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Cheap flights from Ireland to Brussels from £28

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BRU
7 Apr — 14 Apr1
1 adult

Cheap flight deals from Ireland to Brussels

Keep the following information in mind while searching for Ireland to Brussels flight deals. Data was last updated 2 April 2025.

Round-trip from

£55

One-way from

£28

Popular in

July

Cheapest in

January

Average price

£93
Ryanair
  • Ryanair
  • 24/6-30/6
  • Nonstop
  • 3h 20m total
  • Ireland to Brussels
Search Deals
Ryanair
  • Ryanair
  • 27/6
  • Nonstop
  • 1h 40m total
  • Ireland to Brussels
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Ireland to Brussels

Cheapest flights from Ireland to Brussels
Explore the most affordable flight options available from Ireland to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2025.

Tue 24/606:45DUB - BRU
Nonstop1h 40mRyanair
Mon 30/622:25BRU - DUB
Nonstop1h 40mRyanair
Deal found 2/4£55
Tue 13/506:50DUB - BRU
Nonstop1h 50mAer Lingus
Fri 16/521:20BRU - DUB
Nonstop1h 35mAer Lingus
Deal found 2/4£59
Fri 2/512:40DUB - BRU
1 stop4h 50mMultiple Airlines
Fri 9/520:45BRU - DUB
Nonstop1h 40mMultiple Airlines
Deal found 2/4£102
Wed 14/519:05DUB - BRU
1 stop13h 35mScandinavian Airlines
Mon 19/518:55BRU - DUB
1 stop17h 00mScandinavian Airlines
Deal found 2/4£141
Tue 28/1010:45DUB - BRU
1 stop11h 25mLufthansa
Wed 19/1112:45BRU - DUB
1 stop5h 30mLufthansa
Deal found 2/4£144
Sun 26/1005:55DUB - BRU
1 stop3h 15mKLM
Tue 18/1108:05BRU - DUB
1 stop5h 35mKLM
Deal found 2/4£148
Mon 27/1018:40DUB - BRU
1 stop13h 10mSWISS
Fri 21/1109:45BRU - DUB
1 stop27h 20mSWISS
Deal found 2/4£158
Mon 27/1008:30DUB - BRU
2 stops7h 30mAustrian Airlines
Tue 18/1119:50BRU - DUB
2 stops16h 10mAustrian Airlines
Deal found 2/4£252

Cheapflights Fare Finder

Customise your flight search to find flights from Ireland 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, Cheapflights users made 858,174 searches. Data last updated 2 April 2025.
Use the filters below to find and compare flights from Ireland to Brussels that are best for you.

Fly from

Ireland

Fly to

Brussels

Route

Depart

Return

Price

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 24/6

06:45-09:25

Nonstop1h 40m

Brussels Bruxelles-National

Mon 30/6

22:25-23:05

Nonstop1h 40m

£55

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 13/5

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Fri 16/5

21:20-21:55

Nonstop1h 35m

£59

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 2/5

12:40-18:30

1 stop4h 50m

Brussels Bruxelles-National

Fri 9/5

20:45-21:25

Nonstop1h 40m

£102

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Wed 14/5

19:05-09:40

1 stop13h 35m

Brussels Bruxelles-National

Mon 19/5

18:55-10:55

1 stop17h 00m

£141

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 20/5

10:40-17:15

1 stop5h 35m

Brussels Bruxelles-National

Thu 29/5

12:45-16:55

1 stop5h 10m

£147

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 17/5

08:40-19:15

1 stop9h 35m

Brussels Bruxelles-National

Sat 24/5

20:00-12:10

1 stop17h 10m

£161

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 22/7

17:20-22:15

1 stop3h 55m

Brussels Bruxelles-National

Thu 31/7

15:05-20:15

1 stop6h 10m

£167

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 20/5

12:10-16:45

2 stops27h 35m

Brussels Bruxelles-National

Fri 30/5

15:40-22:15

2 stops7h 35m

£255

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Fri 27/6

17:30-20:10

Nonstop1h 40m

£28

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Tue 20/5

19:05-09:40

1 stop13h 35m

£73

Flights are sorted by cheapest return flights first.

Deals found on 2/4

Showing 1-10 of 18 results
1
2

Best time to book a flight from Ireland to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Brussels

What is the cheapest month to book a flight from Ireland to Brussels?

Currently, January is the cheapest month in which you can book a flight from Ireland to Brussels (average of £117). Flying from Ireland to Brussels in July is currently the most expensive (average of £172). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to BRU?

Find hourly flight availability from Ireland to Brussels. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 April 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 21% on flights from Ireland to Brussels by exploring options for tickets in the afternoon.

Weekly flight availability from Ireland to Brussels

Explore weekly flight availability from Ireland to Brussels. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 2 April 2025.

The most flights from IE0 to BR1 are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Brussels by month

Plan your trip to Brussels by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Brussels ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. August is typically the driest time to visit Brussels when rainfall is around 40.0 mm.

Temperature in Brussels by month

Plan your trip to Brussels by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 3.0 C).

Reviews of airlines servicing Brussels

Get insights into the airlines that provide service to Brussels. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Brussels. Reviews last updated 2 April 2025.
To help decide which airline to fly from Ireland to Brussels, see what other customers have to say about KLM, Austrian Airlines and SWISS. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,323 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
771 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,574 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Scandinavian Airlines
7.3
Good
1,328 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
TAP AIR PORTUGAL
7.1
Good
1,833 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Boarding

7.8

Overall

7.8

Food

7.3

Entertainment

7.2

Comfort

7.7

Crew

8.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Ireland to Brussels one-way?

    £28 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on Scandinavian Airlines and KLM, with prices starting from £73 and £81, respectively.

  • What are the most reliable airlines from Ireland to Brussels?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Ireland to Brussels on time: Ryanair (86%), American Airlines (86%), Aer Lingus (85%).

  • What are the cheapest flights from Ireland to Brussels?

    The cheapest flight price from Ireland to Brussels is £42. On average you can expect to pay £77. The most popular route, (Dublin - Brussels Bruxelles-National), can usually be booked for £113.

  • Can I find deals for flights from Ireland to Brussels that include hotel bookings?

    Yes. In addition to deals on Ireland to Brussels flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Brussels?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Brussels.

  • Can I find deals for business class flights from Ireland to Brussels?

    Yes. Cheapflights offers flight deals from Ireland to Brussels by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to Brussels?

    Currently, January is the cheapest month in which you can book a flight from Ireland to Brussels (average of £117). Flying from Ireland to Brussels in July is currently the most expensive (average of £172). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ireland to Brussels

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ireland to Brussels

Discover the top 2 airlines that operate flights from Ireland to Brussels. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 April 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£30Average£78FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£55Average£79FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to Brussels?

Deals for Ireland to Brussels flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Brussels?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Brussels.

Can Cheapflights find flights from Ireland to Brussels with no change fees?

Certainly. Search results for flights to Brussels from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ireland to Brussels become cheaper?

Yes! Start tracking prices for Ireland to Brussels flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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