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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.
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Find the cheapest flights from Cardiff to Brussels

Cheap return flights

Logo
17:20 - 16:20CWL-BRU
22h 00m2 stops
Logo
10:00 - 15:55BRU-CWL
6h 55m1 stop
£147
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
Logo
21:45 - 09:35CWL-BRU
10h 50m1 stop
Logo
21:55 - 15:30BRU-CWL
18h 35m3 stops
£170
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Logo
11:00 - 20:25CWL-BRU
32h 25m3 stops
Logo
10:00 - 15:55BRU-CWL
6h 55m1 stop
£187
Find Deal
Sun, 5 Oct - Tue, 7 Oct
Logo
21:45 - 09:35CWL-BRU
10h 50m1 stop
Logo
07:00 - 16:05BRU-CWL
10h 05m1 stop
£205
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Ryanair Logo
22:25 - 08:30CWL-BRU
9h 05m1 stop
Ryanair Logo
18:25 - 21:35BRU-CWL
4h 10m1 stop
£232Ryanair
Find Deal
Fri, 19 Dec - Tue, 23 Dec
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 - 10:30CWL-BRU
21h 30m2 stops
British Airways Logo
17:30 - 11:30BRU-CWL
19h 00m2 stops
£577British Airways
Find Deal
Sat, 20 Dec - Mon, 22 Dec

Ryanair flights from Cardiff to Brussels

Our best Ryanair deals on Cardiff to Brussels flight tickets
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
Ryanair
16 Sept
CWL16:20Cardiff Wales
4h 20m
1 stop
BRU21:40Brussels Bruxelles-National
22 Sept
BRU09:30Brussels Bruxelles-National
4h 15m
1 stop
CWL12:45Cardiff Wales
£195
Find similar
Ryanair
16 Sept
CWL16:20Cardiff Wales
16h 30m
2 stops
CRL09:50Charleroi Brussels
22 Sept
CRL20:25Charleroi Brussels
20h 30m
2 stops
CWL15:55Cardiff Wales
£198
Find similar

KLM flights from Cardiff to Brussels

Our best KLM deals on Cardiff to Brussels 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 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 15 September 2025.
Use the filters below to find and compare flights from Cardiff to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

£147

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

Tue 28/10

21:45-09:35

1 stop10h 50m

Brussels Bruxelles-National

Tue 4/11

21:55-15:30

3 stops18h 35m

£170

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sun 5/10

11:00-20:25

3 stops32h 25m

Brussels Bruxelles-National

Tue 7/10

10:00-15:55

1 stop6h 55m

£187

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Tue 28/10

21:45-09:35

1 stop10h 50m

Brussels Bruxelles-National

Tue 4/11

07:00-16:05

1 stop10h 05m

£205

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 19/12

22:25-08:30

1 stop9h 05m

Brussels Bruxelles-National

Tue 23/12

18:25-21:35

1 stop4h 10m

£232

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

Sat 20/12

12:00-10:30

2 stops21h 30m

Brussels Bruxelles-National

Mon 22/12

17:30-11:30

2 stops19h 00m

£577

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

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 Cardiff to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £182. If you are unable to visit Brussels during the month of January, then departing from Cardiff during the month March is also very affordable. Most momondo users find prices during this month for around £187.

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

Our data shows that Tuesday is the least expensive day to fly to Brussels. 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 £237.

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 morning. momondo users have found flights departing from Cardiff to Brussels in the morning for as low as £171. 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 afternoon is when there is more demand to fly to Brussels, so prices are often more expensive at around £208 per ticket.

Cheap Cardiff to Brussels flight deals and tips

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

Direct flights

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

  • How far is Cardiff Wales to Brussels by plane?

    There are 328.7 mi between Cardiff Wales and Brussels. In terms of flight time, this usually takes a little over 3h 50m.

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

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

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

  • How old do you have to be to fly from Cardiff Wales 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 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.

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

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

Best airlines flying from Cardiff to Brussels

Compare and see reviews for airlines that fly from Cardiff to Brussels with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £153Free CancellationRating
7.8
1,385 reviews
Search KLM flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cardiff to Brussels. momondo saves you time and could save you money on your trip.

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

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

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

Once you have performed a search for Cardiff to Brussels flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Cardiff 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 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport