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Cheap flights from Cardiff to Brussels from £109

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BRU
30 Mar — 6 Apr1
1 adult

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 25 March 2025.

Round-trip from

£135

Popular in

December

Cheapest in

September

Average price

£196
Ryanair
  • Ryanair
  • 8/5-15/5
  • 2 total stops
  • 22h 05m total
  • Cardiff to Brussels
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Highest demand for flights based on searches. 5% potential increase in price (£9 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 March 2025
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Find flight deals from Cardiff to Brussels

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 25 March 2025.

Mon 31/313:10CWL - CRL
2 stops23h 15mRyanair
Thu 3/412:55CRL - CWL
2 stops32h 35mRyanair
Deal found 24/3£145
Mon 5/513:10CWL - BRU
1 stop3h 55mRyanair
Mon 12/509:35BRU - CWL
1 stop4h 10mRyanair
Deal found 24/3£184
Thu 8/520:15CWL - BRU
2 stops12h 35mMultiple Airlines
Thu 15/521:40BRU - CWL
1 stop15h 20mMultiple Airlines
Deal found 24/3£213
Sun 8/617:15CWL - BRU
1 stop4h 00mKLM
Tue 10/606:10BRU - CWL
1 stop4h 05mKLM
Deal found 24/3£431
Mon 5/512:00CWL - BRU
2 stops30h 35mBritish Airways
Mon 12/521:15BRU - CWL
2 stops15h 15mBritish Airways
Deal found 24/3£520

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 25 March 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

Thu 8/5

20:15-09:50

2 stops12h 35m

Brussels Bruxelles-National

Thu 15/5

21:40-12:00

1 stop15h 20m

£213

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Sun 8/6

17:15-22:15

1 stop4h 00m

Brussels Bruxelles-National

Tue 10/6

06:10-09:15

1 stop4h 05m

£431

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Mon 5/5

12:00-19:35

2 stops30h 35m

Brussels Bruxelles-National

Mon 12/5

21:15-11:30

2 stops15h 15m

£520

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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, January is the cheapest month in which you can book a flight from Cardiff to Brussels (average of £117). Flying from Cardiff to Brussels 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.

What is the cheapest time of day to fly from CWL to BRU?

Find hourly flight availability from Cardiff to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

One of the essential ways to save on airfare from Cardiff to Brussels is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 18% on airfare.

Rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brussels ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. August is typically the driest time to visit Brussels when rainfall is around 40.0 mm.

Temperature in Brussels by month

Plan your trip to Brussels by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 3.0 C).

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 25 March 2025.
See what other customers who have flown with KLM, Ryanair and British Airways from Cardiff to Brussels have to say. 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
1,318 reviews
Check prices

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Ryanair
6.8
Okay
5,004 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,712 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Overall

7.8

Food

7.3

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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.

  • What are the cheapest airlines flying from Cardiff to Brussels round-trip?

    According to our current data, Ryanair (£135), KLM (£431), and British Airways (£520) offers the cheapest pricing from Cardiff to Brussels. Ryanair is priced at 35% 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, January is the cheapest month in which you can book a flight from Cardiff to Brussels (average of £117). Flying from Cardiff to Brussels 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£144Average£229FlexibilityNo 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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