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Cheap flights from Ireland to Brussels from £21

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Brussels departing on 25/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Brussels

Recent return flight deals from Ireland to Brussels

KAYAK's recommended return flight deals from the most popular airlines that fly from Ireland to Brussels.
Ryanair Logo
06:30 - 09:00DUB-BRU
1h 30mdirect
Ryanair Logo
09:30 - 10:20BRU-DUB
1h 50mdirect
£44Ryanair
Find Deal
Mon, 16 Jun - Mon, 23 Jun
Ryanair Logo
06:45 - 09:25DUB-BRU
1h 40mdirect
Ryanair Logo
09:30 - 10:20BRU-DUB
1h 50mdirect
£44Ryanair
Find Deal
Tue, 3 Jun - Mon, 23 Jun
Aer Lingus Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Aer Lingus Logo
21:20 - 21:55BRU-DUB
1h 35mdirect
£61Aer Lingus
Find Deal
Mon, 19 May - Wed, 21 May
 Logo
12:40 - 18:30DUB-BRU
4h 50m1 stop
 Logo
21:20 - 21:55BRU-DUB
1h 35mdirect
Tue, 3 Jun - Mon, 23 Jun
Scandinavian Airlines Logo
19:05 - 09:40DUB-BRU
13h 35m1 stop
Scandinavian Airlines Logo
20:30 - 11:50BRU-DUB
16h 20m1 stop
£153Scandinavian Airlines
Find Deal
Tue, 3 Jun - Sun, 8 Jun
Aer Lingus Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Aer Lingus Logo
10:20 - 11:05BRU-DUB
1h 45mdirect
£153Aer Lingus
Find Deal
Tue, 3 Jun - Sat, 7 Jun
KLM Logo
17:20 - 22:15DUB-BRU
3h 55m1 stop
KLM Logo
08:00 - 12:35BRU-DUB
5h 35m1 stop
£157KLM
Find Deal
Wed, 13 Aug - Sun, 17 Aug
 Logo
10:40 - 17:15DUB-BRU
5h 35m1 stop
 Logo
06:55 - 12:10BRU-DUB
6h 15m1 stop
Wed, 7 May - Mon, 19 May
Scandinavian Airlines Logo
10:05 - 19:40DUB-BRU
8h 35m1 stop
Scandinavian Airlines Logo
20:30 - 09:50BRU-DUB
14h 20m1 stop
£160Scandinavian Airlines
Find Deal
Wed, 2 Jul - Tue, 8 Jul
KLM Logo
17:20 - 22:15DUB-BRU
3h 55m1 stop
KLM Logo
08:00 - 12:35BRU-DUB
5h 35m1 stop
£171KLM
Find Deal
Tue, 10 Jun - Fri, 20 Jun

Ryanair flights from Ireland to Brussels

Our best Ryanair deals on Ireland to Brussels flight tickets
Ryanair
16 Jun
DUB06:30Dublin
1h 30m
BRU09:00Brussels Bruxelles-National
23 Jun
BRU09:30Brussels Bruxelles-National
1h 50m
DUB10:20Dublin
Ryanair
3 Jun
DUB06:45Dublin
1h 40m
BRU09:25Brussels Bruxelles-National
23 Jun
BRU09:30Brussels Bruxelles-National
1h 50m
DUB10:20Dublin
Ryanair
16 Jun
DUB06:30Dublin
1h 30m
BRU09:00Brussels Bruxelles-National
24 Jun
BRU10:00Brussels Bruxelles-National
1h 40m
DUB10:40Dublin

SWISS flights from Ireland to Brussels

Our best SWISS deals on Ireland to Brussels flight tickets
SWISS
8 May
DUB08:40Dublin
4h 35m
1 stop
BRU14:15Brussels Bruxelles-National
11 May
BRU20:05Brussels Bruxelles-National
17h 05m
1 stop
DUB12:10Dublin
SWISS
5 Jun
DUB18:40Dublin
14h 35m
1 stop
BRU10:15Brussels Bruxelles-National
12 Jun
BRU09:40Brussels Bruxelles-National
23h 10m
1 stop
DUB07:50Dublin
SWISS
8 May
DUB08:40Dublin
12h 50m
2 stops
BRU22:30Brussels Bruxelles-National
12 May
BRU06:55Brussels Bruxelles-National
6h 15m
1 stop
DUB12:10Dublin

See travel insights to Brussels from

How to get the cheapest flight ticket from Ireland 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?

In general, January is the cheapest month to fly from Ireland to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £56. If you are unable to visit Brussels during the month of January, then departing from Ireland during the month September is also very affordable. Most momondo users find prices during this month for around £59.

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

Our data shows that Tuesday is the least expensive day to fly to Brussels. Tickets to fly out on this day can be as low as £59. On the other hand, Thursday is the most expensive day to depart from Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £108.

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

According to our data, the cheapest time of day to fly to Brussels is in the afternoon. momondo users have found flights departing from Ireland to Brussels in the afternoon for as low as £67. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to Brussels, so prices are often more expensive at around £85 per ticket.

What is the cheapest Ireland to Brussels flight route?

Fly from Dublin to Brussels Bruxelles-National for the best Ireland - 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 Ireland when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around £83 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Ireland for as low as £59 on momondo.

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

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

Cheap Ireland to Brussels flight deals and tips

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

Best price found

£21

Fastest flight time

1h 30m

Direct flights

Every day

Airports in Brussels

1 airport
The best one-way flight to Brussels from Ireland in the past 72 hours is £21. The best return flight deal from Ireland to Brussels found on momondo in the last 72 hours is £44.
The fastest flight from Ireland to Brussels takes 1h 30m
Direct flights go from Ireland to Brussels every day.
There is 1 airport near Brussels: Brussels Bruxelles-National (BRU)

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Brussels.

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

    The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Ireland to Brussels

Compare and see reviews for airlines that fly from Ireland to Brussels with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £29Free CancellationRating
6.8
5,048 reviews
Search Ryanair flights
Aer LingusPriceFrom £53Free CancellationRating
7.0
1,070 reviews
Search Aer Lingus flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Brussels . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Brussels from Ireland which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brussels from Ireland.

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

Of course. momondo tracks the price of Ireland to Brussels flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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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 27.4 mi from Brussels