Cheap Flights from Cardiff to Brussels

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Flight deals from Cardiff to Brussels

Looking for a cheap last-minute deal or the best return flight from Cardiff to Brussels? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Cardiff to Brussels

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cardiff to Brussels flights are currently cheapest in April.

Alternative Cardiff to Brussels routes

Looking for the cheapest, fastest or easiest route from Cardiff to Brussels? You could fly into the following airports instead.

Cardiff to Brussels: Flight information

The things to know before you go.
Cheapest flight found145 €
Cheapest month to flyApril

Finding cheap flights from Cardiff to Brussels: Frequently asked questions

There are 5 airports in Brussels: Brussels International, Antwerp Deurne, Brussels S. Charleroi, Liege, and Kortrijk.
The best price we found for a return flight from Cardiff to Brussels is 145 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cardiff to Brussels. But we found flights with one or more stops from 145 €.
As of March 2025, there are no flights flying from Cardiff to Brussels.
The cheapest month to fly from Cardiff to Brussels is usually April.
If you're flying from Cardiff Airport, the cheapest airport near Brussels is Brussels International – which is 11.0 km away from the centre of Brussels. We've found flights into this airport from 145 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to Brussels on Sunday, 6 April 2025.
No airlines currently offer direct flights between Cardiff Airport and Brussels. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Brussels but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Brussels is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 6°C. July is typically the warmest month in Brussels, when it usually averages around 22°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging -0°C. The rainiest month is December.
Currently, Ryanair offers the cheapest flight tickets to Brussels.

Travelling from Cardiff Airport (CWL) to Brussels: what you need to know

  • Brussels is 1 hour ahead of Cardiff, where Cardiff Airport is located. Brussels operates on the UTC+1 timezone.

  • Give yourself enough time to make your flight from CWL to Brussels. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer lines during popular months such as June and other peak seasons. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • Stopovers are the ideal opportunity to take a break from travelling — and possibly even visit a new city. When searching for flights from CWL to Brussels, deselect the 'Direct flights only' box to see where you can visit along the way. Popular options include:

    • Dublin Airport (DUB)

    • Dubrovnik Airport (DBV)

    • Malaga Airport (AGP)

  • You can enter Belgium for tourism purposes without a visa if you have a passport from United Kingdom. But before reserving your cheap tickets from Cardiff Airport to Brussels, make sure you have the latest information. Visa rules can change, and you may require some travel documentation if your trip is for work or another reason.

  • Located around 27 kilometres from the centre of Cardiff, CWL can be reached in approximately 31 minutes by car, depending on traffic. The journey by public transport will take roughly 1 hour and 6 minutes.

  • Planning to catch an early flight from Cardiff Airport to Brussels? Avoid the last-minute rush to the airport (and get some extra shut-eye) by picking one of these stays close to CWL:

How to find the cheapest flights from Cardiff Airport (CWL) to Brussels

  • 71 € is the lowest price we've seen for a one-way ticket from Cardiff Airport to Brussels. For a return flight on this route, the best price is 145 €. Depending on how early you book and the availability, these fares could change.

  • It's often best to book as early as possible if you want to get cheap tickets from CWL to Brussels. That's because flight prices are based on demand, which tends to rise closer to departure.

  • If you're flexible with your travel plans, use the 'Whole month' tool. It'll find the lowest price in each month when looking for your ticket from Cardiff Airport to Brussels.

  • Create a Price Alert for cheap tickets from CWL to Brussels. There's no need to look every day to find out if prices have dropped. We'll tell you when there's a change in price.

  • Tailor your travel plans with filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Cardiff Airport to Brussels.

Airports in Brussels

Brussels Airport (BRU)

  • Brussels Airport (BRU) is around 14 kilometres from central Brussels. With your own car rental or if you're catching a cab, the drive is about 21 minutes.

  • Getting to the centre by public transport will take you roughly 39 minutes.

  • If you're coming in on a late flight from Cardiff Airport to Brussels, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and snoozing soon after at one of these hotels near BRU:

Brussels S. Charleroi Airport (CRL)

  • Brussels S. Charleroi Airport (CRL) is about 56 kilometres from central Brussels. Once you've hopped off your flight from Cardiff Airport to Brussels, it'll take you around 56 minutes to reach the heart of the city in a cab or ride-share.

  • You can also opt for public transport, which will take around 1 hour and 37 minutes.

  • Hang up the 'Do not disturb' sign and rest at a hotel near CRL. Here are a few options where you can take a load off after your flight from CWL to Brussels:

Best time to go to Brussels

  • July is the most popular month for flights from Cardiff Airport to Brussels. To steer clear of the crowds, head for Brussels in February when things are quieter.

  • The warmest month in Brussels is August, with the temperature ranging between 12ºC and 27ºC. Book your flights from Cardiff Airport to Brussels in this month if this is the type of weather you enjoy.

  • Search for cheap flights from CWL to Brussels in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -2ºC and 8ºC on average.

More about Brussels

  • After locking in your flight from Cardiff Airport to Brussels, think about where you want to stay in this city. Make one of these options your base for exploring Brussels:

  • There are so many things to explore in this city it can be tricky to know where to start. Grand Place, Atomium and Manneken Pis are popular attractions which should feature on any well-planned Brussels itinerary.

Complete your Brussels trip with a car rental

  • We use the same magic that helped you find your cheap flight from Cardiff Airport to Brussels to track down incredible deals on car rentals. Search for your ride in seconds and easily compare your options. Plus we give you everything you need to know about car rentals in Brussels, from the most popular rental company to the best time to book.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.