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Cheap flights from Dublin to Brussels from £21

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BRU
27 gen — 3 feb1
1 adult

The best prices from Dublin to Brussels are usually found in September or January, booked 43 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Dublin to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 gennaio 2025.

Round-trip from

£31

One-way from

£21

Popular in

July

Cheapest in

September

Average price

£76
Ryanair
  • Ryanair
  • 3/3-4/3
  • Nonstop
  • 3h 25m total
  • Dublin to Brussels
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Ryanair
  • Ryanair
  • 20/5
  • Nonstop
  • 1h 40m total
  • Dublin to Brussels
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Highest demand for flights based on searches. 4% potential increase in price (£4 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in January 2025
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Find flight deals from Dublin to Brussels

Cheapest flights from Dublin to Brussels
Explore the most affordable flight options available from Dublin to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 gennaio 2025.

ven 28/317:50DUB - BRU
Nonstop1h 40mRyanair
mar 1/416:35BRU - DUB
Nonstop1h 40mRyanair
Deal found 21/1£39
lun 3/305:45DUB - BRU
Nonstop1h 40mMultiple Airlines
mar 4/322:05BRU - DUB
1 stop10h 25mMultiple Airlines
Deal found 21/1£89
mar 25/215:30DUB - BRU
Nonstop1h 45mAer Lingus
sab 1/310:15BRU - DUB
Nonstop1h 45mAer Lingus
Deal found 21/1£102
ven 28/218:00DUB - BRU
1 stop15h 20mLufthansa
dom 2/306:45BRU - DUB
1 stop5h 05mLufthansa
Deal found 21/1£133
gio 20/217:25DUB - BRU
1 stop3h 50mKLM
mar 25/206:15BRU - DUB
1 stop7h 25mKLM
Deal found 21/1£138
gio 15/512:20DUB - BRU
1 stop5h 00mScandinavian Airlines
mer 21/510:20BRU - DUB
1 stop8h 55mScandinavian Airlines
Deal found 21/1£155
mer 5/312:55DUB - BRU
1 stop18h 55mSWISS
mer 12/306:40BRU - DUB
1 stop6h 25mSWISS
Deal found 21/1£160
mer 7/517:35DUB - BRU
2 stops19h 30mAustrian Airlines
lun 19/517:55BRU - DUB
2 stops23h 55mAustrian Airlines
Deal found 21/1£236
mar 22/415:00DUB - BRU
1 stop22h 55mQatar Airways
dom 27/410:20BRU - DUB
Nonstop1h 45mQatar Airways
Deal found 21/1£767

Find flights from Dublin to Brussels within your budget

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, Cheapflights users made 858,174 searches. Data last updated 22 gennaio 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinBrussels

DUB - BRU

DUBBRU

Dublin

lun 3/3

05:45-08:25

Nonstop1h 40m

Brussels Bruxelles-National

ven 7/3

20:55-21:40

Nonstop1h 45m

£37

DublinBrussels

DUB - BRU

DUBBRU

Dublin

lun 3/3

05:45-08:25

Nonstop1h 40m

Brussels Bruxelles-National

mar 4/3

22:05-07:30

1 stop10h 25m

£89

DublinBrussels

DUB - BRU

DUBBRU

Dublin

mar 25/2

15:30-18:15

Nonstop1h 45m

Brussels Bruxelles-National

sab 1/3

10:15-11:00

Nonstop1h 45m

£102

DublinBrussels

DUB - BRU

DUBBRU

Dublin

ven 28/2

18:00-10:20

1 stop15h 20m

Brussels Bruxelles-National

dom 2/3

06:45-10:50

1 stop5h 05m

£133

DublinBrussels

DUB - BRU

DUBBRU

Dublin

gio 20/2

17:25-22:15

1 stop3h 50m

Brussels Bruxelles-National

mar 25/2

06:15-12:40

1 stop7h 25m

£138

DublinBrussels

DUB - BRU

DUBBRU

Dublin

gio 15/5

12:20-18:20

1 stop5h 00m

Brussels Bruxelles-National

mer 21/5

10:20-18:15

1 stop8h 55m

£155

DublinBrussels

DUB - BRU

DUBBRU

Dublin

mer 5/3

12:55-10:00

1 stop20h 05m

Brussels Bruxelles-National

mer 12/3

09:45-17:50

1 stop9h 05m

£160

DublinBrussels

DUB - BRU

DUBBRU

Dublin

gio 20/2

05:15-17:00

2 stops10h 45m

Brussels Bruxelles-National

mar 25/2

06:40-16:40

2 stops11h 00m

£233

DublinBrussels

DUB - BRU

DUBBRU

Dublin

mar 22/4

15:00-14:55

1 stop22h 55m

Brussels Bruxelles-National

dom 27/4

10:20-11:05

Nonstop1h 45m

£767

DublinBrussels

DUB - BRU

DUBBRU

Dublin

mar 20/5

19:00-21:40

Nonstop1h 40m

£21

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 19 results
1
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Best time to book a flight from Dublin to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Dublin 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.

Travel insights for flights from Dublin to Brussels

Get recent, data-driven insights about flights from Dublin to Brussels including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Dublin to Brussels?

Use this chart to determine the optimal time to book a return flight from Dublin to Brussels. Price data was last updated on 17 January 2025.

The best time to book flights from Dublin to Brussels is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Dublin to Brussels (average of £117). Flying from Dublin to Brussels in May is currently the most expensive (average of £173). 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 DUB to BRU?

Find hourly flight availability from Dublin 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 22 gennaio 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 13% on flights from Dublin to Brussels by exploring options for tickets in the afternoon.

Weekly flight availability from Dublin to Brussels

Explore weekly flight availability from Dublin 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 22 gennaio 2025.

The most flights from DUB to BR1 are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 22 gennaio 2025.
Peruse reviews from past customers who have flown with Ryanair, Lufthansa and SWISS from Dublin to Brussels to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,341 reviews
Check prices

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,341 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Qatar Airways
7.5
Good
3,754 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Austrian Airlines
7.5
Good
787 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,600 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Scandinavian Airlines
7.3
Good
1,320 reviews
KLM
7.8
Good
1,341 reviews
Check prices

Entertainment

7.2

Overall

7.8

Food

7.3

Crew

8.4

Boarding

7.8

Comfort

7.7

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

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

  • What airport do you fly from for flights from Dublin to Brussels?

    Located just 5.7 mi from the city center, Dublin is the airport most travelers will use when flying to Brussels from Dublin. Booking flights from Dublin (DUB) to Brussels should be relatively easy as there are 5 daily outbound flights to Brussels from 2 different airlines.

  • What are the cheapest airlines flying from Dublin to Brussels round-trip?

    According to our current data, Ryanair (£31), Aer Lingus (£102), and Lufthansa (£133) offers the cheapest pricing from Dublin to Brussels. Ryanair is 68% cheaper than the average price of flights available within the next 90 days to this destination.

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

    £21 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 Lufthansa, with prices starting from £61 and £62, respectively.

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

    The top 3 most reliable airlines when flying from Dublin to Brussels are American Airlines (92%), Qatar Airways (89%) and JetBlue (89%).

  • What are the cheapest flights from Dublin to Brussels?

    While on average a flight from Dublin to Brussels is generally £88, our data shows the cheapest flight currently is £31. When looking at the most popular route, (Dublin - Brussels Bruxelles-National), you can expect to pay £119 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin 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 Dublin to Brussels?

    Currently, January is the cheapest month in which you can book a flight from Dublin to Brussels (average of £117). Flying from Dublin to Brussels in May is currently the most expensive (average of £173). 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

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Alternative routes for Dublin to Brussels

See prices for flight routes from nearby airports that may be better suited for you.
Dublin to Bruxelles-National flights

Top 2 airlines flying from Dublin to Brussels

Discover the top 2 airlines that operate flights from Dublin 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 22 gennaio 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£32Average£86FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£59Average£95FlexibilityNo 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 Dublin to Brussels?

Deals for Dublin 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 Dublin to Brussels?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Brussels from Dublin.

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

Certainly. Search results for flights to Brussels from Dublin 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 Dublin to Brussels become cheaper?

Of course! You can now track prices for flights from Dublin to Brussels and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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