Which airline has the best punctuality record on Ireland to Brussels flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Ireland to Brussels?

Ryanair and KLM are the most popular carriers operating from Ireland to Brussels

How often are flights from Ireland to Brussels delayed?

Historically, on average around 15% of flights between Ireland and Brussels have experienced a delay on any given week. The average delay length over the past 12 months has been 104 minutes.

What is the most punctual flight time for Ireland to Brussels flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

How many flights depart from Ireland to Brussels on average per day?

As of January 2026, there are 4 flights per day flying from Ireland to Brussels. The most common time of day flights depart is 06:00, with 63% of flights taking off at midday.

How many flights depart from Ireland to Brussels on average per week?

The number of flights available between Ireland and Brussels is 32 per week as of January 2026. The most frequent departure day is Mon, with 22% of weekly flights leaving on this day.

When did momondo last update prices for flights from Ireland to Brussels?

Prices for flights from Ireland to Brussels are refreshed on a daily basis.

How many operators does momondo search for flights from Ireland to Brussels?

As of January 2026, there are 2 operators available to choose from for flights from Ireland to Brussels.

How old do you have to be to fly from Ireland to Brussels?

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.

What documentation or ID do you need to fly to Brussels?

The necessary travel and health documents for your Brussels 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.

£13 Cheap Flights from Ireland to Brussels in 2026

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Find the cheapest flights from Ireland to Brussels

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Recent return flight deals from Ireland to Brussels

Enter your travel dates to find the best prices.

06:05 - 08:50

DUB

BRU

1h 45mdirect

09:40 - 10:25

BRU

DUB

1h 45mdirect

£34Ryanair

Thu, 26 Feb - Mon, 2 Mar

05:50 - 08:35

DUB

BRU

1h 45mdirect

17:00 - 17:45

BRU

DUB

1h 45mdirect

£35Ryanair

Wed, 4 Mar - Wed, 11 Mar

06:05 - 08:50

DUB

BRU

1h 45mdirect

20:50 - 21:35

BRU

DUB

1h 45mdirect

£62Multiple Airlines

Fri, 6 Mar - Fri, 13 Mar

06:20 - 09:05

DUB

BRU

1h 45mdirect

13:20 - 14:05

BRU

DUB

1h 45mdirect

£68Ryanair

Sun, 15 Mar - Tue, 17 Mar

06:05 - 08:50

DUB

BRU

1h 45mdirect

18:30 - 19:15

BRU

DUB

1h 45mdirect

£69Ryanair

Fri, 30 Jan - Fri, 30 Jan

05:45 - 08:30

DUB

BRU

1h 45mdirect

16:45 - 17:30

BRU

DUB

1h 45mdirect

£77Ryanair

Sat, 31 Jan - Sat, 31 Jan

17:45 - 08:55

DUB

BRU

14h 10m

1 stop

17:00 - 17:45

BRU

DUB

1h 45mdirect

£78Multiple Airlines

Wed, 4 Mar - Wed, 11 Mar

12:30 - 08:55

DUB

BRU

19h 25m

2 stops

17:00 - 17:45

BRU

DUB

1h 45mdirect

£91Multiple Airlines

Wed, 4 Mar - Wed, 11 Mar

17:55 - 08:20

DUB

BRU

13h 25m

1 stop

20:50 - 21:35

BRU

DUB

1h 45mdirect

£101Multiple Airlines

Fri, 6 Mar - Fri, 13 Mar

13:25 - 07:35

DUB

BRU

17h 10m

1 stop

10:15 - 11:00

BRU

DUB

1h 45mdirect

£102Multiple Airlines

Thu, 26 Feb - Mon, 2 Mar

Scandinavian Airlines flights from Ireland to Brussels

Our best Scandinavian Airlines deals on Ireland to Brussels flight tickets

Scandinavian Airlines

18 Apr

DUB19:05Dublin

13h 35m

1 stop

BRU09:40Brussels Bruxelles-National

24 Apr

BRU19:10Brussels Bruxelles-National

15h 15m

1 stop

DUB09:25Dublin

£157

Scandinavian Airlines

26 Feb

DUB19:05Dublin

13h 35m

1 stop

BRU09:40Brussels Bruxelles-National

2 Mar

BRU20:30Brussels Bruxelles-National

16h 15m

1 stop

DUB11:45Dublin

£171

Scandinavian Airlines

20 Mar

DUB19:05Dublin

13h 35m

1 stop

BRU09:40Brussels Bruxelles-National

22 Mar

BRU20:30Brussels Bruxelles-National

16h 15m

1 stop

DUB11:45Dublin

£188

British Airways flights from Ireland to Brussels

Our best British Airways deals on Ireland to Brussels flight tickets

British Airways

2 Feb

DUB17:55Dublin

19h 00m

1 stop

BRU13:55Brussels Bruxelles-National

9 Feb

BRU11:50Brussels Bruxelles-National

8h 50m

1 stop

DUB19:40Dublin

£180

British Airways

2 Feb

DUB20:40Dublin

16h 15m

1 stop

BRU13:55Brussels Bruxelles-National

9 Feb

BRU17:30Brussels Bruxelles-National

24h 35m

1 stop

DUB17:05Dublin

£180

British Airways

18 Apr

DUB10:30Dublin

9h 40m

1 stop

BRU21:10Brussels Bruxelles-National

24 Apr

BRU21:30Brussels Bruxelles-National

11h 10m

1 stop

DUB07:40Dublin

£183

Fly from

Fly to

Route

Depart

Return

Price

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 26/2

06:05-08:50

Nonstop1h 45m

Brussels Bruxelles-National

Mon 2/3

09:40-10:25

Nonstop1h 45m

£34

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 4/3

05:50-08:35

Nonstop1h 45m

Brussels Bruxelles-National

Wed 11/3

17:00-17:45

Nonstop1h 45m

£35

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 6/3

06:05-08:50

Nonstop1h 45m

Brussels Bruxelles-National

Fri 13/3

20:50-21:35

Nonstop1h 45m

£62

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 15/3

06:20-09:05

Nonstop1h 45m

Brussels Bruxelles-National

Tue 17/3

13:20-14:05

Nonstop1h 45m

£68

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 30/1

06:05-08:50

Nonstop1h 45m

Brussels Bruxelles-National

Fri 30/1

18:30-19:15

Nonstop1h 45m

£69

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 31/1

05:45-08:30

Nonstop1h 45m

Brussels Bruxelles-National

Sat 31/1

16:45-17:30

Nonstop1h 45m

£77

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 4/3

17:45-08:55

1 stop14h 10m

Brussels Bruxelles-National

Wed 11/3

17:00-17:45

Nonstop1h 45m

£78

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 4/3

12:30-08:55

2 stops19h 25m

Brussels Bruxelles-National

Wed 11/3

17:00-17:45

Nonstop1h 45m

£91

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 6/3

17:55-08:20

1 stop13h 25m

Brussels Bruxelles-National

Fri 13/3

20:50-21:35

Nonstop1h 45m

£101

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 26/2

13:25-07:35

1 stop17h 10m

Brussels Bruxelles-National

Mon 2/3

10:15-11:00

Nonstop1h 45m

£102

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How to get the cheapest flight ticket from Ireland to Brussels

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Brussels?

In general, January is the cheapest month to fly from Ireland to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £48. If you are unable to visit Brussels during the month of January, then departing from Ireland during the month September is also very affordable. Most momondo users find prices during this month for around £57.

What is the cheapest day to depart on your flight to Brussels?

Our data shows that Sunday is the least expensive day to fly to Brussels. Tickets to fly out on this day can be as low as £60. On the other hand, Saturday is the most expensive day to depart from Ireland 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?

According to our data, the cheapest time of day to fly to Brussels is at midday. momondo users have found flights departing from Ireland to Brussels at midday for as low as £66. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Brussels, so prices are often more expensive at around £74 per ticket.

What is the cheapest Ireland to Brussels flight route?

Fly from Dublin to Charleroi Brussels for the best Ireland - Brussels flight prices

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around £78 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Ireland for as low as £61 on momondo.

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

There is only 1 cabin class available to choose from on Ireland to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Ireland to Brussels flight deals and tips

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

Fastest flight time	1h 35m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Brussels	2 airports

The fastest flight from Ireland to Brussels takes 1h 35m

Direct flights go from Ireland to Brussels on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

There are 2 airports in Brussels. From Ireland there are direct flights to Brussels Bruxelles-National (BRU).

Search flight deals

When did momondo last update prices for flights from Ireland to Brussels?
Prices for flights from Ireland to Brussels are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Brussels?
As of January 2026, there are 2 operators available to choose from for flights from Ireland to Brussels.
How old do you have to be to fly from Ireland to Brussels?
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.
What documentation or ID do you need to fly to Brussels?
The necessary travel and health documents for your Brussels 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.

Best airlines flying from Ireland to Brussels

Compare and see reviews for airlines that fly from Ireland to Brussels with momondo

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom £29	Free Cancellation	Rating 6.9 5,248 reviews		Search Ryanair flights
Aer Lingus	PriceFrom £29	Free Cancellation	Rating 7.2 1,437 reviews		Search Aer Lingus flights

Why use momondo?

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

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

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brussels from Ireland.

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.

An easier way to manage your Brussels trip

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Brussels Bruxelles-National Airport

Charleroi Brussels Airport

Cheap flights from Ireland to Brussels from £13

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 25/1. 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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Big names, great deals

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Find the cheapest flights from Ireland to Brussels

Recent return flight deals from Ireland to Brussels

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Scandinavian Airlines flights from Ireland to Brussels

Our best Scandinavian Airlines deals on Ireland to Brussels flight tickets

British Airways flights from Ireland to Brussels

Our best British Airways deals on Ireland to Brussels flight tickets

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Use the filters below to find and compare flights from Ireland to Brussels that are best for you.

See travel insights to Brussels from

How to get the cheapest flight ticket from Ireland to Brussels

What is the cheapest month to fly to Brussels?

What is the cheapest day to depart on your flight to Brussels?

What is the cheapest time of day to depart on your flight to Brussels?

What is the cheapest Ireland to Brussels flight route?

Fly from Dublin to Charleroi Brussels for the best Ireland - Brussels flight prices

How far in advance should I book a flight to Brussels?

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

There is only 1 cabin class available to choose from on Ireland to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Ireland to Brussels?

Ryanair and KLM are the most popular carriers operating from Ireland to Brussels

How often are flights from Ireland to Brussels delayed?

Historically, on average around 15% of flights between Ireland and Brussels have experienced a delay on any given week. The average delay length over the past 12 months has been 104 minutes.

What is the most punctual flight time for Ireland to Brussels flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ireland to Brussels flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

How many flights depart from Ireland to Brussels on average per day?

As of January 2026, there are 4 flights per day flying from Ireland to Brussels. The most common time of day flights depart is 06:00, with 63% of flights taking off at midday.

How many flights depart from Ireland to Brussels on average per week?

The number of flights available between Ireland and Brussels is 32 per week as of January 2026. The most frequent departure day is Mon, with 22% of weekly flights leaving on this day.

Cheap Ireland to Brussels flight deals and tips

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

Fastest flight time

Direct flights

Airports in Brussels

When did momondo last update prices for flights from Ireland to Brussels?

How many operators does momondo search for flights from Ireland to Brussels?

How old do you have to be to fly from Ireland to Brussels?

What documentation or ID do you need to fly to Brussels?

Best airlines flying from Ireland to Brussels

Compare and see reviews for airlines that fly from Ireland to Brussels with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Brussels trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels