Question 1

Can stopping save me money on Ireland to Brussels Bruxelles-National Airport flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Ireland to Brussels Bruxelles-National Airport.

Question 2

How often are flights from Ireland to Brussels delayed?

Accepted Answer

Historically, on average around 14% of flights between Ireland and Brussels have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

Question 3

What cabin class options are available on Ireland to Brussels Bruxelles-National flights?

Accepted Answer

There is only 1 cabin class available to choose from on Ireland to Brussels Bruxelles-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 4

How far in advance should I book a flight to Brussels Bruxelles-National Airport?

Accepted Answer

You are more likely to see cheaper flights to Brussels Bruxelles-National Airport from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels Bruxelles-National Airport for around €92 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels Bruxelles-National Airport from Ireland for as low as €73 on momondo.

Question 5

How many flights depart from Ireland to Brussels Bruxelles-National Airport on average per week?

Accepted Answer

As of December 2025, there are 36 flights per week flying from Ireland to Brussels Bruxelles-National Airport. The most common day of the week flights depart is Fri, with 33% of flights taking off on this day.

Question 6

What is the cheapest airline that flies from Ireland to Brussels Bruxelles-National?

Accepted Answer

Ryanair, KLM, and British Airways are the most popular carriers operating from Ireland to Brussels Bruxelles-National

Question 7

Which airline has the best punctuality record on Ireland to Brussels flights?

Accepted Answer

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

Question 8

What is the cheapest Ireland to Brussels Bruxelles-National flight route?

Accepted Answer

Fly from Dublin to Brussels Bruxelles-National for the best Ireland - Brussels Bruxelles-National flight prices

Question 9

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 10

What is the cheapest month to fly to Brussels Bruxelles-National Airport?

Accepted Answer

In general, January is the cheapest month to fly from Ireland to Brussels Bruxelles-National Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €59. If you aren’t able to travel to Brussels Bruxelles-National Airport during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of €66.

Question 11

How many flights depart from Ireland to Brussels Bruxelles-National Airport on average per day?

Accepted Answer

The number of flights available between Ireland and Brussels Bruxelles-National Airport is 5 per day as of December 2025. The most frequent departure time is 06:00, with 61% of daily flights leaving at midday.

Question 12

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

Accepted Answer

The cheapest day to depart on your flight to Brussels Bruxelles-National Airport is on a Wednesday when prices can be found for as low as €88. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Brussels Bruxelles-National Airport on Sunday is €157.

Question 13

What is the most punctual flight time for Ireland to Brussels flights?

Accepted Answer

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Question 14

What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?

Accepted Answer

Our data shows that the cheapest Ireland to Brussels Bruxelles-National Airport flights are usually those with departure times in the afternoon. Our users have found flights to Brussels Bruxelles-National Airport in the afternoon for as low as €113. Flights to Brussels Bruxelles-National Airport are more costly in the morning, with an average ticket price of €131. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Question 15

How long does it take to fly to Brussels Bruxelles-National Airport?

Accepted Answer

The flight from Ireland to Brussels Bruxelles-National Airport depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Dublin (a popular airport in Ireland) to Brussels Bruxelles-National Airport (the most popular airport in Brussels Bruxelles-National Airport), then the flight time is 1h 45m on average. If you fly from Cork (another popular airport in Ireland) to Brussels Bruxelles-National Airport, then the average flight time is 1h 50m.

Question 16

When did momondo last update prices for flights from Ireland to Brussels Bruxelles-National Airport?

Accepted Answer

Prices for flights from Ireland to Brussels Bruxelles-National Airport are refreshed on a daily basis.

Question 17

How many operators does momondo search for flights from Ireland to Brussels Bruxelles-National Airport?

Accepted Answer

As of December 2025, there are 2 operators available to choose from for flights from Ireland to Brussels Bruxelles-National Airport.

Question 18

How old do you have to be to fly from Ireland to Brussels Bruxelles-National Airport?

Accepted Answer

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 Brussels Bruxelles-National Airport.

Question 19

What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

Accepted Answer

The travel and health documents you'll need for your trip to Brussels Bruxelles-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Brussels Bruxelles-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best price found	€38
Fastest flight time	1h 45m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom €56	Free Cancellation	Rating 6.8 5,213 reviews		Search Ryanair flights
Aer Lingus	PriceFrom €60	Free Cancellation	Rating 7.2 1,386 reviews		Search Aer Lingus flights

Cheap flights from Ireland to Brussels from €17

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How to get the cheapest flight ticket from Ireland to Brussels Bruxelles-National Airport

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 Brussels Bruxelles-National Airport?

What is the cheapest day to depart on your flight to Brussels Bruxelles-National Airport?

What is the cheapest time of day to depart on your flight to Brussels Bruxelles-National Airport?

What is the cheapest Ireland to Brussels Bruxelles-National flight route?

Fly from Dublin to Brussels Bruxelles-National for the best Ireland - Brussels Bruxelles-National flight prices

How far in advance should I book a flight to Brussels Bruxelles-National Airport?

What cabin class options are available on Ireland to Brussels Bruxelles-National flights?

There is only 1 cabin class available to choose from on Ireland to Brussels Bruxelles-National 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 Brussels Bruxelles-National Airport flights?

No. A direct flight is the cheapest option for a flight between Ireland to Brussels Bruxelles-National Airport.

What is the cheapest airline that flies from Ireland to Brussels Bruxelles-National?

Ryanair, KLM, and British Airways are the most popular carriers operating from Ireland to Brussels Bruxelles-National

How often are flights from Ireland to Brussels delayed?

Historically, on average around 14% of flights between Ireland and Brussels have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

What is the most punctual flight time for Ireland to Brussels flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ireland to Brussels flights?

According to our data, Aer Lingus have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

How many flights depart from Ireland to Brussels Bruxelles-National Airport on average per day?

The number of flights available between Ireland and Brussels Bruxelles-National Airport is 5 per day as of December 2025. The most frequent departure time is 06:00, with 61% of daily flights leaving at midday.

How many flights depart from Ireland to Brussels Bruxelles-National Airport on average per week?

As of December 2025, there are 36 flights per week flying from Ireland to Brussels Bruxelles-National Airport. The most common day of the week flights depart is Fri, with 33% of flights taking off on this day.

How long does it take to fly to Brussels Bruxelles-National Airport?

Cheap Ireland to Brussels Bruxelles-National Airport flight deals and tips

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When did momondo last update prices for flights from Ireland to Brussels Bruxelles-National Airport?

How many operators does momondo search for flights from Ireland to Brussels Bruxelles-National Airport?

How old do you have to be to fly from Ireland to Brussels Bruxelles-National Airport?

What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

What is the most popular plane model from Ireland to Brussels Bruxelles-National Airport?

Best airlines flying from Ireland to Brussels Bruxelles-National Airport

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