Dublin to Brussels
Dublin to Brussels is cheapest in September. November, the most expensive month we measured, costs about 26 € more.
Dublin to Brussels is 803 km flown direct. Every fare we measured came from Ryanair.
That comes from pricing 121 departure dates across 8 months. Every figure below is a fare we measured on the day shown, not a live quote. When we have nothing fresh to say about a route, its page stops existing.
What is a good price from Dublin to Brussels?
Anything at or below the quarter mark beats three in four of the 121 one-way fares we measured here. Above the median, wait or move the date.
seen 18 Aug 2026
How far ahead do the cheap fares sit?
When we measured, the cheapest quarter of fares sat between 74 and 177 days before departure, much the same distance out as everything else. On this route, how far ahead you book matters less than which month you pick.
a snapshot of where the cheap seats sat, seen 18 Aug 2026
Which day of the week is cheapest?
On average, Friday departures came out lowest and Tuesday highest, a spread of about 52 €. On this route the day moves the price about as much as the month does, which is unusual: check both before booking.
Is another Brussels airport cheaper from Dublin?
We price 2 airports for Brussels from Dublin. Brussels's floor is currently 0 € under Brussels South Charleroi's; weigh that against how each airport sits for the part of town you want.