The cheapest one-way ticket from Brussels to Dublin found recently is 17€, on 10 Dec (December 2026, direct). The most expensive month is November 2026, from 22€. Round trips start at 40€, in December 2026. There are direct flights, the shortest taking 1h 45m. Airlines on this route: Ryanair.
Lowest fare by month
| Month | One way | Round trip |
|---|---|---|
| November 2026 | 22€14 Nov · direct | 43€14 Nov–21 Nov · direct |
| December 2026 | 17€10 Dec · direct | 40€10 Dec–12 Dec · direct |
Cheapest days in December 2026
One way, per adult. Blank days: nobody searched them lately.
At a glance
- Airports
- BRU · CRL → DUB
- Airlines
- Ryanair
- Direct flights
- Yes, direct fares were seen
The rest of the trip to Dublin
- Internet when you land ↗An eSIM for the country, set up before you fly. Handy outside the EU, or when roaming costs extra.
- A ride from the airport ↗A driver waiting at arrivals, at a fixed price.
- Things to do in Dublin ↗Tickets for museums, tours and sights.
Flight delayed by three hours or more, or cancelled? Under EU rules you may be owed up to €600. Check your claim.
Frequently asked questions
How much is a flight from Brussels to Dublin?
The cheapest one-way ticket found recently is 17€, in December 2026. A round trip starts at 40€. Fares are per adult and change often.
What is the cheapest month to fly from Brussels to Dublin?
December 2026, from 17€ one way. The most expensive is November 2026, from 22€.
Are there direct flights from Brussels to Dublin?
Yes, direct fares were found on this route in recent days.
How long is the flight from Brussels to Dublin?
The shortest flight found takes 1h 45m.
Which airlines fly from Brussels to Dublin?
Ryanair.
Which airports do flights from Brussels to Dublin use?
They leave from BRU, CRL and land at DUB.
Want to know when it gets cheaper?
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Watch this routeFares are the lowest travellers found in recent days' searches, per adult. They change: check the price before you book. Booking links go to our travel partner and are affiliate links: if you book through them we earn a small commission, at no cost to you.