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Cheap flights from the United Kingdom to Brussels from £20

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Brussels departing on 4/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United Kingdom to Brussels

Recent return flight deals from the United Kingdom to Brussels

Ryanair Logo
20:30 - 22:55MAN-CRL
1h 25mdirect
Ryanair Logo
19:40 - 20:05CRL-MAN
1h 25mdirect
£38Ryanair
Find Deal
ti., 16 sep. - fr., 19 sep.
Ryanair Logo
20:30 - 22:55MAN-CRL
1h 25mdirect
Ryanair Logo
10:10 - 10:35CRL-MAN
1h 25mdirect
£39Ryanair
Find Deal
fr., 24 okt. - ma., 27 okt.
British Airways Logo
16:35 - 18:50LHR-BRU
1h 15mdirect
British Airways Logo
15:00 - 15:20BRU-LHR
1h 20mdirect
£95British Airways
Find Deal
fr., 26 sep. - ma., 29 sep.
Brussels Airlines Logo
11:05 - 13:15LHR-BRU
1h 10mdirect
Brussels Airlines Logo
21:10 - 21:20BRU-LHR
1h 10mdirect
£97Brussels Airlines
Find Deal
lø., 29 nov. - ti., 2 des.
Brussels Airlines Logo
11:10 - 13:35MAN-BRU
1h 25mdirect
Brussels Airlines Logo
21:15 - 21:35BRU-MAN
1h 20mdirect
£98Brussels Airlines
Find Deal
fr., 12 des. - sø., 14 des.
British Airways Logo
07:45 - 09:55LHR-BRU
1h 10mdirect
British Airways Logo
22:05 - 22:15BRU-LHR
1h 10mdirect
£98British Airways
Find Deal
lø., 11 okt. - lø., 18 okt.
Lufthansa Logo
17:15 - 22:30LCY-BRU
4h 15m1 stop
Lufthansa Logo
14:25 - 17:40BRU-LCY
4h 15m1 stop
£187Lufthansa
Find Deal
ma., 3 nov. - to., 6 nov.
Lufthansa Logo
08:45 - 13:40LCY-BRU
3h 55m1 stop
Lufthansa Logo
14:25 - 18:35BRU-LCY
5h 10m1 stop
£192Lufthansa
Find Deal
ti., 9 sep. - to., 11 sep.
KLM Logo
08:40 - 14:15LCY-BRU
4h 35m1 stop
KLM Logo
14:45 - 16:35BRU-LCY
2h 50m1 stop
£200KLM
Find Deal
lø., 8 nov. - ma., 10 nov.
KLM Logo
08:40 - 14:15LCY-BRU
4h 35m1 stop
KLM Logo
14:45 - 17:20BRU-LCY
3h 35m1 stop
£204KLM
Find Deal
lø., 29 nov. - ti., 2 des.

Brussels Airlines flights from United Kingdom to Brussels

Our best Brussels Airlines deals on United Kingdom to Brussels flight tickets
Brussels Airlines
29 Nov
LHR11:05London Heathrow
1h 10m
BRU13:15Brussels Bruxelles-National
2 Dec
BRU21:10Brussels Bruxelles-National
1h 10m
LHR21:20London Heathrow
£97
Find similar
Brussels Airlines
12 Dec
MAN11:10Manchester
1h 25m
BRU13:35Brussels Bruxelles-National
14 Dec
BRU21:15Brussels Bruxelles-National
1h 20m
MAN21:35Manchester
£98
Find similar
Brussels Airlines
21 Nov
LHR06:50London Heathrow
1h 05m
BRU08:55Brussels Bruxelles-National
23 Nov
BRU21:10Brussels Bruxelles-National
1h 10m
LHR21:20London Heathrow
£99
Find similar

easyJet flights from United Kingdom to Brussels

Our best easyJet deals on United Kingdom to Brussels flight tickets
easyJet
18 Nov
MAN13:05Manchester
6h 30m
1 stop
BRU20:35Brussels Bruxelles-National
19 Nov
BRU21:05Brussels Bruxelles-National
16h 15m
1 stop
MAN12:20Manchester
£125
Find similar
easyJet
21 Nov
MAN13:05Manchester
6h 30m
1 stop
BRU20:35Brussels Bruxelles-National
24 Nov
BRU21:05Brussels Bruxelles-National
16h 15m
1 stop
MAN12:20Manchester
£130
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 279,928 searches. Data last updated 28 august 2025.
Use the filters below to find and compare flights from the United Kingdom to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

ti. 16/9

20:30-22:55

Nonstop1h 25m

Charleroi Brussels

fr. 19/9

19:40-20:05

Nonstop1h 25m

£38

ManchesterBrussels

MAN - CRL

MANCRL

Manchester

fr. 24/10

20:30-22:55

Nonstop1h 25m

Charleroi Brussels

ma. 27/10

10:10-10:35

Nonstop1h 25m

£39

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

fr. 26/9

16:35-18:50

Nonstop1h 15m

Brussels Bruxelles-National

ma. 29/9

15:00-15:20

Nonstop1h 20m

£95

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

lø. 29/11

11:05-13:15

Nonstop1h 10m

Brussels Bruxelles-National

ti. 2/12

21:10-21:20

Nonstop1h 10m

£97

ManchesterBrussels

MAN - BRU

MANBRU

Manchester

fr. 12/12

11:10-13:35

Nonstop1h 25m

Brussels Bruxelles-National

sø. 14/12

21:15-21:35

Nonstop1h 20m

£98

LondonBrussels

LHR - BRU

LHRBRU

London Heathrow

lø. 11/10

07:45-09:55

Nonstop1h 10m

Brussels Bruxelles-National

lø. 18/10

22:05-22:15

Nonstop1h 10m

£98

LondonBrussels

LCY - BRU

LCYBRU

London City

ma. 3/11

17:15-22:30

1 stop4h 15m

Brussels Bruxelles-National

to. 6/11

14:25-17:40

1 stop4h 15m

£187

LondonBrussels

LCY - BRU

LCYBRU

London City

ti. 9/9

08:45-13:40

1 stop3h 55m

Brussels Bruxelles-National

to. 11/9

14:25-18:35

1 stop5h 10m

£192

LondonBrussels

LCY - BRU

LCYBRU

London City

lø. 8/11

08:40-14:15

1 stop4h 35m

Brussels Bruxelles-National

ma. 10/11

14:45-16:35

1 stop2h 50m

£200

LondonBrussels

LCY - BRU

LCYBRU

London City

lø. 29/11

08:40-14:15

1 stop4h 35m

Brussels Bruxelles-National

ti. 2/12

14:45-17:20

1 stop3h 35m

£204

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 United Kingdom 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?

In general, January is the cheapest month to fly from United Kingdom to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £102. If you are unable to visit Brussels during the month of January, then departing from United Kingdom during the month February is also very affordable. Most momondo users find prices during this month for around £109.

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

Our data shows that Friday is the least expensive day to fly to Brussels. Tickets to fly out on this day can be as low as £400. On the other hand, Sunday is the most expensive day to depart from United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £462.

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

According to our data, the cheapest time of day to fly to Brussels is in the evening. momondo users have found flights departing from United Kingdom to Brussels in the evening for as low as £115. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Brussels, so prices are often more expensive at around £459 per ticket.

What is the cheapest United Kingdom to Brussels flight route?

Fly from Manchester to Charleroi Brussels for the best United Kingdom - 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 United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around £120 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 United Kingdom for as low as £99 on momondo.

What cabin class options are available on United Kingdom to Brussels flights?

There are 3 cabin classes available to choose from on United Kingdom to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap United Kingdom to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Brussels

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Brussels

1 airport
The fastest flight from United Kingdom to Brussels takes 1h 00m
Direct flights go from United Kingdom to Brussels every day.
There is 1 airport near Brussels: Brussels Bruxelles-National (BRU)
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Brussels?

    Prices for flights from United Kingdom to Brussels are updated daily.

  • How many operators does momondo search for flights from United Kingdom to Brussels?

  • How old do you have to be to fly from United Kingdom to Brussels?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Brussels.

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

    The travel and health documents you'll need for your trip to Brussels may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United Kingdom to Brussels

Compare and see reviews for airlines that fly from United Kingdom to Brussels with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £27Free CancellationRating
6.8
5,152 reviews
Search Ryanair flights
RyanairPriceFrom £30Free CancellationRating
6.2
113 reviews
Search Ryanair flights
British AirwaysPriceFrom £85Free CancellationRating
6.7
7,310 reviews
Search British Airways flights
Brussels AirlinesPriceFrom £96Free CancellationRating
7.2
355 reviews
Search Brussels Airlines flights
KLMPriceFrom £132Free CancellationRating
7.8
1,384 reviews
Search KLM flights
Air FrancePriceFrom £132Free CancellationRating
7.4
1,469 reviews
Search Air France flights
LufthansaPriceFrom £148Free CancellationRating
6.8
7,363 reviews
Search Lufthansa flights
SWISSPriceFrom £153Free CancellationRating
7.6
1,712 reviews
Search SWISS flights

Why use momondo?

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

It is quick and easy to find United Kingdom to Brussels flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Brussels that suits you.

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

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

How can momondo help me find flights from United Kingdom 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 United Kingdom.

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

Price alerts on flights to Brussels from United Kingdom are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport