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Cheap flights from London Heathrow Airport to Brussels from €61

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Brussels departing on 29/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from London Heathrow Airport to Brussels

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
08:55 - 11:10LHR-BRU
1h 15mdirect
British Airways Logo
17:30 - 17:45BRU-LHR
1h 15mdirect
€115British Airways
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Tue, 17 Feb - Thu, 19 Feb
British Airways Logo
07:10 - 09:25LHR-BRU
1h 15mdirect
British Airways Logo
17:30 - 17:45BRU-LHR
1h 15mdirect
€116British Airways
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Thu, 19 Mar - Thu, 19 Mar
British Airways Logo
17:30 - 19:45LHR-BRU
1h 15mdirect
British Airways Logo
17:30 - 17:45BRU-LHR
1h 15mdirect
€117British Airways
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Wed, 17 Dec - Thu, 18 Dec
British Airways Logo
13:10 - 15:25LHR-BRU
1h 15mdirect
British Airways Logo
21:45 - 21:55BRU-LHR
1h 10mdirect
€118British Airways
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Sat, 29 Nov - Tue, 2 Dec
Brussels Airlines Logo
17:50 - 20:00LHR-BRU
1h 10mdirect
Brussels Airlines Logo
21:10 - 21:20BRU-LHR
1h 10mdirect
€127Brussels Airlines
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Fri, 5 Dec - Mon, 8 Dec
Brussels Airlines Logo
11:05 - 13:15LHR-BRU
1h 10mdirect
Brussels Airlines Logo
21:10 - 21:20BRU-LHR
1h 10mdirect
€149Brussels Airlines
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Tue, 11 Nov - Wed, 12 Nov
Scandinavian Airlines Logo
09:55 - 18:40LHR-BRU
7h 45m1 stop
Scandinavian Airlines Logo
11:30 - 16:25BRU-LHR
5h 55m1 stop
€190Scandinavian Airlines
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Wed, 17 Dec - Thu, 18 Dec
Scandinavian Airlines Logo
17:30 - 10:50LHR-BRU
16h 20m1 stop
Scandinavian Airlines Logo
15:10 - 18:30BRU-LHR
4h 20m1 stop
€200Scandinavian Airlines
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Tue, 17 Feb - Thu, 19 Feb
KLM Logo
17:50 - 22:20LHR-BRU
3h 30m1 stop
KLM Logo
08:05 - 10:45BRU-LHR
3h 40m1 stop
€212KLM
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Fri, 6 Mar - Fri, 13 Mar
KLM Logo
17:50 - 22:20LHR-BRU
3h 30m1 stop
KLM Logo
14:45 - 17:00BRU-LHR
3h 15m1 stop
€212KLM
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Fri, 14 Nov - Sun, 16 Nov

KLM flights from London Heathrow Airport to Brussels

Our best KLM deals on London Heathrow Airport to Brussels flight tickets
KLM
6 Mar
LHR17:50London Heathrow
3h 30m
1 stop
BRU22:20Brussels Bruxelles-National
14 Mar
BRU08:05Brussels Bruxelles-National
3h 20m
1 stop
LHR10:25London Heathrow
€212
Find similar
KLM
14 Nov
LHR17:50London Heathrow
3h 30m
1 stop
BRU22:20Brussels Bruxelles-National
16 Nov
BRU14:45Brussels Bruxelles-National
3h 15m
1 stop
LHR17:00London Heathrow
€212
Find similar
KLM
18 Oct
LHR17:10London Heathrow
4h 05m
1 stop
BRU22:15Brussels Bruxelles-National
20 Oct
BRU06:10Brussels Bruxelles-National
3h 50m
1 stop
LHR09:00London Heathrow
€377
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British Airways flights from London Heathrow Airport to Brussels

Our best British Airways deals on London Heathrow Airport to Brussels flight tickets
British Airways
17 Feb
LHR08:55London Heathrow
1h 15m
BRU11:10Brussels Bruxelles-National
19 Feb
BRU20:35Brussels Bruxelles-National
1h 10m
LHR20:45London Heathrow
€115
Find similar
British Airways
19 Mar
LHR07:10London Heathrow
1h 15m
BRU09:25Brussels Bruxelles-National
19 Mar
BRU17:30Brussels Bruxelles-National
1h 15m
LHR17:45London Heathrow
€116
Find similar
British Airways
17 Dec
LHR17:30London Heathrow
1h 15m
BRU19:45Brussels Bruxelles-National
18 Dec
BRU17:30Brussels Bruxelles-National
1h 15m
LHR17:45London Heathrow
€117
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 13,528 searches. Data last updated 15 October 2025.
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

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 17/2

08:55-11:10

Nonstop1h 15m

Brussels Bruxelles-National

Thu 19/2

17:30-17:45

Nonstop1h 15m

€115

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Thu 19/3

07:10-09:25

Nonstop1h 15m

Brussels Bruxelles-National

Thu 19/3

17:30-17:45

Nonstop1h 15m

€116

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Wed 17/12

17:30-19:45

Nonstop1h 15m

Brussels Bruxelles-National

Thu 18/12

17:30-17:45

Nonstop1h 15m

€117

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Sat 29/11

13:10-15:25

Nonstop1h 15m

Brussels Bruxelles-National

Tue 2/12

21:45-21:55

Nonstop1h 10m

€118

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Fri 5/12

17:50-20:00

Nonstop1h 10m

Brussels Bruxelles-National

Mon 8/12

21:10-21:20

Nonstop1h 10m

€127

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 11/11

11:05-13:15

Nonstop1h 10m

Brussels Bruxelles-National

Wed 12/11

21:10-21:20

Nonstop1h 10m

€149

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Wed 17/12

09:55-18:40

1 stop7h 45m

Brussels Bruxelles-National

Thu 18/12

11:30-16:25

1 stop5h 55m

€190

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Tue 17/2

17:30-10:50

1 stop16h 20m

Brussels Bruxelles-National

Thu 19/2

15:10-18:30

1 stop4h 20m

€200

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Fri 6/3

17:50-22:20

1 stop3h 30m

Brussels Bruxelles-National

Fri 13/3

08:05-10:45

1 stop3h 40m

€212

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

Fri 14/11

17:50-22:20

1 stop3h 30m

Brussels Bruxelles-National

Sun 16/11

14:45-17:00

1 stop3h 15m

€212

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brussels from

How to get the cheapest flight ticket from London Heathrow Airport to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Brussels?

The month of January is, on average, the cheapest month to fly to Brussels from London Heathrow Airport, with most prices found around €123. If you are unable to visit Brussels during the month of January, then departing from London Heathrow Airport during the month November is also very affordable. Most momondo users find prices during this month for around €126.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from London Heathrow Airport is on a Friday. momondo users have found tickets for Friday departures for as low as €131. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Brussels on Wednesday is €621.

What is the cheapest London Heathrow to Brussels flight route?

Fly from London Heathrow to Brussels Bruxelles-National for the best London Heathrow - Brussels flight prices

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around €138 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from London Heathrow Airport for as low as €109 on momondo.

What cabin class options are available on London Heathrow to Brussels flights?

There is only 1 cabin class available to choose from on London Heathrow to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London Heathrow Airport to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Brussels

Fastest flight time

1h 05m

Direct flights

Every day

Airports in Brussels

1 airport
The fastest flight from London Heathrow Airport to Brussels takes 1h 05m
Direct flights go from London Heathrow Airport to Brussels every day.
There is 1 airport near Brussels: Brussels Bruxelles-National (BRU)
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  • How far is London Heathrow to Brussels by plane?

    The straight-line distance from London Heathrow to Brussels is 341.8 km. Flights usually cover this in 1h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Brussels?

    Prices for flights from London Heathrow Airport to Brussels are updated daily.

  • How old do you have to be to fly from London Heathrow Airport to Brussels?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Brussels?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Brussels . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Brussels with flexible booking policies on momondo?

momondo does allow users to show only those flights to Brussels from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Brussels?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brussels from London.

I’m not ready to book a flight from London to Brussels right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Brussels now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Brussels and let you know when they change.

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 44.1 km from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport