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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

How often are flights from Belfast to London delayed?

Historically, on average around 100% of flights between Belfast and London have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

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

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

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

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 100% of their flights experiencing any sort of delay.

How many operators does momondo search for flights from Belfast Intl Airport to London Heathrow Airport?

There are 2 operators available for flights from Belfast Intl Airport to London Heathrow Airport as of October 2025.

How old do you have to be to fly from Belfast Intl Airport to London Heathrow Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£50 Cheap Flights from Belfast Intl Airport to London Heathrow Airport in 2025/26

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21:05 - 09:10BFS-LHR

12h 05m1 stop

21:05 - 08:00LHR-BFS

10h 55m1 stop

£188Multiple Airlines

Find Deal

Sat, 6 Dec - Sun, 7 Dec

17:30 - 07:55BFS-LHR

14h 25m1 stop

19:20 - 08:10LHR-BFS

12h 50m1 stop

£272Multiple Airlines

Find Deal

Wed, 17 Dec - Sun, 28 Dec

14:20 - 21:25BFS-LHR

7h 05m1 stop

14:45 - 21:40LHR-BFS

6h 55m1 stop

£279Multiple Airlines

Find Deal

Fri, 14 Nov - Tue, 18 Nov

17:30 - 08:00BFS-LHR

14h 30m1 stop

06:30 - 19:55LHR-BFS

13h 25m2 stops

£320Multiple Airlines

Find Deal

Wed, 17 Dec - Sun, 28 Dec

07:30 - 13:40BFS-LHR

6h 10m1 stop

12:10 - 19:00LHR-BFS

6h 50m2 stops

£334Multiple Airlines

Find Deal

Fri, 9 Jan - Mon, 12 Jan

07:30 - 13:40BFS-LHR

6h 10m1 stop

14:25 - 22:20LHR-BFS

7h 55m1 stop

£338Multiple Airlines

Find Deal

Fri, 16 Jan - Sun, 18 Jan

09:55 - 16:05BFS-LHR

6h 10m1 stop

14:05 - 18:30LHR-BFS

4h 25m1 stop

£342Multiple Airlines

Find Deal

Fri, 13 Mar - Sun, 15 Mar

10:10 - 16:40BFS-LHR

6h 30m1 stop

13:55 - 22:00LHR-BFS

8h 05m2 stops

£345Multiple Airlines

Find Deal

Thu, 18 Dec - Fri, 26 Dec

09:55 - 16:35BFS-LHR

6h 40m1 stop

14:45 - 21:40LHR-BFS

6h 55m1 stop

£351Multiple Airlines

Find Deal

Thu, 13 Nov - Tue, 18 Nov

07:00 - 14:25BFS-LHR

7h 25m2 stops

08:40 - 13:40LHR-BFS

5h 00m1 stop

£351Multiple Airlines

Find Deal

Thu, 27 Nov - Mon, 1 Dec

momondo 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

Sat 6/12

21:05-09:10

1 stop12h 05m

London Heathrow

Sun 7/12

21:05-08:00

1 stop10h 55m

£188

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Wed 17/12

17:30-07:55

1 stop14h 25m

London Heathrow

Sun 28/12

19:20-08:10

1 stop12h 50m

£272

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Fri 14/11

14:20-21:25

1 stop7h 05m

London Heathrow

Tue 18/11

14:45-21:40

1 stop6h 55m

£279

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Wed 17/12

17:30-08:00

1 stop14h 30m

London Heathrow

Sun 28/12

06:30-19:55

2 stops13h 25m

£320

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Fri 9/1

07:30-13:40

1 stop6h 10m

London Heathrow

Mon 12/1

12:10-19:00

2 stops6h 50m

£334

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Fri 16/1

07:30-13:40

1 stop6h 10m

London Heathrow

Sun 18/1

14:25-22:20

1 stop7h 55m

£338

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Fri 13/3

09:55-16:05

1 stop6h 10m

London Heathrow

Sun 15/3

14:05-18:30

1 stop4h 25m

£342

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Thu 18/12

10:10-16:40

1 stop6h 30m

London Heathrow

Fri 26/12

13:55-22:00

2 stops8h 05m

£345

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Thu 13/11

09:55-16:35

1 stop6h 40m

London Heathrow

Tue 18/11

14:45-21:40

1 stop6h 55m

£351

BelfastLondon

BFS - LHR

BFSLHR

Belfast Intl

Thu 27/11

07:00-14:25

2 stops7h 25m

London Heathrow

Mon 1/12

08:40-13:40

1 stop5h 00m

£351

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How to get the cheapest flight ticket from Belfast Intl Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Delays

What is the cheapest month to fly to London Heathrow Airport?

In general, January is the cheapest month to fly from Belfast Intl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £97. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Belfast Intl Airport averaging around £112.

What is the cheapest day to depart on your flight to London Heathrow Airport?

On average, the least expensive day to fly to London Heathrow Airport from Belfast Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as £101. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Saturday is £124.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Belfast Intl Airport to London Heathrow Airport in the evening for as low as £174. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £715 on average. Flights to London Heathrow Airport from Belfast Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Belfast Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £124 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Belfast Intl Airport for as low as £94 on momondo.

How have Belfast Intl Airport to London Heathrow Airport flight prices changed over time?

As of October 2025, prices for Belfast Intl Airport to London Heathrow Airport flights are approximately 119% more expensive when compared to flights at the same time last year.

When to book flights from Belfast Intl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Belfast Intl Airport to London Heathrow Airport (BFS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to London Heathrow Airport

Direct flights	None

There are no direct flights from Belfast Intl Airport to London Heathrow Airport. There are no popular flight routes from Belfast Intl Airport to London Heathrow Airport.

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How far is Belfast Intl to London Heathrow by plane?
Belfast Intl and London Heathrow are 324.6 mi apart from one another. A reasonable flight in good conditions will take 4h 30m.
When did momondo last update prices for flights from Belfast Intl Airport to London Heathrow Airport?
Prices for flights from Belfast Intl Airport to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Belfast Intl Airport to London Heathrow Airport?
There are 2 operators available for flights from Belfast Intl Airport to London Heathrow Airport as of October 2025.
How old do you have to be to fly from Belfast Intl Airport to London Heathrow Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Belfast Intl Airport to London Heathrow Airport?
Based on momondo bookings for flights between Belfast Intl Airport and London Heathrow Airport, the leading airline is British Airways, making up 97% of the total bookings. Other popular airlines include easyJet with 3%.

Best airlines flying from Belfast Intl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Belfast Intl Airport to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
easyJet	PriceFrom £31	Free Cancellation	Rating 6.9 1,840 reviews		Search easyJet flights
British Airways	PriceFrom £78	Free Cancellation	Rating 6.7 7,488 reviews		Search British Airways flights

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Northampton

Swindon

Canterbury

Stratford-upon-Avon

Southend-on-Sea

Ipswich

Ilford

Poole

Guildford

Swanage

Colchester

Dover

Hayes

Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Belfast to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Belfast which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Belfast to London?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Belfast.

I’m not ready to book a flight from Belfast to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Belfast to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your London Heathrow Airport trip

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Cheap flights from Belfast Intl Airport to London from £72

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to London departing on 23/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Belfast Intl Airport to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

How far in advance should I book a flight to London Heathrow Airport?

How have Belfast Intl Airport to London Heathrow Airport flight prices changed over time?

As of October 2025, prices for Belfast Intl Airport to London Heathrow Airport flights are approximately 119% more expensive when compared to flights at the same time last year.

How often are flights from Belfast to London delayed?

Historically, on average around 100% of flights between Belfast and London have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

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

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

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

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 100% of their flights experiencing any sort of delay.

When to book flights from Belfast Intl Airport to London Heathrow Airport

Cheap Belfast Intl Airport to London Heathrow Airport (BFS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to London Heathrow Airport

Direct flights

How far is Belfast Intl to London Heathrow by plane?

When did momondo last update prices for flights from Belfast Intl Airport to London Heathrow Airport?

How many operators does momondo search for flights from Belfast Intl Airport to London Heathrow Airport?

How old do you have to be to fly from Belfast Intl Airport to London Heathrow Airport?

What documentation or ID do you need to fly to London Heathrow Airport?

What is the most popular airline from Belfast Intl Airport to London Heathrow Airport?

Best airlines flying from Belfast Intl Airport to London Heathrow Airport

Compare and see reviews for airlines that fly from Belfast Intl Airport to London Heathrow Airport with momondo

Travelling to a place near London?

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to London?

Can I find flights from Belfast to London with flexible booking policies on momondo?

How can momondo help me find flights from Belfast to London?

I’m not ready to book a flight from Belfast to London right now. Can momondo alert me if prices change?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo