 1/1220:25LHR - BFS

2 stops25h 15mMultiple Airlines

Deal found 16/10£356

Direct flights from Belfast to Heathrow
Explore direct flight options from Belfast to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 October 2025.

Thu 20/1106:35BHD - LHR

Nonstop1h 35mBritish Airways

Mon 24/1107:00LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£88

Fri 28/1119:35BHD - LHR

Nonstop1h 20mBritish Airways

Sun 30/1107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£89

Sat 29/1118:00BHD - LHR

Nonstop1h 20mBritish Airways

Sun 30/1107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£89

Mon 22/1219:25BHD - LHR

Nonstop1h 20mBritish Airways

Thu 8/107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£90

Thu 27/1106:35BHD - LHR

Nonstop1h 35mBritish Airways

Sun 30/1106:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£91

Sat 6/1215:05BHD - LHR

Nonstop1h 25mBritish Airways

Sun 7/1207:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£92

Tue 25/1119:25BHD - LHR

Nonstop1h 20mBritish Airways

Thu 27/1106:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£92

Fri 13/306:45BHD - LHR

Nonstop1h 35mBritish Airways

Sun 15/307:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£95

Fri 28/1119:35BHD - LHR

Nonstop1h 20mBritish Airways

Mon 1/1208:55LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£95

Sat 15/1118:00BHD - LHR

Nonstop1h 20mBritish Airways

Sat 22/1107:00LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£101

Fri 20/306:45BHD - LHR

Nonstop1h 35mBritish Airways

Sun 22/306:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£103

Sat 15/1118:00BHD - LHR

Nonstop1h 20mBritish Airways

Mon 17/1118:45LHR - BHD

Nonstop1h 30mBritish Airways

Deal found 16/10£107

Last-minute flights from Belfast to Heathrow
Discover last-minute flight deals from Belfast to Heathrow. Data last updated 17 October 2025 and is based on user searches.

Wed 22/1012:15BFS - LHR

2 stops10h 40mMultiple Airlines

Sun 26/1006:00LHR - BFS

2 stops28h 25mMultiple Airlines

Deal found 16/10£331

Sat 15/1118:00BHD - LHR

Nonstop1h 20mBritish Airways

Sat 22/1107:00LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£101

Sat 15/1118:00BHD - LHR

Nonstop1h 20mBritish Airways

Mon 17/1118:45LHR - BHD

Nonstop1h 30mBritish Airways

Deal found 16/10£107

Mon 17/1119:25BHD - LHR

Nonstop1h 20mBritish Airways

Sun 23/1106:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£113

Tue 18/1115:05BHD - LHR

Nonstop1h 25mBritish Airways

Thu 20/1107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£114

Thu 20/1106:35BHD - LHR

Nonstop1h 35mBritish Airways

Mon 24/1107:00LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£88

Fri 21/1119:35BHD - LHR

Nonstop1h 20mBritish Airways

Sun 23/1107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 15/10£112

Tue 25/1119:25BHD - LHR

Nonstop1h 20mBritish Airways

Thu 27/1106:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£92

Thu 27/1106:35BHD - LHR

Nonstop1h 35mBritish Airways

Sun 30/1106:50LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£91

Fri 28/1119:35BHD - LHR

Nonstop1h 20mBritish Airways

Sun 30/1107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£89

Fri 28/1119:35BHD - LHR

Nonstop1h 20mBritish Airways

Mon 1/1208:55LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£95

Sat 29/1118:00BHD - LHR

Nonstop1h 20mBritish Airways

Sun 30/1107:45LHR - BHD

Nonstop1h 25mBritish Airways

Deal found 16/10£89

One-way flights from Belfast to Heathrow
Search for one-way flight options from Belfast to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 October 2025.

Thu 29/111:05BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 14/10£54

Thu 26/320:00BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/10£55

Wed 26/1106:35BHD - LHR

Nonstop1h 35mBritish Airways

Deal found 15/10£56

Sat 15/1118:00BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 16/10£57

Sun 16/1109:10BHD - LHR

Nonstop1h 30mBritish Airways

Deal found 17/10£58

Fri 21/1106:45BHD - LHR

Nonstop1h 35mBritish Airways

Deal found 15/10£80

Thu 30/1020:00BHD - LHR

Nonstop1h 20mBritish Airways

Deal found 15/10£80

Sat 1/1106:35BHD - LHR

Nonstop1h 35mBritish Airways

Deal found 15/10£82

Mon 23/214:40BFS - LHR

2 stops27h 20mMultiple Airlines

Deal found 15/10£86

Wed 22/1009:35BFS - LHR

1 stop23h 35mMultiple Airlines

Deal found 15/10£91

Tue 2/1206:50BFS - LHR

2 stops11h 10mMultiple Airlines

Deal found 16/10£97

Sat 15/1108:30BFS - LHR

2 stops11h 35mMultiple Airlines

Deal found 16/10£101

Cheap flight deals from Belfast to Heathrow

Round-trip from	£88
One-way from	£54
Popular in	June
Cheapest in	January
Average price	£119

British Airways
20/11-24/11
Nonstop
3h 00m total
Belfast to London

Search Deals

British Airways
29/1
Nonstop
1h 30m 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. 0% potential price decrease (£1 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

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

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Mon 22/12

14:40-16:05

Nonstop1h 25m

London Heathrow

Thu 8/1

07:45-09:10

Nonstop1h 25m

£90

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Tue 25/11

19:25-20:45

Nonstop1h 20m

London Heathrow

Thu 27/11

06:50-08:15

Nonstop1h 25m

£92

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Tue 9/12

11:25-12:55

Nonstop1h 30m

London Heathrow

Tue 9/12

18:45-20:15

Nonstop1h 30m

£108

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Wed 3/12

11:25-12:55

Nonstop1h 30m

London Heathrow

Tue 9/12

14:35-16:05

Nonstop1h 30m

£108

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 4/12

20:00-21:20

Nonstop1h 20m

London Heathrow

Mon 8/12

08:55-10:20

Nonstop1h 25m

£108

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Wed 3/12

11:25-12:55

Nonstop1h 30m

London Heathrow

Sat 6/12

07:00-08:25

Nonstop1h 25m

£108

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Mon 22/12

19:25-20:45

Nonstop1h 20m

London Heathrow

Fri 2/1

06:05-07:30

Nonstop1h 25m

£109

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Thu 19/2

09:05-10:35

Nonstop1h 30m

London Heathrow

Mon 23/2

17:10-18:40

Nonstop1h 30m

£110

BelfastLondon

BHD - LHR

BHDLHR

Belfast City

Tue 17/2

06:35-08:10

Nonstop1h 35m

London Heathrow

Wed 18/2

15:15-16:45

Nonstop1h 30m

£110

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Wed 24/12

14:35-19:15

1 stop4h 40m

London Heathrow

Thu 1/1

10:00-21:40

1 stop11h 40m

£245

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 37 results

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?

To ensure you get the cheapest price possible for a flight from Belfast to London Heathrow Airport, you should look to book at least 76 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 £31). Flying from Belfast to London Heathrow Airport in May is currently the most expensive (average of £82). 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 60% 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?

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

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

1,835 reviews

Check prices

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

1,835 reviews

easyJet

6.9

Okay

1,835 reviews

Check prices

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

7,457 reviews

easyJet

6.9

Okay

1,835 reviews

Check prices

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

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 £30. Another option worth looking into is British Airways, starting at £76 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 £31). Flying from Belfast to London Heathrow Airport in May is currently the most expensive (average of £82). 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

Milton Keynes

Croydon

Slough

Gatwick

Hounslow

Northampton

Luton

Wembley

Deal

Ilford

Crawley

Hayes

Watford

Winchester

Swindon

Chichester

Romford

Ipswich

Brentford

Dartford

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Belfast to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£30	Average£74	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
British Airways	Cheapest£76	Average£147	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Loganair	Cheapest£133	Average£204	FlexibilityNo cancel fee	On-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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Belfast to London Heathrow Airport from £54

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Belfast to London Heathrow are usually found in January or March, booked 76 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Find flight deals from Belfast to Heathrow

Cheapest flights from Belfast to HeathrowExplore 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 17 October 2025.

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 17 October 2025.

Cheap flight deals from Belfast to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

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 10 October 2025.

What is the cheapest month to book a flight from Belfast to London Heathrow Airport?

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 17 October 2025.

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.

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

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.

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?

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

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

How can I find direct flights from Belfast to Heathrow?

Can I find deals for business class flights from Belfast to Heathrow?

What is the cheapest month to book a flight from Belfast to London Heathrow Airport?

Travelling to a place near London Heathrow Airport?

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.

Alternative routes for Belfast to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Belfast to Heathrow

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?

Why should you use Cheapflights to find cheap flight tickets from Belfast to Heathrow?

Can Cheapflights find flights from Belfast to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Belfast to Heathrow become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 17 October 2025.