€15 Find Cheap Flights from Dublin to Brussels – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 35% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
€37
Typical prices: €86-€168
Ryanair
Wed 28/11Fri 30/11
DUB - CRL • Direct
Cheapest one-way flight
€15
Typical prices: €42-€135
Ryanair
Wed 28/11
DUB - CRL • Direct
Direct flights
Every day
You can fly direct with Ryanair and Aer Lingus. Average duration is 1h 44m
Direct flights
+1
Direct flights
+1
Top routes
DUB - CRL
Cheapest • 6% average savings
DUB - BRU
Most popular
Insights
Insights
Avoid delays
Aer Lingus
Most punctual • 90% on-time
Night
Best time • Fewest delays
Insights
Insights
When to book
14 weeks
in advance
Our data shows that travellers who book at least 14 weeks in advance save around 50% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 41% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Manchester (MAN)
Cheapest • Avg €123 (return)
Zurich (ZRH)
Shortest trip • 9h 38m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Brussels!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Dublin to Brussels (DUB-BRU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Dublin to Brussels

Sat, 28 Nov - Mon, 30 Nov
Ryanair Logo
15:45 - 18:25DUB  Dublin-CRL Charleroi Brussels
1h 40mdirect
Ryanair Logo
09:45 - 10:30CRL  Charleroi Brussels-DUB Dublin
1h 45mdirect
€37Ryanair
Sat, 28 Nov - Mon, 30 Nov
Ryanair Logo
15:45 - 18:25DUB  Dublin-CRL Charleroi Brussels
1h 40mdirect
Ryanair Logo
09:45 - 10:30CRL  Charleroi Brussels-DUB Dublin
1h 45mdirect
€39Ryanair
Tue, 24 Nov - Tue, 1 Dec
Ryanair Logo
06:35 - 09:15DUB  Dublin-BRU Brussels Bruxelles-National
1h 40mdirect
Ryanair Logo
09:50 - 10:30BRU  Brussels Bruxelles-National-DUB Dublin
1h 40mdirect
€53Ryanair
Thu, 19 Nov - Sat, 21 Nov
Ryanair Logo
06:40 - 09:20DUB  Dublin-BRU Brussels Bruxelles-National
1h 40mdirect
Ryanair Logo
16:25 - 17:05BRU  Brussels Bruxelles-National-DUB Dublin
1h 40mdirect
€54Ryanair
Mon, 30 Nov - Thu, 3 Dec
Multiple Airlines Logo
19:10 - 08:45DUB  Dublin-CRL Charleroi Brussels
12h 35m1 stop Tirana Rinas
Multiple Airlines Logo
16:40 - 17:25CRL  Charleroi Brussels-DUB Dublin
1h 45mdirect
€68Multiple Airlines
Fri, 29 Jan - Wed, 3 Feb
Multiple Airlines Logo
15:40 - 18:25DUB  Dublin-BRU Brussels Bruxelles-National
1h 45mdirect
Multiple Airlines Logo
17:30 - 18:10BRU  Brussels Bruxelles-National-DUB Dublin
1h 40mdirect
€69Multiple Airlines
Mon, 30 Nov - Thu, 3 Dec
Multiple Airlines Logo
19:10 - 08:45DUB  Dublin-CRL Charleroi Brussels
12h 35m1 stop Tirana Rinas
Multiple Airlines Logo
16:40 - 17:25CRL  Charleroi Brussels-DUB Dublin
1h 45mdirect
€69Multiple Airlines
Thu, 4 Feb - Sun, 7 Feb
Aer Lingus Logo
06:50 - 09:40DUB  Dublin-BRU Brussels Bruxelles-National
1h 50mdirect
Aer Lingus Logo
16:05 - 16:50BRU  Brussels Bruxelles-National-DUB Dublin
1h 45mdirect
€83Aer Lingus
Sat, 20 Feb - Sun, 21 Feb
Aer Lingus Logo
06:50 - 09:40DUB  Dublin-BRU Brussels Bruxelles-National
1h 50mdirect
Aer Lingus Logo
20:50 - 21:35BRU  Brussels Bruxelles-National-DUB Dublin
1h 45mdirect
€91Aer Lingus
Sun, 14 Feb - Thu, 18 Feb
Aer Lingus Logo
06:50 - 09:40DUB  Dublin-BRU Brussels Bruxelles-National
1h 50mdirect
Aer Lingus Logo
19:05 - 19:50BRU  Brussels Bruxelles-National-DUB Dublin
1h 45mdirect
€91Aer Lingus
Booking Insights

Price, demand, and travel trends for Dublin to Brussels flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Dublin to Brussels?

Return flights from Dublin to Brussels typically range from €86 to €168. The lowest price found in the past 5 days was €37 on Ryanair.

What's the cheapest day of the week to fly from Dublin to Brussels?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Dublin to Brussels. It's 5% cheaper than the average day, while Wednesday is the most expensive, with prices 13% higher.

What is the cheapest month to fly from Dublin to Brussels?

•January is the cheapest month to fly from Dublin to Brussels at €70 return.
•July (€143) and May (€141) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 103% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Dublin to Brussels the cheapest?

Flights from Dublin to Brussels are cheapest 14 weeks before departure. Booking in this window typically costs about 50% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Dublin to Brussels flights

Low season

February

Cheapest flight

€15
Beat the crowds with an average 34% drop in travellers.
The most popular month to fly with an average 44% increase in travellers.
One-way flight from Dublin to Charleroi Brussels Airport

When to book flights from Dublin to Brussels

Are your dates flexible? Find out the best times to travel from Dublin to Brussels based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Dublin to Brussels flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Dublin to Brussels?

    These are the earliest and latest flight times available from Dublin to Brussels:

    • Earliest: departs at 06:20 and lands at 08:04
    • Latest: departs at 18:15 and lands at 19:59.

    The flight takes about 1h 44m.

  • Which cabin classes can I book on flights from Dublin to Brussels?

    Only Economy class is available on flights from Dublin to Brussels.

  • How long is a flight from Dublin to Brussels?

    A direct flight from Dublin to Brussels takes 1h 44m, covering 1,250 km.

  • Do I need a passport to fly from Dublin to Brussels?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Dublin to Brussels flight?

    Return flights from Dublin to Brussels range from €86 to €168, with an average of €118 over the past 12 months. Anything below €86 counts as a good deal.

  • How expensive are last-minute Dublin to Brussels flights?

    Last-minute fares on this route (booked within two weeks of departure) run 56% above the €118 route average. Book 14 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Dublin to Brussels?

    On this route, direct and stopover fares are close on average, with direct at €119 return and stopover options via Manchester (MAN) at €123.

  • What is the standard checked bag allowance on flights from Dublin to Brussels?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge €17–€90 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • How are flight departures from Dublin to Brussels spread across the day?

    Morning is the busiest departure period on Dublin to Brussels flights, with 50% leaving in that window. Afternoon departures account for 50%, Evening flights for 0%, and Night flights for 0%.

  • How are flight prices from Dublin to Brussels looking right now?

    One-way fares from Dublin to Brussels are currently lower than usual. Average one-way flight prices are about €36, which is 52% below the typical average for this route.

  • What car hire options are available in Brussels?

    Since Brussels is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near Brussels Bruxelles-National Airport (BRU) – daily rates from around €42:

    • Alamo
    • Hertz
    • keddy by Europcar
    • Europcar
    • Sixt

    Near Charleroi Brussels Airport (CRL) – daily rates from around €51:

    • keddy by Europcar
    • Europcar
    • Hertz
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Dublin to Brussels?

    Flights from Dublin to Brussels usually depart from Dublin (DUB) and may arrive at several airports in Brussels area, including Brussels Bruxelles-National (BRU) and Charleroi Brussels (CRL).

  • What time of day has the fewest delays on flights from Dublin to Brussels?

    Night flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from Dublin to Brussels?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Dublin to Brussels route, 11% of flights were delayed in the past three months, with delays averaging 1h 54m.

  • Which airports do connecting flights from Dublin to Brussels pass through?

    Connecting flights from Dublin to Brussels most commonly pass through:

    • Manchester (MAN) – 93% of one-stop connections
    • Zurich (ZRH) – 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Dublin to Brussels?

    Yes. Flexible dates can save you up to 16% on flights from Dublin to Brussels. Friday is the cheapest departure day at €113 return on average, while Wednesday is the most expensive at €134, a difference of €22.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Dublin to Brussels?

    2 airlines operate flights between Dublin and Brussels. The airlines offering direct flights on this route include:

    • Ryanair
    • Aer Lingus

  • How much time can I save by choosing a different stopover airport from Dublin to Brussels?

    Flying via Manchester (MAN) gives the shortest average 1-stop total travel time of 5h 52m, compared to 9h 38m via Zurich (ZRH).

  • What is the time difference between Dublin and Brussels?

    Brussels is 1 hour ahead of Dublin (Central European Time vs Irish Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Brussels?

    Some of the most popular sights in Brussels are Grand Place, Centre de Conference Albert Borschette, and Place Rogier. These are among the most viewed places in Brussels on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Dublin to Brussels flights?

    Among airlines operating Dublin to Brussels flights:

    • Ryanair: offers free seat selection
    • Aer Lingus: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Dublin to Brussels flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Ryanair: a cabin bag and a checked bag in Economy class
    • Aer Lingus: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Dublin to Brussels flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Wednesday. On this route, Friday flights average €113, about €22 less than Wednesday fares (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 50% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Dublin to Brussels trip for January. Fares historically average €70 return in that month – typically €73 less than the most expensive month, which is July (based on the last 12 months).
  • For the best chance of arriving on time, fly with Aer Lingus. Over the past three months, 90% of Aer Lingus flights from Dublin to Brussels arrived on time, slightly above the route average of 89%. When flights on this route arrive late, they're delayed by an average of 1h 54m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Brussels Bruxelles-National Airport.

    • NH Brussels Airport
    • Crowne Plaza Brussels Airport By IHG

Prefer to fly direct from Dublin to Brussels?

 
Find which airlines fly direct from Dublin Airport to Brussels, which days they fly and book direct flights.

Direct departures

Dublin to Brussels

Monday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Tuesday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Wednesday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Thursday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Friday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Saturday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Sunday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

See more direct flights

Direct returns

Brussels to Dublin

Monday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Tuesday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Wednesday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Thursday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Friday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Saturday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

Sunday

Aer Lingus,Ryanair

Aer Lingus,Ryanair

See more direct flights

More options for your flight from Dublin to Brussels

Complete your trip to Brussels with a hotel stay or car hire

Car hire in Brussels
Hotels in Brussels
Holidays in Brussels