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Cheap flights from London Heathrow Airport to Brussels from £54

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BRU
23 Jul — 30 Jul1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Brussels are usually found in January or February, booked 84 days in advance, depart on a Friday or Thursday and return on a Friday

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 18 July 2025.

Round-trip from

£95

One-way from

£54

Popular in

July

Cheapest in

January

Average price

£145
British Airways
  • British Airways
  • 3/8-18/8
  • Nonstop
  • 2h 20m total
  • London to Brussels
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British Airways
  • British Airways
  • 3/8
  • Nonstop
  • 1h 10m 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).
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Cheapest flight prices on average. 1% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Heathrow to Brussels

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 18 July 2025.

Sun 3/807:40LHR - BRU
Nonstop1h 10mBritish Airways
Mon 18/819:05BRU - LHR
Nonstop1h 10mBritish Airways
Deal found 18/7£95
Sat 11/1006:50LHR - BRU
Nonstop1h 00mBrussels Airlines
Mon 20/1021:20BRU - LHR
Nonstop1h 15mBrussels Airlines
Deal found 16/7£97
Sun 3/807:40LHR - BRU
Nonstop1h 10mMultiple Airlines
Mon 18/821:20BRU - LHR
Nonstop1h 15mMultiple Airlines
Deal found 16/7£121
Wed 15/1006:30LHR - CRL
1 stop6h 50mMultiple Airlines
Wed 29/1008:55CRL - LHR
1 stop9h 25mMultiple Airlines
Deal found 16/7£181

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 18 July 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

Sun 3/8

07:40-09:50

Nonstop1h 10m

Brussels Bruxelles-National

Mon 18/8

19:05-19:15

Nonstop1h 10m

£95

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 11/10

06:50-08:50

Nonstop1h 00m

Brussels Bruxelles-National

Mon 20/10

21:20-21:35

Nonstop1h 15m

£97

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sun 3/8

07:40-09:50

Nonstop1h 10m

Brussels Bruxelles-National

Mon 18/8

21:20-21:35

Nonstop1h 15m

£121

LondonBrussels

LHR - CRL

LHRCRL

London Heathrow

Wed 15/10

06:30-14:20

1 stop6h 50m

Charleroi Brussels

Wed 29/10

08:55-17:20

1 stop9h 25m

£181

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sun 3/8

07:40-09:50

Nonstop1h 10m

£54

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sun 14/12

18:50-16:30

1 stop20h 40m

£66

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 12/8

07:45-09:45

Nonstop1h 00m

£71

LondonBrussels

LHR - CRL

LHRCRL

London Heathrow

Tue 14/10

20:50-15:55

1 stop18h 05m

£79

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Wed 1/10

07:00-22:30

1 stop14h 30m

£80

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Fri 24/10

07:05-18:20

1 stop10h 15m

£88

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 11 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 11 July 2025.

The best time to book flights from London Heathrow Airport to Brussels is 84 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Brussels (average of £117). Flying from London Heathrow Airport to Brussels in July is currently the most expensive (average of £172). 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 18 July 2025.

It’s typically best to fly out from London Heathrow Airport to Brussels at midday. Doing so could potentially save you 76% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from London Heathrow Airport to Brussels?

Use this chart to determine the cheapest time to fly return from Heathrow to Brussels. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Brussels flight should consider departing on Wednesday at midday when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 18 July 2025.

The most flights from LHR to BR1 are scheduled on a Thursday (28 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (10 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 18 July 2025.
See what other customers who have flown with SWISS, Scandinavian Airlines, andBrussels Airlines 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.
SWISS
7.5
Good
1,661 reviews
Check prices

Food

7.1

Boarding

7.6

Crew

8.2

Entertainment

6.8

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,661 reviews
SWISS
7.5
Good
1,661 reviews
Check prices

Food

7.1

Boarding

7.6

Crew

8.2

Entertainment

6.8

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Scandinavian Airlines
7.3
Good
1,426 reviews
SWISS
7.5
Good
1,661 reviews
Check prices

Food

7.1

Boarding

7.6

Crew

8.2

Entertainment

6.8

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Brussels Airlines
7.3
Good
349 reviews
SWISS
7.5
Good
1,661 reviews
Check prices

Food

7.1

Boarding

7.6

Crew

8.2

Entertainment

6.8

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Vueling
7.1
Good
1,172 reviews
SWISS
7.5
Good
1,661 reviews
Check prices

Food

7.1

Boarding

7.6

Crew

8.2

Entertainment

6.8

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
British Airways
6.6
Okay
7,151 reviews
SWISS
7.5
Good
1,661 reviews
Check prices

Food

7.1

Boarding

7.6

Crew

8.2

Entertainment

6.8

Overall

7.5

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

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.

  • 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 £95 on this airline. An additional option worth looking into is Brussels Airlines, starting at £97. Users have found that British Airways is 22% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Brussels one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at £54. Vueling flights start at £66 while deals on Brussels Airlines start at £71 one-way.

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

    Consider American Airlines (82%), Malaysia Airlines (81%) or Japan Airlines (79%) 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 £871 for a flight from London Heathrow Airport to Brussels. The cheapest flight overall is £70 while the most popular route, (London Heathrow - Brussels Bruxelles-National) is currently priced at £84.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Brussels (average of £117). Flying from London Heathrow Airport to Brussels in July is currently the most expensive (average of £172). 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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£84Average£112FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£99Average£130FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£142Average£171FlexibilityNo 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?

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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