Question 1

How often are flights from Dublin to Brussels delayed?

Accepted Answer

About 11% of weekly flights between Dublin and Brussels have experienced delays in the past year, with the average delay time being 110 minutes.

Question 2

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

Accepted Answer

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

Question 3

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

Accepted Answer

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 10% of flights being delayed.

Question 4

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

Accepted Answer

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.

Question 5

What are the cheapest airlines flying from Dublin to Brussels round-trip?

Accepted Answer

According to our current data, Ryanair (£42), and Aer Lingus (£64) offers the cheapest pricing from Dublin to Brussels. Ryanair is 55% cheaper than the average price of flights available within the next 90 days to this destination.

Question 6

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

Accepted Answer

The best time to book flights from Dublin 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.

Question 7

What is the cheapest month to book a flight from Dublin to Brussels?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Dublin to Brussels (average of £57). Flying from Dublin 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.

Question 8

Weekly flight availability from Dublin to Brussels

Accepted Answer

The most flights from DUB to BR1 are scheduled on a Friday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Question 9

E

Accepted Answer

In terms of precipitation, rainfall in Brussels ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. August is typically the driest time to visit Brussels when rainfall is around 40.0 mm.

Question 10

E

Accepted Answer

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 3.0 C).

Question 11

What are the cheapest flights from Dublin to Brussels?

Accepted Answer

While on average a flight from Dublin to Brussels is generally £73, our data shows the cheapest flight currently is £48. When looking at the most popular route, (Dublin - Brussels Bruxelles-National), you can expect to pay £110 for that flight.

Question 12

What are the most reliable airlines from Dublin to Brussels?

Accepted Answer

The top 3 most reliable airlines when flying from Dublin to Brussels are Aer Lingus (90%), JetBlue (86%) and Qatar Airways (84%).

Question 13

What is the cheapest time of day to fly from DUB to BRU?

Accepted Answer

Unlike at midday, when flights are generally more expensive, you can save up to 53% on flights from Dublin to Brussels by exploring options for tickets in the evening.

Question 14

What airport do you fly from for flights from Dublin to Brussels?

Accepted Answer

Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Brussels from Dublin. Booking flights from Dublin (DUB) to Brussels should be relatively easy as there are 6 daily outbound flights to Brussels from 2 different airlines.

Question 15

Can I find deals for flights from Dublin to Brussels that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Dublin to Brussels flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 16

How can I find direct flights from Dublin to Brussels?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Brussels.

Question 17

Can I find deals for business class flights from Dublin to Brussels?

Accepted Answer

Yes. Cheapflights offers flight deals from Dublin to Brussels by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 18

How does Cheapflights help users find flights from Dublin to Brussels?

Accepted Answer

Deals for Dublin 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.

Question 19

Why should you use Cheapflights to find cheap flight tickets from Dublin to Brussels?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Brussels from Dublin.

Question 20

Can Cheapflights find flights from Dublin to Brussels with no change fees?

Accepted Answer

Certainly. Search results for flights to Brussels from Dublin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 21

Can Cheapflights notify me if prices for flights from Dublin to Brussels become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Dublin to Brussels and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Popular in	May
Cheapest in	January
Average price	£70

Airline	Cheapest	Average	Flexibility	On-time
Ryanair	Cheapest£42	Average£93	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Aer Lingus	Cheapest£64	Average£89	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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Best time to book a flight from Dublin to Brussels

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Cheapflights Insights

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

The best time to book flights from Dublin 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 Dublin to Brussels?

What is the cheapest time of day to fly from DUB to BRU?

Unlike at midday, when flights are generally more expensive, you can save up to 53% on flights from Dublin to Brussels by exploring options for tickets in the evening.

Weekly flight availability from Dublin to Brussels

The most flights from DUB to BR1 are scheduled on a Friday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How often are flights from Dublin to Brussels delayed?

About 11% of weekly flights between Dublin 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 Dublin 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 Dublin 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

Read through reviews of airlines operating flights from Dublin to Brussels, such as Aer Lingus and Ryanair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Dublin to Brussels?

What are the cheapest airlines flying from Dublin to Brussels round-trip?

What are the most reliable airlines from Dublin to Brussels?

What are the cheapest flights from Dublin to Brussels?

Can I find deals for flights from Dublin to Brussels that include hotel bookings?

How can I find direct flights from Dublin to Brussels?

Can I find deals for business class flights from Dublin to Brussels?

What is the cheapest month to book a flight from Dublin to Brussels?

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Alternative routes for Dublin to Brussels

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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

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Search flights from Dublin to Brussels by cabin class

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Dublin and Brussels flights

Browse other Dublin and Brussels flight options. Last updated on 5 October 2026.

Other flights from Dublin

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Top 2 airlines flying from Dublin to Brussels

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How does Cheapflights help users find flights from Dublin to Brussels?

Why should you use Cheapflights to find cheap flight tickets from Dublin to Brussels?

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Can Cheapflights notify me if prices for flights from Dublin to Brussels become cheaper?

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