Latest deals
Insights
FAQs
Reviews
Price Alerts

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 16/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ireland to Belgium

Recent return flight deals from Ireland to Belgium

Ryanair Logo
18:25 - 21:05DUB-BRU
1h 40mdirect
Ryanair Logo
22:25 - 23:05BRU-DUB
1h 40mdirect
€32Ryanair
Find Deal
Thu, 9 Oct - Mon, 13 Oct
Ryanair Logo
07:05 - 09:45DUB-BRU
1h 40mdirect
Ryanair Logo
22:20 - 23:00BRU-DUB
1h 40mdirect
€33Ryanair
Find Deal
Thu, 9 Oct - Tue, 14 Oct
Multiple Airlines Logo
06:50 - 09:35DUB-BRU
1h 45mdirect
Multiple Airlines Logo
17:10 - 17:55BRU-DUB
1h 45mdirect
€66Multiple Airlines
Find Deal
Thu, 6 Nov - Sun, 9 Nov
Multiple Airlines Logo
06:45 - 09:25DUB-BRU
1h 40mdirect
Multiple Airlines Logo
10:20 - 11:05BRU-DUB
1h 45mdirect
€69Multiple Airlines
Find Deal
Tue, 14 Oct - Tue, 21 Oct
Aer Lingus Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Aer Lingus Logo
21:20 - 21:55BRU-DUB
1h 35mdirect
€74Aer Lingus
Find Deal
Fri, 3 Oct - Mon, 6 Oct
Aer Lingus Logo
06:50 - 09:35DUB-BRU
1h 45mdirect
Aer Lingus Logo
10:15 - 11:00BRU-DUB
1h 45mdirect
€76Aer Lingus
Find Deal
Sun, 7 Dec - Tue, 9 Dec
Lufthansa Logo
17:10 - 22:35ORK-BRU
4h 25m1 stop
Lufthansa Logo
08:30 - 16:25BRU-ORK
8h 55m1 stop
€154Lufthansa
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Lufthansa Logo
17:10 - 22:35ORK-BRU
4h 25m1 stop
Lufthansa Logo
06:45 - 16:25BRU-ORK
10h 40m2 stops
€179Lufthansa
Find Deal
Mon, 13 Oct - Mon, 20 Oct
KLM Logo
06:00 - 07:35ORK-BRU
24h 35m1 stop
KLM Logo
08:05 - 10:45BRU-ORK
3h 40m1 stop
€267KLM
Find Deal
Thu, 30 Oct - Thu, 6 Nov
KLM Logo
06:00 - 14:15ORK-BRU
7h 15m1 stop
KLM Logo
08:05 - 23:25BRU-ORK
16h 20m1 stop
€273KLM
Find Deal
Thu, 1 Jan - Wed, 7 Jan

Ryanair flights from Ireland to Belgium

Our best Ryanair deals on Ireland to Belgium flight tickets
Ryanair
9 Oct
DUB18:25Dublin
1h 40m
BRU21:05Brussels Bruxelles-National
13 Oct
BRU22:25Brussels Bruxelles-National
1h 40m
DUB23:05Dublin
€32
Find similar
Ryanair
9 Oct
DUB07:05Dublin
1h 40m
BRU09:45Brussels Bruxelles-National
14 Oct
BRU22:20Brussels Bruxelles-National
1h 40m
DUB23:00Dublin
€33
Find similar
Ryanair
2 Oct
DUB07:05Dublin
1h 40m
BRU09:45Brussels Bruxelles-National
6 Oct
BRU18:45Brussels Bruxelles-National
1h 40m
DUB19:25Dublin
€36
Find similar

British Airways flights from Ireland to Belgium

Our best British Airways deals on Ireland to Belgium flight tickets
British Airways
18 Sept
DUB08:35Dublin
10h 50m
1 stop
BRU20:25Brussels Bruxelles-National
21 Sept
BRU15:05Brussels Bruxelles-National
17h 40m
1 stop
DUB07:45Dublin
€286
Find similar
British Airways
6 Oct
ORK16:15Cork
23h 55m
1 stop
BRU17:10Brussels Bruxelles-National
15 Oct
BRU21:10Brussels Bruxelles-National
14h 35m
1 stop
ORK10:45Cork
€305
Find similar
British Airways
18 Sept
DUB12:45Dublin
20h 10m
1 stop
BRU09:55Brussels Bruxelles-National
21 Sept
BRU15:05Brussels Bruxelles-National
17h 40m
1 stop
DUB07:45Dublin
€321
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Belgium 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 Ireland to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 9/10

18:25-21:05

Nonstop1h 40m

Brussels Bruxelles-National

Mon 13/10

22:25-23:05

Nonstop1h 40m

€32

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 9/10

07:05-09:45

Nonstop1h 40m

Brussels Bruxelles-National

Tue 14/10

22:20-23:00

Nonstop1h 40m

€33

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 6/11

06:50-09:35

Nonstop1h 45m

Brussels Bruxelles-National

Sun 9/11

17:10-17:55

Nonstop1h 45m

€66

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 14/10

06:45-09:25

Nonstop1h 40m

Brussels Bruxelles-National

Tue 21/10

10:20-11:05

Nonstop1h 45m

€69

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 3/10

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Mon 6/10

21:20-21:55

Nonstop1h 35m

€74

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 7/12

06:50-09:35

Nonstop1h 45m

Brussels Bruxelles-National

Tue 9/12

10:15-11:00

Nonstop1h 45m

€76

CorkBrussels

ORK - BRU

ORKBRU

Cork

Mon 13/10

17:10-22:35

1 stop4h 25m

Brussels Bruxelles-National

Mon 20/10

08:30-16:25

1 stop8h 55m

€154

CorkBrussels

ORK - BRU

ORKBRU

Cork

Mon 13/10

17:10-22:35

1 stop4h 25m

Brussels Bruxelles-National

Mon 20/10

06:45-16:25

2 stops10h 40m

€179

CorkBrussels

ORK - BRU

ORKBRU

Cork

Thu 30/10

06:00-07:35

1 stop24h 35m

Brussels Bruxelles-National

Thu 6/11

08:05-10:45

1 stop3h 40m

€267

CorkBrussels

ORK - BRU

ORKBRU

Cork

Thu 1/1

06:00-14:15

1 stop7h 15m

Brussels Bruxelles-National

Wed 7/1

08:05-23:25

1 stop16h 20m

€273

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

The month of January is, on average, the cheapest month to fly to Belgium from Ireland, with most prices found around €63. If you don’t want to visit Belgium in January, then you should wait until September to fly from Ireland, when ticket prices are also cheap, with an average price of €66.

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

The cheapest day to depart from Ireland to Belgium is on a Wednesday when prices can be found for as low as €87. Flights from Ireland to Belgium on a Monday will generally be more expensive and average around €211. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Belgium is in the afternoon. momondo users have found flights departing from Ireland to Belgium in the afternoon for as low as €110. 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 Belgium, so prices are often more expensive at around €134 per ticket.

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 €89 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 €68 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.

Can stopping save me money on Ireland to Belgium flights?

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

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

€100

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Belgium

2 airports
The best flight deal from Ireland to Belgium found on momondo in the last 72 hours is €100
The fastest flight from Ireland to Belgium takes 1h 30m
Direct flights go from Ireland to Belgium every day.
There are 2 airports near Belgium: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)
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?

  • 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 required travel and health documents for your Belgium trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Belgium. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €60Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ireland to Belgium for you.

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

Flights from Ireland to Belgium 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 Ireland to Belgium?

momondo provides multiple filters to help you find the best flight to Belgium from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Belgium from Ireland. 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 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 17/10
Fri 24/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belgium

Popular Cities in Belgium

Popular flights according to clicks in the last 7 days on momondo
Flights to Brusselsfrom €36
Flights to Brusselsfrom €36