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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 20/11. 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
05:45 - 08:30DUB-BRU
1h 45mdirect
Ryanair Logo
09:40 - 10:25BRU-DUB
1h 45mdirect
€30Ryanair
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Sat, 15 Nov - Mon, 17 Nov
Ryanair Logo
05:45 - 08:30DUB-BRU
1h 45mdirect
Ryanair Logo
09:40 - 10:25BRU-DUB
1h 45mdirect
€31Ryanair
Find Deal
Sat, 15 Nov - Mon, 17 Nov
Multiple Airlines Logo
06:50 - 09:35DUB-BRU
1h 45mdirect
Multiple Airlines Logo
09:40 - 10:25BRU-DUB
1h 45mdirect
€65Multiple Airlines
Find Deal
Sat, 15 Nov - Mon, 17 Nov
Multiple Airlines Logo
05:45 - 08:30DUB-BRU
1h 45mdirect
Multiple Airlines Logo
18:55 - 19:40BRU-DUB
1h 45mdirect
€70Multiple Airlines
Find Deal
Sat, 15 Nov - Mon, 17 Nov
Aer Lingus Logo
06:50 - 09:35DUB-BRU
1h 45mdirect
Aer Lingus Logo
10:15 - 11:00BRU-DUB
1h 45mdirect
€77Aer Lingus
Find Deal
Sat, 15 Nov - Mon, 17 Nov
Aer Lingus Logo
06:50 - 09:35DUB-BRU
1h 45mdirect
Aer Lingus Logo
18:55 - 19:40BRU-DUB
1h 45mdirect
€86Aer Lingus
Find Deal
Mon, 17 Nov - Mon, 17 Nov
KLM Logo
17:15 - 07:35ORK-BRU
13h 20m1 stop
KLM Logo
14:45 - 23:25BRU-ORK
9h 40m1 stop
€265KLM
Find Deal
Thu, 6 Nov - Wed, 12 Nov
KLM Logo
11:15 - 10:10ORK-BRU
21h 55m1 stop
KLM Logo
14:45 - 10:45BRU-ORK
21h 00m1 stop
€266KLM
Find Deal
Tue, 2 Dec - Tue, 9 Dec
British Airways Logo
17:35 - 08:45ORK-BRU
14h 10m1 stop
British Airways Logo
20:45 - 11:10BRU-ORK
15h 25m1 stop
€309British Airways
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Fri, 7 Nov - Mon, 10 Nov
British Airways Logo
07:40 - 19:35ORK-BRU
10h 55m1 stop
British Airways Logo
11:50 - 23:25BRU-ORK
12h 35m1 stop
€318British Airways
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Thu, 6 Nov - Wed, 12 Nov

Ryanair flights from Ireland to Brussels Bruxelles-National Airport

Our best Ryanair deals on Ireland to Brussels Bruxelles-National Airport flight tickets
Ryanair
15 Nov
DUB05:45Dublin
1h 45m
BRU08:30Brussels Bruxelles-National
17 Nov
BRU09:40Brussels Bruxelles-National
1h 45m
DUB10:25Dublin
€30
Find similar
Ryanair
15 Nov
DUB05:45Dublin
1h 45m
BRU08:30Brussels Bruxelles-National
17 Nov
BRU09:40Brussels Bruxelles-National
1h 45m
DUB10:25Dublin
€31
Find similar
Ryanair
20 Nov
DUB06:05Dublin
1h 45m
BRU08:50Brussels Bruxelles-National
24 Nov
BRU09:40Brussels Bruxelles-National
1h 45m
DUB10:25Dublin
€35
Find similar

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
15 Nov
DUB06:50Dublin
1h 45m
BRU09:35Brussels Bruxelles-National
17 Nov
BRU10:15Brussels Bruxelles-National
1h 45m
DUB11:00Dublin
€77
Find similar
Aer Lingus
17 Nov
DUB06:50Dublin
1h 45m
BRU09:35Brussels Bruxelles-National
17 Nov
BRU18:55Brussels Bruxelles-National
1h 45m
DUB19:40Dublin
€86
Find similar
Aer Lingus
13 Nov
DUB06:50Dublin
1h 45m
BRU09:35Brussels Bruxelles-National
17 Nov
BRU10:15Brussels Bruxelles-National
1h 45m
DUB11:00Dublin
€87
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 20 October 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

Sat 15/11

05:45-08:30

Nonstop1h 45m

Brussels Bruxelles-National

Mon 17/11

09:40-10:25

Nonstop1h 45m

€30

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 15/11

05:45-08:30

Nonstop1h 45m

Brussels Bruxelles-National

Mon 17/11

09:40-10:25

Nonstop1h 45m

€31

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 15/11

06:50-09:35

Nonstop1h 45m

Brussels Bruxelles-National

Mon 17/11

09:40-10:25

Nonstop1h 45m

€65

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 15/11

05:45-08:30

Nonstop1h 45m

Brussels Bruxelles-National

Mon 17/11

18:55-19:40

Nonstop1h 45m

€70

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 15/11

06:50-09:35

Nonstop1h 45m

Brussels Bruxelles-National

Mon 17/11

10:15-11:00

Nonstop1h 45m

€77

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 17/11

06:50-09:35

Nonstop1h 45m

Brussels Bruxelles-National

Mon 17/11

18:55-19:40

Nonstop1h 45m

€86

CorkBrussels

ORK - BRU

ORKBRU

Cork

Thu 6/11

17:15-07:35

1 stop13h 20m

Brussels Bruxelles-National

Wed 12/11

14:45-23:25

1 stop9h 40m

€265

CorkBrussels

ORK - BRU

ORKBRU

Cork

Tue 2/12

11:15-10:10

1 stop21h 55m

Brussels Bruxelles-National

Tue 9/12

14:45-10:45

1 stop21h 00m

€266

CorkBrussels

ORK - BRU

ORKBRU

Cork

Fri 7/11

17:35-08:45

1 stop14h 10m

Brussels Bruxelles-National

Mon 10/11

20:45-11:10

1 stop15h 25m

€309

CorkBrussels

ORK - BRU

ORKBRU

Cork

Thu 6/11

07:40-19:35

1 stop10h 55m

Brussels Bruxelles-National

Wed 12/11

11:50-23:25

1 stop12h 35m

€318

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 €66.

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 Monday as prices are generally higher than usual. According to our data, the average ticket price to Brussels Bruxelles-National Airport on Monday is €214.

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 €117. Flights to Brussels Bruxelles-National Airport are more costly in the morning, with an average ticket price of €137. 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 €93 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 €75 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

€37

Fastest flight time

1h 40m

Direct flights

Every day
The best one-way flight to Brussels Bruxelles-National Airport from Ireland in the past 72 hours is €37. The best return flight deal from Ireland to Brussels Bruxelles-National Airport found on momondo in the last 72 hours is €96.
The fastest flight from Ireland to Brussels Bruxelles-National Airport takes 1h 40m
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 €61Free CancellationRating
7.2
1,348 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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