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Cheap flights from Cardiff to Brussels from £121

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Brussels departing on 5/1. 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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Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
23:30 - 09:10CWL-BRU
8h 40m1 stop
Ryanair Logo
09:10 - 15:30BRU-CWL
7h 20m1 stop
£121Ryanair
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Mon, 5 Jan - Wed, 7 Jan
Multiple Airlines Logo
16:45 - 16:25CWL-BRU
22h 40m2 stops
Multiple Airlines Logo
07:00 - 16:05BRU-CWL
10h 05m1 stop
£152Multiple Airlines
Find Deal
Tue, 2 Dec - Tue, 9 Dec
Ryanair Logo
22:25 - 08:30CWL-BRU
9h 05m1 stop
Ryanair Logo
09:40 - 22:00BRU-CWL
13h 20m1 stop
£166Ryanair
Find Deal
Fri, 12 Dec - Fri, 19 Dec
Multiple Airlines Logo
23:30 - 18:45CWL-BRU
18h 15m2 stops
Multiple Airlines Logo
09:10 - 15:30BRU-CWL
7h 20m1 stop
£177Multiple Airlines
Find Deal
Mon, 5 Jan - Wed, 7 Jan
Ryanair Logo
23:45 - 09:05CWL-BRU
8h 20m1 stop
Ryanair Logo
18:25 - 07:00BRU-CWL
13h 35m1 stop
£179Ryanair
Find Deal
Sat, 20 Dec - Tue, 23 Dec
Multiple Airlines Logo
21:20 - 09:35CWL-BRU
11h 15m1 stop
Multiple Airlines Logo
09:40 - 20:55BRU-CWL
12h 15m1 stop
£185Multiple Airlines
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Sun, 14 Dec - Sun, 21 Dec
KLM Logo
10:20 - 10:10CWL-BRU
22h 50m1 stop
KLM Logo
14:45 - 16:55BRU-CWL
3h 10m1 stop
£266KLM
Find Deal
Tue, 2 Dec - Tue, 9 Dec
KLM Logo
09:50 - 14:35CWL-BRU
3h 45m1 stop
KLM Logo
10:25 - 09:15BRU-CWL
23h 50m1 stop
£432KLM
Find Deal
Mon, 30 Mar - Tue, 31 Mar
British Airways Logo
12:00 - 14:20CWL-BRU
25h 20m2 stops
British Airways Logo
20:25 - 11:30BRU-CWL
16h 05m2 stops
£438British Airways
Find Deal
Mon, 30 Mar - Tue, 31 Mar
British Airways Logo
12:00 - 14:20CWL-BRU
25h 20m2 stops
British Airways Logo
20:25 - 11:30BRU-CWL
16h 05m2 stops
£440British Airways
Find Deal
Mon, 30 Mar - Tue, 31 Mar

Ryanair flights from Cardiff to Brussels Bruxelles-National Airport

Our best Ryanair deals on Cardiff to Brussels Bruxelles-National Airport flight tickets
Ryanair
5 Jan
CWL23:30Cardiff Wales
8h 40m
1 stop
BRU09:10Brussels Bruxelles-National
7 Jan
BRU09:10Brussels Bruxelles-National
7h 20m
1 stop
CWL15:30Cardiff Wales
£121
Find similar
Ryanair
12 Dec
CWL22:25Cardiff Wales
9h 05m
1 stop
BRU08:30Brussels Bruxelles-National
19 Dec
BRU09:40Brussels Bruxelles-National
13h 20m
1 stop
CWL22:00Cardiff Wales
£166
Find similar
Ryanair
20 Dec
CWL23:45Cardiff Wales
8h 20m
1 stop
BRU09:05Brussels Bruxelles-National
23 Dec
BRU18:25Brussels Bruxelles-National
13h 35m
1 stop
CWL07:00Cardiff Wales
£179
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
2 Dec
CWL10:20Cardiff Wales
22h 50m
1 stop
BRU10:10Brussels Bruxelles-National
9 Dec
BRU14:45Brussels Bruxelles-National
3h 10m
1 stop
CWL16:55Cardiff Wales
£266
Find similar
KLM
30 Mar
CWL09:50Cardiff Wales
3h 45m
1 stop
BRU14:35Brussels Bruxelles-National
31 Mar
BRU10:25Brussels Bruxelles-National
23h 50m
1 stop
CWL09:15Cardiff Wales
£432
Find similar
KLM
30 Mar
CWL17:15Cardiff Wales
4h 00m
1 stop
BRU22:15Brussels Bruxelles-National
31 Mar
BRU06:10Brussels Bruxelles-National
4h 05m
1 stop
CWL09:15Cardiff Wales
£434
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 31 October 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

Mon 5/1

23:30-09:10

1 stop8h 40m

Brussels Bruxelles-National

Wed 7/1

09:10-15:30

1 stop7h 20m

£121

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Tue 2/12

16:45-16:25

2 stops22h 40m

Brussels Bruxelles-National

Tue 9/12

07:00-16:05

1 stop10h 05m

£152

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 12/12

22:25-08:30

1 stop9h 05m

Brussels Bruxelles-National

Fri 19/12

09:40-22:00

1 stop13h 20m

£166

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 5/1

23:30-18:45

2 stops18h 15m

Brussels Bruxelles-National

Wed 7/1

09:10-15:30

1 stop7h 20m

£177

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 20/12

23:45-09:05

1 stop8h 20m

Brussels Bruxelles-National

Tue 23/12

18:25-07:00

1 stop13h 35m

£179

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sun 14/12

21:20-09:35

1 stop11h 15m

Brussels Bruxelles-National

Sun 21/12

09:40-20:55

1 stop12h 15m

£185

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Tue 2/12

10:20-10:10

1 stop22h 50m

Brussels Bruxelles-National

Tue 9/12

14:45-16:55

1 stop3h 10m

£266

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 30/3

09:50-14:35

1 stop3h 45m

Brussels Bruxelles-National

Tue 31/3

10:25-09:15

1 stop23h 50m

£432

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 30/3

12:00-14:20

2 stops25h 20m

Brussels Bruxelles-National

Tue 31/3

20:25-11:30

2 stops16h 05m

£438

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 30/3

12:00-14:20

2 stops25h 20m

Brussels Bruxelles-National

Tue 31/3

20:25-11:30

2 stops16h 05m

£440

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 £192.

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 £150. 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 £243.

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 £176. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £215 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 45m.

  • 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 £168Free CancellationRating
7.7
1,406 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
Mons
Mechelen
Hasselt
Namur
Aalst
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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