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Cheap flights from Cardiff to Belgium from £73

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 22/12. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BRU
1 Jan — 8 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Cardiff to Belgium

Enter your travel dates to find the best prices.

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 2 December 2025.

Tue 2/1216:45CWL - CRL
2 stops38h 15mMultiple Airlines
Tue 9/1206:25CRL - CWL
1 stop32h 00mMultiple Airlines
Deal found 1/12£267
Sat 13/1217:25CWL - BRU
1 stop3h 55mKLM
Mon 15/1206:15BRU - CWL
1 stop4h 35mKLM
Deal found 28/11£326
Sat 13/1212:00CWL - BRU
2 stops27h 35mBritish Airways
Mon 15/1217:30BRU - CWL
2 stops19h 00mBritish Airways
Deal found 28/11£602

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 2 December 2025.

Round-trip from

£100

One-way from

£73

Popular in

September

Cheapest in

October

Average price

£278
Ryanair
  • Ryanair
  • 16/1-19/1
  • 2 total stops
  • 23h 30m total
  • Cardiff to Belgium
Search Deals
22/12
  • 22/12
  • 2 total stops
  • 15h 10m total
  • Cardiff to Belgium
Search Deals
High demand for flights, 7% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 2 December 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

Fri 16/1

22:25-08:30

1 stop9h 05m

Brussels Bruxelles-National

Mon 19/1

09:40-23:05

1 stop14h 25m

£100

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Fri 16/1

22:25-22:20

2 stops22h 55m

Charleroi Brussels

Mon 19/1

13:10-23:05

1 stop10h 55m

£107

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Tue 13/1

16:45-21:15

2 stops27h 30m

Brussels Bruxelles-National

Tue 20/1

21:55-15:30

2 stops18h 35m

£147

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 28/5

22:25-09:30

1 stop10h 05m

Brussels Bruxelles-National

Wed 3/6

20:15-08:35

1 stop13h 20m

£162

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Fri 16/1

16:05-20:45

2 stops27h 40m

Charleroi Brussels

Mon 19/1

19:45-16:05

3 stops21h 20m

£178

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Thu 28/5

22:25-22:30

2 stops23h 05m

Charleroi Brussels

Wed 3/6

19:00-08:35

1 stop14h 35m

£202

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 16/1

16:05-16:10

2 stops23h 05m

Brussels Bruxelles-National

Mon 19/1

12:40-16:05

3 stops28h 25m

£203

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Thu 28/5

16:20-08:55

1 stop15h 35m

Charleroi Brussels

Wed 3/6

19:00-08:35

1 stop14h 35m

£244

CardiffBrussels

CWL - CRL

CWLCRL

Cardiff Wales

Mon 22/12

23:30-15:40

2 stops15h 10m

£73

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 22/12

23:30-17:50

1 stop17h 20m

£73

Flights are sorted by cheapest return flights first.

Deals found on 30/11

Showing 1-10 of 15 results
1
2

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, October is the cheapest month in which you can book a flight from Cardiff to Belgium (average of £60). Flying from Cardiff to Belgium in January is currently the most expensive (average of £177). 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 2 December 2025.
See what other customers who have flown with KLM 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.
KLM
7.7
Good
1,425 reviews
Check prices

Comfort

7.6

Overall

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.2

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
1,425 reviews
KLM
7.7
Good
1,425 reviews
Check prices

Comfort

7.6

Overall

7.7

Crew

8.4

Entertainment

7.1

Boarding

7.8

Food

7.2

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 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.

  • How long is the flight from Cardiff to Belgium?

    Departing from Cardiff to Belgium will take you 9h 05m. The distance from Cardiff to Belgium is about 341 mi.

  • 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, October is the cheapest month in which you can book a flight from Cardiff to Belgium (average of £60). Flying from Cardiff to Belgium in January is currently the most expensive (average of £177). 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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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 2 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£175Average£257FlexibilityNo 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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