Cheap flights from Dublin to Brussels from $34
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 9/20. 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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Ryanair flights from Dublin to Brussels Bruxelles-National Airport
Our best Ryanair deals on Dublin to Brussels Bruxelles-National Airport flight tickets
SWISS flights from Dublin to Brussels Bruxelles-National Airport
Our best SWISS deals on Dublin to Brussels Bruxelles-National Airport flight tickets
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How to get the cheapest flight ticket from Dublin to Brussels Bruxelles-National Airport
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 Bruxelles-National Airport?
What is the cheapest month to fly to Brussels Bruxelles-National Airport?
The cheapest month to fly to Brussels Bruxelles-National Airport from Dublin is in January. Flight prices, which tend to average around $74, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Brussels Bruxelles-National Airport from Dublin during September instead. Flights to Brussels Bruxelles-National Airport in September, while not as cheap as those in January, still average around $77.
What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?
The cheapest day to depart from Dublin to Brussels Bruxelles-National Airport is on a Wednesday. Travelers who choose to depart for Brussels Bruxelles-National Airport on a Wednesday will often find tickets for as low as $78. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Dublin to Brussels Bruxelles-National Airport for around $152.
What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?
Our most recent data shows that the best time of day to fly to Brussels Bruxelles-National Airport is in the evening. Flights from Dublin to Brussels Bruxelles-National Airport during this time can be as low as $86. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $125 on average. Flights to Brussels Bruxelles-National Airport from Dublin in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Dublin to Brussels Bruxelles-National flight route?
Fly from Dublin to Brussels Bruxelles-National for the best Dublin - Brussels Bruxelles-National flight prices
How far in advance should I book a flight to Brussels Bruxelles-National Airport?
You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from Dublin when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around $111 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels Bruxelles-National Airport from Dublin for as low as $69 on momondo.
What cabin class options are available on Dublin to Brussels Bruxelles-National flights?
There are 2 cabin classes available to choose from on Dublin to Brussels Bruxelles-National 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 Bruxelles-National Airport on average per day?
As of June 2025, there are 5 flights per day flying from Dublin to Brussels Bruxelles-National Airport. The most common time of day flights depart is 5:00PM, with 53% of flights taking off in the afternoon.
How many flights depart from Dublin to Brussels Bruxelles-National Airport on average per week?
The number of flights available between Dublin and Brussels Bruxelles-National Airport is 39 per week as of June 2025. The most frequent departure day is Thu, with 23% of weekly flights leaving on this day.
When to book flights from Dublin to Brussels Bruxelles-National Airport
Cheap Dublin to Brussels Bruxelles-National Airport (DUB to BRU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dublin to Brussels Bruxelles-National Airport
How far is Dublin to Brussels Bruxelles-National by plane?
A flight from Dublin to Brussels Bruxelles-National will travel around 485.2 mi. 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 Bruxelles-National Airport?
Prices for flights from Dublin Airport to Brussels Bruxelles-National Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Dublin Airport to Brussels Bruxelles-National Airport?
As of June 2025, there are 2 operators available to choose from for flights from Dublin Airport to Brussels Bruxelles-National Airport.
How old do you have to be to fly from Dublin Airport to Brussels Bruxelles-National Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Brussels Bruxelles-National Airport.
What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?
The required travel and health documents for your Brussels Bruxelles-National Airport 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 Bruxelles-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Dublin to Brussels Bruxelles-National Airport?
Based on momondo bookings for flights between Dublin and Brussels Bruxelles-National Airport, the leading plane model is Airbus A320-100/200, making up 37.29% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 29.43%, Boeing 737 MAX 8 with 18.39%, and Boeing 757-200 with 4.01%.
What is the most popular airline from Dublin to Brussels Bruxelles-National Airport?
Based on momondo bookings for flights between Dublin and Brussels Bruxelles-National Airport, the leading airline is Ryanair, making up 82% of the total bookings. Other popular airlines include Aer Lingus with 18%.
Best airlines flying from Dublin to Brussels Bruxelles-National Airport
Compare and see reviews for airlines that fly from Dublin to Brussels Bruxelles-National Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $38 | Free Cancellation | Rating 6.8 5,121 reviews | |||
| PriceFrom $75 | Free Cancellation | Rating 7.1 1,117 reviews |
Aer Lingus Flights From Dublin to Brussels Bruxelles-National Airport
Aer Lingus is one of the most popular airlines flying from Dublin to Brussels Bruxelles-National Airport, operating 12 flights/week on average for this route. A good Aer Lingus flight deal for Dublin to Brussels Bruxelles-National Airport starts from $75 round-trip, up to an average price of $149. Our users have rated Aer Lingus at 7.1/10.
Ryanair Flights From Dublin to Brussels Bruxelles-National Airport
Across 5,121 Ryanair reviews on momondo, the average score is 6.8/10. Ryanair flies from Dublin to Brussels Bruxelles-National Airport about 5 times each week, with ticket deals ranging from $38 to $82. Price data is based on momondo searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Dublin to Brussels?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Brussels from Dublin.
Can I find flights from Dublin to Brussels with flexible booking policies on momondo?
Yes. All flights to Brussels from Dublin on momondo can be compared and filtered by various policies on offer, including flexible booking.
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 simply researching potential flights to Brussels, momondo offers a useful price alert feature which will track prices for flights to Brussels from Dublin and alert you when they change.