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Cheap flights from Cardiff to Belgium from £129

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BRU
20 Jul — 27 Jul1
1 adult

Cheap flight deals from Cardiff to Belgium

Keep the following information in mind while searching for Cardiff to Belgium flight deals. Data was last updated 15 July 2025.

Round-trip from

£146

One-way from

£129

Popular in

August

Cheapest in

January

Average price

£230
Ryanair
  • Ryanair
  • 28/8-4/9
  • 2 total stops
  • 22h 05m total
  • Cardiff to Belgium
Ryanair
  • Ryanair
  • 21/7
  • 1 total stop
  • 16h 55m total
  • Cardiff to Belgium
Highest demand for flights based on searches. 8% potential increase in price (£15 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Cardiff to Belgium

Cheapest flights from Cardiff to Belgium
Explore the most affordable flight options available from Cardiff to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 July 2025.

Thu 28/807:55CWL - BRU
1 stop6h 45mRyanair
Thu 4/921:40BRU - CWL
1 stop15h 20mRyanair
Deal found 14/7£146
Fri 5/1222:25CWL - BRU
1 stop10h 10mMultiple Airlines
Sun 7/1209:40BRU - CWL
1 stop12h 15mMultiple Airlines
Deal found 13/7£166
Wed 10/920:30CWL - CRL
2 stops14h 30mMultiple Airlines
Fri 12/918:45CRL - CWL
1 stop13h 45mMultiple Airlines
Deal found 14/7£170
Wed 27/809:50CWL - BRU
1 stop11h 25mKLM
Wed 3/906:10BRU - CWL
1 stop4h 05mKLM
Deal found 13/7£243
Thu 7/811:20CWL - CRL
1 stop7h 30mRyanair
Sun 10/811:40CRL - CWL
1 stop6h 15mRyanair
Deal found 12/7£312
Fri 5/1209:00CWL - BRU
2 stops7h 00mBritish Airways
Sun 7/1221:35BRU - CWL
2 stops14h 55mBritish Airways
Deal found 13/7£456

Cheapflights Fare Finder

Customise your flight search to find flights from Cardiff to Belgium 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 15 July 2025.
Use the filters below to find and compare flights from Cardiff to Belgium that are best for you.

Fly from

Cardiff

Fly to

Belgium

Route

Depart

Return

Price

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 28/8

07:55-15:40

1 stop6h 45m

Brussels Bruxelles-National

Thu 4/9

21:40-12:00

1 stop15h 20m

£146

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 5/12

22:25-09:35

1 stop10h 10m

Brussels Bruxelles-National

Sun 7/12

09:40-20:55

1 stop12h 15m

£166

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Wed 10/9

20:30-12:00

2 stops14h 30m

Charleroi Brussels

Fri 12/9

18:45-07:30

1 stop13h 45m

£170

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Wed 27/8

09:50-22:15

1 stop11h 25m

Brussels Bruxelles-National

Wed 3/9

06:10-09:15

1 stop4h 05m

£243

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Thu 7/8

11:20-19:50

1 stop7h 30m

Charleroi Brussels

Sun 10/8

11:40-16:55

1 stop6h 15m

£312

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 5/12

09:00-17:00

2 stops7h 00m

Brussels Bruxelles-National

Sun 7/12

21:35-11:30

2 stops14h 55m

£456

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Mon 21/7

17:00-10:55

1 stop16h 55m

£129

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Wed 31/12

15:55-08:50

1 stop15h 55m

£135

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Tue 22/7

19:00-12:25

1 stop16h 25m

£160

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Mon 21/7

17:00-18:25

3 stops24h 25m

£228

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Best time to book a flight from Cardiff to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium 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 Belgium

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

Currently, January is the cheapest month in which you can book a flight from Cardiff to Belgium (average of £117). Flying from Cardiff to Belgium in July is currently the most expensive (average of £172). 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 Belgium

Get insights into the airlines that provide service to Belgium. 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 Belgium. Reviews last updated 15 July 2025.
See what other customers who have flown with KLM, Ryanair, andBritish Airways from Cardiff to Belgium have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Crew

8.4

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Belgium. 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 Belgium?

    For a flight from Cardiff to Belgium, you will be flying from Cardiff Wales. Cardiff Wales (CWL) is just 9.1 mi from the center of the city.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Belgium 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 Belgium?

    Currently, January is the cheapest month in which you can book a flight from Cardiff to Belgium (average of £117). Flying from Cardiff to Belgium in July is currently the most expensive (average of £172). 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

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Alternative routes for Cardiff to Belgium

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Cardiff to Belgium

Discover the top airline that operate flights from Cardiff to Belgium. 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 15 July 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£158Average£239FlexibilityNo 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 Belgium?

Cheapflights helps you search for flights from Cardiff to Belgium via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Belgium from Cardiff by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Need flexible booking options for your flight to Belgium from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belgium from Cardiff today and book when prices fit your budget.

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