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Cheap flights from Cardiff to Brussels from £77

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 7/8. 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

Ryanair Logo
13:10 - 18:05CWL-BRU
3h 55m1 stop
Ryanair Logo
10:00 - 15:55BRU-CWL
6h 55m1 stop
£110Ryanair
Find Deal
Mon, 13 Oct - Tue, 14 Oct
Ryanair Logo
09:00 - 21:30CWL-BRU
11h 30m1 stop
Ryanair Logo
09:30 - 12:45BRU-CWL
4h 15m1 stop
£115Ryanair
Find Deal
Sat, 13 Sep - Mon, 15 Sep
Ryanair Logo
07:55 - 15:40CWL-BRU
6h 45m1 stop
Ryanair Logo
09:30 - 12:45BRU-CWL
4h 15m1 stop
£125Ryanair
Find Deal
Thu, 4 Sep - Mon, 8 Sep
Ryanair Logo
09:00 - 21:30CWL-BRU
11h 30m1 stop
Ryanair Logo
22:05 - 10:35BRU-CWL
13h 30m1 stop
£134Ryanair
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Ryanair Logo
07:55 - 15:40CWL-BRU
6h 45m1 stop
Ryanair Logo
21:40 - 12:00BRU-CWL
15h 20m1 stop
£136Ryanair
Find Deal
Thu, 11 Sep - Thu, 18 Sep
Logo
13:10 - 18:05CWL-BRU
3h 55m1 stop
Logo
22:15 - 19:50BRU-CWL
22h 35m2 stops
£139
Find Deal
Mon, 13 Oct - Tue, 14 Oct
Logo
09:00 - 21:30CWL-BRU
11h 30m1 stop
Logo
22:15 - 15:55BRU-CWL
18h 40m2 stops
£146
Find Deal
Sat, 13 Sep - Mon, 15 Sep
KLM Logo
09:45 - 14:35CWL-BRU
3h 50m1 stop
KLM Logo
06:10 - 09:10BRU-CWL
4h 00m1 stop
£246KLM
Find Deal
Sat, 13 Sep - Sat, 20 Sep
British Airways Logo
12:00 - 20:25CWL-BRU
7h 25m2 stops
British Airways Logo
15:05 - 11:30BRU-CWL
21h 25m2 stops
£446British Airways
Find Deal
Mon, 13 Oct - Tue, 14 Oct
British Airways Logo
12:00 - 14:20CWL-BRU
25h 20m2 stops
British Airways Logo
22:05 - 11:30BRU-CWL
38h 25m2 stops
£506British Airways
Find Deal
Sat, 13 Sep - Sat, 20 Sep

Ryanair flights from Cardiff to Brussels

Our best Ryanair deals on Cardiff to Brussels flight tickets
Ryanair
13 Oct
CWL13:10Cardiff Wales
3h 55m
1 stop
BRU18:05Brussels Bruxelles-National
14 Oct
BRU10:00Brussels Bruxelles-National
6h 55m
1 stop
CWL15:55Cardiff Wales
£110
Find similar
Ryanair
13 Sept
CWL09:00Cardiff Wales
11h 30m
1 stop
BRU21:30Brussels Bruxelles-National
15 Sept
BRU09:30Brussels Bruxelles-National
4h 15m
1 stop
CWL12:45Cardiff Wales
£115
Find similar
Ryanair
4 Sept
CWL07:55Cardiff Wales
6h 45m
1 stop
BRU15:40Brussels Bruxelles-National
8 Sept
BRU09:30Brussels Bruxelles-National
4h 15m
1 stop
CWL12:45Cardiff Wales
£125
Find similar

British Airways flights from Cardiff to Brussels

Our best British Airways deals on Cardiff to Brussels flight tickets
British Airways
13 Oct
CWL12:00Cardiff Wales
7h 25m
2 stops
BRU20:25Brussels Bruxelles-National
14 Oct
BRU15:05Brussels Bruxelles-National
21h 25m
2 stops
CWL11:30Cardiff Wales
£446
Find similar
British Airways
13 Sept
CWL12:00Cardiff Wales
25h 20m
2 stops
BRU14:20Brussels Bruxelles-National
20 Sept
BRU22:05Brussels Bruxelles-National
38h 25m
2 stops
CWL11:30Cardiff Wales
£506
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 31 July 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

Mon 13/10

13:10-18:05

1 stop3h 55m

Brussels Bruxelles-National

Tue 14/10

10:00-15:55

1 stop6h 55m

£110

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 13/9

09:00-21:30

1 stop11h 30m

Brussels Bruxelles-National

Mon 15/9

09:30-12:45

1 stop4h 15m

£115

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 4/9

07:55-15:40

1 stop6h 45m

Brussels Bruxelles-National

Mon 8/9

09:30-12:45

1 stop4h 15m

£125

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 13/9

09:00-21:30

1 stop11h 30m

Brussels Bruxelles-National

Sat 20/9

22:05-10:35

1 stop13h 30m

£134

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 11/9

07:55-15:40

1 stop6h 45m

Brussels Bruxelles-National

Thu 18/9

21:40-12:00

1 stop15h 20m

£136

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 13/10

13:10-18:05

1 stop3h 55m

Brussels Bruxelles-National

Tue 14/10

22:15-19:50

2 stops22h 35m

£139

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 13/9

09:00-21:30

1 stop11h 30m

Brussels Bruxelles-National

Mon 15/9

22:15-15:55

2 stops18h 40m

£146

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 13/9

09:45-14:35

1 stop3h 50m

Brussels Bruxelles-National

Sat 20/9

06:10-09:10

1 stop4h 00m

£246

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 13/10

12:00-20:25

2 stops7h 25m

Brussels Bruxelles-National

Tue 14/10

15:05-11:30

2 stops21h 25m

£446

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 13/9

12:00-14:20

2 stops25h 20m

Brussels Bruxelles-National

Sat 20/9

22:05-11:30

2 stops38h 25m

£506

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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 £176. 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 £190.

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 £149. 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 £241.

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 £174. 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 £212 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

Best price found

£77

Fastest flight time

3h 50m

Direct flights

None

Airports in Brussels

2 airports
The best one-way flight to Brussels from Cardiff in the past 72 hours is £77. The best return flight deal from Cardiff to Brussels found on momondo in the last 72 hours is £110.
The fastest flight from Cardiff to Brussels takes 3h 50m
There are no direct flights from Cardiff to Brussels. Popular non-direct routes for this connection are Cardiff Wales Airport - Brussels Bruxelles-National Airport and Cardiff Wales Airport - Charleroi Brussels Airport.
There are 2 airports near Brussels: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)
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  • 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 £162Free CancellationRating
7.8
1,383 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