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Cheap flights from London Heathrow Airport to Brussels 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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BRU
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Brussels are usually found in January or September, booked 78 days in advance, depart on a Friday or Monday and return on a Thursday

Cheap flight deals from Heathrow to Brussels

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 9 June 2026.

Wed 12/811:05
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Thu 5/1116:55
BRU
-
LHR
Nonstop1h 10m
Brussels Airlines
Deal found 7/6£102
Wed 5/811:05
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Wed 26/821:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 6/6£103
Thu 9/717:50
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Sun 12/716:55
BRU
-
LHR
Nonstop1h 10m
Brussels Airlines
Deal found 7/6£104
Sun 5/711:05
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Sun 12/716:55
BRU
-
LHR
Nonstop1h 10m
Brussels Airlines
Deal found 7/6£105
Sat 12/911:05
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Sun 20/921:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 9/6£106
Sat 4/706:50
LHR
-
BRU
Nonstop1h 05m
Brussels Airlines
Sat 4/721:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 9/6£106
Sun 6/906:50
LHR
-
BRU
Nonstop1h 05m
Brussels Airlines
Sun 13/921:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 5/6£108
Sun 2/817:50
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Wed 5/816:55
BRU
-
LHR
Nonstop1h 10m
Brussels Airlines
Deal found 8/6£109
Sun 19/711:05
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Wed 22/716:55
BRU
-
LHR
Nonstop1h 10m
Brussels Airlines
Deal found 6/6£109
Thu 2/717:50
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Thu 30/721:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 7/6£110
Sun 5/717:50
LHR
-
BRU
Nonstop1h 10m
Brussels Airlines
Mon 6/721:20
BRU
-
LHR
Nonstop1h 15m
Brussels Airlines
Deal found 8/6£111
Fri 12/620:50
LHR
-
CRL
1 stop10h 10m
Multiple Airlines
Mon 15/621:30
CRL
-
LHR
1 stop12h 40m
Multiple Airlines
Deal found 4/6£166

Find 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 9 June 2026.

Round-trip from

£102

One-way from

£51

Popular in

July

Cheapest in

January

Average price

£141
Brussels Airlines
  • Brussels Airlines
  • 12/8-5/11
  • Nonstop
  • 2h 20m total
  • London to Brussels
Search Deals
British Airways
  • British Airways
  • 30/11
  • Nonstop
  • 1h 15m total
  • London to Brussels
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 9 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sun 2/8

07:40-09:50

Nonstop1h 10m

Brussels Bruxelles-National

Wed 5/8

21:15-21:20

Nonstop1h 05m

£118

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Wed 8/7

08:30-13:40

1 stop4h 10m

Brussels Bruxelles-National

Sun 12/7

21:20-21:35

Nonstop1h 15m

£157

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Fri 28/8

06:30-11:50

1 stop4h 20m

Brussels Bruxelles-National

Fri 28/8

21:20-21:35

Nonstop1h 15m

£160

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 19/9

06:50-08:55

Nonstop1h 05m

Brussels Bruxelles-National

Sat 19/9

15:00-18:30

1 stop4h 30m

£160

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sun 2/8

07:40-09:50

Nonstop1h 10m

Brussels Bruxelles-National

Sun 23/8

10:40-10:55

Nonstop1h 15m

£160

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Fri 21/8

07:45-09:55

Nonstop1h 10m

Brussels Bruxelles-National

Sun 30/8

20:40-20:45

Nonstop1h 05m

£161

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 7/7

07:55-10:05

Nonstop1h 10m

Brussels Bruxelles-National

Mon 13/7

20:50-20:55

Nonstop1h 05m

£163

LondonBrussels

LHR - CRL

LHRCRL

London Heathrow

Tue 7/7

09:55-18:40

1 stop7h 45m

Charleroi Brussels

Tue 21/7

06:40-21:45

1 stop16h 05m

£187

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Thu 9/7

09:55-14:40

1 stop3h 45m

Brussels Bruxelles-National

Mon 13/7

15:10-19:25

1 stop5h 15m

£190

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 26/9

06:00-14:15

1 stop7h 15m

Brussels Bruxelles-National

Sat 26/9

20:40-08:15

1 stop12h 35m

£192

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 46 resultsSorted by cheapest first
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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

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

Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Brussels (average of £70). Flying from London Heathrow Airport to Brussels 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 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 9 June 2026.

It’s typically best to fly out from London Heathrow Airport to Brussels in the evening. Doing so could potentially save you 76% 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 9 June 2026.

The most flights from LHR to BR1 are scheduled on a Tuesday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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

How often are flights from London to Brussels delayed?

About 21% of weekly flights between London and Brussels have experienced delays in the past year, with the average delay time being 96 minutes.

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

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon 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 Brussels 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 Brussels?

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.

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 9 June 2026.
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
411 reviews
Check prices

Entertainment

6.2

Comfort

7.0

Food

6.3

Overall

7.2

Boarding

7.3

Crew

7.9

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
411 reviews
Brussels Airlines
7.2
Good
411 reviews
Check prices

Entertainment

6.2

Comfort

7.0

Food

6.3

Overall

7.2

Boarding

7.3

Crew

7.9

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
8,035 reviews
Brussels Airlines
7.2
Good
411 reviews
Check prices

Entertainment

6.2

Comfort

7.0

Food

6.3

Overall

7.2

Boarding

7.3

Crew

7.9

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 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 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 £91 on this airline. An additional option worth looking into is Brussels Airlines, starting at £97. Users have found that British Airways is 29% cheaper than the other options available to this destination.

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

    Consider British Airways (87%), American Airlines (86%) or Cathay Pacific (86%) 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 £596 for a flight from London Heathrow Airport to Brussels. The cheapest flight overall is £77 while the most popular route, (London Heathrow - Brussels Bruxelles-National) is currently priced at £94.

  • 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, December is the cheapest month in which you can book a flight from London Heathrow Airport to Brussels (average of £70). Flying from London Heathrow Airport to Brussels 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

Browse thousands of different options on Cheapflights for your next trip

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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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£91Average£116FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£97Average£133FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£134Average£186FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

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

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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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