$17 Flights from Dublin (DUB) to Brussels (BRUS)

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Flight deals from Dublin Airport to Brussels

Looking for a cheap last-minute deal or the best round-trip flight from Dublin Airport to Brussels? If you want to travel next month, round-trip fares start from $41. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Dublin to Brussels

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Brussels flights are currently cheapest in April.

Direct flights from Dublin to Brussels

Dublin to Brussels: Flight information

The things to know before you go.
Cheapest flight found$17
Cheapest month to flyApril
Average flight time1 hr, 43 mins
Most popular airlineRyanair
Average flights per week126

Finding cheap flights from Dublin to Brussels: Frequently asked questions

There are 5 airports in Brussels: Brussels International, Antwerp Deurne, Brussels S. Charleroi, Liege, and Kortrijk.
The best price we found for a round-trip flight from Dublin to Brussels is $37. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 42 minutes is the average flight time from Dublin to Brussels.
Ryanair, Aer Lingus and jetBlue fly direct from Dublin to Brussels.
There are 63 flights per week flying from Dublin to Brussels, as of April 2026.
The cheapest month to fly from Dublin to Brussels is usually April.
If you're flying from Dublin Airport, the cheapest airport near Brussels is Brussels International – which is 6.8 miles away from the center of Brussels. We've found flights to this airport from $37.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Brussels on Tuesday, April 14, 2026.
Yes – the average flight time is 1 hour and 42 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Brussels but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Brussels is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 48°F. July is typically the warmest month in Brussels, when it usually averages around 72°F. You can expect the least rain in April. The coldest month is January, with temperatures averaging 31°F. The rainiest month is December.
Currently, Ryanair offers the cheapest flight tickets to Brussels.

Traveling from Dublin Airport (DUB) to Brussels: what you need to know

  • Expect to be traveling for 1 hour 45 minutes. On average, that's the time it takes for a direct flight from Dublin Airport to Brussels.

  • Brussels is one hour ahead of Dublin, where Dublin Airport is located. Brussels observes the UTC+1 timezone.

  • With 25 flights a week between the two airports, Dublin Airport (DUB) to Brussels Airport (BRU) is the most popular route. Ryanair operates the earliest flight at 05:45. If you'd like to make the most of your day before you fly, the last flight from DUB to BRU is with Ryanair at 19:15.

  • To avoid missing your DUB to Brussels flight, leave enough time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • Be prepared for longer queues in popular months such as July. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you plenty of time for security and boarding.

  • You can book a direct Dublin Airport to Brussels ticket. Start your trip at DUB and end it at Brussels Airport (BRU).

  • Take to the skies with Aer Lingus. This popular carrier operates direct flights from Dublin Airport to Brussels.

  • We make it a breeze to book plane tickets from DUB to Brussels with a stopover. To see all your options, uncheck 'Direct flights only.' Then, pick a flight that has a stop long enough to tour the city of your choice. The most sought-after stopovers include:

    • London Heathrow Airport (LHR)

    • Amsterdam Schiphol Airport (AMS)

    • Barcelona-El Prat Airport (BCN)

  • DUB is around 5 miles from central Dublin. If you're driving, catching a cab or ride-sharing from the center, it'll take you 25 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be around 30 minutes.

  • Have an early flight from Dublin Airport to Brussels? Avoid rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to DUB:

  • When it comes to Dublin Airport's on-time performance, 77% of flights arrive within the scheduled time frame.

How to find the cheapest flights from Dublin Airport (DUB) to Brussels

  • $17 is currently the lowest price for a one-way Dublin Airport to Brussels flight. A return plane ticket starts at $37. These fares may change based on demand.

  • To secure cheap flights from DUB to Brussels, book your journey 11 months before your planned departure.

  • April is the best month for scoring an amazing deal on Dublin Airport to Brussels tickets. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for every month.

  • You don't need to check back constantly to see if fares have dropped when you create a Price Alert. We'll update you the moment there's an even better deal on cheap flights from DUB to Brussels.

  • Snag an affordable flight from Dublin Airport to Brussels with the help of our filters. Select your ideal departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Brussels

Brussels Airport (BRU)

  • The distance from Brussels Airport (BRU) to central Brussels is roughly 8 miles. It takes about 25 minutes to get to the center driving.

  • It typically takes 20 minutes to get there using public transport.

  • Book a hotel near BRU if you're coming in on a late flight from Dublin Airport to Brussels. Check in to one of these options and avoid the hassle of a long transfer:

  • Booking your ride from Brussels Airport about three weeks in advance of your flight from DUB to Brussels can help you lock in the lowest rate.

Brussels South Charleroi Airport (CRL)

  • After your flight from Dublin Airport to Brussels has hit the tarmac, you can make your way to the city center in about 55 minutes by car. Central Brussels is roughly 35 miles from Brussels South Charleroi Airport (CRL).

  • Traveling by public transport will take about 1 hour 15 minutes.

  • After stepping off your DUB to Brussels flight, rest your head at a hotel close to CRL. These are some comfortable accommodation options that'll help you slip into relaxation mode:

  • Lock in the lowest price by securing your ride from CRL two weeks in advance. You can also expect to have a greater selection of vehicles.

Best time to go to Brussels

  • December is the quietest month for flights from Dublin Airport to Brussels, while September is the busiest. Choose the best time to go to Brussels based on whether you want a lively atmosphere or a more laid-back vibe.

  • The warmest month in Brussels is August, with temperatures ranging between 54ºF and 81ºF. Lock in your Dublin Airport to Brussels plane ticket then if you enjoy this type of weather.

  • If you like traveling in cooler conditions, search for a cheap ticket from DUB to Brussels in January when temperatures average between 28ºF and 46ºF.

More about Brussels

  • When it comes to looking for somewhere to rest your head, you'll find the most popular stays in Brussels right here. Browse these options as soon as you've booked your flight from Dublin Airport to Brussels:

  • Atomium and Grand Place are just the start of the top attractions to add to your Brussels travel itinerary. Keep the adventure rolling by checking out Royal Palace of Brussels.

Explore more of Belgium

  • You've done Brussels, now it's time to explore other corners of Belgium. Travel about 70 miles west to Ostend to tick off its leading sights. From Church of Saint Peter and Saint Paul to The Crystal Ship and Mu.ZEE, there's plenty to keep you on the go.

  • If you're eager to discover another major destination in Belgium, head for Verviers, roughly 70 miles east of Brussels. Hôtel communal ou Ancienne Halle - Monument classé, Musée d'Archéologie et du Folklore and Musée des Beaux Arts et de la Ceramique are key reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.