Cheap flights from Northern Ireland to Brussels from £113

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Brussels departing on 28/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Northern Ireland to Brussels

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:50 - 09:45
BFS
-
BRU
17h 55m
2 stops
Multiple Airlines Logo
21:55 - 10:30
BRU
-
BFS
13h 35m
1 stop
£113Multiple Airlines
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
14:50 - 09:45
BFS
-
BRU
17h 55m
2 stops
Multiple Airlines Logo
10:20 - 22:20
BRU
-
BFS
13h 00m
2 stops
£134Multiple Airlines
Thu, 28 May - Thu, 4 Jun
Multiple Airlines Logo
06:50 - 09:45
BHD
-
BRU
25h 55m
2 stops
Multiple Airlines Logo
10:30 - 17:50
BRU
-
BHD
8h 20m
2 stops
£140Multiple Airlines
Wed, 27 May - Wed, 3 Jun
Multiple Airlines Logo
08:40 - 09:10
BFS
-
BRU
23h 30m
2 stops
Multiple Airlines Logo
21:00 - 08:55
BRU
-
BFS
12h 55m
1 stop
£142Multiple Airlines
Mon, 25 May - Mon, 1 Jun
Multiple Airlines Logo
07:30 - 17:25
BFS
-
BRU
8h 55m
2 stops
Multiple Airlines Logo
10:20 - 22:20
BRU
-
BFS
13h 00m
2 stops
£165Multiple Airlines
Wed, 20 May - Thu, 21 May
Multiple Airlines Logo
21:05 - 09:25
BFS
-
BRU
11h 20m
1 stop
Multiple Airlines Logo
21:00 - 08:55
BRU
-
BFS
12h 55m
1 stop
£166Multiple Airlines
Mon, 25 May - Mon, 1 Jun
KLM Logo
17:30 - 09:40
BHD
-
BRU
15h 10m
1 stop
KLM Logo
06:20 - 16:55
BRU
-
BHD
11h 35m
1 stop
£192KLM
Thu, 14 May - Wed, 20 May
KLM Logo
17:30 - 07:35
BHD
-
BRU
13h 05m
1 stop
KLM Logo
06:20 - 16:55
BRU
-
BHD
11h 35m
1 stop
£193KLM
Thu, 14 May - Wed, 20 May
KLM Logo
17:30 - 09:40
BHD
-
BRU
15h 10m
1 stop
KLM Logo
10:25 - 09:20
BRU
-
BHD
23h 55m
1 stop
£195KLM
Thu, 21 May - Mon, 25 May
British Airways Logo
20:35 - 20:25
BHD
-
BRU
22h 50m
1 stop
British Airways Logo
20:40 - 08:40
BRU
-
BHD
13h 00m
1 stop
£217British Airways
Wed, 13 May - Sun, 17 May

KLM flights from Northern Ireland to Brussels Bruxelles-National Airport

Our best KLM deals on Northern Ireland to Brussels Bruxelles-National Airport flight tickets
KLM
14 May
BHD17:30Belfast City
15h 10m
1 stop
BRU09:40Brussels Bruxelles-National
20 May
BRU06:20Brussels Bruxelles-National
11h 35m
1 stop
BHD16:55Belfast City
£192
KLM
14 May
BHD17:30Belfast City
13h 05m
1 stop
BRU07:35Brussels Bruxelles-National
20 May
BRU06:20Brussels Bruxelles-National
11h 35m
1 stop
BHD16:55Belfast City
£193
KLM
21 May
BHD17:30Belfast City
15h 10m
1 stop
BRU09:40Brussels Bruxelles-National
25 May
BRU10:25Brussels Bruxelles-National
23h 55m
1 stop
BHD09:20Belfast City
£195

British Airways flights from Northern Ireland to Brussels Bruxelles-National Airport

Our best British Airways deals on Northern Ireland to Brussels Bruxelles-National Airport flight tickets
British Airways
13 May
BHD20:35Belfast City
22h 50m
1 stop
BRU20:25Brussels Bruxelles-National
17 May
BRU20:40Brussels Bruxelles-National
13h 00m
1 stop
BHD08:40Belfast City
£217
British Airways
29 Apr
BHD16:05Belfast City
16h 50m
1 stop
BRU09:55Brussels Bruxelles-National
3 May
BRU15:10Brussels Bruxelles-National
6h 20m
1 stop
BHD20:30Belfast City
£222
British Airways
19 May
BHD19:30Belfast City
18h 45m
1 stop
BRU15:15Brussels Bruxelles-National
20 May
BRU21:15Brussels Bruxelles-National
12h 35m
1 stop
BHD08:50Belfast City
£260

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Brussels Bruxelles-National Airport 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, momondo users made 279,928 searches. Data last updated 14 April 2026.
Use the filters below to find and compare flights from Northern Ireland to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Thu 28/5

14:50-09:45

2 stops17h 55m

Brussels Bruxelles-National

Thu 4/6

21:55-10:30

1 stop13h 35m

£113

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Thu 28/5

14:50-09:45

2 stops17h 55m

Brussels Bruxelles-National

Thu 4/6

10:20-22:20

2 stops13h 00m

£134

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Wed 27/5

06:50-09:45

2 stops25h 55m

Brussels Bruxelles-National

Wed 3/6

10:30-17:50

2 stops8h 20m

£140

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Mon 25/5

08:40-09:10

2 stops23h 30m

Brussels Bruxelles-National

Mon 1/6

21:00-08:55

1 stop12h 55m

£142
Fastest return journey

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Wed 20/5

07:30-17:25

2 stops8h 55m

Brussels Bruxelles-National

Thu 21/5

10:20-22:20

2 stops13h 00m

£165

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Mon 25/5

21:05-09:25

1 stop11h 20m

Brussels Bruxelles-National

Mon 1/6

21:00-08:55

1 stop12h 55m

£166

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Thu 14/5

17:30-09:40

1 stop15h 10m

Brussels Bruxelles-National

Wed 20/5

06:20-16:55

1 stop11h 35m

£192

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Thu 14/5

17:30-07:35

1 stop13h 05m

Brussels Bruxelles-National

Wed 20/5

06:20-16:55

1 stop11h 35m

£193

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Thu 21/5

17:30-09:40

1 stop15h 10m

Brussels Bruxelles-National

Mon 25/5

10:25-09:20

1 stop23h 55m

£195

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Wed 13/5

20:35-20:25

1 stop22h 50m

Brussels Bruxelles-National

Sun 17/5

20:40-08:40

1 stop13h 00m

£217

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap Northern Ireland to Brussels Bruxelles-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Brussels Bruxelles-National Airport

Fastest flight time

13h 05m

Direct flights

None
The fastest flight from Northern Ireland to Brussels Bruxelles-National Airport takes 13h 05m
There are no direct flights from Northern Ireland to Brussels Bruxelles-National Airport. There are no popular flight routes from Northern Ireland to Brussels Bruxelles-National Airport.

Frequently asked questions about flying from Northern Ireland to Brussels Bruxelles-National Airport

  • When did momondo last update prices for flights from Northern Ireland to Brussels Bruxelles-National Airport?

    Prices for flights from Northern Ireland to Brussels Bruxelles-National Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Northern Ireland to Brussels Bruxelles-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Brussels Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The travel and health documents you'll need for your trip to Brussels Bruxelles-National Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Brussels Bruxelles-National Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Northern Ireland to Brussels Bruxelles-National Airport

  • How do I get Price Alerts for flights from Northern Ireland to Brussels Bruxelles-National Airport?

    Price Alerts will notify you by email when the price for flights to Brussels Bruxelles-National Airport from Northern Ireland decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Northern Ireland to Brussels Bruxelles-National Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Ypres
Waterloo
Spa
Zaventem
Charleroi
Leuven
Mechelen
Namur
Oostkamp
Mons
Hasselt
Aalst
Genk
Dinant
Francorchamps
Knokke-Heist

Why use momondo?

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

It is quick and easy to find Northern Ireland to Brussels flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Brussels that suits you.

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

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

How can momondo help me find flights from Northern Ireland to Brussels?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Northern Ireland to Brussels.

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

Yes. momondo can track prices for Northern Ireland to Brussels flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Brussels Bruxelles-National Airport 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 14/5
Thu 21/5

Find better results for your trip to Brussels

Popular Cities in Belgium

Popular flights according to clicks in the last 7 days on momondo