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Cheap flights from Ireland to Brussels from €24

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Brussels departing on 3/12. 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 Ireland to Brussels

Recent return flight deals from Ireland to Brussels

Enter your travel dates to find the best prices.
Ryanair Logo
06:20 - 09:05DUB-BRU
1h 45mdirect
Ryanair Logo
09:25 - 10:10BRU-DUB
1h 45mdirect
€62Ryanair
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Sun, 16 Nov - Thu, 20 Nov
Ryanair Logo
06:25 - 09:10DUB-BRU
1h 45mdirect
Ryanair Logo
18:25 - 19:10BRU-DUB
1h 45mdirect
€63Ryanair
Find Deal
Tue, 18 Nov - Tue, 18 Nov
Ryanair Logo
05:50 - 08:35DUB-BRU
1h 45mdirect
Ryanair Logo
17:00 - 17:45BRU-DUB
1h 45mdirect
€64Ryanair
Find Deal
Wed, 19 Nov - Wed, 19 Nov
Multiple Airlines Logo
06:50 - 09:35DUB-BRU
1h 45mdirect
Multiple Airlines Logo
09:05 - 09:50BRU-DUB
1h 45mdirect
€66Multiple Airlines
Find Deal
Fri, 6 Feb - Sat, 7 Feb
Multiple Airlines Logo
06:50 - 09:35DUB-BRU
1h 45mdirect
Multiple Airlines Logo
18:25 - 19:10BRU-DUB
1h 45mdirect
€87Multiple Airlines
Find Deal
Fri, 26 Dec - Tue, 30 Dec
Aer Lingus Logo
06:50 - 09:35DUB-BRU
1h 45mdirect
Aer Lingus Logo
10:15 - 11:00BRU-DUB
1h 45mdirect
€98Aer Lingus
Find Deal
Fri, 6 Feb - Sun, 8 Feb
KLM Logo
17:15 - 22:20ORK-BRU
4h 05m1 stop
KLM Logo
06:15 - 10:45BRU-ORK
5h 30m1 stop
€253KLM
Find Deal
Fri, 21 Nov - Mon, 24 Nov
KLM Logo
17:15 - 22:20ORK-BRU
4h 05m1 stop
KLM Logo
08:05 - 10:45BRU-ORK
3h 40m1 stop
€259KLM
Find Deal
Sat, 28 Feb - Sat, 14 Mar
British Airways Logo
20:05 - 08:45SNN-BRU
11h 40m1 stop
British Airways Logo
15:00 - 19:25BRU-SNN
5h 25m1 stop
€381British Airways
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Fri, 21 Nov - Thu, 27 Nov
British Airways Logo
20:05 - 19:30SNN-BRU
22h 25m1 stop
British Airways Logo
20:30 - 16:45BRU-SNN
21h 15m1 stop
€949British Airways
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Thu, 4 Dec - Wed, 10 Dec

Aer Lingus flights from Ireland to Brussels Bruxelles-National Airport

Our best Aer Lingus deals on Ireland to Brussels Bruxelles-National Airport flight tickets
Aer Lingus
6 Feb
DUB06:50Dublin
1h 45m
BRU09:35Brussels Bruxelles-National
8 Feb
BRU10:15Brussels Bruxelles-National
1h 45m
DUB11:00Dublin
€98
Find similar
Aer Lingus
20 Nov
DUB06:50Dublin
1h 45m
BRU09:35Brussels Bruxelles-National
24 Nov
BRU10:15Brussels Bruxelles-National
1h 45m
DUB11:00Dublin
€127
Find similar

Ryanair flights from Ireland to Brussels Bruxelles-National Airport

Our best Ryanair deals on Ireland to Brussels Bruxelles-National Airport flight tickets
Ryanair
16 Nov
DUB06:20Dublin
1h 45m
BRU09:05Brussels Bruxelles-National
20 Nov
BRU09:25Brussels Bruxelles-National
1h 45m
DUB10:10Dublin
€62
Find similar
Ryanair
18 Nov
DUB06:25Dublin
1h 45m
BRU09:10Brussels Bruxelles-National
18 Nov
BRU18:25Brussels Bruxelles-National
1h 45m
DUB19:10Dublin
€63
Find similar
Ryanair
19 Nov
DUB05:50Dublin
1h 45m
BRU08:35Brussels Bruxelles-National
19 Nov
BRU17:00Brussels Bruxelles-National
1h 45m
DUB17:45Dublin
€64
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland 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 13,528 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from Ireland to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 16/11

06:20-09:05

Nonstop1h 45m

Brussels Bruxelles-National

Thu 20/11

09:25-10:10

Nonstop1h 45m

€62

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 18/11

06:25-09:10

Nonstop1h 45m

Brussels Bruxelles-National

Tue 18/11

18:25-19:10

Nonstop1h 45m

€63

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 19/11

05:50-08:35

Nonstop1h 45m

Brussels Bruxelles-National

Wed 19/11

17:00-17:45

Nonstop1h 45m

€64

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 6/2

06:50-09:35

Nonstop1h 45m

Brussels Bruxelles-National

Sat 7/2

09:05-09:50

Nonstop1h 45m

€66

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 26/12

06:50-09:35

Nonstop1h 45m

Brussels Bruxelles-National

Tue 30/12

18:25-19:10

Nonstop1h 45m

€87

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 6/2

06:50-09:35

Nonstop1h 45m

Brussels Bruxelles-National

Sun 8/2

10:15-11:00

Nonstop1h 45m

€98

CorkBrussels

ORK - BRU

ORKBRU

Cork

Fri 21/11

17:15-22:20

1 stop4h 05m

Brussels Bruxelles-National

Mon 24/11

06:15-10:45

1 stop5h 30m

€253

CorkBrussels

ORK - BRU

ORKBRU

Cork

Sat 28/2

17:15-22:20

1 stop4h 05m

Brussels Bruxelles-National

Sat 14/3

08:05-10:45

1 stop3h 40m

€259

ShannonBrussels

SNN - BRU

SNNBRU

Shannon

Fri 21/11

20:05-08:45

1 stop11h 40m

Brussels Bruxelles-National

Thu 27/11

15:00-19:25

1 stop5h 25m

€381

ShannonBrussels

SNN - BRU

SNNBRU

Shannon

Thu 4/12

20:05-19:30

1 stop22h 25m

Brussels Bruxelles-National

Wed 10/12

20:30-16:45

1 stop21h 15m

€949

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 Ireland 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?

In general, January is the cheapest month to fly from Ireland to Brussels Bruxelles-National Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €64. If you aren’t able to travel to Brussels Bruxelles-National Airport during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of €67.

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

The cheapest day to depart on your flight to Brussels Bruxelles-National Airport is on a Wednesday when prices can be found for as low as €102. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Brussels Bruxelles-National Airport on Sunday is €159.

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

Our data shows that the cheapest Ireland to Brussels Bruxelles-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Brussels Bruxelles-National Airport in the afternoon for as low as €115. Flights to Brussels Bruxelles-National Airport are more costly in the morning, with an average ticket price of €138. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ireland to Brussels Bruxelles-National flight route?

Fly from Dublin to Brussels Bruxelles-National for the best Ireland - 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 Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport 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 Bruxelles-National Airport from Ireland for as low as €76 on momondo.

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

There is only 1 cabin class available to choose from on Ireland 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.

Can stopping save me money on Ireland to Brussels Bruxelles-National Airport flights?

No. A direct flight is the cheapest option for a flight between Ireland to Brussels Bruxelles-National Airport.

Cheap Ireland to Brussels Bruxelles-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Brussels Bruxelles-National Airport

Best price found

€38

Fastest flight time

1h 45m

Direct flights

Every day
The best one-way flight to Brussels Bruxelles-National Airport from Ireland in the past 72 hours is €38. The best return flight deal from Ireland to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is €95.
The fastest flight from Ireland to Brussels Bruxelles-National Airport takes 1h 45m
Direct flights go from Ireland to Brussels Bruxelles-National Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Ireland to Brussels Bruxelles-National Airport?

    Prices for flights from Ireland to Brussels Bruxelles-National Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ireland to Brussels Bruxelles-National Airport?

  • How old do you have to be to fly from Ireland to Brussels Bruxelles-National Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Brussels Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The travel and health documents you'll need for your trip to Brussels Bruxelles-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Brussels Bruxelles-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ireland to Brussels Bruxelles-National Airport?

Best airlines flying from Ireland to Brussels Bruxelles-National Airport

Compare and see reviews for airlines that fly from Ireland to Brussels Bruxelles-National Airport with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €62Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights

Travelling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Leuven
Ghent
Aalst
Namur
Charleroi
Oostkamp
Spa

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Brussels. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Brussels from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Ireland and Brussels by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Ireland to Brussels right now. Can momondo alert me if prices change?

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

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