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Cheap flights from Cardiff to Brussels from £106

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BRU
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Cheap 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 17 October 2025.

Round-trip from

£106

Popular in

October

Cheapest in

January

Average price

£309
Ryanair
  • Ryanair
  • 6/11-10/11
  • 2 total stops
  • 20h 30m total
  • Cardiff to Brussels
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Highest demand for flights based on searches. 9% potential increase in price (£19 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find 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 17 October 2025.

Thu 6/1110:30CWL - BRU
1 stop6h 05mRyanair
Mon 10/1109:40BRU - CWL
1 stop14h 25mRyanair
Deal found 16/10£106
Sat 29/1120:05CWL - BRU
1 stop12h 00mRyanair
Sat 6/1209:05BRU - CWL
1 stop11h 35mRyanair
Deal found 15/10£112
Mon 3/1123:30CWL - BRU
1 stop8h 40mRyanair
Wed 5/1109:10BRU - CWL
1 stop7h 20mRyanair
Deal found 16/10£113
Sat 15/1120:05CWL - BRU
1 stop12h 00mRyanair
Sat 22/1109:05BRU - CWL
1 stop11h 35mRyanair
Deal found 16/10£115
Thu 6/1110:30CWL - CRL
2 stops20h 40mMultiple Airlines
Mon 10/1113:10CRL - CWL
1 stop10h 55mMultiple Airlines
Deal found 16/10£138
Fri 14/1122:25CWL - CRL
2 stops17h 45mRyanair
Fri 21/1106:20CRL - CWL
1 stop10h 20mRyanair
Deal found 15/10£139
Thu 6/1110:30CWL - BRU
2 stops21h 30mMultiple Airlines
Mon 10/1109:40BRU - CWL
1 stop14h 25mMultiple Airlines
Deal found 16/10£141
Sat 15/1120:05CWL - BRU
1 stop12h 00mMultiple Airlines
Sat 22/1109:35BRU - CWL
2 stops11h 05mMultiple Airlines
Deal found 16/10£141
Thu 13/1110:30CWL - BRU
1 stop6h 05mMultiple Airlines
Thu 13/1121:55BRU - CWL
2 stops25h 05mMultiple Airlines
Deal found 15/10£144
Fri 14/1122:25CWL - BRU
1 stop9h 05mMultiple Airlines
Fri 21/1121:25BRU - CWL
2 stops23h 15mMultiple Airlines
Deal found 15/10£147
Sat 15/1120:05CWL - CRL
2 stops25h 00mRyanair
Sat 22/1107:40CRL - CWL
2 stops13h 00mRyanair
Deal found 16/10£155
Mon 3/1123:30CWL - BRU
2 stops18h 10mMultiple Airlines
Wed 5/1109:10BRU - CWL
1 stop7h 20mMultiple Airlines
Deal found 16/10£155

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 17 October 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 29/11

20:05-09:05

1 stop12h 00m

Brussels Bruxelles-National

Sat 6/12

09:05-19:40

1 stop11h 35m

£112

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 14/11

22:25-08:30

1 stop9h 05m

Brussels Bruxelles-National

Fri 21/11

18:30-22:00

1 stop4h 30m

£113

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 15/11

20:05-09:05

1 stop12h 00m

Brussels Bruxelles-National

Sat 22/11

09:05-19:40

1 stop11h 35m

£115

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Thu 6/11

10:30-08:10

2 stops20h 40m

Charleroi Brussels

Mon 10/11

13:10-23:05

1 stop10h 55m

£138

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Fri 14/11

22:25-17:10

2 stops17h 45m

Charleroi Brussels

Fri 21/11

06:20-15:40

1 stop10h 20m

£139

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 6/11

10:30-09:00

2 stops21h 30m

Brussels Bruxelles-National

Mon 10/11

09:40-23:05

1 stop14h 25m

£141

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sat 15/11

20:05-09:05

1 stop12h 00m

Brussels Bruxelles-National

Sat 22/11

09:35-19:40

2 stops11h 05m

£141

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 13/11

10:30-17:35

1 stop6h 05m

Brussels Bruxelles-National

Thu 13/11

21:55-22:00

2 stops25h 05m

£144

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 14/11

22:25-08:30

1 stop9h 05m

Brussels Bruxelles-National

Fri 21/11

21:25-19:40

2 stops23h 15m

£147

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 3/11

23:30-18:40

2 stops18h 10m

Brussels Bruxelles-National

Wed 5/11

09:10-15:30

1 stop7h 20m

£155

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 23 results
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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

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 £74). Flying from Cardiff to Brussels in December is currently the most expensive (average of £188). 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.

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 17 October 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
1,404 reviews
Check prices

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,404 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Crew

8.4

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 (£165), offers the cheapest pricing from Cardiff to Brussels. KLM is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Cardiff to Brussels one-way?

    The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as £169. However, be on the lookout for offers from Ryanair and British Airways, as they are both options that can get you from Cardiff to Brussels for a low price.

  • 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 £74). Flying from Cardiff to Brussels in December is currently the most expensive (average of £188). 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 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£165Average£247FlexibilityNo 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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