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Cheap flights from Cardiff to Belgium from £129

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 Belgium departing on 6/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
20:05 - 09:05CWL-BRU
12h 00m1 stop
Ryanair Logo
09:40 - 23:05BRU-CWL
14h 25m1 stop
£129Ryanair
Find Deal
Sat, 6 Dec - Mon, 15 Dec
Ryanair Logo
20:05 - 09:05CWL-BRU
12h 00m1 stop
Ryanair Logo
17:10 - 20:55BRU-CWL
4h 45m1 stop
£156Ryanair
Find Deal
Sat, 28 Feb - Sun, 1 Mar
Multiple Airlines Logo
20:05 - 09:05CWL-BRU
12h 00m1 stop
Multiple Airlines Logo
21:55 - 23:05BRU-CWL
26h 10m2 stops
£170Multiple Airlines
Find Deal
Sat, 7 Feb - Sun, 8 Feb
Ryanair Logo
20:05 - 09:05CWL-BRU
12h 00m1 stop
Ryanair Logo
17:10 - 20:55BRU-CWL
4h 45m1 stop
£171Ryanair
Find Deal
Sat, 7 Feb - Sun, 8 Feb
Ryanair Logo
22:25 - 08:30CWL-BRU
9h 05m1 stop
Ryanair Logo
09:40 - 20:55BRU-CWL
12h 15m1 stop
£178Ryanair
Find Deal
Fri, 23 Jan - Sun, 25 Jan
Multiple Airlines Logo
20:05 - 09:05CWL-BRU
12h 00m1 stop
Multiple Airlines Logo
21:55 - 16:05BRU-CWL
19h 10m2 stops
£192Multiple Airlines
Find Deal
Sat, 6 Dec - Mon, 15 Dec
KLM Logo
17:15 - 22:20CWL-BRU
4h 05m1 stop
KLM Logo
14:45 - 16:50BRU-CWL
3h 05m1 stop
£312KLM
Find Deal
Fri, 23 Jan - Sun, 25 Jan
KLM Logo
17:25 - 22:20CWL-BRU
3h 55m1 stop
KLM Logo
14:45 - 16:50BRU-CWL
3h 05m1 stop
£324KLM
Find Deal
Fri, 5 Dec - Sun, 7 Dec
British Airways Logo
12:00 - 09:55CWL-BRU
20h 55m2 stops
British Airways Logo
21:15 - 11:30BRU-CWL
15h 15m2 stops
£436British Airways
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Sun, 29 Mar - Mon, 30 Mar
British Airways Logo
08:35 - 08:50CWL-BRU
23h 15m2 stops
British Airways Logo
21:35 - 11:30BRU-CWL
14h 55m2 stops
£810British Airways
Find Deal
Thu, 4 Dec - Sun, 7 Dec

Ryanair flights from Cardiff to Belgium

Our best Ryanair deals on Cardiff to Belgium flight tickets
Ryanair
6 Dec
CWL20:05Cardiff Wales
12h 00m
1 stop
BRU09:05Brussels Bruxelles-National
15 Dec
BRU09:40Brussels Bruxelles-National
14h 25m
1 stop
CWL23:05Cardiff Wales
£129
Find similar
Ryanair
28 Feb
CWL20:05Cardiff Wales
12h 00m
1 stop
BRU09:05Brussels Bruxelles-National
1 Mar
BRU17:10Brussels Bruxelles-National
4h 45m
1 stop
CWL20:55Cardiff Wales
£156
Find similar
Ryanair
7 Feb
CWL20:05Cardiff Wales
12h 00m
1 stop
BRU09:05Brussels Bruxelles-National
8 Feb
BRU17:10Brussels Bruxelles-National
4h 45m
1 stop
CWL20:55Cardiff Wales
£171
Find similar

KLM flights from Cardiff to Belgium

Our best KLM deals on Cardiff to Belgium flight tickets
KLM
23 Jan
CWL17:15Cardiff Wales
4h 05m
1 stop
BRU22:20Brussels Bruxelles-National
25 Jan
BRU14:45Brussels Bruxelles-National
3h 05m
1 stop
CWL16:50Cardiff Wales
£312
Find similar
KLM
5 Dec
CWL17:25Cardiff Wales
3h 55m
1 stop
BRU22:20Brussels Bruxelles-National
7 Dec
BRU14:45Brussels Bruxelles-National
3h 05m
1 stop
CWL16:50Cardiff Wales
£324
Find similar
KLM
12 Dec
CWL17:25Cardiff Wales
3h 55m
1 stop
BRU22:20Brussels Bruxelles-National
14 Dec
BRU06:15Brussels Bruxelles-National
4h 35m
1 stop
CWL09:50Cardiff Wales
£357
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Belgium 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 11 November 2025.
Use the filters below to find and compare flights from Cardiff to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 6/12

20:05-09:05

1 stop12h 00m

Brussels Bruxelles-National

Mon 15/12

09:40-23:05

1 stop14h 25m

£129

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 28/2

20:05-09:05

1 stop12h 00m

Brussels Bruxelles-National

Sun 1/3

17:10-20:55

1 stop4h 45m

£156

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 7/2

20:05-09:05

1 stop12h 00m

Brussels Bruxelles-National

Sun 8/2

21:55-23:05

2 stops26h 10m

£170

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 7/2

20:05-09:05

1 stop12h 00m

Brussels Bruxelles-National

Sun 8/2

17:10-20:55

1 stop4h 45m

£171

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 23/1

22:25-08:30

1 stop9h 05m

Brussels Bruxelles-National

Sun 25/1

09:40-20:55

1 stop12h 15m

£178

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 6/12

20:05-09:05

1 stop12h 00m

Brussels Bruxelles-National

Mon 15/12

21:55-16:05

2 stops19h 10m

£192

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 23/1

17:15-22:20

1 stop4h 05m

Brussels Bruxelles-National

Sun 25/1

14:45-16:50

1 stop3h 05m

£312

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 5/12

17:25-22:20

1 stop3h 55m

Brussels Bruxelles-National

Sun 7/12

14:45-16:50

1 stop3h 05m

£324

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sun 29/3

12:00-09:55

2 stops20h 55m

Brussels Bruxelles-National

Mon 30/3

21:15-11:30

2 stops15h 15m

£436

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 4/12

08:35-08:50

2 stops23h 15m

Brussels Bruxelles-National

Sun 7/12

21:35-11:30

2 stops14h 55m

£810

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Belgium from

How to get the cheapest flight ticket from Cardiff to Belgium

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 Belgium?

The month of October is, on average, the cheapest month to fly to Belgium from Cardiff, with most prices found around £135. If you aren’t able to travel during the month of October, then book flights to Belgium from Cardiff during March instead. Flights to Belgium in March, while not as cheap as those in October, still average around £192.

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

The cheapest day to depart from Cardiff to Belgium is on a Tuesday when prices can be found for as low as £151. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Belgium on Sunday is £244.

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

Our most recent data shows that the best time of day to fly to Belgium is in the morning. Flights from Cardiff to Belgium during this time can be 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 Belgium from Cardiff in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Cheap Cardiff to Belgium flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Belgium

Direct flights

None
There are no direct flights from Cardiff to Belgium. There are no popular flight routes from Cardiff to Belgium.
Search flight deals

  • When did momondo last update prices for flights from Cardiff Wales Airport to Belgium?

    Prices for flights from Cardiff Wales Airport to Belgium were last updated today.

  • How many operators does momondo search for flights from Cardiff Wales Airport to Belgium?

  • How old do you have to be to fly from Cardiff Wales Airport to Belgium?

    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 Belgium.

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

    The required travel and health documents for your Belgium 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 Belgium. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Cardiff to Belgium

Compare and see reviews for airlines that fly from Cardiff to Belgium with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £168Free CancellationRating
7.7
1,410 reviews
Search KLM flights

Why use momondo?

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

It is quick and easy to find Cardiff to Belgium 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 Belgium that suits you.

Can I find flights from Cardiff to Belgium with flexible booking policies on momondo?

Yes. All flights to Belgium from Cardiff on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Belgium from Cardiff.

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

Yes. momondo can track prices for Cardiff to Belgium 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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