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Cheap flights from Dublin to Brussels from $30

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 11/9. 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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Find the cheapest flights from Dublin to Brussels

Cheap round-trip flights

Ryanair Logo
7:05 am - 9:45 amDUB-BRU
1h 40mnonstop
Ryanair Logo
10:20 am - 11:00 amBRU-DUB
1h 40mnonstop
$36Ryanair
Find Deal
Thu, Oct 2 - Thu, Oct 9
Ryanair Logo
6:25 pm - 9:05 pmDUB-BRU
1h 40mnonstop
Ryanair Logo
10:25 pm - 11:05 pmBRU-DUB
1h 40mnonstop
$38Ryanair
Find Deal
Thu, Oct 9 - Mon, Oct 13
Aer Lingus Logo
6:50 am - 9:40 amDUB-BRU
1h 50mnonstop
Aer Lingus Logo
9:20 pm - 9:55 pmBRU-DUB
1h 35mnonstop
$79Aer Lingus
Find Deal
Thu, Oct 9 - Mon, Oct 13
Aer Lingus Logo
6:50 am - 9:40 amDUB-BRU
1h 50mnonstop
Aer Lingus Logo
9:20 pm - 9:55 pmBRU-DUB
1h 35mnonstop
$80Aer Lingus
Find Deal
Thu, Oct 2 - Tue, Oct 7
Logo
6:50 am - 9:40 amDUB-BRU
1h 50mnonstop
Logo
9:45 am - 10:25 amBRU-DUB
1h 40mnonstop
$87
Find Deal
Sun, Oct 12 - Sun, Oct 19
Logo
3:30 pm - 6:15 pmDUB-BRU
1h 45mnonstop
Logo
5:00 pm - 5:45 pmBRU-DUB
1h 45mnonstop
$113
Find Deal
Mon, Feb 16 - Wed, Feb 25
KLM Logo
5:15 pm - 10:20 pmDUB-BRU
4h 05m1 stop
KLM Logo
8:05 am - 12:40 pmBRU-DUB
5h 35m1 stop
$198KLM
Find Deal
Sat, Nov 29 - Wed, Dec 10
KLM Logo
8:50 am - 2:15 pmDUB-BRU
4h 25m1 stop
KLM Logo
10:45 am - 4:20 pmBRU-DUB
6h 35m1 stop
$199KLM
Find Deal
Sun, Nov 16 - Wed, Nov 19
Lufthansa Logo
10:40 am - 5:15 pmDUB-BRU
5h 35m1 stop
Lufthansa Logo
6:45 am - 4:55 pmBRU-DUB
11h 10m1 stop
$210Lufthansa
Find Deal
Thu, Oct 9 - Mon, Oct 13
Lufthansa Logo
10:40 am - 5:15 pmDUB-BRU
5h 35m1 stop
Lufthansa Logo
9:35 am - 4:55 pmBRU-DUB
8h 20m1 stop
$211Lufthansa
Find Deal
Thu, Oct 9 - Mon, Oct 13

Ryanair flights from Dublin to Brussels Bruxelles-National Airport

Our best Ryanair deals on Dublin to Brussels Bruxelles-National Airport flight tickets
Ryanair
Oct 2
DUB7:05 amDublin
1h 40m
BRU9:45 amBrussels Bruxelles-National
Oct 9
BRU10:20 amBrussels Bruxelles-National
1h 40m
DUB11:00 amDublin
$36
Find similar
Ryanair
Oct 9
DUB6:25 pmDublin
1h 40m
BRU9:05 pmBrussels Bruxelles-National
Oct 13
BRU10:25 pmBrussels Bruxelles-National
1h 40m
DUB11:05 pmDublin
$38
Find similar
Ryanair
Oct 9
DUB7:05 amDublin
1h 40m
BRU9:45 amBrussels Bruxelles-National
Oct 14
BRU10:20 pmBrussels Bruxelles-National
1h 40m
DUB11:00 pmDublin
$39
Find similar

Aer Lingus flights from Dublin to Brussels Bruxelles-National Airport

Our best Aer Lingus deals on Dublin to Brussels Bruxelles-National Airport flight tickets
Aer Lingus
Oct 9
DUB6:50 amDublin
1h 50m
BRU9:40 amBrussels Bruxelles-National
Oct 13
BRU9:20 pmBrussels Bruxelles-National
1h 35m
DUB9:55 pmDublin
$79
Find similar
Aer Lingus
Oct 2
DUB6:50 amDublin
1h 50m
BRU9:40 amBrussels Bruxelles-National
Oct 7
BRU9:20 pmBrussels Bruxelles-National
1h 35m
DUB9:55 pmDublin
$80
Find similar
Aer Lingus
Nov 11
DUB6:50 amDublin
1h 45m
BRU9:35 amBrussels Bruxelles-National
Nov 14
BRU4:10 pmBrussels Bruxelles-National
1h 40m
DUB4:50 pmDublin
$81
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dublin to Brussels Bruxelles-National Airport 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, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Dublin to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 10/2

7:05 am-9:45 am

Nonstop1h 40m

Brussels Bruxelles-National

Thu 10/9

10:20 am-11:00 am

Nonstop1h 40m

$36

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 10/9

6:25 pm-9:05 pm

Nonstop1h 40m

Brussels Bruxelles-National

Mon 10/13

10:25 pm-11:05 pm

Nonstop1h 40m

$38

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 10/9

6:50 am-9:40 am

Nonstop1h 50m

Brussels Bruxelles-National

Mon 10/13

9:20 pm-9:55 pm

Nonstop1h 35m

$79

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 10/2

6:50 am-9:40 am

Nonstop1h 50m

Brussels Bruxelles-National

Tue 10/7

9:20 pm-9:55 pm

Nonstop1h 35m

$80

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 10/12

6:50 am-9:40 am

Nonstop1h 50m

Brussels Bruxelles-National

Sun 10/19

9:45 am-10:25 am

Nonstop1h 40m

$87

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 2/16

3:30 pm-6:15 pm

Nonstop1h 45m

Brussels Bruxelles-National

Wed 2/25

5:00 pm-5:45 pm

Nonstop1h 45m

$113

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 11/29

5:15 pm-10:20 pm

1 stop4h 05m

Brussels Bruxelles-National

Wed 12/10

8:05 am-12:40 pm

1 stop5h 35m

$198

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 11/16

8:50 am-2:15 pm

1 stop4h 25m

Brussels Bruxelles-National

Wed 11/19

10:45 am-4:20 pm

1 stop6h 35m

$199

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 10/9

10:40 am-5:15 pm

1 stop5h 35m

Brussels Bruxelles-National

Mon 10/13

6:45 am-4:55 pm

1 stop11h 10m

$210

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 10/9

10:40 am-5:15 pm

1 stop5h 35m

Brussels Bruxelles-National

Mon 10/13

9:35 am-4:55 pm

1 stop8h 20m

$211

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brussels from

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 $75, 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 $78.

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 $80. 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 afternoon. Flights from Dublin to Brussels Bruxelles-National Airport during this time can be as low as $89. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $158 on average. Flights to Brussels Bruxelles-National Airport from Dublin at noon 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 weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around $105 when searching 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 $80 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 have Dublin to Brussels Bruxelles-National Airport flight prices changed over time?

As of September 2025, prices for Dublin to Brussels Bruxelles-National Airport flights are approximately 25% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Brussels Bruxelles-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$61

Fastest flight time

1h 30m

Direct flights

Every day
The best one-way flight to Brussels Bruxelles-National Airport from Dublin in the past 72 hours is $61. The best round-trip flight deal from Dublin to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is $93.
The fastest flight from Dublin to Brussels Bruxelles-National Airport takes 1h 30m
Direct flights go from Dublin to Brussels Bruxelles-National Airport every day.
Search flight deals

  • 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?

  • 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?

  • What is the most popular airline from Dublin to Brussels Bruxelles-National Airport?

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
Aer LingusPriceFrom $37Free CancellationRating
7.2
1,270 reviews
Search Aer Lingus flights
RyanairPriceFrom $39Free CancellationRating
6.8
5,155 reviews
Search Ryanair flights

  • 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 $37 round-trip, up to an average price of $199. Our users have rated Aer Lingus at 7.2/10.

  • Ryanair Flights From Dublin to Brussels Bruxelles-National Airport

    Across 5,155 Ryanair reviews on momondo, the average score is 6.8/10. Ryanair flies from Dublin to Brussels Bruxelles-National Airport about 10 times each week, with ticket deals ranging from $39 to $101. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Leuven
Charleroi
Hasselt
Spa
Namur
Aalst
Dinant
Mons
Zaventem
Waterloo
Genk
Mechelen
Francorchamps
Knokke-Heist
Tournai
Durbuy
Oostkamp
Halle

Why use momondo?

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.

An easier way to manage your Brussels Bruxelles-National Airport trip

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