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

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

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

As of August 2025, there are 4 flights per day flying from Ireland to Belgium. The most common time of day flights depart is 17:00, with 51% of flights taking off in the afternoon.

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

31 flights are operational weekly from Ireland to Belgium as of August 2025. The most popular departure day for this route is Thu, with 29% of flights per week taking off on this day.

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 August 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.

£18 Cheap Flights from Ireland to Belgium in 2025

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Find the cheapest flights from Ireland to Belgium

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Recent return flight deals from Ireland to Belgium

06:25 - 09:05DUB-BRU

1h 40mdirect

21:40 - 22:20BRU-DUB

1h 40mdirect

£32Ryanair

Find Deal

Sun, 28 Sep - Thu, 9 Oct

07:05 - 09:45DUB-BRU

1h 40mdirect

22:25 - 23:05BRU-DUB

1h 40mdirect

£33Ryanair

Find Deal

Thu, 11 Sep - Mon, 22 Sep

06:50 - 09:40DUB-BRU

1h 50mdirect

21:20 - 21:55BRU-DUB

1h 35mdirect

£65Aer Lingus

Find Deal

Sat, 30 Aug - Mon, 1 Sep

21:30 - 09:15DUB-BRU

10h 45m1 stop

21:30 - 22:10BRU-DUB

1h 40mdirect

£97

Find Deal

Mon, 8 Sep - Wed, 10 Sep

19:05 - 09:40DUB-BRU

13h 35m1 stop

22:25 - 23:05BRU-DUB

1h 40mdirect

£103

Find Deal

Thu, 11 Sep - Mon, 15 Sep

05:55 - 20:40DUB-BRU

13h 45m1 stop

08:55 - 19:15BRU-DUB

11h 20m1 stop

£141Lufthansa

Find Deal

Wed, 3 Sep - Thu, 4 Sep

19:05 - 09:40DUB-BRU

13h 35m1 stop

19:20 - 09:30BRU-DUB

15h 10m1 stop

£146Scandinavian Airlines

Find Deal

Tue, 11 Nov - Fri, 14 Nov

21:45 - 10:15DUB-BRU

11h 30m1 stop

18:55 - 10:55BRU-DUB

17h 00m1 stop

£155Scandinavian Airlines

Find Deal

Sun, 17 Aug - Tue, 19 Aug

10:40 - 17:15DUB-BRU

5h 35m1 stop

09:35 - 16:55BRU-DUB

8h 20m1 stop

£156Lufthansa

Find Deal

Thu, 9 Oct - Tue, 14 Oct

06:50 - 09:40DUB-BRU

1h 50mdirect

10:20 - 11:05BRU-DUB

1h 45mdirect

£164Aer Lingus

Find Deal

Sat, 23 Aug - Tue, 26 Aug

Lufthansa flights from Ireland to Belgium

Our best Lufthansa deals on Ireland to Belgium flight tickets

Lufthansa

3 Sept

DUB05:55Dublin

13h 45m

1 stop

BRU20:40Brussels Bruxelles-National

4 Sept

BRU08:55Brussels Bruxelles-National

11h 20m

1 stop

DUB19:15Dublin

£141

Find similar

Lufthansa

9 Oct

DUB10:40Dublin

5h 35m

1 stop

BRU17:15Brussels Bruxelles-National

14 Oct

BRU09:35Brussels Bruxelles-National

8h 20m

1 stop

DUB16:55Dublin

£156

Find similar

Lufthansa

9 Oct

DUB10:40Dublin

8h 10m

1 stop

BRU19:50Brussels Bruxelles-National

14 Oct

BRU09:35Brussels Bruxelles-National

8h 20m

1 stop

DUB16:55Dublin

£157

Find similar

Ryanair flights from Ireland to Belgium

Our best Ryanair deals on Ireland to Belgium flight tickets

Ryanair

28 Sept

DUB06:25Dublin

1h 40m

BRU09:05Brussels Bruxelles-National

9 Oct

BRU21:40Brussels Bruxelles-National

1h 40m

DUB22:20Dublin

£32

Find similar

Ryanair

11 Sept

DUB07:05Dublin

1h 40m

BRU09:45Brussels Bruxelles-National

22 Sept

BRU22:25Brussels Bruxelles-National

1h 40m

DUB23:05Dublin

£33

Find similar

Ryanair

9 Oct

DUB18:25Dublin

1h 40m

BRU21:05Brussels Bruxelles-National

14 Oct

BRU22:20Brussels Bruxelles-National

1h 40m

DUB23:00Dublin

£36

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 28/9

06:25-09:05

Nonstop1h 40m

Brussels Bruxelles-National

Thu 9/10

21:40-22:20

Nonstop1h 40m

£32

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 11/9

07:05-09:45

Nonstop1h 40m

Brussels Bruxelles-National

Mon 22/9

22:25-23:05

Nonstop1h 40m

£33

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 30/8

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Mon 1/9

21:20-21:55

Nonstop1h 35m

£65

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 8/9

21:30-09:15

1 stop10h 45m

Brussels Bruxelles-National

Wed 10/9

21:30-22:10

Nonstop1h 40m

£97

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 11/9

19:05-09:40

1 stop13h 35m

Brussels Bruxelles-National

Mon 15/9

22:25-23:05

Nonstop1h 40m

£103

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 3/9

05:55-20:40

1 stop13h 45m

Brussels Bruxelles-National

Thu 4/9

08:55-19:15

1 stop11h 20m

£141

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 11/11

19:05-09:40

1 stop13h 35m

Brussels Bruxelles-National

Fri 14/11

19:20-09:30

1 stop15h 10m

£146

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 17/8

21:45-10:15

1 stop11h 30m

Brussels Bruxelles-National

Tue 19/8

18:55-10:55

1 stop17h 00m

£155

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 9/10

10:40-17:15

1 stop5h 35m

Brussels Bruxelles-National

Tue 14/10

09:35-16:55

1 stop8h 20m

£156

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 23/8

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Tue 26/8

10:20-11:05

Nonstop1h 45m

£164

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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 £56. 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 £55. 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 £99.

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 in the afternoon. Flights from Ireland to Belgium during this time can be as low as £67. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £82 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 £52 on momondo.

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

There are 1 cabin classes 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	£18
Fastest flight time	1h 30m
Direct flights	Every day
Airports in Belgium	1 airport

The best one-way flight to Belgium from Ireland in the past 72 hours is £18. The best return flight deal from Ireland to Belgium found on momondo in the last 72 hours is £32.

The fastest flight from Ireland to Belgium takes 1h 30m

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 August 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 (33.85% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (26.46%), Boeing 737 MAX 8 (18.00%), and Boeing 757-200 (5.69%).

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 5,154 reviews		Search Ryanair flights
Aer Lingus	PriceFrom £55	Free Cancellation	Rating 7.1 1,192 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 £35

Flights to Ostendfrom £265

Cheap flights from Ireland to Belgium from £18

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 26/8. 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

Lufthansa flights from Ireland to Belgium

Our best Lufthansa deals on Ireland to Belgium flight tickets

Ryanair flights from Ireland to Belgium

Our best Ryanair 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 £55. 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 £99.

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 are 1 cabin classes 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, Lufthansa, and Scandinavian Airlines are the most popular carriers operating from Ireland to Belgium

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

As of August 2025, there are 4 flights per day flying from Ireland to Belgium. The most common time of day flights depart is 17:00, with 51% of flights taking off in the afternoon.

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

31 flights are operational weekly from Ireland to Belgium as of August 2025. The most popular departure day for this route is Thu, with 29% 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