Question 1

How often are flights from Dublin to Brussels delayed?

Accepted Answer

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

Question 2

Which airline has the best punctuality record on Dublin 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 3

How many flights depart from Dublin to Brussels on average per day?

Accepted Answer

As of December 2025, 4 flights take off from Dublin and land in Brussels each day. The most common flight departure time for this route is 06:00, with 65% of daily flights taking off at midday.

Question 4

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

Accepted Answer

You are more likely to see cheaper flights to Brussels from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around £78 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Dublin for as low as £64 on momondo.

Question 5

What is the cheapest airline that flies from Dublin to Brussels?

Accepted Answer

Ryanair and Scandinavian Airlines are the most popular carriers operating from Dublin to Brussels

Question 6

What is the cheapest Dublin to Brussels flight route?

Accepted Answer

Fly from Dublin to Charleroi Brussels for the best Dublin - Brussels flight prices

Question 7

How many flights depart from Dublin to Brussels on average per week?

Accepted Answer

As of December 2025, 34 flights take off from Dublin and land in Brussels each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

Question 8

What is the most punctual flight time for Dublin 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 9

What is the cheapest time of day to depart on your flight to Brussels?

Accepted Answer

According to our data, the cheapest time of day to fly to Brussels is at midday. momondo users have found flights departing from Dublin to Brussels at midday for as low as £66. 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 evening is when there is more demand to fly to Brussels, so prices are often more expensive at around £75 per ticket.

Question 10

What cabin class options are available on Dublin to Brussels flights?

Accepted Answer

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

Question 11

What is the cheapest month to fly to Brussels?

Accepted Answer

In general, January is the cheapest month to fly from Dublin to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £52. If you are unable to visit Brussels during the month of January, then departing from Dublin during the month September is also very affordable. Most momondo users find prices during this month for around £58.

Question 12

What is the typical price of a round-trip flight between Dublin and Brussels?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from £79 to £110.
The lowest price recently found on this route was £35.

Question 13

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 14

What is the cheapest day to depart on your flight to Brussels?

Accepted Answer

Our data shows that Sunday is the least expensive day to fly to Brussels. Tickets to fly out on this day can be as low as £46. On the other hand, Saturday is the most expensive day to depart from Dublin because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £90.

Question 15

When did momondo last update prices for flights from Dublin Airport to Brussels?

Accepted Answer

Prices for flights from Dublin Airport to Brussels refresh daily.

Question 16

How many operators does momondo search for flights from Dublin Airport to Brussels?

Accepted Answer

The number of operators available for flights from Dublin Airport to Brussels is 2 as of December 2025.

Question 17

How old do you have to be to fly from Dublin Airport to Brussels?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Brussels.

Question 18

What documentation or ID do you need to fly to Brussels?

Accepted Answer

The travel and health documents you'll need for your trip to Brussels 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 license and a passport that is valid for six months after your intended arrival at Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Fastest flight time	1h 35m
Direct flights	Mon, Tue, Wed, Fri and Sat
Airports in Brussels	1 airport

Airline	Rating	Free Cancellation	Price
Ryanair	PriceFrom £30	Free Cancellation	Rating 6.8 5,214 reviews		Search Ryanair flights
Aer Lingus	PriceFrom £54	Free Cancellation	Rating 7.2 1,389 reviews		Search Aer Lingus flights

Cheap flights from Dublin to Brussels from £15

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Brussels departing on 22/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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 typical price of a round-trip flight between Dublin and Brussels?

What is the cheapest month to fly to Brussels?

What is the cheapest day to depart on your flight to Brussels?

What is the cheapest time of day to depart on your flight to Brussels?

What is the cheapest Dublin to Brussels flight route?

Fly from Dublin to Charleroi Brussels for the best Dublin - Brussels flight prices

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

What cabin class options are available on Dublin to Brussels flights?

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

What is the cheapest airline that flies from Dublin to Brussels?

Ryanair and Scandinavian Airlines are the most popular carriers operating from Dublin to Brussels

How often are flights from Dublin to Brussels delayed?

Historically, on average around 14% of flights between Dublin 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 Dublin 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 Dublin 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 Dublin to Brussels on average per day?

As of December 2025, 4 flights take off from Dublin and land in Brussels each day. The most common flight departure time for this route is 06:00, with 65% of daily flights taking off at midday.

How many flights depart from Dublin to Brussels on average per week?

As of December 2025, 34 flights take off from Dublin and land in Brussels each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

Cheap Dublin to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Brussels

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Airports in Brussels

How far is Dublin to Brussels by plane?

When did momondo last update prices for flights from Dublin Airport to Brussels?

How many operators does momondo search for flights from Dublin Airport to Brussels?

How old do you have to be to fly from Dublin Airport to Brussels?

What documentation or ID do you need to fly to Brussels?

Best airlines flying from Dublin to Brussels

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Why use momondo?

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Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels