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

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

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

35 flights are operational weekly from Ireland to Belgium as of November 2025. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.

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

As of November 2025, there are 5 flights per day flying from Ireland to Belgium. The most common time of day flights depart is 06:00, with 60% of flights taking off at midday.

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 November 2025.

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.

£25 Cheap Flights from Ireland to Belgium in 2025/26

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Recent return flight deals from Ireland to Belgium

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14:05 - 16:50DUB-BRU

1h 45mdirect

09:25 - 10:10BRU-DUB

1h 45mdirect

£57Ryanair

Find Deal

Mon, 2 Feb - Thu, 5 Feb

13:40 - 16:25DUB-BRU

1h 45mdirect

10:15 - 11:00BRU-DUB

1h 45mdirect

£59Multiple Airlines

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Wed, 19 Nov - Sun, 23 Nov

05:50 - 08:35DUB-BRU

1h 45mdirect

09:40 - 10:25BRU-DUB

1h 45mdirect

£60Ryanair

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Wed, 10 Dec - Fri, 12 Dec

19:05 - 09:40DUB-BRU

13h 35m1 stop

09:25 - 10:10BRU-DUB

1h 45mdirect

£102Multiple Airlines

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Mon, 2 Feb - Thu, 5 Feb

11:30 - 18:40DUB-BRU

6h 10m1 stop

18:55 - 11:45BRU-DUB

17h 50m1 stop

£136Scandinavian Airlines

Find Deal

Fri, 16 Jan - Sun, 18 Jan

11:30 - 18:40DUB-BRU

6h 10m1 stop

10:20 - 18:20BRU-DUB

9h 00m1 stop

£143Scandinavian Airlines

Find Deal

Thu, 11 Dec - Tue, 30 Dec

17:15 - 22:20DUB-BRU

4h 05m1 stop

08:05 - 12:40BRU-DUB

5h 35m1 stop

£149KLM

Find Deal

Sat, 6 Dec - Mon, 8 Dec

17:15 - 22:20DUB-BRU

4h 05m1 stop

10:45 - 16:20BRU-DUB

6h 35m1 stop

£150KLM

Find Deal

Wed, 26 Nov - Wed, 3 Dec

10:50 - 16:15DUB-BRU

4h 25m1 stop

12:45 - 17:10BRU-DUB

5h 25m1 stop

£151Lufthansa

Find Deal

Fri, 21 Nov - Sun, 23 Nov

10:50 - 20:40DUB-BRU

8h 50m2 stops

12:45 - 17:10BRU-DUB

5h 25m1 stop

£179Lufthansa

Find Deal

Sat, 22 Nov - Mon, 24 Nov

Ryanair flights from Ireland to Belgium

Our best Ryanair deals on Ireland to Belgium flight tickets

Ryanair

2 Feb

DUB14:05Dublin

1h 45m

BRU16:50Brussels Bruxelles-National

5 Feb

BRU09:25Brussels Bruxelles-National

1h 45m

DUB10:10Dublin

£57

Find similar

Ryanair

10 Dec

DUB05:50Dublin

1h 45m

BRU08:35Brussels Bruxelles-National

12 Dec

BRU09:40Brussels Bruxelles-National

1h 45m

DUB10:25Dublin

£60

Find similar

Ryanair

11 Dec

DUB06:05Dublin

1h 45m

BRU08:50Brussels Bruxelles-National

30 Dec

BRU09:50Brussels Bruxelles-National

1h 45m

DUB10:35Dublin

£67

Find similar

Lufthansa flights from Ireland to Belgium

Our best Lufthansa deals on Ireland to Belgium flight tickets

Lufthansa

21 Nov

DUB10:50Dublin

4h 25m

1 stop

BRU16:15Brussels Bruxelles-National

23 Nov

BRU12:45Brussels Bruxelles-National

5h 25m

1 stop

DUB17:10Dublin

£151

Find similar

Lufthansa

22 Nov

DUB10:50Dublin

8h 50m

2 stops

BRU20:40Brussels Bruxelles-National

24 Nov

BRU12:45Brussels Bruxelles-National

5h 25m

1 stop

DUB17:10Dublin

£179

Find similar

Lufthansa

19 Nov

DUB09:10Dublin

7h 05m

2 stops

BRU17:15Brussels Bruxelles-National

23 Nov

BRU12:45Brussels Bruxelles-National

5h 25m

1 stop

DUB17:10Dublin

£180

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 2/2

14:05-16:50

Nonstop1h 45m

Brussels Bruxelles-National

Thu 5/2

09:25-10:10

Nonstop1h 45m

£57

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 19/11

13:40-16:25

Nonstop1h 45m

Brussels Bruxelles-National

Sun 23/11

10:15-11:00

Nonstop1h 45m

£59

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 10/12

05:50-08:35

Nonstop1h 45m

Brussels Bruxelles-National

Fri 12/12

09:40-10:25

Nonstop1h 45m

£60

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 2/2

19:05-09:40

1 stop13h 35m

Brussels Bruxelles-National

Thu 5/2

09:25-10:10

Nonstop1h 45m

£102

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 16/1

11:30-18:40

1 stop6h 10m

Brussels Bruxelles-National

Sun 18/1

18:55-11:45

1 stop17h 50m

£136

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 11/12

11:30-18:40

1 stop6h 10m

Brussels Bruxelles-National

Tue 30/12

10:20-18:20

1 stop9h 00m

£143

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 6/12

17:15-22:20

1 stop4h 05m

Brussels Bruxelles-National

Mon 8/12

08:05-12:40

1 stop5h 35m

£149

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 26/11

17:15-22:20

1 stop4h 05m

Brussels Bruxelles-National

Wed 3/12

10:45-16:20

1 stop6h 35m

£150

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 21/11

10:50-16:15

1 stop4h 25m

Brussels Bruxelles-National

Sun 23/11

12:45-17:10

1 stop5h 25m

£151

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 22/11

10:50-20:40

2 stops8h 50m

Brussels Bruxelles-National

Mon 24/11

12:45-17:10

1 stop5h 25m

£179

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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

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 £57. 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 £59.

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 £47. 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 £91.

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 £68. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £77 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 Brussels Bruxelles-National 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 £83 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 £67 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	£32
Fastest flight time	1h 45m
Direct flights	Every day
Airports in Belgium	1 airport

The best one-way flight to Belgium from Ireland in the past 72 hours is £32. The best return flight deal from Ireland to Belgium found on momondo in the last 72 hours is £80.

The fastest flight from Ireland to Belgium takes 1h 45m

Direct flights go from Ireland to Belgium every day.

There is 1 airport near Belgium: 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 November 2025.
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 (43.82% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (26.25%), Boeing 737 MAX 8 (18.15%), and Boeing 767-300 (winglets) (2.51%).

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 £29	Free Cancellation	Rating 6.8 5,186 reviews		Search Ryanair flights
Aer Lingus	PriceFrom £48	Free Cancellation	Rating 7.2 1,365 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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Find better results for your trip to Belgium

Popular Cities in Belgium

Flights to Brusselsfrom £29

Flights to Ostendfrom £262

Cheap flights from Ireland to Belgium from £25

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 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ireland to Belgium

Recent return flight deals from Ireland to Belgium

Recent one-way flight deals from Ireland to Belgium

Recent last minute flight deals from Ireland to Belgium

Recent direct flight deals from Ireland to Belgium

Ryanair flights from Ireland to Belgium

Our best Ryanair deals on Ireland to Belgium flight tickets

Lufthansa flights from Ireland to Belgium

Our best Lufthansa deals on Ireland to Belgium flight tickets

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

See travel insights to Belgium from

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

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 £47. 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 £91.

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 Brussels Bruxelles-National 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 Wideroe are the most popular carriers operating from Ireland to Belgium

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

As of November 2025, there are 5 flights per day flying from Ireland to Belgium. The most common time of day flights depart is 06:00, with 60% of flights taking off at midday.

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

35 flights are operational weekly from Ireland to Belgium as of November 2025. The most popular departure day for this route is Mon, with 20% 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