€22 Find Cheap Flights from Brussels to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Brussels to Ireland departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Best Ireland Flight Deals from Brussels

Cheapest return prices found by our users on KAYAK in the last 72 hours
Dublin
Dublindirect€48
Cork
Corkdirect€44
Dublin
Dublindirect€48
Cork
Corkdirect€44

Cheap Flights from Brussels to Ireland

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Brussels to Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Brussels to Ireland

Fri, 5 Sep - Sun, 7 Sep
Ryanair Logo
09:25 - 10:15CRL-ORK
1h 50mdirect
Ryanair Logo
15:25 - 18:05ORK-CRL
1h 40mdirect
€44Ryanair
Find Deal
Fri, 5 Sep - Sun, 7 Sep
Ryanair Logo
18:45 - 19:30CRL-DUB
1h 45mdirect
Ryanair Logo
11:20 - 14:00DUB-CRL
1h 40mdirect
€48Ryanair
Find Deal
Fri, 29 Aug - Mon, 1 Sep
Ryanair Logo
20:45 - 21:25BRU-DUB
1h 40mdirect
Ryanair Logo
06:30 - 09:00DUB-BRU
1h 30mdirect
€48Ryanair
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Fri, 10 Oct - Sun, 12 Oct
 Logo
20:45 - 21:25BRU-DUB
1h 40mdirect
 Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Fri, 29 Aug - Mon, 1 Sep
Aer Lingus Logo
21:20 - 21:55BRU-DUB
1h 35mdirect
Aer Lingus Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
€70Aer Lingus
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Thu, 25 Sep - Sun, 28 Sep
Aer Lingus Logo
10:20 - 11:05BRU-DUB
1h 45mdirect
Aer Lingus Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
€73Aer Lingus
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Wed, 17 Sep - Thu, 25 Sep
 Logo
09:35 - 10:15BRU-DUB
1h 40mdirect
 Logo
18:35 - 18:35DUB-BRU
23h 00m1 stop
Mon, 13 Oct - Sun, 19 Oct
Lufthansa Logo
10:30 - 16:25BRU-ORK
6h 55m1 stop
Lufthansa Logo
17:10 - 22:35ORK-BRU
4h 25m1 stop
€155Lufthansa
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Mon, 13 Oct - Sun, 19 Oct
Lufthansa Logo
06:45 - 16:25BRU-ORK
10h 40m2 stops
Lufthansa Logo
17:10 - 22:35ORK-BRU
4h 25m1 stop
€182Lufthansa
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Thu, 4 Sep - Fri, 12 Sep
SWISS Logo
20:05 - 16:00BRU-ORK
20h 55m1 stop
SWISS Logo
16:50 - 08:50ORK-BRU
15h 00m1 stop
€222SWISS
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Booking Insights

KAYAK's insights & trends for Brussels to Ireland flights

Get data-powered insights and trends into flights from Brussels to Ireland to help you find the cheapest flights, the best time to fly, and much more.

What is the cheapest Brussels to Ireland flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Ireland from Brussels found in the last 72 hours was to Dublin, at €104 return. The most popular route is from Brussels Bruxelles-National Airport (BRU) to Dublin (DUB), and the cheapest round-trip airline ticket found on this route in the last 72 hours was €104.

What is the cheapest month to fly from Brussels to Ireland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Brussels to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Brussels to Ireland is January, when tickets cost €58 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of return tickets is €123 and €105 respectively.

What’s the cheapest day of the week to fly from Brussels to Ireland?

The average price of all round-trip flights from Brussels to Ireland clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Ireland on a Wednesday and more expensive on a Friday. On your return trip to Brussels, you should consider flying back on a Wednesday, and avoid Mondays for better deals.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Brussels to Ireland, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on a flight from Brussels to Ireland, you should book around 3 weeks before departure, which saves you about 57% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know

Cheapest flight€22
Flight from Charleroi Brussels to Cork

FAQs - booking Ireland flights

  • How does KAYAK find such low prices on flights from Brussels to Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Brussels to Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Brussels to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Brussels to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Brussels to Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Brussels to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Brussels to Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Brussels to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Ireland?

    The cheapest time of day to fly to Ireland is generally at night, when retur flights cost €177 on average. The most expensive time of day to fly to Ireland is generally in the morning, which is peak travel time and where the average cost of a ticket is €238.

Reviews of the top airline flying from Brussels to Ireland

 
Need help choosing which airline to fly with from Brussels to Ireland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
Aer LingusOverall score based on 1221 reviews
7.1Comfort
6.9Entertainment
7.3Boarding
8.0Crew
6.5Food
Airline reviews

Overall it was good experience and it was my first trip with Aer Lingus. One thing I was embarrassed was that someone occupied my seat so I was asked to use another seat. Due to this unhappy happening I almost missed the connecting flight because the random seat was far from the flight door. Food was fine, I liked the macaroni and cheese with fresh bread.

8.0 ExcellentEun Joo, Aug 2025VIE - DUB
Read more Aer Lingus reviews

Overall it was good experience and it was my first trip with Aer Lingus. One thing I was embarrassed was that someone occupied my seat so I was asked to use another seat. Due to this unhappy happening I almost missed the connecting flight because the random seat was far from the flight door. Food was fine, I liked the macaroni and cheese with fresh bread.

I was very disappointed that the online sys allowed me to get the boarding pass for the second leg of the trip, when I clearly request it for both flights!

It was my first transatlantic flight with Aer Lingus. Very enjoyable. Thank you for making international travel enjoyable again.

Excellent as far as the flight is concerned. Faro airport passport check was a huge delay and worrisome re missing the flight. 45 minutes there through passport control

The space between seats has reduced even further making it extremely uncomfortable. Couldn't even open the tray table properly or got compressed the moment the front guy reclined.

The seat pitch was a little tight for me, but I survived. There was a volatile, enraged passenger a couple of rows ahead of me and the cabin crew defused and resolved the situation calmly, quickly, and successfully.

My experience with Aer Lingus was nice, and I would be happy to fly with them again. However, my seat pocket had not been cleaned and had dirty wipes in it. I have flown with Aer Lingus before and do not recall anything like that happening, so presumably this was a one-off kind of thing. For the meal, I asked if there was possibly one without my allergens and the flight attendant gave me the one she thought would be fine. She did not know what allergens were in it, but when I received the meal the allergens were all listed right on the top of the package, so I was confused about why she didn’t know how to check what they were. In future, I will see if it’s possible to request an allergen-free meal ahead of time. But overall, I had a pleasant experience. My experience with Underpricer was very unenjoyable and because of them I do not plan to book through Kayak in the future. I have used Kayak numerous times, but this booking experience was so unpleasant. They called me numerous times and also emailed me to try to get me to select a seat. However, when I had a question later on, I was kept on hold for 20/30 minutes before I finally hung up. I also emailed them but never received a response, which I did not appreciate, especially given their previous frequent calls when they wanted something from me.

We booked a flight from FCO(Rome) with a stop over at DUB(Dublin) going to JFK. Boarding from Rome was kind of chaotic since the airport I guess is very small and we needed to shuttle to the airplane. The gate agent just let everyone and anyone go without using the sections so that took a lot longer than usual boarding. From drinking to JFk boarding was good and organized. Amazingly the flights was very smooth sailing and we’ve flown American big airplane to small companies before. The aircraft’s itself is on the older side, can’t complain tho because the plane ride wa smooth. For a 3 hour plane ride, nothing was complimentary. But for the longer leg of the plane complimentary snacks, meals and drinks were provided which was great. The food wasn’t bad either. I would fly with them again, great price and good service.

Comfortable trip , flight attendants professional as always. Only complaint was the food, We fly Aer Lingus frequently, this was the first time the quality of the meal was poor.

Everything went well. I made my connection which is always a concern.

Everything you need to know for your flight from Brussels to Ireland

Cabin class types available on flights to Ireland

Cabin classes available on flights to Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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