€30 Find Cheap Flights from Brussels to Dublin – Compare and Save

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 Dublin departing on 30/9. 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, 0 bags

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Everything you should know

Cheapest return fare
€66
Typical prices: €81-€171
Aer Lingus
Thu 27/8Sun 30/8
BRU - DUB • Direct
Cheapest one-way flight
€30
Typical prices: €33-€64
Ryanair
Wed 30/9
BRU - DUB • Direct
Top airlines
Cheapest • from €66 (return)
Best reviews • 7.3 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
You can fly direct with Aer Lingus and Ryanair. Average duration is 1h 44m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest • 17% average savings
Most popular
Insights
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Insights
Avoid delays
Most punctual • 80% on-time
Best time • Fewest delays
Insights
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When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 38% compared to booking last minute.
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Brussels to Dublin

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Brussels to Dublin 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 Dublin

Thu, 27 Aug - Sun, 30 Aug
Aer Lingus Logo
21:25 - 22:05
BRU
-
DUB
1h 40mdirect
Aer Lingus Logo
06:50 - 09:40
DUB
-
BRU
1h 50mdirect
€66Aer Lingus
Wed, 26 Aug - Sun, 30 Aug
Aer Lingus Logo
21:25 - 22:05
BRU
-
DUB
1h 40mdirect
Aer Lingus Logo
06:50 - 09:40
DUB
-
BRU
1h 50mdirect
€66Aer Lingus
Wed, 26 Aug - Mon, 31 Aug
Aer Lingus Logo
21:25 - 22:05
BRU
-
DUB
1h 40mdirect
Aer Lingus Logo
06:50 - 09:40
DUB
-
BRU
1h 50mdirect
€66Aer Lingus
Wed, 23 Sep - Tue, 6 Oct
Multiple Airlines Logo
21:25 - 22:05
BRU
-
DUB
1h 40mdirect
Multiple Airlines Logo
06:25 - 09:10
DUB
-
BRU
1h 45mdirect
€66Multiple Airlines
Fri, 28 Aug - Sun, 30 Aug
Aer Lingus Logo
21:25 - 22:05
BRU
-
DUB
1h 40mdirect
Aer Lingus Logo
06:50 - 09:40
DUB
-
BRU
1h 50mdirect
€66Aer Lingus
Mon, 31 Aug - Wed, 2 Sep
Ryanair Logo
21:40 - 22:25
CRL
-
DUB
1h 45mdirect
Ryanair Logo
05:45 - 08:25
DUB
-
CRL
1h 40mdirect
€67Ryanair
Wed, 26 Aug - Thu, 3 Sep
Ryanair Logo
10:30 - 11:15
BRU
-
DUB
1h 45mdirect
Ryanair Logo
06:50 - 09:35
DUB
-
BRU
1h 45mdirect
€67Ryanair
Thu, 5 Nov - Sun, 8 Nov
Ryanair Logo
17:50 - 18:30
BRU
-
DUB
1h 40mdirect
Ryanair Logo
07:15 - 09:55
DUB
-
BRU
1h 40mdirect
€67Ryanair
Sat, 26 Sep - Mon, 5 Oct
Multiple Airlines Logo
17:20 - 18:05
BRU
-
DUB
1h 45mdirect
Multiple Airlines Logo
06:50 - 09:40
DUB
-
BRU
1h 50mdirect
€67Multiple Airlines
Sat, 26 Sep - Mon, 28 Sep
Multiple Airlines Logo
12:15 - 20:00
CRL
-
DUB
8h 45m
1 stop
Multiple Airlines Logo
18:45 - 21:25
DUB
-
CRL
1h 40mdirect
€68Multiple Airlines
Booking Insights

KAYAK's insights & trends for Brussels to Dublin flights

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

How much is a return flight from Brussels to Dublin?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Brussels to Dublin departing in August.

Flight prices are below average for this route right now.

Flights to Dublin from Brussels usually cost between €81 and €171 in August.
The lowest price found in the past 5 days was €66 on Aer Lingus (26 Aug–28 Aug).

What is the cheapest Brussels to Dublin flight route?

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

The cheapest return flight from Brussels to Dublin costs €52 on the route between Brussels Bruxelles-National Airport (BRU) and Dublin (DUB). Over the past month, this route was, on average, 17% cheaper than other Brussels-Dublin routes. The most popular route is between Charleroi Brussels Airport (CRL) and Dublin (DUB).

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

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

For Brussels to Dublin, Sunday is the cheapest day to fly on average and Friday is the most expensive. Flying from Dublin back to Brussels, the best deals are generally found on Thursday, with Sunday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Brussels to Dublin, 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 Dublin is September, where tickets cost €73 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is €147 and €129 respectively.

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

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 Dublin, 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 the flight from Brussels to Dublin, you should book around 2 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Good to know

Cheapest flight

€30
Flight from Brussels Airport to Dublin

When to book flights from Brussels to Dublin

Are your dates flexible? Find out the best times to travel from Brussels to Dublin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Brussels to Dublin

  • What is the cheapest flight from Brussels to Dublin?

    In the last 5 days, the lowest price for a flight from Brussels to Dublin was €30 for a one-way ticket and €66 for a return.

  • Which airports will I be using when flying from Brussels to Dublin?

    Brussels has 2 major airports: Brussels Bruxelles-National and Charleroi Brussels. Dublin is the only airport in Dublin. You’ll usually find the cheapest deals if you fly from Brussels Airport.

  • Which aircraft models fly most regularly from Brussels to Dublin?

    We unfortunately don’t have that data for this specific route.

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

    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 Dublin.

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

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

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

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

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

    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 to Dublin from Brussels up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Brussels to Dublin?

 
Nonstop data is based off flight results for the next 60 days. Find direct flights from all airlines flying nonstop from Brussels to Dublin.
Find which airlines fly direct from Brussels to Dublin Airport, which days they fly and book direct flights.

Direct departures

Brussels to Dublin

Monday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Tuesday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Wednesday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Thursday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Friday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Saturday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Sunday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

See more direct flights

Direct returns

Dublin to Brussels

Monday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Tuesday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Wednesday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Thursday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Friday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Saturday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Sunday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

See more direct flights

Reviews of the top airlines flying from Brussels to Dublin

 
See real verified KAYAK customer reviews for airlines flying from Brussels to Dublin. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Brussels to Dublin? 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.
7.3
Aer LingusOverall score based on 1685 reviews
7.2Comfort
6.7Food
8.1Crew
7.0Entertainment
7.4Boarding
Airline reviews

Ryanair delayed my flight by 7.30 hours gave us a embarrassing 4 euro voucher Got to Leeds/Bradford airport got to the car hire which I also booked through your site and they had given my car away then charged me a additional 192 pounds more for a car I didn’t even want complete scam

2.0 MediocreAnonymous, Aug 2026
LBA - DUB
Read more Aer Lingus reviews

Ryanair delayed my flight by 7.30 hours gave us a embarrassing 4 euro voucher Got to Leeds/Bradford airport got to the car hire which I also booked through your site and they had given my car away then charged me a additional 192 pounds more for a car I didn’t even want complete scam

Awful customer service. What you are told 100% depends on who you talk to.

Baggage handling was poor. Baggage was delayed. Communicating updates on finding and delivering the baggage was poor.

I love flying with them, the long-haul was fantastic. The short flight from Dublin --> Switzerland was horrible though. Most narrow seats I ever had, first and only time in my life I couldn't even close the seatbelt in seat 1A which was very embarrassing so I had to sit in the middle, because that seatbeld was 20cm longer. No idea why seat 1A would have a much shorter belt, it's just ridicilous. Also I hate the fixed seats, way too narrow.

Despite me ordering a gluten-free meal, they had nothing on board. If you have health restrictions, be careful! Otherwise just fine.

The first flight was delayed and left us with a tight connection from Dublin to LAX. We would have made it and only had carry on luggage, however we were turned away and not allowed to go to the gate because they gave our seats away!

I was not permitted to check in online and there was no one at the check in desk at FCO when I arrived, so I could not get to my flight. Did not receive compensation of any kind.

Flight delayed 45 minutes almost caused us to miss connection to transatlantic flight.

My seat was broken. No sound available and the armrest between my wife and I was broken so it could only fold halfway up. Seats were a big close together so they felt a bit claustrophobic. Boarding was a little frustrating in Dublin as there is not sufficient room to actually queue up. Boarding was also frustrating for people behind me who were unable to use the overhead due to people abusing the privilege and putting more than one item each up there. Staff was friendly and helpful to those people.

A caveat, we flew during the ransomware attack that hacked the boarding and luggage tracking systems. I wouldn't ever be angry at the employees for that, but I WOULD be (and am) angry that communication was incredibly poor, that we got few live updates, and that the employees seemed uninformed and ill-equipped to handle the situation. Clear, honest, open communication and instructions would have benefited the situation. Unfortunately, there were literally no gate agents to talk to, no airport employees to direct people, and no clear signage (the app pretty much said "we don't know what gate your flight is."). Beyond this nightmare, the security was the usual dehumanizing circus of "Security Theater" which is... as we all know... only for show and completely useless. All three airports on this journey dropped the ball so hard. The flight industry can do so much better. Aer Lingus can do so much better.

Had no disruptions or delays. Did not order any food.

I liked almost everything (e.g. ease of booking, price, punctuality, efficiency, friendliness, courtesy). A slam landing in Dublin airport took some of the gloss off it, though. Being able to paste here the text of the review of the same flight that I just wrote for Ryanair would make me feel better about Kayak too.

Take off was great but landing is always with a bump.

Staff were very professional. Much better than the outgoing flight from Dublin. Seat cushions were practically non existent. Making for a very uncomfortable flight.

It's not the staff's fault. The cabin crew do their best but the setup in Stansted Airport by Ryanair is poor. The herding of people like cattle is unacceptable before boarding and is something that's in every airport but only in Stansted have I seen the queueing of passengers outside the plane on the tarmac and the crew only turning up with maybe 5 minutes to depart. This is a resource issue . Yes prices are good but seemingly comes with a price of poor treatment of customers. I'll pay more next time

Flight was fine, crew were good, cabin director spoke far too much; disembarking at Dublin Airport and entry into the terminal building was just dreadful, like entering the back door of a neglected factory building. What an awful impression it must give to first time visitors to Ireland.

Worst experience ever. First time and last time with Ryanair. I'm not a cow.

Didn’t like anything about it we were delayed by 3 hours and sat on the plane when leaving Dublin. On the way back to Dublin we were kept in the plane on tarmac for 4.5 hours. This airline is a joke!

Delayed flight. Received notice from ryanair by email and via app but no such timely information available at airport from monitors or staff

Ryanair is always shite. Slowest boarding possible in the most uncomfortable way. It’s like they are are tad sadistic.

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

Information on your arrival and departure airports