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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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — BRU
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Brussels are usually found in January or February, booked 63 days in advance, depart on a Friday or Thursday and return on a Saturday

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 13 June 2025.

Round-trip from

£96

One-way from

£54

Popular in

July

Cheapest in

January

Average price

£132
British Airways
  • British Airways
  • 12/7-26/7
  • Nonstop
  • 2h 20m total
  • London to Brussels
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British Airways
  • British Airways
  • 10/9
  • Nonstop
  • 1h 15m total
  • London to Brussels
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£10 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£2 potential savings vs. average return price).
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Average for round-trip flights in June 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 13 June 2025.

Sat 12/707:45LHR - BRU
Nonstop1h 10mBritish Airways
Sat 26/722:05BRU - LHR
Nonstop1h 10mBritish Airways
Deal found 11/6£96
Thu 28/807:45LHR - BRU
Nonstop1h 00mBrussels Airlines
Mon 1/920:40BRU - LHR
Nonstop1h 15mBrussels Airlines
Deal found 11/6£111
Fri 4/711:55LHR - BRU
Nonstop1h 15mMultiple Airlines
Sat 12/720:40BRU - LHR
Nonstop1h 15mMultiple Airlines
Deal found 10/6£120
Fri 19/906:40LHR - BRU
1 stop11h 30mScandinavian Airlines
Sun 21/911:55BRU - LHR
1 stop5h 30mScandinavian Airlines
Deal found 12/6£160
Tue 29/706:45LHR - CRL
1 stop8h 20mMultiple Airlines
Tue 5/807:35CRL - LHR
1 stop5h 25mMultiple Airlines
Deal found 10/6£170
Fri 5/1212:05LHR - BRU
1 stop5h 45mSWISS
Sun 7/1215:25BRU - LHR
1 stop17h 40mSWISS
Deal found 10/6£171
Thu 18/917:10LHR - BRU
1 stop4h 05mKLM
Sat 20/915:05BRU - LHR
1 stop3h 45mKLM
Deal found 11/6£180
Sat 12/708:30LHR - BRU
1 stop4h 10mLufthansa
Sat 26/717:30BRU - LHR
1 stop4h 10mLufthansa
Deal found 12/6£185

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 13 June 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

Sat 12/7

07:45-09:55

Nonstop1h 10m

Brussels Bruxelles-National

Sat 26/7

22:05-22:15

Nonstop1h 10m

£96

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Thu 28/8

07:45-09:45

Nonstop1h 00m

Brussels Bruxelles-National

Mon 1/9

20:40-20:55

Nonstop1h 15m

£111

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 29/7

17:50-20:00

Nonstop1h 10m

Brussels Bruxelles-National

Mon 11/8

14:25-17:40

1 stop4h 15m

£130

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Fri 5/12

06:40-18:40

1 stop11h 00m

Brussels Bruxelles-National

Sun 7/12

19:45-08:55

1 stop14h 10m

£163

LondonBrussels

LHR - CRL

LHRCRL

London Heathrow

Tue 29/7

06:45-16:05

1 stop8h 20m

Charleroi Brussels

Tue 5/8

07:35-12:00

1 stop5h 25m

£170

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sun 2/11

20:05-13:35

1 stop16h 30m

Brussels Bruxelles-National

Wed 5/11

15:20-08:05

1 stop17h 45m

£171

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Thu 10/7

09:55-14:35

1 stop3h 40m

Brussels Bruxelles-National

Thu 31/7

15:05-17:35

1 stop3h 30m

£177

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 12/7

20:50-09:05

1 stop11h 15m

Brussels Bruxelles-National

Mon 14/7

22:15-09:10

1 stop11h 55m

£178

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 12/7

08:30-13:40

1 stop4h 10m

Brussels Bruxelles-National

Sat 26/7

17:30-20:40

1 stop4h 10m

£183

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Wed 10/9

18:10-20:25

Nonstop1h 15m

£54

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 21 results
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2
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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 9 June 2025.

The best time to book flights from London Heathrow Airport to Brussels is 63 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 13 June 2025.

It’s typically best to fly out from London Heathrow Airport to Brussels at midday. Doing so could potentially save you 77% 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 Saturday 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 13 June 2025.

The most flights from LHR to BR1 are scheduled on a Wednesday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brussels ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. August is typically the driest time to visit Brussels when rainfall is around 40.0 mm.

Temperature in Brussels by month

Plan your trip to Brussels by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 3.0 C).

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 13 June 2025.
Read through reviews of airlines operating flights from London to Brussels, such as Aegean Airlines, KLM and SWISS. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.2
Very Good
759 reviews
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
KLM
7.8
Good
1,358 reviews
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,624 reviews
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Brussels Airlines
7.4
Good
355 reviews
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Scandinavian Airlines
7.3
Good
1,387 reviews
Aegean Airlines
8.2
Very Good
759 reviews
Check prices

Food

7.4

Boarding

7.8

Comfort

7.9

Overall

8.2

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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 £96 on this airline. Additional options worth looking into are Brussels Airlines and Scandinavian Airlines, starting at £111 and £160 round-trip. Users have found that British Airways is 21% 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. Brussels Airlines flights start at £64 while deals on Vueling start at £80 one-way.

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

    Consider Malaysia Airlines (86%), JetBlue (86%) or Japan Airlines (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 £708 for a flight from London Heathrow Airport to Brussels. The cheapest flight overall is £54 while the most popular route, (London Heathrow - Charleroi Brussels) is currently priced at £185.

  • 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£83Average£111FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£97Average£129FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£140Average£165FlexibilityNo 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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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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