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Cheap flights from London Heathrow Airport to Belgium from £51

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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BRU
3 Aug — 10 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Belgium

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Belgium
Explore the most affordable flight options available from Heathrow to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2026.

Tue 28/711:05
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Thu 30/709:55
BRU
-
LHR
Nonstop1h 20m
Brussels Airlines
Deal found 2/7£102
Thu 1/1017:50
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Mon 5/1021:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 30/6£103
Mon 27/711:05
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Thu 30/709:55
BRU
-
LHR
Nonstop1h 20m
Brussels Airlines
Deal found 30/6£103
Thu 10/911:05
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Wed 16/916:55
BRU
-
LHR
Nonstop1h 10m
Brussels Airlines
Deal found 30/6£104
Tue 22/1217:50
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Fri 1/121:10
BRU
-
LHR
Nonstop1h 10m
Brussels Airlines
Deal found 4/7£105
Tue 4/817:50
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Sat 8/821:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 30/6£106
Tue 4/811:05
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Tue 4/821:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 3/7£108
Tue 4/817:50
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Thu 6/816:55
BRU
-
LHR
Nonstop1h 10m
Brussels Airlines
Deal found 29/6£109
Thu 3/917:50
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Wed 9/921:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 29/6£109
Thu 20/807:45
LHR
-
BRU
Nonstop1h 10m
British Airways
Mon 24/820:50
BRU
-
LHR
Nonstop1h 05m
British Airways
Deal found 2/7£110
Fri 20/1106:35
LHR
-
BRU
Nonstop1h 15m
British Airways
Sat 21/1118:10
BRU
-
LHR
Nonstop1h 10m
British Airways
Deal found 1/7£111
Sun 6/907:40
LHR
-
BRU
Nonstop1h 10m
British Airways
Wed 16/921:15
BRU
-
LHR
Nonstop1h 05m
British Airways
Deal found 30/6£112

Find flight deals from Heathrow to Belgium

Keep the following information in mind while searching for Heathrow to Belgium flight deals. Data was last updated 4 July 2026.

Round-trip from

£102

One-way from

£51

Popular in

May

Cheapest in

November

Average price

£157

Good round-trip deal

£187 or less

Good one-way deal

£89 or less
Brussels Airlines
  • Brussels Airlines
  • 28/7-30/7
  • Nonstop
  • 2h 30m total
  • London to Belgium
Search Deals
British Airways
  • British Airways
  • 4/9
  • Nonstop
  • 1h 10m total
  • London to Belgium
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Belgium.
Search Deals
Price to beat on a one-way flight from London Heathrow to Belgium.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Belgium that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 July 2026.
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

Cheapest return flight

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Wed 2/9

17:50-20:00

Nonstop1h 10m

Brussels Bruxelles-National

Tue 8/9

21:20-21:35

Nonstop1h 15m

£103

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sun 27/9

06:50-08:55

Nonstop1h 05m

Brussels Bruxelles-National

Tue 29/9

16:55-17:05

Nonstop1h 10m

£104

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 3/10

06:50-08:55

Nonstop1h 05m

Brussels Bruxelles-National

Mon 12/10

21:20-21:35

Nonstop1h 15m

£104

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 18/8

17:50-20:00

Nonstop1h 10m

Brussels Bruxelles-National

Fri 21/8

16:55-17:05

Nonstop1h 10m

£104

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Wed 22/7

17:50-20:00

Nonstop1h 10m

Brussels Bruxelles-National

Sat 25/7

09:55-10:15

Nonstop1h 20m

£118
Fastest return journey

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Mon 5/10

07:45-09:55

Nonstop1h 10m

Brussels Bruxelles-National

Mon 12/10

20:50-20:55

Nonstop1h 05m

£124

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 29/9

12:10-14:25

Nonstop1h 15m

Brussels Bruxelles-National

Wed 30/9

11:00-11:20

Nonstop1h 20m

£124

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Thu 24/12

07:10-09:25

Nonstop1h 15m

Brussels Bruxelles-National

Thu 31/12

20:35-20:45

Nonstop1h 10m

£124

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Thu 24/12

11:05-13:15

Nonstop1h 10m

Brussels Bruxelles-National

Sun 3/1

21:10-21:20

Nonstop1h 10m

£134

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Wed 15/7

17:50-20:00

Nonstop1h 10m

Brussels Bruxelles-National

Thu 16/7

09:55-10:15

Nonstop1h 20m

£152

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Heathrow to Belgium

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

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

Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to Belgium (average of £55). Flying from London Heathrow Airport to Belgium in February is currently the most expensive (average of £90). 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 LHR to BE?

Find hourly flight availability from Heathrow to Belgium. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2026.

It’s optimal to fly from London Heathrow Airport to Belgium in the evening. By choosing this option you can save up to 76% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from London Heathrow Airport to Belgium

Explore weekly flight availability from Heathrow to Belgium. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 July 2026.

The most flights from LHR to BE0 are scheduled on a Friday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

How often are flights from London to Belgium delayed?

About 21% of weekly flights between London and Belgium have experienced delays in the past year, with the average delay time being 97 minutes.

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

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

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

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

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

Over the past year, British Airways have had the lowest number of delays on this route, with just 16% of flights being delayed.

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

The best time to book flights from London Heathrow Airport to Belgium is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Belgium

Get insights into the airlines that provide service to Belgium. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belgium. Reviews last updated 4 July 2026.
Get a feel of what it's like to fly with Brussels Airlines and British Airways from London Heathrow Airport to Belgium by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Brussels Airlines
7.2
Good
420 reviews
Check prices

Food

6.3

Comfort

7.0

Entertainment

6.1

Overall

7.2

Crew

7.9

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
Brussels Airlines
7.2
Good
420 reviews
Brussels Airlines
7.2
Good
420 reviews
Check prices

Food

6.3

Comfort

7.0

Entertainment

6.1

Overall

7.2

Crew

7.9

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.
British Airways
6.7
Okay
8,095 reviews
Brussels Airlines
7.2
Good
420 reviews
Check prices

Food

6.3

Comfort

7.0

Entertainment

6.1

Overall

7.2

Crew

7.9

Boarding

7.3

Reviews

1 / 20
8.0
Excellent

Nyaga,Mar 2026

BRU - NBO

Airbus A330 was quite empty, so had all the seats to myself. Very comfortable. Flight left on time. Not a fan of pizza as it is processed carbs heavy but the rest of the food was good. Movies were good. I enjoyed Better Man - a movie on Robbie William's life.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Belgium. 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 London Heathrow Airport to Belgium?

    A quick flight from London Heathrow Airport to Belgium can take about 1h 10m. Brussels Airlines provides one of the quickest options available for as low as £103. Airlines will cover a distance of 217 mi. All flights are typically direct.

  • What are the most popular routes from London Heathrow Airport to Belgium?

    When deciding which route to take from London Heathrow Airport to Belgium consider London Heathrow - Brussels Bruxelles-National, London Heathrow - Charleroi Brussels or London Heathrow - Ostende-Bruges as they are the most popular.

  • What are the most reliable airlines from London Heathrow Airport to Belgium?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Belgium on time: British Airways (76%), Qatar Airways (75%), American Airlines (74%).

  • What are the cheapest flights from London Heathrow Airport to Belgium?

    Looking for the cheapest flight from London Heathrow Airport to Belgium? While on average our users pay £1,060, our data indicates the cheapest price to be £58. The most popular route (London Heathrow - Brussels Bruxelles-National), is priced around £97.

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

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

  • How can I find direct flights from Heathrow to Belgium?

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Belgium 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 London Heathrow Airport to Belgium?

    Currently, June is the cheapest month in which you can book a flight from London Heathrow Airport to Belgium (average of £55). Flying from London Heathrow Airport to Belgium in February is currently the most expensive (average of £90). 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

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Top 2 airlines flying from Heathrow to Belgium

Discover the top 2 airlines that operate flights from Heathrow to Belgium. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 4 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£91Average£116FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£96Average£133FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

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 Heathrow to Belgium?

Deals for Heathrow to Belgium flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Belgium from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Heathrow to Belgium 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 Heathrow to Belgium become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to Belgium on Cheapflights with our Price Alert feature and get notified when better prices are available.

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