Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Dublin to Brussels
The cheapest flights right now
Dublin – Brussels
Outbound – Nov 13, 2026
direct
1h 40m Return – Nov 16, 2026
direct
1h 45m $48
yesterday
Dublin – Brussels
Outbound – Nov 13, 2026
direct
1h 40m Return – Nov 16, 2026
direct
1h 40m $57
yesterday
Dublin – Brussels
Outbound – Nov 19, 2026
direct
1h 40m Return – Nov 23, 2026
direct
1h 45m $56
2 days ago
Dublin – Brussels
Outbound – Nov 5, 2026
direct
1h 40m Return – Nov 9, 2026
direct
1h 45m $58
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$21
Average price of a round trip
$73
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
1h43
A flight from Dublin to Brussels takes on average 1h43.
Best time
October
According to user searches, the ideal month to go to Brussels is October.
The best flight deals for a weekend
Dublin – Brussels
Outbound – Nov 11, 2026
direct
1h 40m Return – Nov 14, 2026
direct
1h 40m $72
2 days ago
Dublin – Brussels
Outbound – Nov 11, 2026
direct
1h 50m Return – Nov 14, 2026
direct
1h 45m $76
2 days ago
Dublin – Brussels
Outbound – Nov 11, 2026
direct
1h 40m Return – Nov 14, 2026
direct
1h 40m $84
2 days ago
Dublin – Brussels
Outbound – Nov 11, 2026
direct
1h 50m Return – Nov 14, 2026
direct
1h 40m $86
2 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Dublin to Brussels
Check out our tips for booking your flight to Brussels (Belgium) from Dublin (Ireland) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is January, with an average flight ticket price of $22 (calculation over the last two years). The most touristic season corresponds to the months of October, November and September.
For the cheapest flights, it is advisable to buy your ticket at least 33 days before the departure date.
The airline offering the cheapest flight tickets is Ryanair. A ticket from the airline Ryanair to Brussels costs on average $70.
The airlines that offer the most flights are Aer Lingus, Ryanair and Aer Lingus.
info departure city :
Dublin, Ireland
airport :
Dublin International Airport (DUB)
local time :
Dublin is a city in the country Ireland, the time zone is [[timezone]]. In Dublin, it is currently {fromLocalTime}, the temperature is on average 8°C, with a minimum of 5°C and a maximum of 13°C.
The city of Dublin has 1 airport(s): Dublin
destination info :
Brussels, Belgium
airport :
Brussels-National Airport (BRU)
local time :
Brussels is in the country Belgium, the time zone is [[timezone]]. In Brussels, it is currently {toLocalTime}, the temperature is on average 15°C, with a minimum of 12°C and a maximum of 21°C.
The city of Brussels (BRU) has 1 airport(s): Brussels-National
Useful info about Brussels
What is the least touristic period to go to Brussels?
If you want to visit Brussels during the least touristic period, choose the month of October.
What is the most popular time to travel to Brussels?
In Brussels, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Dublin to Brussels?
According to our data, it is recommended to book your flight 33 days before your departure. If you book your flight ticket 5 weeks before your departure, you may find a price below average. You can also choose morning flights that are 51% cheaper than afternoon and evening flights. The cheapest day to book a flight from Dublin to Brussels is Thursday.
What are the arrival and destination airports when traveling between Dublin and Brussels?
When you leave, you can leave from Dublin, and you will arrive at Brussels-National, Charleroi Bruxelles-Sud or Brussels-Midi.
How to reach Dublin airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Dublin to Brussels?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Dublin and Brussels?
In summer, the average temperature is 18°C in Brussels and 15°C in Dublin. The average rainfall in summer is 72 mm in Brussels and 76 mm in Dublin. In summer, it is warmer in Brussels and it rains less in Brussels. In winter, it is colder in Dublin and it rains more in Dublin.
