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Cheap flights from London Heathrow Airport to Brussels from £49

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BRU
14 12月 — 21 12月1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Brussels are usually found in January or February, booked 76 days in advance, depart on a Friday or Thursday and return on a Friday

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Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Brussels
Explore the most affordable flight options available from Heathrow to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 11月 2025.

週五 21/1117:50LHR - BRU
Nonstop1h 10mBrussels Airlines
週六 22/1121:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 11/11£100
週六 15/1111:05LHR - BRU
Nonstop1h 10mBrussels Airlines
週日 16/1121:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 11/11£100
週三 10/1217:50LHR - BRU
Nonstop1h 10mBrussels Airlines
週六 13/1221:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 12/11£101
週二 9/1217:50LHR - BRU
Nonstop1h 10mBrussels Airlines
週五 12/1221:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 13/11£102
週三 3/1211:05LHR - BRU
Nonstop1h 10mBrussels Airlines
週五 5/1221:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 12/11£103
週六 29/1113:10LHR - BRU
Nonstop1h 15mBritish Airways
週六 6/1219:25BRU - LHR
Nonstop1h 15mBritish Airways
Deal found 12/11£103
週六 22/1111:05LHR - BRU
Nonstop1h 10mBrussels Airlines
週日 23/1116:55BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 12/11£104
週一 8/1206:50LHR - BRU
Nonstop1h 05mBrussels Airlines
週日 14/1221:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 12/11£105
週二 25/1117:50LHR - BRU
Nonstop1h 10mBrussels Airlines
週五 28/1121:10BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 13/11£106
週一 8/1211:05LHR - BRU
Nonstop1h 10mBrussels Airlines
週二 16/1216:55BRU - LHR
Nonstop1h 10mBrussels Airlines
Deal found 11/11£107
週六 29/1113:10LHR - BRU
Nonstop1h 15mBritish Airways
週五 5/1221:20BRU - LHR
Nonstop1h 20mBritish Airways
Deal found 12/11£108
週六 29/1109:55LHR - CRL
1 stop7h 25mMultiple Airlines
週六 6/1213:15CRL - LHR
1 stop7h 50mMultiple Airlines
Deal found 12/11£147

Cheap flight deals from Heathrow to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 11月 2025.

Round-trip from

£98

One-way from

£49

Popular in

July

Cheapest in

January

Average price

£118
Brussels Airlines
  • Brussels Airlines
  • 11/1-18/1
  • Nonstop
  • 2h 20m total
  • London to Brussels
Search Deals
Brussels Airlines
  • Brussels Airlines
  • 1/3
  • Nonstop
  • 1h 05m total
  • London to Brussels
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£5 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Brussels 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 14 11月 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Brussels that are best for you.

Fly from

Heathrow

Fly to

Brussels

Route

Depart

Return

Price

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

週二 24/3

11:05-13:15

Nonstop1h 10m

Brussels Bruxelles-National

週三 25/3

16:55-17:05

Nonstop1h 10m

£102

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

週三 28/1

08:35-10:50

Nonstop1h 15m

Brussels Bruxelles-National

週四 29/1

15:00-15:15

Nonstop1h 15m

£103

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

週三 10/12

17:50-20:00

Nonstop1h 10m

Brussels Bruxelles-National

週五 12/12

21:10-21:20

Nonstop1h 10m

£103

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

週六 29/11

13:10-15:25

Nonstop1h 15m

Brussels Bruxelles-National

週六 6/12

19:25-19:40

Nonstop1h 15m

£103

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

週二 17/2

08:55-11:10

Nonstop1h 15m

Brussels Bruxelles-National

週二 17/2

21:45-21:55

Nonstop1h 10m

£103

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

週日 5/4

07:40-09:50

Nonstop1h 10m

Brussels Bruxelles-National

週二 5/5

10:55-11:15

Nonstop1h 20m

£105

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

週六 29/11

13:10-15:25

Nonstop1h 15m

Brussels Bruxelles-National

週二 2/12

14:55-15:10

Nonstop1h 15m

£112

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

週六 6/12

15:05-17:20

Nonstop1h 15m

Brussels Bruxelles-National

週二 9/12

12:00-12:20

Nonstop1h 20m

£113

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

週四 4/12

17:50-20:00

Nonstop1h 10m

Brussels Bruxelles-National

週日 7/12

09:40-10:05

Nonstop1h 25m

£115

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

週六 29/11

13:10-15:25

Nonstop1h 15m

Brussels Bruxelles-National

週四 4/12

20:35-20:45

Nonstop1h 10m

£116

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 38 results
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Best time to book a flight from Heathrow to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels 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 Brussels

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Brussels. Price data was last updated on 7 November 2025.

The best time to book flights from London Heathrow Airport to Brussels 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.

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

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Brussels (average of £84). Flying from London Heathrow Airport to Brussels in December is currently the most expensive (average of £97). 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 BRU?

Find hourly flight availability from Heathrow to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 11月 2025.

It’s typically best to fly out from London Heathrow Airport to Brussels in the evening. Doing so could potentially save you 44% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from London Heathrow Airport to Brussels

Explore weekly flight availability from Heathrow to Brussels. 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 14 11月 2025.

The most flights from LHR to BR1 are scheduled on a Thursday (27 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).

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

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. 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 Brussels. Reviews last updated 14 11月 2025.
See what other customers who have flown with Brussels Airlines and British Airways from London Heathrow Airport to Brussels have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Brussels Airlines
7.2
Good
369 reviews
Check prices

Boarding

7.3

Comfort

6.9

Food

6.2

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine
Brussels Airlines
7.2
Good
369 reviews
Brussels Airlines
7.2
Good
369 reviews
Check prices

Boarding

7.3

Comfort

6.9

Food

6.2

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine
British Airways
6.7
Okay
7,517 reviews
Brussels Airlines
7.2
Good
369 reviews
Check prices

Boarding

7.3

Comfort

6.9

Food

6.2

Overall

7.2

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Oct 2025

GVA - BRU

The flight delays in Brussels were so bad they rebooked me to Austrian Air, which was fine

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Brussels. 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 Brussels?

    Airlines like Brussels Airlines and British Airways fly from London Heathrow Airport to Brussels in about 1h 10m. The time it takes to get you to your destination is usually consistent. The distance from London Heathrow Airport to Brussels is about 217 mi. Generally, flights for this route are direct.

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

    Our cheapest airline available from London Heathrow Airport to Brussels is British Airways. Our recent data shows that you can find tickets from as low as £87 on this airline. An additional option worth looking into is Brussels Airlines, starting at £99. Users have found that British Airways is 28% cheaper than the other options available to this destination.

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

    Consider LATAM Airlines (100%), JetBlue (83%) or British Airways (75%) when booking your flight. These represent the most reliable airlines when flying from London Heathrow Airport to Brussels.

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

    On average you can expect to pay £846 for a flight from London Heathrow Airport to Brussels. The cheapest flight overall is £51 while the most popular route, (London Heathrow - Brussels Bruxelles-National) is currently priced at £81.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Brussels 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 Brussels?

    Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Brussels (average of £84). Flying from London Heathrow Airport to Brussels in December is currently the most expensive (average of £97). 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

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.

Top 3 airlines flying from Heathrow to Brussels

Discover the top 3 airlines that operate flights from Heathrow to Brussels. 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 14 11月 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£87Average£112FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£99Average£131FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£145Average£175FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Brussels?

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 Brussels from Heathrow today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Brussels for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Brussels from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Heathrow to Brussels flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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