Open interactive map →Cheap flights from Dublin to Brussels
Cheap flights from Dublin to Brussels, Belgium currently start at €16. Multiple carriers serve this route at competitive fares. Non-stop flights are available on this route, cutting total travel time significantly. The flight typically takes around 1h 25min. Browse the month-by-month price calendar below to find when fares are lowest, then click through to book.
For the best prices on this route, aim to book at least 3-4 weeks in advance. Tuesday and Wednesday departures from Dublin tend to be cheaper than Friday or Sunday flights. If €16 is above your budget, try adjusting to a shoulder-season month using the calendar above - fares can drop significantly outside peak periods.
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Cheapest month to fly
- October 2026€16DirectCheapest
Based on tracked fares, October is the cheapest month to fly this route at around €16.
Prices last updated: September 2026
October in Brussels
Avg 14°C~17 rainy days
Historical averages from Open-Meteo. Shown for the cheapest travel month.
Brussels Airport (BRU) — 12 km from city centre
Airport express trainaround 17-20 min
Taxi/ridesharearound 25-40 min
About Brussels
Belgium's capital is both a UNESCO-listed medieval city - the Grand-Place is one of Europe's finest medieval squares - and the administrative heart of the European Union and NATO. Brussels Airport (BRU) in Zaventem and Brussels South Charleroi (CRL) together give the region excellent low-cost and full-service connectivity.
Alternative routes
Other ways to reach Brussels
Frequently asked questions
How much does a flight from Dublin to Brussels cost?
The cheapest fare currently available from Dublin to Brussels is €16. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Dublin to Brussels?
Yes - non-stop flights are currently available from Dublin to Brussels. The cheapest direct fare starts at €16, making it a convenient option if you want to avoid layover time. Direct flights are generally quicker and less stressful, especially for shorter trips to Belgium. Click through to the booking site to check live availability and schedules for your dates.
When is the cheapest time to fly from Dublin to Brussels?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Dublin. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.