Aer Lingus Flights from Dublin to Brussels

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At the moment, you can catch a direct flight from Dublin to Brussels with the following airlines, including: Ryanair Aer Lingus Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes about 1 hour 43 minutes to fly from Dublin (DUB) to Brussels (BRU).

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Dublin to Brussels is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

Based on Trip.com data in the past 4 weeks, there is 32 flight per week flying from Dublin to Brussels. You can check the weekly schedule for popular airlines on this route below: Ryanair: S/M/T/W/T/F/S -- FR1456 (07:03)

To find best deals on flights from Dublin to Brussels, you can use various tools on Trip.com:
· Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on {{25a2b5_owDate}}, with one-way flights priced at just {{25a2b5_owPrice}}.
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The cheapest months to fly from Dublin to Brussels is April, when demand for travel is lower.

After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Dublin to Brussels on September 12, 2025 with Ryanair, with prices starting at £42.

You can land at any one of the following hubs in Brussels, with Dublin Airport to Brussels Airport (DUB-BRU) is by far the most common option on this route: Brussels Airport (BRU) Brussels South Charleroi Airport (CRL).

The time difference between Brussels and Dublin is 1h.

Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.