Cheap flights from Cardiff to Brussels from £109
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Brussels departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights
Ryanair flights from Cardiff to Brussels
Our best Ryanair deals on Cardiff to Brussels flight tickets
KLM flights from Cardiff to Brussels
Our best KLM deals on Cardiff to Brussels flight tickets
See travel insights to Brussels from
How to get the cheapest flight ticket from Cardiff to Brussels
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Brussels?
In general, May is the cheapest month to fly from Cardiff to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £171. If you are unable to visit Brussels during the month of May, then departing from Cardiff during the month January is also very affordable. Most momondo users find prices during this month for around £175.
What is the cheapest day to depart on your flight to Brussels?
Our data shows that Tuesday is the least expensive day to fly to Brussels. Tickets to fly out on this day can be as low as £148. On the other hand, Sunday is the most expensive day to depart from Cardiff because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £240.
What is the cheapest airline that flies from Cardiff Wales to Brussels?
Ryanair is the most popular carrier operating from Cardiff Wales to Brussels
Which airlines fly to Brussels?
KLM, Ryanair and SWISS are the top three most popular airlines that fly to Brussels from Cardiff according to our data. KLM is the first choice among our users, with 92% of people opting to fly with this airline when travelling to Brussels. Keep in mind that there are 3 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.
Cheap Cardiff to Brussels flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Cardiff to Brussels
How far is Cardiff Wales to Brussels by plane?
There are 328.7 mi between Cardiff Wales and Brussels. In terms of flight time, this usually takes a little over 3h 55m.
When did momondo last update prices for flights from Cardiff Wales Airport to Brussels?
Prices for flights from Cardiff Wales Airport to Brussels were last updated today.
How many operators does momondo search for flights from Cardiff Wales Airport to Brussels?
As of May 2025, there is 1 operator available to choose from for flights from Cardiff Wales Airport to Brussels.
How old do you have to be to fly from Cardiff Wales Airport to Brussels?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cardiff Wales Airport to Brussels.
What documentation or ID do you need to fly to Brussels?
The required travel and health documents for your Brussels trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Brussels. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Cardiff to Brussels
Compare and see reviews for airlines that fly from Cardiff to Brussels with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £139 | Free Cancellation | Rating 7.8 1,334 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Cardiff to Brussels?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cardiff to Brussels. momondo saves you time and could save you money on your trip.
Can I find flights from Cardiff to Brussels with flexible booking policies on momondo?
momondo does allow users to show only those flights to Brussels from Cardiff which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Cardiff to Brussels?
Once you have performed a search for Cardiff to Brussels flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Cardiff to Brussels right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Cardiff to Brussels now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Brussels and let you know when they change.