Open interactive map →Cheap flights from Dublin to Brussels
Cheap flights from Dublin to Brussels, Belgium currently start at €19. The cheapest available fare right now is with Kiwi.com. Non-stop flights are available on this route, cutting total travel time significantly. 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 €19 is above your budget, try adjusting to a shoulder-season month using the calendar above - fares can drop significantly outside peak periods.
Cheapest month to fly
- July 2026€19DirectCheapest
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 €19. 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 €19, 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.
Which airlines fly from Dublin to Brussels?
Kiwi.com currently offers the lowest fare on this route at €19. Other carriers may also operate flights between Dublin and Brussels, particularly on busier travel dates when more capacity is added. Airline pricing varies by date, seat class, and how far in advance you book. Click through to our partner booking site to compare all available airlines, departure times, and fare classes for your specific dates.