35 € Dublin (DUB) to Brussels International (BRU) Cheap Flights

Compare Dublin to Brussels International flight deals

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Flight deals from Dublin to Brussels International

Looking for a cheap last-minute deal or the best return flight from Dublin to Brussels International? Find the lowest prices on one-way and return tickets right here.

Brussels.35 € per passenger.Departing Thu, 2 Oct, returning Tue, 7 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Thu, 2 Oct, arriving in Brussels International.Inbound direct flight with Ryanair departs from Brussels International on Tue, 7 Oct, arriving in Dublin.Price includes taxes and charges.From 35 €, select.

Brussels.36 € per passenger.Departing Thu, 11 Sep, returning Tue, 16 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Thu, 11 Sep, arriving in Brussels International.Inbound direct flight with Ryanair departs from Brussels International on Tue, 16 Sep, arriving in Dublin.Price includes taxes and charges.From 36 €, select.

Brussels.36 € per passenger.Departing Thu, 18 Sep, returning Tue, 7 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Thu, 18 Sep, arriving in Brussels International.Inbound direct flight with Ryanair departs from Brussels International on Tue, 7 Oct, arriving in Dublin.Price includes taxes and charges.From 36 €, select.

Brussels.48 € per passenger.Departing Wed, 15 Oct, returning Tue, 4 Nov.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 15 Oct, arriving in Brussels International.Inbound direct flight with Ryanair departs from Brussels International on Tue, 4 Nov, arriving in Dublin.Price includes taxes and charges.From 48 €, select.

Brussels.58 € per passenger.Departing Tue, 4 Nov, returning Tue, 11 Nov.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 4 Nov, arriving in Brussels International.Inbound direct flight with Ryanair departs from Brussels International on Tue, 11 Nov, arriving in Dublin.Price includes taxes and charges.From 58 €, select.

Brussels.63 € per passenger.Departing Sun, 16 Nov, returning Tue, 2 Dec.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Sun, 16 Nov, arriving in Brussels International.Inbound direct flight with Ryanair departs from Brussels International on Tue, 2 Dec, arriving in Dublin.Price includes taxes and charges.From 63 €, select.

Brussels.69 € per passenger.Departing Wed, 22 Oct, returning Sun, 1 Mar.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 22 Oct, arriving in Brussels International.Inbound direct flight with Ryanair departs from Brussels International on Sun, 1 Mar, arriving in Dublin.Price includes taxes and charges.From 69 €, select.

Brussels.69 € per passenger.Departing Tue, 16 Dec, returning Mon, 29 Dec.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 16 Dec, arriving in Brussels International.Inbound direct flight with Ryanair departs from Brussels International on Mon, 29 Dec, arriving in Dublin.Price includes taxes and charges.From 69 €, select.

Find the cheapest month to fly from Dublin to Brussels International

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

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Direct flights from Dublin to Brussels International

Dublin to Brussels International: Alternative routes

Compare routes from Dublin to Brussels below. You may find an airport to fly into that's cheaper, faster, or easier than Brussels International.

Dublin to Brussels: Flight information

The things to know before you go.

Cheapest flight found	35 €
Cheapest month to fly	October
Average flight time	1 hr, 43 mins
Most popular airline	American Airlines
Average flights per week	51

Finding cheap flights from Dublin to Brussels International: Frequently asked questions

How much are return flights from Dublin to Brussels International?

The best price we found for a return flight from Dublin to Brussels International is 35 €. 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.

How long does it take to fly from Dublin to Brussels International?

1 hour and 43 minutes is the average flight time from Dublin to Brussels International.

Which airlines fly direct from Dublin to Brussels International?

American Airlines, Aer Lingus and Ryanair fly direct from Dublin to Brussels International.

How many flights are there a week from Dublin to Brussels International?

As of August 2025, there are 51 flights per week flying from Dublin to Brussels International.

When is the cheapest time to fly from Dublin to Brussels International?

The cheapest month to fly from Dublin to Brussels International is usually October.

Which upcoming date is cheapest to fly from Dublin Airport to Brussels International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Brussels International Airport on Thursday, 2 October 2025.

Can I get a direct flight from Dublin Airport to Brussels International Airport?

Yes – the average flight time is 1 hour and 43 minutes.

How can I find the best flight deal to Brussels International?

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 International 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.

When is the best time to book flights to Brussels?

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.

Which is the cheapest airline to fly from Dublin Airport to Brussels International with?

Currently, Ryanair offers the cheapest flight tickets to Brussels International.

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

The average time for a direct flight from Dublin Airport to Brussels Airport is 1 hour 45 minutes.
Brussels's timezone is UTC+1, which makes Brussels one hour ahead of Dublin.
Take your pick of 124 weekly Dublin Airport to Brussels Airport flights. The 05:45 departure with Ryanair is the earliest flight available. Ryanair operates the latest service of the day at 18:10.
To ensure you catch your DUB to BRU flight, leave plenty of time for things like baggage drop and finding your gate. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.
You can expect bigger queues in popular months like August. Arriving up to four hours ahead of international flights and two hours for domestic departures is a good idea.
Aer Lingus is your gateway to discovering Brussels (and perhaps some other exciting parts of Belgium!). Browse the direct flights from Dublin Airport to Brussels Airport offered by this popular airline.
Aer Lingus is the most frequently booked airline on this route.
Aer Lingus ranks as the leading on-time carrier for DUB to BRU flights, with 88.33% of its services landing on schedule.
Consider adding a stopover when booking your ticket from Dublin Airport to Brussels Airport. Just deselect 'Direct flights only' to break up your journey, or visit a new city along the way. Check out these options between DUB and BRU:
- Manchester Airport
- Birmingham International Airport
- Amsterdam Airport Schiphol

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

Currently, 17 € is the cheapest price we've found for a one-way Dublin Airport to Brussels Airport flight. The best price for a return plane ticket is 35 €. Remember that fares can change due to availability at the time of booking.
Book five months before your departure date. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from DUB to BRU.
April is the cheapest month for flights from Dublin Airport to Brussels Airport. If you prefer to travel during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.
Never miss a deal on cheap flights from DUB to BRU by creating a Price Alert. You'll receive an email or notification through the app when a lower fare becomes available.
Secure the right flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Dublin Airport to Brussels Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

Handy information about Dublin Airport (DUB)

72.87% of flights that leave from Dublin Airport touch down at their destination on time.
Central Dublin to Dublin Airport is approximately 21 kilometres. Depending on traffic, it'll take you about 30 minutes to get there if you're catching a cab, ride-sharing or driving.
The journey when using public transport takes about 2 hours 10 minutes.
Get your break off to a leisurely start by staying near DUB. Whether you've booked an early flight from Dublin Airport to Brussels Airport or want to avoid feeling rushed, these stays are the answer:

Arriving at Brussels Airport (BRU)

If you're getting in on a late Dublin Airport to Brussels Airport flight, nothing tops the convenience of being near the terminal. Grab your bags from the carousel and then be showered and snoozing soon after at one of these accommodation options near BRU:
Get on the fast track to adventure by picking up a Brussels Airport rental car. Grab a set of wheels from Keddy By Europcar, Alamo or Europcar and explore beyond Brussels's usual tourist stops.
Reserving your ride from Brussels Airport about three weeks in advance gives you the best shot at securing a great deal.

Getting from Brussels Airport (BRU) to central Brussels

Brussels Airport to central Brussels has a drive time of about 20 minutes. It's approximately 14 kilometres away.
It takes roughly 40 minutes if you're travelling by public transport.

When to fly to Brussels Airport (BRU)

The quietest month for a flight from Dublin Airport to Brussels Airport is January, while July is the most popular. Pick the ideal time to visit Brussels based on whether you prefer a laid-back vibe or a more bustling atmosphere.
The warmest month in Brussels is August, with temperatures ranging between 12ºC (54ºF) and 27ºC (81ºF). Lock in your flights from Dublin Airport to Brussels Airport in this month if you enjoy this type of weather.
If you want to travel in cooler conditions, look for a cheap ticket from DUB to BRU in January. Temperatures average between -2ºC (28ºF) and 8ºC (46ºF) then.

Explore more of Belgium

Brussels has plenty to offer, but there are so many other parts of Belgium waiting to be explored. Around 48 kilometres south of Brussels, a visit to Charleroi will keep you busy. Don't miss top attractions like Parc Gobbe, Maison Dermine (art déco — 1921) and Parc Ligny.
Liege is another must-experience destination in Belgium and is around 88 kilometres east of Brussels. No trip is complete without seeing Gare de Liege-Guillemins, Curtius Museum and Montagne de Bueren.