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Cheap flights from Cardiff to Brussels from £80

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Brussels departing on 11/1. 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 Cardiff to Brussels

Cheap return flights

Ryanair Logo
07:55 - 15:40CWL-BRU
6h 45m1 stop
Ryanair Logo
09:30 - 12:45BRU-CWL
4h 15m1 stop
£117Ryanair
Find Deal
Thu, 9 Oct - Mon, 13 Oct
Ryanair Logo
12:25 - 20:10CWL-BRU
6h 45m1 stop
Ryanair Logo
09:30 - 12:45BRU-CWL
4h 15m1 stop
£121Ryanair
Find Deal
Fri, 10 Oct - Mon, 13 Oct
Logo
12:25 - 09:45CWL-BRU
20h 20m2 stops
Logo
09:30 - 12:45BRU-CWL
4h 15m1 stop
£143
Find Deal
Fri, 10 Oct - Mon, 13 Oct
Logo
17:20 - 16:20CWL-BRU
22h 00m2 stops
Logo
10:00 - 15:55BRU-CWL
6h 55m1 stop
£146
Find Deal
Sun, 5 Oct - Tue, 7 Oct
Logo
21:45 - 09:35CWL-BRU
10h 50m1 stop
Logo
21:55 - 15:30BRU-CWL
18h 35m2 stops
£150
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Ryanair Logo
11:00 - 21:00CWL-BRU
9h 00m1 stop
Ryanair Logo
10:00 - 15:55BRU-CWL
6h 55m1 stop
£167Ryanair
Find Deal
Sun, 5 Oct - Tue, 7 Oct
KLM Logo
17:25 - 22:20CWL-BRU
3h 55m1 stop
KLM Logo
06:15 - 09:50BRU-CWL
4h 35m1 stop
£247KLM
Find Deal
Sat, 20 Dec - Tue, 23 Dec
KLM Logo
17:25 - 07:35CWL-BRU
13h 10m1 stop
KLM Logo
06:15 - 09:50BRU-CWL
4h 35m1 stop
£269KLM
Find Deal
Fri, 19 Dec - Sun, 21 Dec
British Airways Logo
12:00 - 20:25CWL-BRU
7h 25m2 stops
British Airways Logo
21:15 - 11:30BRU-CWL
15h 15m2 stops
£439British Airways
Find Deal
Thu, 9 Oct - Mon, 13 Oct
British Airways Logo
12:00 - 10:30CWL-BRU
21h 30m2 stops
British Airways Logo
17:30 - 11:30BRU-CWL
19h 00m2 stops
£576British Airways
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Sat, 20 Dec - Mon, 22 Dec

Ryanair flights from Cardiff to Brussels Bruxelles-National Airport

Our best Ryanair deals on Cardiff to Brussels Bruxelles-National Airport flight tickets
Ryanair
9 Oct
CWL07:55Cardiff Wales
6h 45m
1 stop
BRU15:40Brussels Bruxelles-National
13 Oct
BRU09:30Brussels Bruxelles-National
4h 15m
1 stop
CWL12:45Cardiff Wales
£117
Find similar
Ryanair
10 Oct
CWL12:25Cardiff Wales
6h 45m
1 stop
BRU20:10Brussels Bruxelles-National
13 Oct
BRU09:30Brussels Bruxelles-National
4h 15m
1 stop
CWL12:45Cardiff Wales
£121
Find similar
Ryanair
5 Oct
CWL11:00Cardiff Wales
9h 00m
1 stop
BRU21:00Brussels Bruxelles-National
7 Oct
BRU10:00Brussels Bruxelles-National
6h 55m
1 stop
CWL15:55Cardiff Wales
£167
Find similar

KLM flights from Cardiff to Brussels Bruxelles-National Airport

Our best KLM deals on Cardiff to Brussels Bruxelles-National Airport flight tickets
KLM
20 Dec
CWL17:25Cardiff Wales
3h 55m
1 stop
BRU22:20Brussels Bruxelles-National
23 Dec
BRU06:15Brussels Bruxelles-National
4h 35m
1 stop
CWL09:50Cardiff Wales
£247
Find similar
KLM
19 Dec
CWL17:25Cardiff Wales
13h 10m
1 stop
BRU07:35Brussels Bruxelles-National
21 Dec
BRU06:15Brussels Bruxelles-National
4h 35m
1 stop
CWL09:50Cardiff Wales
£269
Find similar
KLM
20 Dec
CWL17:25Cardiff Wales
3h 55m
1 stop
BRU22:20Brussels Bruxelles-National
22 Dec
BRU10:45Brussels Bruxelles-National
24h 05m
1 stop
CWL09:50Cardiff Wales
£313
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Brussels Bruxelles-National Airport 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 16 September 2025.
Use the filters below to find and compare flights from Cardiff to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 9/10

07:55-15:40

1 stop6h 45m

Brussels Bruxelles-National

Mon 13/10

09:30-12:45

1 stop4h 15m

£117

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 10/10

12:25-20:10

1 stop6h 45m

Brussels Bruxelles-National

Mon 13/10

09:30-12:45

1 stop4h 15m

£121

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 10/10

12:25-09:45

2 stops20h 20m

Brussels Bruxelles-National

Mon 13/10

09:30-12:45

1 stop4h 15m

£143

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sun 5/10

17:20-16:20

2 stops22h 00m

Brussels Bruxelles-National

Tue 7/10

10:00-15:55

1 stop6h 55m

£146

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Tue 28/10

21:45-09:35

1 stop10h 50m

Brussels Bruxelles-National

Tue 4/11

21:55-15:30

2 stops18h 35m

£150

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sun 5/10

11:00-21:00

1 stop9h 00m

Brussels Bruxelles-National

Tue 7/10

10:00-15:55

1 stop6h 55m

£167

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 20/12

17:25-22:20

1 stop3h 55m

Brussels Bruxelles-National

Tue 23/12

06:15-09:50

1 stop4h 35m

£247

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 19/12

17:25-07:35

1 stop13h 10m

Brussels Bruxelles-National

Sun 21/12

06:15-09:50

1 stop4h 35m

£269

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 9/10

12:00-20:25

2 stops7h 25m

Brussels Bruxelles-National

Mon 13/10

21:15-11:30

2 stops15h 15m

£439

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 20/12

12:00-10:30

2 stops21h 30m

Brussels Bruxelles-National

Mon 22/12

17:30-11:30

2 stops19h 00m

£576

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 Cardiff to Brussels Bruxelles-National Airport

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 Bruxelles-National Airport?

If you don’t want to visit Brussels Bruxelles-National Airport in January, then you should wait until March to fly from Cardiff, when ticket prices are also cheap, with an average price of £186.

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

Our data shows that Tuesday is the least expensive day to fly to Brussels Bruxelles-National Airport. Tickets to fly out on this day can be as low as £146. On the other hand, Sunday is the most expensive day to depart from Cardiff because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £236.

What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?

Our data shows that the cheapest Cardiff to Brussels Bruxelles-National Airport flights are usually those with departure times in the morning. Our users have found flights to Brussels Bruxelles-National Airport in the morning for as low as £171. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £208 on average. Flights to Brussels Bruxelles-National Airport from Cardiff in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

When to book flights from Cardiff to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Brussels Bruxelles-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Cardiff to Brussels Bruxelles-National Airport (CWL to BRU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Brussels Bruxelles-National Airport

Direct flights

None
There are no direct flights from Cardiff to Brussels Bruxelles-National Airport. There are no popular flight routes from Cardiff to Brussels Bruxelles-National Airport.
Search flight deals

  • How far is Cardiff Wales to Brussels Bruxelles-National by plane?

    The distance between Cardiff Wales and Brussels Bruxelles-National is about 333.9 mi. By plane, this route typically takes 3h 50m.

  • When did momondo last update prices for flights from Cardiff Wales Airport to Brussels Bruxelles-National Airport?

    Prices for flights from Cardiff Wales Airport to Brussels Bruxelles-National Airport were last updated today.

  • How many operators does momondo search for flights from Cardiff Wales Airport to Brussels Bruxelles-National Airport?

  • How old do you have to be to fly from Cardiff Wales Airport to Brussels Bruxelles-National Airport?

    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 layovers 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 Cardiff Wales Airport to Brussels Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The required travel and health documents for your Brussels Bruxelles-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Brussels Bruxelles-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Cardiff to Brussels Bruxelles-National Airport?

Best airlines flying from Cardiff to Brussels Bruxelles-National Airport

Compare and see reviews for airlines that fly from Cardiff to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £163Free CancellationRating
7.8
1,385 reviews
Search KLM flights

Travelling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Ypres
Charleroi
Leuven
Waterloo
Spa
Hasselt
Namur
Mons
Aalst
Mechelen
Genk
Dinant
Francorchamps
Knokke-Heist
Oostkamp
Zaventem

Why use momondo?

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

It is quick and easy to find Cardiff 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 Cardiff to Brussels with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Cardiff to Brussels flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cardiff to Brussels.

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

Yes. momondo can track prices for Cardiff to Brussels flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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