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Cheap flights from Belgium to Ireland from €15

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belgium to Ireland departing on 24/9. 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 Belgium to Ireland

Recent return flight deals from Belgium to Ireland

Ryanair Logo
21:40 - 22:20BRU-DUB
1h 40mdirect
Ryanair Logo
06:25 - 09:05DUB-BRU
1h 40mdirect
€41Ryanair
Find Deal
Thu, 2 Oct - Sun, 5 Oct
Ryanair Logo
20:45 - 21:25BRU-DUB
1h 40mdirect
Ryanair Logo
06:30 - 09:00DUB-BRU
1h 30mdirect
€42Ryanair
Find Deal
Fri, 3 Oct - Mon, 6 Oct
Multiple Airlines Logo
21:40 - 22:20BRU-DUB
1h 40mdirect
Multiple Airlines Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
€58Multiple Airlines
Find Deal
Thu, 9 Oct - Sun, 12 Oct
Multiple Airlines Logo
10:30 - 11:10BRU-DUB
1h 40mdirect
Multiple Airlines Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
€58Multiple Airlines
Find Deal
Fri, 10 Oct - Mon, 13 Oct
Aer Lingus Logo
18:55 - 19:40BRU-DUB
1h 45mdirect
Aer Lingus Logo
06:50 - 09:35DUB-BRU
1h 45mdirect
€64Aer Lingus
Find Deal
Tue, 11 Nov - Wed, 12 Nov
Aer Lingus Logo
21:20 - 21:55BRU-DUB
1h 35mdirect
Aer Lingus Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
€68Aer Lingus
Find Deal
Fri, 3 Oct - Sun, 5 Oct
Lufthansa Logo
09:30 - 16:25BRU-ORK
7h 55m1 stop
Lufthansa Logo
17:10 - 22:35ORK-BRU
4h 25m1 stop
€189Lufthansa
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Lufthansa Logo
08:30 - 16:25BRU-ORK
8h 55m1 stop
Lufthansa Logo
17:10 - 22:35ORK-BRU
4h 25m1 stop
€201Lufthansa
Find Deal
Sun, 28 Sep - Mon, 6 Oct
KLM Logo
08:05 - 23:25BRU-ORK
16h 20m1 stop
KLM Logo
06:00 - 14:15ORK-BRU
7h 15m1 stop
€228KLM
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Mon, 3 Nov - Mon, 10 Nov
KLM Logo
08:05 - 23:25BRU-ORK
16h 20m1 stop
KLM Logo
06:00 - 14:15ORK-BRU
7h 15m1 stop
€235KLM
Find Deal
Fri, 28 Nov - Sun, 30 Nov

Ryanair flights from Belgium to Ireland

Our best Ryanair deals on Belgium to Ireland flight tickets
Ryanair
2 Oct
BRU21:40Brussels Bruxelles-National
1h 40m
DUB22:20Dublin
5 Oct
DUB06:25Dublin
1h 40m
BRU09:05Brussels Bruxelles-National
€41
Find similar
Ryanair
3 Oct
BRU20:45Brussels Bruxelles-National
1h 40m
DUB21:25Dublin
6 Oct
DUB06:30Dublin
1h 30m
BRU09:00Brussels Bruxelles-National
€42
Find similar
Ryanair
17 Oct
BRU20:45Brussels Bruxelles-National
1h 40m
DUB21:25Dublin
19 Oct
DUB06:25Dublin
1h 40m
BRU09:05Brussels Bruxelles-National
€43
Find similar

Aer Lingus flights from Belgium to Ireland

Our best Aer Lingus deals on Belgium to Ireland flight tickets
Aer Lingus
11 Nov
BRU18:55Brussels Bruxelles-National
1h 45m
DUB19:40Dublin
12 Nov
DUB06:50Dublin
1h 45m
BRU09:35Brussels Bruxelles-National
€64
Find similar
Aer Lingus
3 Oct
BRU21:20Brussels Bruxelles-National
1h 35m
DUB21:55Dublin
5 Oct
DUB06:50Dublin
1h 50m
BRU09:40Brussels Bruxelles-National
€68
Find similar
Aer Lingus
9 Nov
BRU20:50Brussels Bruxelles-National
1h 45m
DUB21:35Dublin
11 Nov
DUB06:50Dublin
1h 45m
BRU09:35Brussels Bruxelles-National
€69
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Belgium to Ireland 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 17 September 2025.
Use the filters below to find and compare flights from Belgium to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrusselsDublin

BRU - DUB

BRUDUB

Brussels Bruxelles-National

Thu 2/10

21:40-22:20

Nonstop1h 40m

Dublin

Sun 5/10

06:25-09:05

Nonstop1h 40m

€41

BrusselsDublin

BRU - DUB

BRUDUB

Brussels Bruxelles-National

Fri 3/10

20:45-21:25

Nonstop1h 40m

Dublin

Mon 6/10

06:30-09:00

Nonstop1h 30m

€42

BrusselsDublin

BRU - DUB

BRUDUB

Brussels Bruxelles-National

Thu 9/10

21:40-22:20

Nonstop1h 40m

Dublin

Sun 12/10

06:50-09:40

Nonstop1h 50m

€58

BrusselsDublin

BRU - DUB

BRUDUB

Brussels Bruxelles-National

Fri 10/10

10:30-11:10

Nonstop1h 40m

Dublin

Mon 13/10

06:50-09:40

Nonstop1h 50m

€58

BrusselsDublin

BRU - DUB

BRUDUB

Brussels Bruxelles-National

Tue 11/11

18:55-19:40

Nonstop1h 45m

Dublin

Wed 12/11

06:50-09:35

Nonstop1h 45m

€64

BrusselsDublin

BRU - DUB

BRUDUB

Brussels Bruxelles-National

Fri 3/10

21:20-21:55

Nonstop1h 35m

Dublin

Sun 5/10

06:50-09:40

Nonstop1h 50m

€68

BrusselsCork

BRU - ORK

BRUORK

Brussels Bruxelles-National

Mon 13/10

09:30-16:25

1 stop7h 55m

Cork

Mon 20/10

17:10-22:35

1 stop4h 25m

€189

BrusselsCork

BRU - ORK

BRUORK

Brussels Bruxelles-National

Sun 28/9

08:30-16:25

1 stop8h 55m

Cork

Mon 6/10

17:10-22:35

1 stop4h 25m

€201

BrusselsCork

BRU - ORK

BRUORK

Brussels Bruxelles-National

Mon 3/11

08:05-23:25

1 stop16h 20m

Cork

Mon 10/11

06:00-14:15

1 stop7h 15m

€228

BrusselsCork

BRU - ORK

BRUORK

Brussels Bruxelles-National

Fri 28/11

08:05-23:25

1 stop16h 20m

Cork

Sun 30/11

06:00-14:15

1 stop7h 15m

€235

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 Ireland from

How to get the cheapest flight ticket from Belgium to Ireland

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 Ireland?

The month of February is another great option to travel to Ireland, with average flight prices from Belgium averaging around €65.

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

The cheapest day to depart on your flight to Ireland is on a Wednesday when prices can be found for as low as €124. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around €555. These prices are subject to change though, so be sure to set up a Price Alert for flights to Ireland.

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

In the evening is the cheapest time of day to fly from Belgium to Ireland when you can find flight prices for as low as €150. Flying to Ireland in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around €238.

What is the cheapest Belgium to Ireland flight route?

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

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

You are more likely to see cheaper flights to Ireland from Belgium when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €85 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Belgium for as low as €67 on momondo.

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

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

No. A direct flight is the cheapest option for a flight between Belgium to Ireland.

Cheap Belgium to Ireland flight deals and tips

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

Best price found

€555

Fastest flight time

1h 35m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Ireland

1 airport
The best flight deal from Belgium to Ireland found on momondo in the last 72 hours is €555
The fastest flight from Belgium to Ireland takes 1h 35m
Direct flights go from Belgium to Ireland on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Ireland: Dublin (DUB)
Search flight deals

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

    Prices for flights from Belgium to Ireland refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Belgium to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents required for your trip to Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Belgium to Ireland

Compare and see reviews for airlines that fly from Belgium to Ireland with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €65Free CancellationRating
7.2
1,277 reviews
Search Aer Lingus flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ireland from Belgium.

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

Flights from Belgium to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Belgium to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Ireland from Belgium. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Ireland 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.
Start using Trips
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Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Dublinfrom €38
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Flights to Milltown (Kerry)from €38