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Flights to Brussels

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1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Ireland to Brussels

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DUB  Dublin-BR1 Roanoke 8040 Plantation Rd
1250 kmmulti-stop
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BR1  Roanoke 8040 Plantation Rd-DUB Dublin
1250 kmmulti-stop
Multiple Airlines
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ORK  Cork-BR1 Roanoke 8040 Plantation Rd
1443 kmmulti-stop
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BR1  Roanoke 8040 Plantation Rd-ORK Cork
1443 kmmulti-stop
Multiple Airlines

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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 €63. If you are unable to visit Brussels during the month of January, then departing from Ireland during the month February is also very affordable. Most momondo users find prices during this month for around €91.

What is the absolute cheapest flight to Brussels?

In the past two weeks, users have booked deals to Brussels for €78/person, which is 57% 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.

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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 Saturday. momondo users have found tickets for Saturday departures for as low as €119. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Brussels on Sunday is €160.

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

In the morning is the cheapest time of day to fly from Ireland to Brussels when you can find flight prices for as low as €128. Flying to Brussels in the morning is an ideal time because this is during off-peak travel hours. Flights at midday are often more expensive, with an average ticket price of €180.

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 €114 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 €66 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 DUBLINJanuary46% cheaperFlying from Dublin to Brussels costs on average just €63 in January
MOST EXPENSIVE MONTH TO FLY TO BRUSSELS FROM DUBLINMay39% more expensiveIt costs about €160 for flights to Brussels from Dublin in May
MOST POPULAR MONTH TO FLY TO BRUSSELS FROM DUBLINJuly394% more users visitedMore momondo users searched in flights to Brussels from Dublin in July than any other month

Cheap Brussels flight deals and tips

Summary info about Brussels flight prices, duration and airlines

Popular in

May
May has the highest demand for flights to Brussels, with a 16% price increase on average.
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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 44 days in advance, when prices tend to average €114. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Ireland for as low as €49 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 €182 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.

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 2026, there are 5 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.

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Popular Flights to Brussels

Dublin to Brussels Flightsfrom €43
Cork to Brussels Flightsfrom €49
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