Cheap flights from Ireland to Brussels
Find flight deals from Ireland to Brussels
Keep the following information in mind while searching for Ireland to Brussels flight deals. Data was last updated 9 October 2026.
Popular in | May |
|---|---|
Cheapest in | January |
Average price | £70 |
Cheapflights Insights
Everything you need to know about your flight from Ireland to Brussels
How far ahead should I book a flight from Ireland to Brussels?
The best time to book flights from Ireland to Brussels is 41 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Ireland to Brussels?
Currently, January is the cheapest month in which you can book a flight from Ireland to Brussels (average of £58). Flying from Ireland to Brussels in May is currently the most expensive (average of £132). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IE to BRU?
Unlike in the morning, when flights are generally more expensive, you can save up to 44% on flights from Ireland to Brussels by exploring options for tickets in the evening.
How often are flights from Ireland to Brussels delayed?
About 11% of weekly flights between Ireland and Brussels have experienced delays in the past year, with the average delay time being 110 minutes.
What is the most punctual flight time for Ireland to Brussels flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ireland to Brussels flights?
Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 10% of flights being delayed.
Reviews of airlines servicing Brussels
Get insights into the airlines that provide service to Brussels. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brussels. Reviews last updated 9 October 2026.
Check out reviews from past customers who have flown with Aer Lingus and Ryanair from Ireland to Brussels to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
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Karin,Oct 2026
DUB - MCO
Comfort
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Entertainment
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Overall
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Karin,Oct 2026
DUB - MCO
Comfort
Crew
Entertainment
Food
Boarding
Overall
Reviews
Karin,Oct 2026
DUB - MCO
Related info for your journey
Find useful and relevant information for your journey from Ireland to Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ireland to Brussels
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Brussels by adding a car hire and/or hotel booking to your travel itinerary.
Direct flights to Belgium
Book a non-stop flight to one of these other cities located in Belgium.
Search flights from Ireland to Brussels by cabin class
Find flights from Ireland to Brussels, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ireland and Brussels flights
Browse other Ireland and Brussels flight options. Last updated on 9 October 2026.
Popular flight searches
Check out other popular destinations found by fellow travellers in 2026
Top 2 airlines flying from Ireland to Brussels
Discover the top 2 airlines that operate flights from Ireland to Brussels. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 9 October 2026.
Fly with Cheapflights
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How does Cheapflights help users find flights from Ireland to Brussels?
Deals for Ireland to Brussels flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from Ireland to Brussels?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Brussels.
Can Cheapflights find flights from Ireland to Brussels with no change fees?
Certainly. Search results for flights to Brussels from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Ireland to Brussels become cheaper?
Yes! Start tracking prices for Ireland to Brussels flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.