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Cheap flights from Dublin to Brussels from €22

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Brussels departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Ryanair Logo
18:25 - 21:05DUB-BRU
1h 40mdirect
Ryanair Logo
21:40 - 22:20BRU-DUB
1h 40mdirect
€33Ryanair
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Thu, 2 Oct - Thu, 9 Oct
Ryanair Logo
18:25 - 21:05DUB-BRU
1h 40mdirect
Ryanair Logo
22:20 - 23:00BRU-DUB
1h 40mdirect
€36Ryanair
Find Deal
Thu, 2 Oct - Tue, 7 Oct
Ryanair Logo
06:25 - 09:05DUB-BRU
1h 40mdirect
Ryanair Logo
21:40 - 22:20BRU-DUB
1h 40mdirect
€37Ryanair
Find Deal
Sun, 28 Sep - Thu, 9 Oct
Ryanair Logo
18:25 - 21:05DUB-BRU
1h 40mdirect
Ryanair Logo
22:25 - 23:05BRU-DUB
1h 40mdirect
€38Ryanair
Find Deal
Thu, 18 Sep - Mon, 22 Sep
Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Logo
09:45 - 10:25BRU-DUB
1h 40mdirect
€70
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Sun, 21 Sep - Sun, 28 Sep
Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Logo
22:25 - 23:05BRU-DUB
1h 40mdirect
€72
Find Deal
Mon, 22 Sep - Mon, 29 Sep
Aer Lingus Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Aer Lingus Logo
10:20 - 11:05BRU-DUB
1h 45mdirect
€73Aer Lingus
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Wed, 24 Sep - Thu, 25 Sep
Aer Lingus Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Aer Lingus Logo
10:20 - 11:05BRU-DUB
1h 45mdirect
€84Aer Lingus
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Mon, 22 Sep - Wed, 24 Sep
Vueling Logo
21:35 - 09:45DUB-BRU
11h 10m1 stop
Vueling Logo
22:15 - 09:10BRU-DUB
11h 55m1 stop
€102Vueling
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Tue, 7 Oct - Tue, 14 Oct
Vueling Logo
21:35 - 09:45DUB-BRU
11h 10m1 stop
Vueling Logo
22:15 - 09:10BRU-DUB
11h 55m1 stop
€103Vueling
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Tue, 7 Oct - Tue, 14 Oct

Ryanair flights from Dublin to Brussels

Our best Ryanair deals on Dublin to Brussels flight tickets
Ryanair
2 Oct
DUB18:25Dublin
1h 40m
BRU21:05Brussels Bruxelles-National
9 Oct
BRU21:40Brussels Bruxelles-National
1h 40m
DUB22:20Dublin
€33
Find similar
Ryanair
2 Oct
DUB18:25Dublin
1h 40m
BRU21:05Brussels Bruxelles-National
7 Oct
BRU22:20Brussels Bruxelles-National
1h 40m
DUB23:00Dublin
€36
Find similar
Ryanair
28 Sept
DUB06:25Dublin
1h 40m
BRU09:05Brussels Bruxelles-National
9 Oct
BRU21:40Brussels Bruxelles-National
1h 40m
DUB22:20Dublin
€37
Find similar

Aer Lingus flights from Dublin to Brussels

Our best Aer Lingus deals on Dublin to Brussels flight tickets
Aer Lingus
24 Sept
DUB06:50Dublin
1h 50m
BRU09:40Brussels Bruxelles-National
25 Sept
BRU10:20Brussels Bruxelles-National
1h 45m
DUB11:05Dublin
€73
Find similar
Aer Lingus
22 Sept
DUB06:50Dublin
1h 50m
BRU09:40Brussels Bruxelles-National
24 Sept
BRU10:20Brussels Bruxelles-National
1h 45m
DUB11:05Dublin
€84
Find similar
Aer Lingus
2 Oct
DUB06:50Dublin
1h 50m
BRU09:40Brussels Bruxelles-National
6 Oct
BRU21:20Brussels Bruxelles-National
1h 35m
DUB21:55Dublin
€85
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Brussels that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 26 August 2025.
Use the filters below to find and compare flights from Dublin to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 2/10

18:25-21:05

Nonstop1h 40m

Brussels Bruxelles-National

Thu 9/10

21:40-22:20

Nonstop1h 40m

€33

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 2/10

18:25-21:05

Nonstop1h 40m

Brussels Bruxelles-National

Tue 7/10

22:20-23:00

Nonstop1h 40m

€36

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 28/9

06:25-09:05

Nonstop1h 40m

Brussels Bruxelles-National

Thu 9/10

21:40-22:20

Nonstop1h 40m

€37

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 18/9

18:25-21:05

Nonstop1h 40m

Brussels Bruxelles-National

Mon 22/9

22:25-23:05

Nonstop1h 40m

€38

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 21/9

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Sun 28/9

09:45-10:25

Nonstop1h 40m

€70

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 22/9

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Mon 29/9

22:25-23:05

Nonstop1h 40m

€72

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 24/9

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Thu 25/9

10:20-11:05

Nonstop1h 45m

€73

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Mon 22/9

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Wed 24/9

10:20-11:05

Nonstop1h 45m

€84

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 7/10

21:35-09:45

1 stop11h 10m

Brussels Bruxelles-National

Tue 14/10

22:15-09:10

1 stop11h 55m

€102

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 7/10

21:35-09:45

1 stop11h 10m

Brussels Bruxelles-National

Tue 14/10

22:15-09:10

1 stop11h 55m

€103

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brussels from

How to get the cheapest flight ticket from Dublin to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Brussels?

The month of January is, on average, the cheapest month to fly to Brussels from Dublin, with most prices found around €64. If you are unable to visit Brussels during the month of January, then departing from Dublin during the month September is also very affordable. Most momondo users find prices during this month for around €67.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Dublin is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as €84. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Brussels on Monday is €355.

What is the cheapest time of day to depart on your flight to Brussels?

In the afternoon is the cheapest time of day to fly from Dublin to Brussels when you can find flight prices for as low as €115. Flying to Brussels in the afternoon is an ideal time because this is during off-peak travel hours. Flights at midday are often more expensive, with an average ticket price of €140.

What is the cheapest Dublin to Brussels flight route?

Fly from Dublin to Brussels Bruxelles-National for the best Dublin - Brussels flight prices

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around €92 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Dublin for as low as €68 on momondo.

What cabin class options are available on Dublin to Brussels flights?

There are 1 cabin classes available to choose from on Dublin to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Dublin to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Brussels

Fastest flight time

1h 30m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Brussels

2 airports
The fastest flight from Dublin to Brussels takes 1h 30m
Direct flights go from Dublin to Brussels on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There are 2 airports near Brussels: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)
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  • How far is Dublin to Brussels by plane?

    A flight from Dublin to Brussels will travel around 774.5 km. Flights usually cover this in 1h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Dublin Airport to Brussels?

    Prices for flights from Dublin Airport to Brussels are refreshed on a daily basis.

  • How many operators does momondo search for flights from Dublin Airport to Brussels?

  • How old do you have to be to fly from Dublin Airport to Brussels?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The travel and health documents required for your trip to Brussels can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Brussels. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Dublin to Brussels

Compare and see reviews for airlines that fly from Dublin to Brussels with momondo
Airline
Rating
Free Cancellation
Price
Aer LingusPriceFrom €59Free CancellationRating
7.2
1,237 reviews
Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Brussels?

Finding the right flight to Brussels from Dublin is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Brussels quick and easy, saving you time and money.

Can I find flights from Dublin to Brussels with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Dublin to Brussels flights to just show those with flexible booking policies.

How can momondo help me find flights from Dublin to Brussels?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dublin to Brussels.

I’m not ready to book a flight from Dublin to Brussels right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Dublin to Brussels now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Brussels and let you know when they change.

An easier way to manage your Brussels trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 44.1 km from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport