How often are flights from Ireland to Belgium delayed?

Historically, on average around 14% of flights between Ireland and Belgium have experienced a delay on any given week. The average delay length over the past 12 months has been 104 minutes.

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

As of February 2026, there are 6 flights per day flying from Ireland to Belgium. The most common time of day flights depart is 06:00, with 59% of flights taking off at midday.

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

45 flights are operational weekly from Ireland to Belgium as of February 2026. The most popular departure day for this route is Fri, with 22% of flights per week taking off on this day.

What is the most punctual flight time for Ireland to Belgium 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.

Which airline has the best punctuality record on Ireland to Belgium 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 Belgium?

Ryanair, Aer Lingus, and Scandinavian Airlines are the most popular carriers operating from Ireland to Belgium

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

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

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

The number of operators available for flights from Ireland to Belgium is 2 as of February 2026.

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

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 Belgium.

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

The necessary travel and health documents for your Belgium 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 Belgium in 2026

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Recent return flight deals from Ireland to Belgium

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06:20 - 09:05

DUB

BRU

1h 45mdirect

09:10 - 09:55

BRU

DUB

1h 45mdirect

£33Ryanair

Sun, 8 Mar - Wed, 11 Mar

06:20 - 09:05

DUB

BRU

1h 45mdirect

09:35 - 10:20

BRU

DUB

1h 45mdirect

£40Ryanair

Mon, 23 Mar - Mon, 30 Mar

06:25 - 09:10

DUB

BRU

1h 45mdirect

14:50 - 15:35

BRU

DUB

1h 45mdirect

£45Ryanair

Tue, 12 May - Thu, 14 May

06:25 - 09:10

DUB

BRU

1h 45mdirect

10:20 - 11:05

BRU

DUB

1h 45mdirect

£54Ryanair

Tue, 19 May - Thu, 21 May

06:05 - 08:50

DUB

BRU

1h 45mdirect

18:30 - 19:15

BRU

DUB

1h 45mdirect

£63Ryanair

Fri, 20 Mar - Fri, 27 Mar

06:20 - 09:05

DUB

BRU

1h 45mdirect

17:20 - 00:55

BRU

DUB

8h 35m

1 stop

£74Ryanair

Mon, 23 Mar - Mon, 30 Mar

06:15 - 09:00

DUB

BRU

1h 45mdirect

09:35 - 10:20

BRU

DUB

1h 45mdirect

£75Ryanair

Mon, 22 Jun - Mon, 29 Jun

11:00 - 20:30

DUB

BRU

8h 30m

1 stop

14:50 - 15:35

BRU

DUB

1h 45mdirect

£88Multiple Airlines

Tue, 12 May - Thu, 14 May

21:20 - 08:10

DUB

BRU

9h 50m

1 stop

09:10 - 09:55

BRU

DUB

1h 45mdirect

£91Ryanair

Sun, 8 Mar - Wed, 11 Mar

11:00 - 20:30

DUB

BRU

8h 30m

1 stop

10:20 - 11:05

BRU

DUB

1h 45mdirect

£97Multiple Airlines

Tue, 19 May - Thu, 21 May

KLM flights from Ireland to Belgium

Our best KLM deals on Ireland to Belgium flight tickets

KLM

6 Mar

DUB17:15Dublin

4h 05m

1 stop

BRU22:20Brussels Bruxelles-National

20 Mar

BRU10:45Brussels Bruxelles-National

6h 35m

1 stop

DUB16:20Dublin

£147

KLM

7 Mar

DUB17:15Dublin

4h 05m

1 stop

BRU22:20Brussels Bruxelles-National

14 Mar

BRU14:45Brussels Bruxelles-National

8h 25m

1 stop

DUB22:10Dublin

£155

KLM

20 Feb

DUB17:15Dublin

4h 05m

1 stop

BRU22:20Brussels Bruxelles-National

23 Feb

BRU10:45Brussels Bruxelles-National

6h 35m

1 stop

DUB16:20Dublin

£163

SWISS flights from Ireland to Belgium

Our best SWISS deals on Ireland to Belgium flight tickets

SWISS

20 Mar

DUB18:35Dublin

13h 15m

1 stop

BRU08:50Brussels Bruxelles-National

23 Mar

BRU06:40Brussels Bruxelles-National

12h 05m

1 stop

DUB17:45Dublin

£142

SWISS

20 Mar

DUB18:35Dublin

18h 00m

1 stop

BRU13:35Brussels Bruxelles-National

23 Mar

BRU06:20Brussels Bruxelles-National

12h 25m

2 stops

DUB17:45Dublin

£172

SWISS

20 Mar

DUB18:35Dublin

13h 15m

1 stop

BRU08:50Brussels Bruxelles-National

27 Mar

BRU18:00Brussels Bruxelles-National

24h 45m

1 stop

DUB17:45Dublin

£174

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

£33

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 23/3

06:20-09:05

Nonstop1h 45m

Brussels Bruxelles-National

Mon 30/3

09:35-10:20

Nonstop1h 45m

£40

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 12/5

06:25-09:10

Nonstop1h 45m

Brussels Bruxelles-National

Thu 14/5

14:50-15:35

Nonstop1h 45m

£45

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 19/5

06:25-09:10

Nonstop1h 45m

Brussels Bruxelles-National

Thu 21/5

10:20-11:05

Nonstop1h 45m

£54

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 20/3

06:05-08:50

Nonstop1h 45m

Brussels Bruxelles-National

Fri 27/3

18:30-19:15

Nonstop1h 45m

£63

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 23/3

06:20-09:05

Nonstop1h 45m

Brussels Bruxelles-National

Mon 30/3

17:20-00:55

1 stop8h 35m

£74

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 22/6

06:15-09:00

Nonstop1h 45m

Brussels Bruxelles-National

Mon 29/6

09:35-10:20

Nonstop1h 45m

£75

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 12/5

11:00-20:30

1 stop8h 30m

Brussels Bruxelles-National

Thu 14/5

14:50-15:35

Nonstop1h 45m

£88

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 8/3

21:20-08:10

1 stop9h 50m

Brussels Bruxelles-National

Wed 11/3

09:10-09:55

Nonstop1h 45m

£91

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 19/5

11:00-20:30

1 stop8h 30m

Brussels Bruxelles-National

Thu 21/5

10:20-11:05

Nonstop1h 45m

£97

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How to get the cheapest flight ticket from Ireland to Belgium

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 Belgium?

The month of January is, on average, the cheapest month to fly to Belgium from Ireland, with most prices found around £49. If you aren’t able to travel during the month of January, then book flights to Belgium from Ireland during September instead. Flights to Belgium in September, while not as cheap as those in January, still average around £57.

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

The cheapest day to depart from Ireland to Belgium is on a Sunday when prices can be found for as low as £59. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Belgium on Saturday is £90.

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

Our most recent data shows that the best time of day to fly to Belgium is at midday. Flights from Ireland to Belgium during this time can be as low as £65. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £73 on average. Flights to Belgium from Ireland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ireland to Belgium flight route?

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

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

You are more likely to see cheaper flights to Belgium from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgium 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 Belgium from Ireland for as low as £59 on momondo.

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

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

Cheap Ireland to Belgium flight deals and tips

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

Best price found	£46
Fastest flight time	1h 35m
Direct flights	Every day
Airports in Belgium	32 airports

The best flight deal from Ireland to Belgium found on momondo in the last 72 hours is £46

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

Direct flights go from Ireland to Belgium every day.

There are 32 airports in Belgium. 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 Belgium?
Prices for flights from Ireland to Belgium are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Belgium?
The number of operators available for flights from Ireland to Belgium is 2 as of February 2026.
How old do you have to be to fly from Ireland to Belgium?
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 Belgium.
What documentation or ID do you need to fly to Belgium?
The necessary travel and health documents for your Belgium 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 Ireland to Belgium?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to Belgium is Airbus A320-100/200 (34.00% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (29.82%), Boeing 737 MAX 8 (24.36%), and Boeing 787 Dreamliner (2.55%).

Best airlines flying from Ireland to Belgium

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

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom £28	Free Cancellation	Rating 6.9 5,258 reviews		Search Ryanair flights
Aer Lingus	PriceFrom £29	Free Cancellation	Rating 7.2 1,445 reviews		Search Aer Lingus flights

Why use momondo?

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

Finding the right flight to Belgium from Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belgium quick and easy, saving you time and money.

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

Yes. All flights to Belgium 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 Belgium?

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 Belgium from Ireland.

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

If you are not ready to book a flight from Ireland to Belgium now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belgium and let you know when they change.

An easier way to manage your Belgium 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.

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Flights to Brusselsfrom £39

Flights to Ostendfrom £244

Cheap flights from Ireland to Belgium 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 Belgium departing on 11/2. 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 Belgium

Recent return flight deals from Ireland to Belgium

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KLM flights from Ireland to Belgium

Our best KLM deals on Ireland to Belgium flight tickets

SWISS flights from Ireland to Belgium

Our best SWISS deals on Ireland to Belgium flight tickets

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How to get the cheapest flight ticket from Ireland to Belgium

What is the cheapest month to fly to Belgium?

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

The cheapest day to depart from Ireland to Belgium is on a Sunday when prices can be found for as low as £59. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Belgium on Saturday is £90.

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

What is the cheapest Ireland to Belgium flight route?

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

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

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

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

Ryanair, Aer Lingus, and Scandinavian Airlines are the most popular carriers operating from Ireland to Belgium

How often are flights from Ireland to Belgium delayed?

Historically, on average around 14% of flights between Ireland and Belgium 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 Belgium 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 Belgium 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 Belgium on average per day?

As of February 2026, there are 6 flights per day flying from Ireland to Belgium. The most common time of day flights depart is 06:00, with 59% of flights taking off at midday.

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

45 flights are operational weekly from Ireland to Belgium as of February 2026. The most popular departure day for this route is Fri, with 22% of flights per week taking off on this day.

Cheap Ireland to Belgium flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Belgium

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

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

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

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

What is the most popular plane model from Ireland to Belgium?

Best airlines flying from Ireland to Belgium

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

Why use momondo?

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

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

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

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

An easier way to manage your Belgium 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

Popular Cities in Belgium

Popular flights according to clicks in the last 7 days on momondo

Ireland flight routes

According to popular flight searches on momondo this year

Belgium flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Belgium

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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According to popular flight searches on momondo this year