Find flights
When to book
Airlines
FAQs

Cheap flights from Cardiff to Brussels from £85

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — BRU
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Brussels

Enter your travel dates to find the best prices.

Best flights from Cardiff to Brussels
Discover carefully curated flight deals from Cardiff to Brussels that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.

Fri 9/122:25CWL - BRU
1 stop9h 05mRyanair
Mon 12/117:25BRU - CWL
1 stop6h 40mRyanair
Deal found 16/12£85
Thu 29/110:30CWL - BRU
1 stop6h 45mMultiple Airlines
Thu 5/218:10BRU - CWL
2 stops22h 30mMultiple Airlines
Deal found 15/12£141
Thu 29/117:25CWL - BRU
1 stop13h 10mKLM
Thu 5/210:45BRU - CWL
1 stop7h 10mKLM
Deal found 15/12£236
Thu 29/110:30CWL - BRU
2 stops20h 40mRyanair
Thu 5/218:10BRU - CWL
2 stops22h 30mRyanair
Deal found 15/12£183
Fri 9/122:25CWL - BRU
3 stops21h 05mMultiple Airlines
Mon 12/117:25BRU - CWL
1 stop6h 40mMultiple Airlines
Deal found 16/12£198

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 18 December 2025.

Round-trip from

£85

Popular in

November

Cheapest in

October

Average price

£278
Ryanair
  • Ryanair
  • 9/1-12/1
  • 2 total stops
  • 15h 45m total
  • Cardiff to Brussels
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 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 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 18 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

Fri 9/1

22:25-08:30

1 stop9h 05m

Brussels Bruxelles-National

Mon 12/1

17:25-23:05

1 stop6h 40m

£85

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 29/1

10:30-18:15

1 stop6h 45m

Brussels Bruxelles-National

Thu 5/2

18:10-15:40

2 stops22h 30m

£141

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 29/1

10:30-08:10

2 stops20h 40m

Brussels Bruxelles-National

Thu 5/2

18:10-15:40

2 stops22h 30m

£183

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Fri 9/1

22:25-20:30

3 stops21h 05m

Brussels Bruxelles-National

Mon 12/1

17:25-23:05

1 stop6h 40m

£198

CardiffBrussels

CWL - BRU

CWLBRU

Cardiff Wales

Thu 29/1

17:25-07:35

1 stop13h 10m

Brussels Bruxelles-National

Thu 5/2

10:45-16:55

1 stop7h 10m

£236

Flights are sorted by cheapest return flights first.

Deals found on 16/12

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 18 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
1,428 reviews
Check prices

Comfort

7.6

Overall

7.7

Food

7.2

Boarding

7.8

Crew

8.4

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
1,428 reviews
KLM
7.7
Good
1,428 reviews
Check prices

Comfort

7.6

Overall

7.7

Food

7.2

Boarding

7.8

Crew

8.4

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 9h 05m. 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 (£173), 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

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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£173Average£253FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.