Cheap flights from Dublin to Brussels from €18
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Brussels departing on 4/8. 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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How to get the cheapest flight ticket from Dublin 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 typical price of a round-trip flight between Dublin and Brussels?
What is the cheapest month to fly to Brussels?
The month of January is, on average, the cheapest month to fly to Brussels from Dublin, with most prices found around €63. If you are unable to visit Brussels during the month of January, then departing from Dublin during the month September is also very affordable. Most momondo users find prices during this month for around €65.
What is the cheapest day to depart on your flight to Brussels?
On average, the least expensive day to fly to Brussels from Dublin is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as €99. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Brussels on Monday is €142.
What is the cheapest time of day to depart on your flight to Brussels?
In the afternoon is the cheapest time of day to fly from Dublin to Brussels when you can find flight prices for as low as €117. Flying to Brussels in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of €127.
What is the cheapest Dublin to Brussels flight route?
Fly from Dublin to Brussels Bruxelles-National for the best Dublin - Brussels flight prices
How far in advance should I book a flight to Brussels?
You are more likely to see cheaper flights to Brussels from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around €94 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Dublin for as low as €59 on momondo.
What cabin class options are available on Dublin to Brussels flights?
There are 1 cabin classes available to choose from on Dublin to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Dublin to Brussels on average per day?
The number of flights available between Dublin and Brussels is 6 per day as of July 2025. The most frequent departure time is 17:00, with 51% of daily flights leaving in the afternoon.
How many flights depart from Dublin to Brussels on average per week?
As of July 2025, 47 flights take off from Dublin and land in Brussels each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.
Cheap Dublin to Brussels flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to Brussels
How far is Dublin to Brussels by plane?
A flight from Dublin to Brussels will travel around 774.5 km. Flights usually cover this in 1h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Dublin Airport to Brussels?
Prices for flights from Dublin Airport to Brussels are refreshed on a daily basis.
How many operators does momondo search for flights from Dublin Airport to Brussels?
There is 1 operator available for flights from Dublin Airport to Brussels as of July 2025.
How old do you have to be to fly from Dublin Airport to Brussels?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Brussels.
What documentation or ID do you need to fly to Brussels?
The travel and health documents required for your trip to Brussels can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Brussels. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Dublin to Brussels
Compare and see reviews for airlines that fly from Dublin to Brussels with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €59 | Free Cancellation | Rating 7.1 1,150 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Dublin to Brussels?
Finding the right flight to Brussels from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Brussels quick and easy, saving you time and money.
Can I find flights from Dublin to Brussels with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Dublin to Brussels flights to just show those with flexible booking policies.
How can momondo help me find flights from Dublin to Brussels?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dublin to Brussels.
I’m not ready to book a flight from Dublin to Brussels right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Dublin 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.