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Cheap flights from Cardiff to Brussels from £96

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BRU
11 Jan — 18 Jan1
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 12 December 2025.

Fri 26/1222:25CWL - BRU
1 stop9h 05mRyanair
Tue 30/1216:05BRU - CWL
1 stop24h 25mRyanair
Deal found 10/12£137
Sat 13/1220:05CWL - CRL
2 stops25h 40mRyanair
Mon 15/1208:00CRL - CWL
2 stops16h 05mRyanair
Deal found 12/12£177
Sat 13/1220:05CWL - BRU
1 stop12h 00mRyanair
Mon 15/1209:40BRU - CWL
1 stop14h 25mRyanair
Deal found 12/12£196
Sat 13/1220:05CWL - BRU
2 stops24h 50mMultiple Airlines
Mon 15/1209:40BRU - CWL
1 stop14h 25mMultiple Airlines
Deal found 12/12£227
Fri 26/1222:25CWL - BRU
1 stop9h 05mMultiple Airlines
Tue 30/1220:30BRU - CWL
2 stops20h 00mMultiple Airlines
Deal found 10/12£232
Fri 26/1222:25CWL - CRL
2 stops23h 10mMultiple Airlines
Tue 30/1209:35CRL - CWL
2 stops13h 00mMultiple Airlines
Deal found 10/12£267
Sat 13/1220:05CWL - CRL
3 stops21h 00mMultiple Airlines
Mon 15/1208:00CRL - CWL
2 stops16h 05mMultiple Airlines
Deal found 12/12£330
Fri 26/1208:35CWL - BRU
2 stops9h 55mBritish Airways
Wed 31/1214:35BRU - CWL
2 stops18h 30mBritish Airways
Deal found 11/12£544
Fri 26/1208:35CWL - BRU
2 stops23h 10mBritish Airways
Tue 30/1217:30BRU - CWL
2 stops39h 35mBritish Airways
Deal found 10/12£551

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 12 December 2025.

Round-trip from

£96

Popular in

November

Cheapest in

October

Average price

£278
Ryanair
  • Ryanair
  • 10/1-17/1
  • 2 total stops
  • 23h 35m total
  • Cardiff to Brussels
Search Deals
High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in December 2025
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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 12 December 2025.
Use the filters below to find and compare flights from Cardiff to Brussels that are best for you.

Fly from

Cardiff

Fly to

Brussels

Route

Depart

Return

Price

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 24/1

20:05-09:05

1 stop12h 00m

Brussels Bruxelles-National

Sat 31/1

10:15-19:40

1 stop10h 25m

£108

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 10/1

20:05-09:05

1 stop12h 00m

Brussels Bruxelles-National

Sat 17/1

09:05-09:40

2 stops25h 35m

£114

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Sat 10/1

20:05-22:05

2 stops25h 00m

Charleroi Brussels

Sat 17/1

07:00-19:40

2 stops13h 40m

£137

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 26/12

22:25-08:30

1 stop9h 05m

Brussels Bruxelles-National

Tue 30/12

16:05-15:30

1 stop24h 25m

£137

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sun 25/1

21:20-09:05

1 stop10h 45m

Brussels Bruxelles-National

Sun 1/2

09:40-20:55

1 stop12h 15m

£137

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Sat 10/1

20:05-22:05

2 stops25h 00m

Charleroi Brussels

Sat 17/1

06:40-19:45

1 stop14h 05m

£155

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sun 25/1

21:20-14:35

2 stops16h 15m

Brussels Bruxelles-National

Sun 1/2

09:40-20:55

1 stop12h 15m

£164

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 26/12

22:25-08:30

1 stop9h 05m

Brussels Bruxelles-National

Tue 30/12

20:30-15:30

2 stops20h 00m

£232

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 1/5

09:45-22:15

1 stop11h 30m

Brussels Bruxelles-National

Mon 4/5

15:10-09:15

1 stop19h 05m

£239

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Fri 1/5

13:45-07:30

2 stops16h 45m

Charleroi Brussels

Sat 2/5

14:25-08:55

2 stops19h 30m

£255

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 12 results
1
2

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

What is the cheapest month to book a flight from Cardiff to Brussels?

Currently, October is the cheapest month in which you can book a flight from Cardiff to Brussels (average of £59). Flying from Cardiff to Brussels in January is currently the most expensive (average of £175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 12 December 2025.
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
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Boarding

7.8

Overall

7.7

Comfort

7.6

Crew

8.3

Food

7.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 12h. 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 (£172), offers the cheapest pricing from Cardiff to Brussels. KLM is priced at 28% 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.

  • What is the cheapest month to book a flight from Cardiff to Brussels?

    Currently, October is the cheapest month in which you can book a flight from Cardiff to Brussels (average of £59). Flying from Cardiff to Brussels in January is currently the most expensive (average of £175). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£172Average£254FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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