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Flights to Brussels

€26 Cheap flights to Brussels

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Brussels departing on 16/10. 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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Find the cheapest flights from Ireland to Brussels

Cheap return flights

Ryanair Logo
07:05 - 09:45DUB-BRU
1h 40mdirect
Ryanair Logo
10:20 - 11:00BRU-DUB
1h 40mdirect
€31Ryanair
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Thu, 2 Oct - Thu, 9 Oct
Ryanair Logo
18:25 - 21:05DUB-BRU
1h 40mdirect
Ryanair Logo
22:25 - 23:05BRU-DUB
1h 40mdirect
€32Ryanair
Find Deal
Thu, 9 Oct - Mon, 13 Oct
Logo
06:50 - 09:35DUB-BRU
1h 45mdirect
Logo
17:00 - 17:45BRU-DUB
1h 45mdirect
€66
Find Deal
Sat, 15 Nov - Wed, 19 Nov
Aer Lingus Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Aer Lingus Logo
21:20 - 21:55BRU-DUB
1h 35mdirect
€67Aer Lingus
Find Deal
Thu, 9 Oct - Mon, 13 Oct
Aer Lingus Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Aer Lingus Logo
21:20 - 21:55BRU-DUB
1h 35mdirect
€69Aer Lingus
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Thu, 9 Oct - Mon, 13 Oct
Logo
06:50 - 09:40DUB-BRU
1h 50mdirect
Logo
09:45 - 10:25BRU-DUB
1h 40mdirect
€74
Find Deal
Sun, 12 Oct - Sun, 19 Oct
Lufthansa Logo
17:10 - 22:35ORK-BRU
4h 25m1 stop
Lufthansa Logo
10:30 - 16:25BRU-ORK
6h 55m1 stop
€155Lufthansa
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Mon, 6 Oct - Wed, 15 Oct
Lufthansa Logo
17:10 - 22:35ORK-BRU
4h 25m1 stop
Lufthansa Logo
06:45 - 16:25BRU-ORK
10h 40m2 stops
€180Lufthansa
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Mon, 13 Oct - Mon, 20 Oct
KLM Logo
06:00 - 07:35ORK-BRU
24h 35m1 stop
KLM Logo
08:05 - 10:45BRU-ORK
3h 40m1 stop
€269KLM
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Thu, 30 Oct - Thu, 6 Nov
KLM Logo
06:00 - 14:15ORK-BRU
7h 15m1 stop
KLM Logo
08:05 - 23:25BRU-ORK
16h 20m1 stop
€275KLM
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Thu, 1 Jan - Wed, 7 Jan

momondo Fare Finder

 
Locate flights to Brussels that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 13,528 searches and data was last updated on 16 September 2025.
Use the filters below to find and compare flights to Brussels that are best for you.

Fly from

Route

Depart

Return

Price

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 2/10

07:05-09:45

Nonstop1h 40m

Brussels Bruxelles-National

Thu 9/10

10:20-11:00

Nonstop1h 40m

€31

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 9/10

18:25-21:05

Nonstop1h 40m

Brussels Bruxelles-National

Mon 13/10

22:25-23:05

Nonstop1h 40m

€32

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sat 15/11

06:50-09:35

Nonstop1h 45m

Brussels Bruxelles-National

Wed 19/11

17:00-17:45

Nonstop1h 45m

€66

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 9/10

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Mon 13/10

21:20-21:55

Nonstop1h 35m

€67

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Thu 9/10

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Mon 13/10

21:20-21:55

Nonstop1h 35m

€69

DublinBrussels

DUB - BRU

DUBBRU

Dublin

Sun 12/10

06:50-09:40

Nonstop1h 50m

Brussels Bruxelles-National

Sun 19/10

09:45-10:25

Nonstop1h 40m

€74

CorkBrussels

ORK - BRU

ORKBRU

Cork

Mon 6/10

17:10-22:35

1 stop4h 25m

Brussels Bruxelles-National

Wed 15/10

10:30-16:25

1 stop6h 55m

€155

CorkBrussels

ORK - BRU

ORKBRU

Cork

Mon 13/10

17:10-22:35

1 stop4h 25m

Brussels Bruxelles-National

Mon 20/10

06:45-16:25

2 stops10h 40m

€180

CorkBrussels

ORK - BRU

ORKBRU

Cork

Thu 30/10

06:00-07:35

1 stop24h 35m

Brussels Bruxelles-National

Thu 6/11

08:05-10:45

1 stop3h 40m

€269

CorkBrussels

ORK - BRU

ORKBRU

Cork

Thu 1/1

06:00-14:15

1 stop7h 15m

Brussels Bruxelles-National

Wed 7/1

08:05-23:25

1 stop16h 20m

€275

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

Brussels flights insights and trends

Explore insights for your Brussels flight to craft the best travel plan

What is the cheapest month to fly to Brussels?

The month of January is, on average, the cheapest month to fly to Brussels from Ireland, with most prices found around €64. 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 €66.

What is the absolute cheapest flight to Brussels?

In the past two weeks, users have booked deals to Brussels for €34/person, which is 75% cheaper than the average flight to Brussels. To find the cheapest price to Brussels from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:

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

On average, the least expensive day to fly to Brussels from Ireland is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as €88. 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 €212.

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 Ireland to Brussels when you can find flight prices for as low as €111. Flying to Brussels in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the morning are often more expensive, with an average ticket price of €134.

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 weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around €90 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 Ireland for as low as €68 on momondo.

Cheapest flights to Brussels

Find the cheapest flights to Brussels from your nearest city or airport
Find flights from Dublin to Brussels Bruxelles-National Airport
CHEAPEST MONTH TO FLY TO BRUSSELS FROM DUBLINJanuary29% cheaperFlying from Dublin to Brussels costs on average just €64 in January
MOST EXPENSIVE MONTH TO FLY TO BRUSSELS FROM DUBLINDecember39% more expensiveIt costs about €124 for flights to Brussels from Dublin in December
MOST POPULAR MONTH TO FLY TO BRUSSELS FROM DUBLINMay336% more users visitedMore momondo users searched in flights to Brussels from Dublin in May than any other month

Cheap Brussels flight deals and tips

Summary info about Brussels flight prices, duration and airlines

Best One-Way Price

€26

Best Round-Trip Price

€31

Fastest flight time

1h 40m

Popular in

December
The best one-way flight price to Brussels from Ireland in the last 72 hours is €26 (Dublin to Brussels Bruxelles-National).
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The best round-trip flight price to Brussels from Ireland in the last 72 hours is €31 (Dublin to Brussels Bruxelles-National).
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The fastest flight to Brussels from Ireland takes 1h 40m (Dublin to Brussels Bruxelles-National).
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December has the highest demand for flights to Brussels, with a 9% price increase on average.
Search Deals

Frequently asked questions about flying to Brussels

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

The ideal time to book your flight to Brussels is 24 days in advance, when prices tend to average €90. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Ireland for as low as €38 on momondo.

Is there an alternative airport near Brussels?

Antwerp Deurne Airport, Charleroi Brussels Airport, Liège Bierset Airport or Ostende-Bruges Airport can be an alternative airport used for travel to Brussels.

Is there a cheaper alternative to flying into Brussels?

Charleroi Brussels Airport has an average price of €134 per person and is typically the cheapest airport to fly into when visiting Brussels. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What’s the closest airport to Place Rogier?

Brussels Bruxelles-National in Brussels is the closest airport to Place Rogier (distance: 10.1 km).

When did momondo last update prices for flights to Brussels?

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

How many operators does momondo search for flights to Brussels?

As of September 2025, there are 6 operators available to choose from for flights to Brussels.

How old do you have to be to fly 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 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.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Brussels.

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

Yes. All flights to Brussels on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Brussels?

Once you have performed a search for flights to Brussels, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight to Brussels now, use our insights above to find helpful tips or alternatively set up a price alert; this is 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 Brussels

Popular Flights to Brussels

Popular routes according to searches in the past day on momondo
Dublin to Brussels Flightsfrom €38
Cork to Brussels Flightsfrom €96
Shannon to Brussels Flightsfrom €303