What is the cheapest airline that flies from London Heathrow to Belgium?

Brussels Airlines, British Airways, and Vueling are the most popular carriers operating from London Heathrow to Belgium

How many flights depart from London Heathrow Airport to Belgium on average per week?

As of September 2025, 159 flights take off from London Heathrow Airport and land in Belgium each week. The most common flight departure day for this route is Mon, with 23% of weekly flights taking off on this day.

Which airlines fly to Belgium?

Brussels Airlines, British Airways and KLM are the top three most popular airlines that fly to Belgium from London Heathrow Airport according to our data. Brussels Airlines is the first choice among our users, with 57% of people opting to fly with this airline when travelling to Belgium. Keep in mind that there are 3 different airlines that fly to Belgium on a routine basis, so you have a few additional options to choose from.

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

The number of operators available for flights from London Heathrow Airport to Belgium is 3 as of September 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Belgium.

What documentation or ID do you need to fly to Belgium?

The travel and health documents you'll need for your trip to Belgium may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belgium. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Q: How many flights depart from London Heathrow Airport to Belgium on average per day?

The number of flights available between London Heathrow Airport and Belgium is 22 per day as of September 2025. The most frequent departure time is 07:00, with 68% of daily flights leaving at midday.

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Find the cheapest flights from London Heathrow Airport to Belgium

Round-trip

One-way

Last minute

Direct

Cheap return flights

06:50 - 08:55LHR-BRU

1h 05mdirect

21:10 - 21:20BRU-LHR

1h 10mdirect

£95Brussels Airlines

Find Deal

Sat, 29 Nov - Sun, 30 Nov

07:45 - 09:55LHR-BRU

1h 10mdirect

19:55 - 20:05BRU-LHR

1h 10mdirect

£96British Airways

Find Deal

Sat, 27 Sep - Sat, 4 Oct

14:25 - 16:40LHR-BRU

1h 15mdirect

17:30 - 17:45BRU-LHR

1h 15mdirect

£97British Airways

Find Deal

Mon, 27 Oct - Sun, 2 Nov

07:45 - 09:55LHR-BRU

1h 10mdirect

15:15 - 15:35BRU-LHR

1h 20mdirect

£98British Airways

Find Deal

Wed, 15 Oct - Wed, 22 Oct

07:45 - 09:55LHR-BRU

1h 10mdirect

10:40 - 10:55BRU-LHR

1h 15mdirect

£99British Airways

Find Deal

Fri, 10 Oct - Sun, 12 Oct

16:35 - 18:50LHR-BRU

1h 15mdirect

10:40 - 10:55BRU-LHR

1h 15mdirect

£100British Airways

Find Deal

Fri, 10 Oct - Sun, 12 Oct

07:10 - 09:25LHR-BRU

1h 15mdirect

19:25 - 19:40BRU-LHR

1h 15mdirect

£101British Airways

Find Deal

Thu, 25 Dec - Sat, 27 Dec

06:50 - 08:55LHR-BRU

1h 05mdirect

21:10 - 21:20BRU-LHR

1h 10mdirect

£102Brussels Airlines

Find Deal

Thu, 27 Nov - Sun, 30 Nov

06:50 - 08:50LHR-BRU

1h 00mdirect

21:20 - 21:35BRU-LHR

1h 15mdirect

£110Brussels Airlines

Find Deal

Tue, 30 Sep - Tue, 30 Sep

07:00 - 08:15LHR-BRU

24h 15m1 stop

16:55 - 17:05BRU-LHR

1h 10mdirect

£116

Find Deal

Sun, 7 Dec - Mon, 8 Dec

Brussels Airlines flights from London Heathrow Airport to Belgium

Our best Brussels Airlines deals on London Heathrow Airport to Belgium flight tickets

Brussels Airlines

29 Nov

LHR06:50London Heathrow

1h 05m

BRU08:55Brussels Bruxelles-National

30 Nov

BRU21:10Brussels Bruxelles-National

1h 10m

LHR21:20London Heathrow

£95

Find similar

Brussels Airlines

27 Nov

LHR06:50London Heathrow

1h 05m

BRU08:55Brussels Bruxelles-National

30 Nov

BRU21:10Brussels Bruxelles-National

1h 10m

LHR21:20London Heathrow

£102

Find similar

Brussels Airlines

20 Sept

LHR06:50London Heathrow

1h 00m

BRU08:50Brussels Bruxelles-National

20 Sept

BRU21:20Brussels Bruxelles-National

1h 15m

LHR21:35London Heathrow

£105

Find similar

British Airways flights from London Heathrow Airport to Belgium

Our best British Airways deals on London Heathrow Airport to Belgium flight tickets

British Airways

27 Sept

LHR07:45London Heathrow

1h 10m

BRU09:55Brussels Bruxelles-National

4 Oct

BRU19:55Brussels Bruxelles-National

1h 10m

LHR20:05London Heathrow

£96

Find similar

British Airways

27 Oct

LHR14:25London Heathrow

1h 15m

BRU16:40Brussels Bruxelles-National

2 Nov

BRU17:30Brussels Bruxelles-National

1h 15m

LHR17:45London Heathrow

£97

Find similar

British Airways

15 Oct

LHR07:45London Heathrow

1h 10m

BRU09:55Brussels Bruxelles-National

22 Oct

BRU15:15Brussels Bruxelles-National

1h 20m

LHR15:35London Heathrow

£98

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 29/11

06:50-08:55

Nonstop1h 05m

Brussels Bruxelles-National

Sun 30/11

21:10-21:20

Nonstop1h 10m

£95

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 27/9

07:45-09:55

Nonstop1h 10m

Brussels Bruxelles-National

Sat 4/10

19:55-20:05

Nonstop1h 10m

£96

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Mon 27/10

14:25-16:40

Nonstop1h 15m

Brussels Bruxelles-National

Sun 2/11

17:30-17:45

Nonstop1h 15m

£97

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Wed 15/10

07:45-09:55

Nonstop1h 10m

Brussels Bruxelles-National

Wed 22/10

15:15-15:35

Nonstop1h 20m

£98

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Fri 10/10

07:45-09:55

Nonstop1h 10m

Brussels Bruxelles-National

Sun 12/10

10:40-10:55

Nonstop1h 15m

£99

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Fri 10/10

16:35-18:50

Nonstop1h 15m

Brussels Bruxelles-National

Sun 12/10

10:40-10:55

Nonstop1h 15m

£100

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Thu 25/12

07:10-09:25

Nonstop1h 15m

Brussels Bruxelles-National

Sat 27/12

19:25-19:40

Nonstop1h 15m

£101

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Thu 27/11

06:50-08:55

Nonstop1h 05m

Brussels Bruxelles-National

Sun 30/11

21:10-21:20

Nonstop1h 10m

£102

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 30/9

06:50-08:50

Nonstop1h 00m

Brussels Bruxelles-National

Tue 30/9

21:20-21:35

Nonstop1h 15m

£110

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sun 7/12

07:00-08:15

1 stop24h 15m

Brussels Bruxelles-National

Mon 8/12

16:55-17:05

Nonstop1h 10m

£116

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Belgium

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

Airlines

Other information

What is the cheapest month to fly to Belgium?

The month of January is, on average, the cheapest month to fly to Belgium from London Heathrow Airport, with most prices found around £105. If you aren’t able to travel during the month of January, then book flights to Belgium from London Heathrow Airport during November instead. Flights to Belgium in November, while not as cheap as those in January, still average around £108.

What is the cheapest day to depart on your flight to Belgium?

The cheapest day to depart from London Heathrow Airport to Belgium is on a Friday when prices can be found for as low as £399. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Belgium on Sunday is £458.

What is the cheapest time of day to depart on your flight to Belgium?

Our most recent data shows that the best time of day to fly to Belgium is in the evening. Flights from London Heathrow Airport to Belgium during this time can be as low as £113. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £455 on average. Flights to Belgium from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London Heathrow to Belgium flight route?

Fly from London Heathrow to Brussels Bruxelles-National for the best London Heathrow - Belgium flight prices

How far in advance should I book a flight to Belgium?

You are more likely to see cheaper flights to Belgium from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around £119 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from London Heathrow Airport for as low as £99 on momondo.

What cabin class options are available on London Heathrow to Belgium flights?

There are 3 cabin classes available to choose from on London Heathrow to Belgium flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London Heathrow Airport to Belgium flight deals and tips

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

Best price found	£128
Fastest flight time	1h 00m
Direct flights	Every day
Airports in Belgium	1 airport

The best one-way flight to Belgium from London Heathrow Airport in the past 72 hours is £128. The best return flight deal from London Heathrow Airport to Belgium found on momondo in the last 72 hours is £194.

The fastest flight from London Heathrow Airport to Belgium takes 1h 00m

Direct flights go from London Heathrow Airport to Belgium every day.

There is 1 airport near Belgium: Brussels Bruxelles-National (BRU)

Search flight deals

When did momondo last update prices for flights from London Heathrow Airport to Belgium?
Prices for flights from London Heathrow Airport to Belgium refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Belgium?
The number of operators available for flights from London Heathrow Airport to Belgium is 3 as of September 2025.
How old do you have to be to fly from London Heathrow Airport to Belgium?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Belgium.
What documentation or ID do you need to fly to Belgium?
The travel and health documents you'll need for your trip to Belgium may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belgium. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Belgium?
Based on momondo bookings for flights between London Heathrow Airport and Belgium, the leading plane model is Airbus A320neo, making up 17.58% of the total bookings. Other popular models include Airbus A319 with 17.44%, Airbus A350-1000 with 12.50%, and Airbus A320-100/200 with 10.75%.

Best airlines flying from London Heathrow Airport to Belgium

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

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £84	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
Brussels Airlines	PriceFrom £96	Free Cancellation	Rating 7.2 359 reviews	Search Brussels Airlines flights
KLM	PriceFrom £140	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Belgium. momondo saves you time and could save you money on your trip.

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

Flights from London to Belgium with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Belgium from London.

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

If you are simply researching potential flights to Belgium, momondo offers a useful price alert feature which will track prices for flights to Belgium from London and alert you when they change.

An easier way to manage your Belgium 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.

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Find better results for your trip to Belgium

Popular Cities in Belgium

Flights to Brusselsfrom £38

Flights to Ostendfrom £266

Cheap flights from London Heathrow Airport to Belgium from £50

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Big names, great deals

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Filter for what you want

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Find the cheapest flights from London Heathrow Airport to Belgium

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Brussels Airlines flights from London Heathrow Airport to Belgium

Our best Brussels Airlines deals on London Heathrow Airport to Belgium flight tickets

British Airways flights from London Heathrow Airport to Belgium

Our best British Airways deals on London Heathrow Airport to Belgium flight tickets

momondo Fare Finder

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

See travel insights to Belgium from

How to get the cheapest flight ticket from London Heathrow Airport to Belgium

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 Belgium?

What is the cheapest day to depart on your flight to Belgium?

What is the cheapest time of day to depart on your flight to Belgium?

What is the cheapest London Heathrow to Belgium flight route?

Fly from London Heathrow to Brussels Bruxelles-National for the best London Heathrow - Belgium flight prices

How far in advance should I book a flight to Belgium?

What cabin class options are available on London Heathrow to Belgium flights?

There are 3 cabin classes available to choose from on London Heathrow to Belgium flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from London Heathrow to Belgium?

Brussels Airlines, British Airways, and Vueling are the most popular carriers operating from London Heathrow to Belgium

Which airlines fly to Belgium?

How many flights depart from London Heathrow Airport to Belgium on average per day?

The number of flights available between London Heathrow Airport and Belgium is 22 per day as of September 2025. The most frequent departure time is 07:00, with 68% of daily flights leaving at midday.

How many flights depart from London Heathrow Airport to Belgium on average per week?

As of September 2025, 159 flights take off from London Heathrow Airport and land in Belgium each week. The most common flight departure day for this route is Mon, with 23% of weekly flights taking off on this day.

Cheap London Heathrow Airport to Belgium flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Belgium

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

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

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

What documentation or ID do you need to fly to Belgium?

What is the most popular plane model from London Heathrow Airport to Belgium?

Best airlines flying from London Heathrow Airport to Belgium

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

Why use momondo?

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

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

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

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

An easier way to manage your Belgium 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 Belgium

Popular Cities in Belgium

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