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Cheap flights from Dublin to Brussels from £23

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 13/3. 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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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
06:20 - 09:05
DUB
-
BRU
1h 45mdirect
Ryanair Logo
09:10 - 09:55
BRU
-
DUB
1h 45mdirect
£34Ryanair
Sun, 8 Mar - Wed, 11 Mar
Ryanair Logo
06:20 - 09:05
DUB
-
BRU
1h 45mdirect
Ryanair Logo
09:40 - 10:25
BRU
-
DUB
1h 45mdirect
£39Ryanair
Mon, 2 Mar - Mon, 9 Mar
Aer Lingus Logo
06:50 - 09:35
DUB
-
BRU
1h 45mdirect
Aer Lingus Logo
10:15 - 11:00
BRU
-
DUB
1h 45mdirect
£49Aer Lingus
Mon, 16 Mar - Mon, 23 Mar
Multiple Airlines Logo
06:50 - 09:40
DUB
-
BRU
1h 50mdirect
Multiple Airlines Logo
09:35 - 10:20
BRU
-
DUB
1h 45mdirect
£64Multiple Airlines
Wed, 24 Jun - Mon, 29 Jun
Multiple Airlines Logo
06:50 - 09:40
DUB
-
BRU
1h 50mdirect
Multiple Airlines Logo
09:35 - 10:20
BRU
-
DUB
1h 45mdirect
£65Multiple Airlines
Wed, 24 Jun - Mon, 29 Jun
Ryanair Logo
06:20 - 09:05
DUB
-
BRU
1h 45mdirect
Ryanair Logo
09:50 - 10:35
BRU
-
DUB
1h 45mdirect
£66Ryanair
Sun, 15 Mar - Tue, 17 Mar
Ryanair Logo
05:50 - 08:35
DUB
-
BRU
1h 45mdirect
Ryanair Logo
09:40 - 10:25
BRU
-
DUB
1h 45mdirect
£79Ryanair
Wed, 11 Feb - Fri, 13 Feb
Ryanair Logo
06:20 - 09:05
DUB
-
BRU
1h 45mdirect
Ryanair Logo
20:25 - 07:30
BRU
-
DUB
12h 05m
1 stop
£82Ryanair
Mon, 16 Mar - Mon, 23 Mar
Multiple Airlines Logo
21:20 - 08:55
DUB
-
BRU
10h 35m
1 stop
Multiple Airlines Logo
09:10 - 09:55
BRU
-
DUB
1h 45mdirect
£83Multiple Airlines
Sun, 8 Mar - Wed, 11 Mar
Ryanair Logo
14:50 - 08:55
DUB
-
BRU
17h 05m
2 stops
Ryanair Logo
17:00 - 17:45
BRU
-
DUB
1h 45mdirect
£99Ryanair
Sun, 8 Mar - Wed, 11 Mar

SWISS flights from Dublin to Brussels Bruxelles-National Airport

Our best SWISS deals on Dublin to Brussels Bruxelles-National Airport flight tickets
SWISS
16 Jun
DUB18:35Dublin
18h 40m
1 stop
BRU14:15Brussels Bruxelles-National
1 Jul
BRU18:00Brussels Bruxelles-National
14h 55m
1 stop
DUB07:55Dublin
£176
SWISS
26 Mar
DUB18:35Dublin
13h 15m
1 stop
BRU08:50Brussels Bruxelles-National
29 Mar
BRU19:25Brussels Bruxelles-National
23h 25m
1 stop
DUB17:50Dublin
£177
SWISS
16 Mar
DUB13:20Dublin
8h 10m
2 stops
BRU22:30Brussels Bruxelles-National
23 Mar
BRU06:40Brussels Bruxelles-National
12h 05m
1 stop
DUB17:45Dublin
£191

British Airways flights from Dublin to Brussels Bruxelles-National Airport

Our best British Airways deals on Dublin to Brussels Bruxelles-National Airport flight tickets
British Airways
15 Jun
DUB20:30Dublin
12h 35m
1 stop
BRU10:05Brussels Bruxelles-National
1 Jul
BRU21:15Brussels Bruxelles-National
11h 30m
1 stop
DUB07:45Dublin
£184
British Airways
5 Mar
DUB20:40Dublin
11h 10m
1 stop
BRU08:50Brussels Bruxelles-National
8 Mar
BRU11:20Brussels Bruxelles-National
3h 55m
1 stop
DUB14:15Dublin
£196
British Airways
5 Mar
DUB20:40Dublin
11h 10m
1 stop
BRU08:50Brussels Bruxelles-National
8 Mar
BRU15:00Brussels Bruxelles-National
5h 45m
1 stop
DUB19:45Dublin
£196

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 1 February 2026.
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

Sun 8/3

06:20-09:05

Nonstop1h 45m

Brussels Bruxelles-National

Wed 11/3

09:10-09:55

Nonstop1h 45m

£34

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 2/3

06:20-09:05

Nonstop1h 45m

Brussels Bruxelles-National

Mon 9/3

09:40-10:25

Nonstop1h 45m

£39

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 16/3

06:50-09:35

Nonstop1h 45m

Brussels Bruxelles-National

Mon 23/3

10:15-11:00

Nonstop1h 45m

£49

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 24/6

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Mon 29/6

09:35-10:20

Nonstop1h 45m

£64

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 24/6

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Mon 29/6

09:35-10:20

Nonstop1h 45m

£65

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 15/3

06:20-09:05

Nonstop1h 45m

Brussels Bruxelles-National

Tue 17/3

09:50-10:35

Nonstop1h 45m

£66

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 11/2

05:50-08:35

Nonstop1h 45m

Brussels Bruxelles-National

Fri 13/2

09:40-10:25

Nonstop1h 45m

£79

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 16/3

06:20-09:05

Nonstop1h 45m

Brussels Bruxelles-National

Mon 23/3

20:25-07:30

1 stop12h 05m

£82

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 8/3

21:20-08:55

1 stop10h 35m

Brussels Bruxelles-National

Wed 11/3

09:10-09:55

Nonstop1h 45m

£83

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 8/3

14:50-08:55

2 stops17h 05m

Brussels Bruxelles-National

Wed 11/3

17:00-17:45

Nonstop1h 45m

£99

Flights are sorted by cheapest return 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 cheapest month to fly to Brussels Bruxelles-National Airport?

If you don’t want to visit Brussels Bruxelles-National Airport in January, then you should wait until September to fly from Dublin, when ticket prices are also cheap, with an average price of £56.

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

Our data shows that Sunday is the least expensive day to fly to Brussels Bruxelles-National Airport. Tickets to fly out on this day can be as low as £59. On the other hand, Saturday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £89.

What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?

Our data shows that the cheapest Dublin to Brussels Bruxelles-National Airport flights are usually those with departure times at midday. Our users have found flights to Brussels Bruxelles-National Airport at midday for as low as £64. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £73 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 travellers’ 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 £77 when searching weeks before you fly. 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 £58 on momondo.

What cabin class options are available on Dublin to Brussels Bruxelles-National flights?

There is only 1 cabin class 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 February 2026, prices for Dublin to Brussels Bruxelles-National Airport flights are approximately 38% cheaper 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 return 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

£46

Fastest flight time

1h 35m

Direct flights

Mon, Tue, Thu, Sat and Sun
The best flight deal from Dublin to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is £46
The fastest flight from Dublin to Brussels Bruxelles-National Airport takes 1h 35m
Direct flights go from Dublin to Brussels Bruxelles-National Airport on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
Search flight deals

  • How far is Dublin to Brussels Bruxelles-National by plane?

    The straight-line distance from Dublin to Brussels Bruxelles-National is 485.2 mi. 1h 35m is a normal flight duration for this route.

  • 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 refresh daily.

  • 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?

    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 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 necessary travel and health documents for your Brussels Bruxelles-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
RyanairPriceFrom £28Free CancellationRating
6.9
5,256 reviews
Search Ryanair flights
Aer LingusPriceFrom £28Free CancellationRating
7.2
1,444 reviews
Search Aer Lingus flights

  • Aer Lingus Flights From Dublin to Brussels Bruxelles-National Airport

    Aer Lingus operates around 13 flights from Dublin to Brussels Bruxelles-National Airport every week. The average price of these flights found in the last 72 hours has been £79, but momondo users have found Aer Lingus deals from Dublin to Brussels Bruxelles-National Airport from as low as £28 round-trip. Aer Lingus has been scored 7.2/10 in 1,444 reviews.

  • Ryanair Flights From Dublin to Brussels Bruxelles-National Airport

    Across 5,256 Ryanair reviews on momondo, the average score is 6.9/10. Ryanair flies from Dublin to Brussels Bruxelles-National Airport about 5 times each week, with ticket deals ranging from £28 to £65. Price data is based on momondo searches in the last 72 hours.

Travelling to a place near Brussels?

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

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Brussels?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Brussels . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Dublin to Brussels with flexible booking policies on momondo?

momondo does allow users to show only those flights to Brussels from Dublin which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Dublin to Brussels?

Once you have performed a search for Dublin 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 Dublin to Brussels right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Dublin to Brussels flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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

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