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Cheap flights from Cardiff to Brussels from £52

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BRU
4 Jun — 11 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Brussels

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Brussels
Explore the most affordable flight options available from Cardiff to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 May 2026.

Tue 9/623:15
CWL
-
BRU
1 stop9h 40m
Ryanair
Tue 16/619:45
BRU
-
CWL
1 stop4h 05m
Ryanair
Deal found 2/5£83
Wed 3/623:30
CWL
-
BRU
1 stop9h 05m
Ryanair
Wed 10/610:30
BRU
-
CWL
1 stop13h 35m
Ryanair
Deal found 1/5£86
Tue 9/623:15
CWL
-
CRL
1 stop8h 10m
Ryanair
Tue 16/606:35
CRL
-
CWL
2 stops17h 15m
Ryanair
Deal found 3/5£97
Tue 9/616:15
CWL
-
BRU
2 stops21h 15m
Multiple Airlines
Tue 16/619:45
BRU
-
CWL
1 stop4h 05m
Multiple Airlines
Deal found 3/5£116
Tue 26/523:15
CWL
-
CRL
1 stop8h 10m
Ryanair
Thu 28/514:20
CRL
-
CWL
2 stops9h 05m
Ryanair
Deal found 4/5£120
Mon 15/622:10
CWL
-
BRU
1 stop10h 00m
Multiple Airlines
Mon 22/622:15
BRU
-
CWL
2 stops25h 35m
Multiple Airlines
Deal found 1/5£121
Thu 18/622:50
CWL
-
BRU
1 stop9h 30m
Ryanair
Thu 25/610:20
BRU
-
CWL
1 stop13h 05m
Ryanair
Deal found 4/5£124
Wed 3/623:30
CWL
-
BRU
1 stop9h 05m
Multiple Airlines
Wed 10/621:30
BRU
-
CWL
2 stops19h 10m
Multiple Airlines
Deal found 1/5£125
Sun 14/621:45
CWL
-
BRU
1 stop10h 15m
Ryanair
Sun 21/609:50
BRU
-
CWL
1 stop12h 30m
Ryanair
Deal found 30/4£127
Tue 26/523:15
CWL
-
CRL
1 stop8h 10m
Ryanair
Fri 29/517:45
CRL
-
CWL
2 stops14h 10m
Ryanair
Deal found 4/5£128
Mon 8/622:10
CWL
-
BRU
1 stop10h 00m
Multiple Airlines
Tue 9/618:05
BRU
-
CWL
3 stops30h 00m
Multiple Airlines
Deal found 4/5£133
Mon 8/622:10
CWL
-
CRL
2 stops13h 40m
Ryanair
Tue 9/621:55
CRL
-
CWL
2 stops26h 10m
Ryanair
Deal found 4/5£136

Find flight deals from Cardiff to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 May 2026.

Round-trip from

£83

One-way from

£52

Popular in

July

Cheapest in

October

Average price

£245
Ryanair
  • Ryanair
  • 9/6-16/6
  • 2 total stops
  • 13h 45m total
  • Cardiff to Brussels
Search Deals
Ryanair
  • Ryanair
  • 26/5
  • 1 total stop
  • 8h 10m total
  • Cardiff to Brussels
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 5 May 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

Tue 9/6

23:15-09:55

1 stop9h 40m

Brussels Bruxelles-National

Tue 16/6

19:45-22:50

1 stop4h 05m

£83

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Tue 9/6

23:15-08:25

1 stop8h 10m

Charleroi Brussels

Tue 16/6

06:35-22:50

2 stops17h 15m

£97

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Tue 9/6

16:15-14:30

2 stops21h 15m

Brussels Bruxelles-National

Tue 16/6

19:45-22:50

1 stop4h 05m

£116

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Tue 26/5

23:15-08:25

1 stop8h 10m

Charleroi Brussels

Thu 28/5

14:20-22:25

2 stops9h 05m

£120

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 15/6

22:10-09:10

1 stop10h 00m

Brussels Bruxelles-National

Mon 22/6

22:15-22:50

2 stops25h 35m

£121

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 18/6

22:50-09:20

1 stop9h 30m

Brussels Bruxelles-National

Thu 25/6

10:20-22:25

1 stop13h 05m

£124

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Wed 3/6

23:30-09:35

1 stop9h 05m

Brussels Bruxelles-National

Wed 10/6

21:30-15:40

2 stops19h 10m

£125

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sun 14/6

21:45-09:00

1 stop10h 15m

Brussels Bruxelles-National

Sun 21/6

09:50-21:20

1 stop12h 30m

£127

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Tue 26/5

23:15-08:25

1 stop8h 10m

Charleroi Brussels

Mon 1/6

19:05-09:50

1 stop15h 45m

£142

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Mon 8/6

22:10-12:50

2 stops13h 40m

Charleroi Brussels

Tue 9/6

15:40-21:20

1 stop6h 40m

£144

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
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Best time to book a flight from Cardiff to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Cardiff with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Brussels

How much does it cost for a return flight from Cardiff to Brussels?

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brussels. Reviews last updated 5 May 2026.
Read reviews from past customers who have flown with KLM from Cardiff to Brussels. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,511 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,511 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Crew

8.4

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Cardiff to Brussels?

    Cardiff Wales (CWL), located 9.1 mi from the city center, is the airport you fly out of when you book flights from Cardiff to Brussels. 1 airline have flights from Cardiff Wales to Brussels on a regular basis. Booking flights from Cardiff Wales to Brussels should not be difficult; the airport handles an average of 0 outbound flights to Brussels per day.

  • How long is the flight from Cardiff to Brussels?

    There are many flights that can get you from Cardiff to Brussels in 9h 40m. Fly via Ryanair to get the fastest option. Cardiff and Brussels are separated by a distance of 341 mi.

  • What is the cheapest airline to fly from Cardiff to Brussels round-trip?

    According to our current data, KLM (£218), offers the cheapest pricing from Cardiff to Brussels. KLM is priced at 14% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Cardiff to Brussels that include hotel bookings?

    Yes. In addition to deals on Cardiff to Brussels flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Brussels?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Brussels.

  • Can I find deals for business class flights from Cardiff to Brussels?

    Yes. Cheapflights offers flight deals from Cardiff to Brussels by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Cardiff to Brussels

Discover the top airline that operate flights from Cardiff to Brussels. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 May 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£218Average£276FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Brussels?

Deals for Cardiff to Brussels flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Brussels?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Brussels from Cardiff.

Can Cheapflights find flights from Cardiff to Brussels with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Cardiff to Brussels, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Cardiff to Brussels become cheaper?

Yes! Start tracking prices for Cardiff to Brussels flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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