Cheap flights from Ireland to Belgium from €32
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 15/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
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.Find the cheapest flights from Ireland to Belgium
Recent return flight deals from Ireland to Belgium
Recent one-way flight deals from Ireland to Belgium
Recent last minute flight deals from Ireland to Belgium
Recent direct flight deals from Ireland to Belgium
Ryanair flights from Ireland to Belgium
Our best Ryanair deals on Ireland to Belgium flight tickets
KLM flights from Ireland to Belgium
Our best KLM deals on Ireland to Belgium flight tickets
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 €64. 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 €65.
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 €93. Flights from Ireland to Belgium on a Monday will generally be more expensive and average around €359. 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 €119. 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 €131 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 16 weeks ahead of your departure date. In general, you can expect to find flights to Belgium for around €95 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgium from Ireland for as low as €60 on momondo.
What cabin class options are available on Ireland to Belgium flights?
There are 1 cabin classes 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.
How many flights depart from Ireland to Belgium on average per day?
The number of flights available between Ireland and Belgium is 7 per day as of June 2025. The most frequent departure time is 17:00, with 51% of daily flights leaving in the afternoon.
How many flights depart from Ireland to Belgium on average per week?
As of June 2025, there are 51 flights per week flying from Ireland to Belgium. The most common day of the week flights depart is Fri, with 22% of flights taking off on this day.
Cheap Ireland to Belgium flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to Belgium
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?
As of June 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for flights between Ireland and Belgium, the leading plane model is Airbus A320-100/200, making up 37.30% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 30.54%, Boeing 737 MAX 8 with 19.05%, and Boeing 757-200 with 3.24%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom €60 | Free Cancellation | Rating 7.1 1,117 reviews |
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.