What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

What is the most punctual flight time for Belfast to London flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Which airline has the best punctuality record on Belfast to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 100% of flights being delayed.

How often are flights from Belfast to London delayed?

About 100% of weekly flights between Belfast and London have experienced delays in the past year, with the average delay time being 121 minutes.

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

easyJet, at £34, was found to be the cheapest airline from Belfast Intl Airport to London Heathrow Airport. An alternate airline flying to your destination would be British Airways. easyJet is priced at 71% lower than the current average price of a flight leaving 3 months from now.

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).

What is the cheapest time of day to fly from BFS to LHR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast Intl Airport to London Heathrow Airport as you normally would.

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

Yes. In addition to deals on Belfast Intl to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Belfast Intl to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Heathrow.

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

Yes. Cheapflights offers flight deals from Belfast Intl 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.

£91+ Flights from Belfast Intl Airport to London Heathrow Airport

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

Airfare is above average for this route at the moment. Belfast Intl Airport to London Heathrow Airport flights typically cost between £87 and £134 in February. The cheapest return flight price found within the last 3 days was £194 on Multiple Airlines (20 Feb-27 Feb).

Cheap flight deals from Belfast Intl to Heathrow

Round-trip from	£194
One-way from	£91
Popular in	June
Cheapest in	October
Average price	£119

20/2-27/2
2 total stops
12h 25m total
Belfast to London

Search Deals

5/2
2 total stops
7h 10m total
Belfast to London

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£10 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£1 potential savings vs. average return price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Find flight deals from Belfast Intl to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Heathrow
Explore the most affordable flight options available from Belfast Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 January 2026.

Fri 20/216:05BFS - LHR

1 stop5h 25mMultiple Airlines

Fri 27/215:20LHR - BFS

1 stop7h 00mMultiple Airlines

Deal found 6/1£194

Sun 25/106:30BFS - LHR

1 stop7h 55mMultiple Airlines

Fri 30/115:15LHR - BFS

1 stop6h 50mMultiple Airlines

Deal found 5/1£215

Fri 6/217:35BFS - LHR

1 stop4h 10mMultiple Airlines

Fri 13/221:10LHR - BFS

1 stop10h 50mMultiple Airlines

Deal found 5/1£234

Sun 15/215:45BFS - LHR

1 stop5h 40mMultiple Airlines

Sun 22/219:20LHR - BFS

1 stop12h 50mMultiple Airlines

Deal found 6/1£247

Sat 24/106:55BFS - LHR

2 stops13h 55mMultiple Airlines

Mon 26/111:45LHR - BFS

2 stops9h 45mMultiple Airlines

Deal found 6/1£248

Thu 5/212:45BFS - LHR

2 stops18h 55mMultiple Airlines

Sat 7/208:40LHR - BFS

2 stops13h 55mMultiple Airlines

Deal found 6/1£262

Mon 16/210:35BFS - LHR

2 stops9h 15mMultiple Airlines

Mon 23/214:25LHR - BFS

1 stop7h 30mMultiple Airlines

Deal found 6/1£272

Best flights from Belfast Intl to Heathrow
Discover carefully curated flight deals from Belfast Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 January 2026.

Sun 25/106:30BFS - LHR

1 stop7h 55mMultiple Airlines

Fri 30/115:15LHR - BFS

1 stop6h 50mMultiple Airlines

Deal found 5/1£215

Fri 6/217:35BFS - LHR

1 stop4h 10mMultiple Airlines

Fri 13/221:10LHR - BFS

1 stop10h 50mMultiple Airlines

Deal found 5/1£234

Sat 24/106:55BFS - LHR

2 stops13h 55mMultiple Airlines

Mon 26/111:45LHR - BFS

2 stops9h 45mMultiple Airlines

Deal found 6/1£248

Fri 20/210:35BFS - LHR

2 stops10h 30mMultiple Airlines

Fri 27/207:00LHR - BFS

1 stop5h 50mMultiple Airlines

Deal found 6/1£251

Thu 5/212:45BFS - LHR

2 stops18h 55mMultiple Airlines

Sat 7/208:40LHR - BFS

2 stops13h 55mMultiple Airlines

Deal found 6/1£262

Mon 16/210:35BFS - LHR

2 stops9h 15mMultiple Airlines

Mon 23/214:25LHR - BFS

1 stop7h 30mMultiple Airlines

Deal found 6/1£272

Mon 2/209:55BFS - LHR

1 stop6h 10mMultiple Airlines

Mon 9/208:40LHR - BFS

1 stop5h 00mMultiple Airlines

Deal found 5/1£282

Thu 22/108:35BFS - LHR

2 stops5h 50mMultiple Airlines

Sun 25/107:00LHR - BFS

1 stop5h 45mMultiple Airlines

Deal found 5/1£291

Thu 29/107:05BFS - LHR

2 stops7h 20mMultiple Airlines

Fri 30/108:40LHR - BFS

1 stop5h 00mMultiple Airlines

Deal found 6/1£297

Last-minute flights from Belfast Intl to Heathrow
Discover last-minute flight deals from Belfast Intl to Heathrow. Data last updated 7 January 2026 and is based on user searches.

Sat 24/106:55BFS - LHR

2 stops13h 55mMultiple Airlines

Mon 26/111:45LHR - BFS

2 stops9h 45mMultiple Airlines

Deal found 6/1£248

Sun 25/106:30BFS - LHR

1 stop7h 55mMultiple Airlines

Fri 30/115:15LHR - BFS

1 stop6h 50mMultiple Airlines

Deal found 5/1£215

Thu 5/212:45BFS - LHR

2 stops18h 55mMultiple Airlines

Sat 7/208:40LHR - BFS

2 stops13h 55mMultiple Airlines

Deal found 6/1£262

Fri 6/217:35BFS - LHR

1 stop4h 10mMultiple Airlines

Fri 13/221:10LHR - BFS

1 stop10h 50mMultiple Airlines

Deal found 5/1£234

Sun 15/215:45BFS - LHR

1 stop5h 40mMultiple Airlines

Sun 22/219:20LHR - BFS

1 stop12h 50mMultiple Airlines

Deal found 6/1£247

Mon 16/210:35BFS - LHR

2 stops9h 15mMultiple Airlines

Mon 23/214:25LHR - BFS

1 stop7h 30mMultiple Airlines

Deal found 6/1£272

Fri 20/216:05BFS - LHR

1 stop5h 25mMultiple Airlines

Fri 27/215:20LHR - BFS

1 stop7h 00mMultiple Airlines

Deal found 6/1£194

One-way flights from Belfast Intl to Heathrow
Search for one-way flight options from Belfast Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 7 January 2026.

Thu 5/208:25BFS - LHR

2 stops7h 10mMultiple Airlines

Deal found 6/1£91

Thu 29/107:00BFS - LHR

2 stops7h 25mMultiple Airlines

Deal found 5/1£93

Wed 4/208:50BFS - LHR

2 stops8h 00mMultiple Airlines

Deal found 6/1£94

Sun 15/207:10BFS - LHR

2 stops8h 25mMultiple Airlines

Deal found 6/1£95

Mon 23/310:30BFS - LHR

2 stops9h 35mMultiple Airlines

Deal found 5/1£96

Sun 22/323:05BFS - LHR

2 stops14h 10mMultiple Airlines

Deal found 4/1£97

Mon 19/112:40BFS - LHR

2 stops7h 10mMultiple Airlines

Deal found 5/1£98

Thu 22/108:25BFS - LHR

2 stops7h 10mMultiple Airlines

Deal found 6/1£98

Sat 24/112:45BFS - LHR

2 stops8h 20mMultiple Airlines

Deal found 5/1£99

Tue 20/106:30BFS - LHR

2 stops12h 20mMultiple Airlines

Deal found 5/1£100

Mon 12/119:20BFS - LHR

2 stops13h 55mMultiple Airlines

Deal found 6/1£101

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Sun 25/1

06:30-14:25

1 stop7h 55m

London Heathrow

Fri 30/1

15:15-22:05

1 stop6h 50m

£215

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Fri 6/2

17:35-21:45

1 stop4h 10m

London Heathrow

Fri 13/2

21:10-08:00

1 stop10h 50m

£234

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Sat 24/1

06:55-20:50

2 stops13h 55m

London Heathrow

Mon 26/1

11:45-21:30

2 stops9h 45m

£248

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Fri 20/2

10:35-21:05

2 stops10h 30m

London Heathrow

Fri 27/2

07:00-12:50

1 stop5h 50m

£251

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Thu 5/2

12:45-07:40

2 stops18h 55m

London Heathrow

Sat 7/2

08:40-22:35

2 stops13h 55m

£262

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Mon 16/2

10:35-19:50

2 stops9h 15m

London Heathrow

Mon 23/2

14:25-21:55

1 stop7h 30m

£272

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Mon 2/2

09:55-16:05

1 stop6h 10m

London Heathrow

Mon 9/2

08:40-13:40

1 stop5h 00m

£282

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Thu 22/1

08:35-14:25

2 stops5h 50m

London Heathrow

Sun 25/1

07:00-12:45

1 stop5h 45m

£291

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Thu 29/1

07:05-14:25

2 stops7h 20m

London Heathrow

Fri 30/1

08:40-13:40

1 stop5h 00m

£297

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Thu 29/1

07:00-14:25

2 stops7h 25m

£93

Flights are sorted by cheapest return flights first.

Deals found on 5/1

Showing 1-10 of 20 results

Best time to book a flight from Belfast Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Belfast Intl 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 Intl Airport to London Heathrow Airport

Prices

Delays

How far ahead should I book a flight from Belfast Intl Airport to London Heathrow Airport?

To ensure you get the cheapest price possible for a flight from Belfast Intl Airport to London Heathrow Airport, you should look to book at least 77 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 Intl Airport to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to London Heathrow Airport (average of £55). Flying from Belfast Intl Airport to London Heathrow Airport in February is currently the most expensive (average of £85). 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.

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

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with easyJet and British Airways from Belfast Intl Airport to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

easyJet

6.9

Okay

1,858 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

1,858 reviews

easyJet

6.9

Okay

1,858 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

7,657 reviews

easyJet

6.9

Okay

1,858 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

What are the cheapest airlines flying from Belfast Intl Airport to London Heathrow Airport round-trip?
easyJet, at £34, was found to be the cheapest airline from Belfast Intl Airport to London Heathrow Airport. An alternate airline flying to your destination would be British Airways. easyJet is priced at 71% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Belfast Intl to Heathrow that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Heathrow.
Can I find deals for business class flights from Belfast Intl to Heathrow?
Yes. Cheapflights offers flight deals from Belfast Intl 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 Intl Airport to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to London Heathrow Airport (average of £55). Flying from Belfast Intl Airport to London Heathrow Airport in February is currently the most expensive (average of £85). 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

Luton

Croydon

Northampton

Slough

Hounslow

Gatwick

Ilford

Wembley

Brentford

Hayes

Colchester

Watford

Crawley

Swindon

Kingston upon Thames

Bedford

Chelmsford

Eastbourne

Romford

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Belfast Intl to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£34	Average£66	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
British Airways	Cheapest£78	Average£127	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Belfast Intl to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast Intl to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Belfast Intl to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Belfast Intl to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Belfast Intl Airport to London Heathrow Airport from £91

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Belfast Intl to Heathrow

Cheapest flights from Belfast Intl to HeathrowExplore the most affordable flight options available from Belfast Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 January 2026.

Explore the most affordable flight options available from Belfast Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 January 2026.

Cheapflights Fare Finder

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

Best time to book a flight from Belfast Intl to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Belfast Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to London Heathrow Airport

How far ahead should I book a flight from Belfast Intl Airport to London Heathrow Airport?

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

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

How often are flights from Belfast to London delayed?

What is the most punctual flight time for Belfast to London flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Belfast to London flights?

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with easyJet and British Airways from Belfast Intl Airport to London Heathrow Airport to help guide your decision. You can also see how each airline stacks up 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 Intl 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 Intl Airport to London Heathrow Airport round-trip?

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

How can I find direct flights from Belfast Intl to Heathrow?

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

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

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

Top 2 airlines flying from Belfast Intl to Heathrow

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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 Intl to Heathrow?

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

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

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

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Cheapest flights from Belfast Intl to Heathrow
Explore the most affordable flight options available from Belfast Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 January 2026.