€17 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 9/7. 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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Brussels flights insights and trends
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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 September is also very affordable. Most momondo users find prices during this month for around €65.
What is the absolute cheapest flight to Brussels?
In the past two weeks, users have booked deals to Brussels for €34/person, which is 74% 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 Wednesday. momondo users have found tickets for Wednesday departures for as low as €99. 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 €356.
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 €117. 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 €129.
Cheapest flights to Brussels
Find the cheapest flights to Brussels from your nearest city or airport
| CHEAPEST MONTH TO FLY TO BRUSSELS FROM DUBLIN | January | 34% cheaper | Flying from Dublin to Brussels costs on average just €63 in January |
| MOST EXPENSIVE MONTH TO FLY TO BRUSSELS FROM DUBLIN | December | 31% more expensive | It costs about €124 for flights to Brussels from Dublin in December |
| MOST POPULAR MONTH TO FLY TO BRUSSELS FROM DUBLIN | July | 269% more users visited | More 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
Best One-Way Price | €17 |
|---|---|
Best Round-Trip Price | €31 |
Fastest flight time | 1h 30m |
Popular in | December |
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 84 days in advance, when prices tend to average €94. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Ireland for as low as €50 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 €131 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 Brussels Central Railway Station?
Brussels Bruxelles-National in Brussels is the closest airport to Brussels Central Railway Station (distance: 10.9 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 July 2025, there are 7 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.