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Cheap flights from Cardiff to Brussels from £87

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 5/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Cardiff to Brussels

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
22:50 - 09:20
CWL
-
BRU
9h 30m
1 stop
Ryanair Logo
09:50 - 21:20
BRU
-
CWL
12h 30m
1 stop
£99Ryanair
Thu, 24 Sep - Sun, 27 Sep
Ryanair Logo
22:45 - 09:10
CWL
-
BRU
9h 25m
1 stop
Ryanair Logo
10:20 - 22:20
BRU
-
CWL
13h 00m
1 stop
£113Ryanair
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
22:10 - 09:10
CWL
-
BRU
10h 00m
1 stop
Multiple Airlines Logo
17:15 - 09:50
BRU
-
CWL
17h 35m
1 stop
£118Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Ryanair Logo
15:35 - 11:25
CWL
-
CRL
18h 50m
2 stops
Ryanair Logo
09:50 - 22:20
CRL
-
CWL
13h 30m
1 stop
£123Ryanair
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
22:10 - 09:10
CWL
-
BRU
10h 00m
1 stop
Multiple Airlines Logo
21:30 - 22:50
BRU
-
CWL
26h 20m
2 stops
£124Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Ryanair Logo
22:45 - 09:10
CWL
-
BRU
9h 25m
1 stop
Ryanair Logo
10:20 - 22:20
BRU
-
CWL
13h 00m
1 stop
£125Ryanair
Fri, 11 Sep - Fri, 18 Sep
Ryanair Logo
15:35 - 09:30
CWL
-
CRL
16h 55m
1 stop
Ryanair Logo
09:50 - 22:20
CRL
-
CWL
13h 30m
1 stop
£125Ryanair
Fri, 11 Sep - Fri, 18 Sep
Ryanair Logo
15:35 - 16:20
CWL
-
CRL
23h 45m
2 stops
Ryanair Logo
08:45 - 06:55
CRL
-
CWL
23h 10m
2 stops
£136Ryanair
Fri, 11 Sep - Fri, 18 Sep
Multiple Airlines Logo
07:15 - 10:30
CWL
-
BRU
26h 15m
2 stops
Multiple Airlines Logo
09:50 - 21:20
BRU
-
CWL
12h 30m
1 stop
£137Multiple Airlines
Thu, 24 Sep - Sun, 27 Sep
Ryanair Logo
23:50 - 13:55
CWL
-
CRL
13h 05m
2 stops
Ryanair Logo
21:50 - 21:20
CRL
-
CWL
24h 30m
2 stops
£149Ryanair
Wed, 2 Sep - Sat, 5 Sep

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Ryanair flights from Cardiff to Brussels

Our best Ryanair deals on Cardiff to Brussels flight tickets
Ryanair
24 Sept
CWL22:50Cardiff Wales
9h 30m
1 stop
BRU09:20Brussels Bruxelles-National
27 Sept
BRU09:50Brussels Bruxelles-National
12h 30m
1 stop
CWL21:20Cardiff Wales
£99
Ryanair
11 Sept
CWL22:45Cardiff Wales
9h 25m
1 stop
BRU09:10Brussels Bruxelles-National
18 Sept
BRU10:20Brussels Bruxelles-National
13h 00m
1 stop
CWL22:20Cardiff Wales
£113
Ryanair
11 Sept
CWL22:45Cardiff Wales
9h 25m
1 stop
BRU09:10Brussels Bruxelles-National
18 Sept
BRU10:20Brussels Bruxelles-National
13h 00m
1 stop
CWL22:20Cardiff Wales
£125

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 3 August 2026.
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

Cheapest return flight
Fastest return journey

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 24/9

22:50-09:20

1 stop9h 30m

Brussels Bruxelles-National

Sun 27/9

09:50-21:20

1 stop12h 30m

£99

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 11/9

22:45-09:10

1 stop9h 25m

Brussels Bruxelles-National

Fri 18/9

10:20-22:20

1 stop13h 00m

£113

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 14/9

22:10-09:10

1 stop10h 00m

Brussels Bruxelles-National

Mon 21/9

17:15-09:50

1 stop17h 35m

£118

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Fri 11/9

15:35-11:25

2 stops18h 50m

Charleroi Brussels

Fri 18/9

09:50-22:20

1 stop13h 30m

£123

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 14/9

22:10-09:10

1 stop10h 00m

Brussels Bruxelles-National

Mon 21/9

21:30-22:50

2 stops26h 20m

£124

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 11/9

22:45-09:10

1 stop9h 25m

Brussels Bruxelles-National

Fri 18/9

10:20-22:20

1 stop13h 00m

£125

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Fri 11/9

15:35-09:30

1 stop16h 55m

Charleroi Brussels

Fri 18/9

09:50-22:20

1 stop13h 30m

£125

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Fri 11/9

15:35-16:20

2 stops23h 45m

Charleroi Brussels

Fri 18/9

08:45-06:55

2 stops23h 10m

£136

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 24/9

07:15-10:30

2 stops26h 15m

Brussels Bruxelles-National

Sun 27/9

09:50-21:20

1 stop12h 30m

£137

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Wed 2/9

23:50-13:55

2 stops13h 05m

Charleroi Brussels

Sat 5/9

21:50-21:20

2 stops24h 30m

£149

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 typical price of a round-trip flight between Cardiff and Brussels?

Prices are currently low for flights on this route.

Typical prices usually range from £225 to £245.
The lowest price recently found on this route was £99.

What is the cheapest month to fly to Brussels?

In general, April 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 £0. If you are unable to visit Brussels during the month of April, then departing from Cardiff during the month March is also very affordable. Most momondo users find prices during this month for around £0.

Cheap Cardiff to Brussels flight deals and tips

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

Fastest flight time

10h 00m

Direct flights

None
The fastest flight from Cardiff to Brussels takes 10h 00m
There are no direct flights from Cardiff to Brussels. There are no popular flight routes from Cardiff to Brussels.
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Frequently asked questions about flying from Cardiff to Brussels

  • 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 10h 00m.

  • 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 £219Free CancellationRating
7.8
1,552 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