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Cheap flights from Northern Ireland to Brussels from £73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Brussels departing on 16/6. 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
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Find the cheapest flights from Northern Ireland to Brussels

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:55 - 09:15
BFS
-
BRU
15h 20m
2 stops
Multiple Airlines Logo
21:30 - 10:10
BRU
-
BFS
13h 40m
2 stops
£169Multiple Airlines
Sat, 11 Jul - Sat, 18 Jul
Multiple Airlines Logo
16:55 - 09:15
BFS
-
BRU
15h 20m
2 stops
Multiple Airlines Logo
21:30 - 10:10
BRU
-
BFS
13h 40m
2 stops
£174Multiple Airlines
Sat, 11 Jul - Sat, 18 Jul
Multiple Airlines Logo
16:55 - 09:15
BFS
-
BRU
15h 20m
2 stops
Multiple Airlines Logo
21:30 - 10:10
BRU
-
BFS
13h 40m
2 stops
£176Multiple Airlines
Sat, 11 Jul - Sat, 18 Jul
British Airways Logo
12:45 - 20:25
BHD
-
BRU
6h 40m
1 stop
British Airways Logo
20:45 - 09:05
BRU
-
BHD
13h 20m
1 stop
£186British Airways
Thu, 22 Oct - Mon, 26 Oct
Multiple Airlines Logo
19:20 - 09:10
BFS
-
BRU
12h 50m
2 stops
Multiple Airlines Logo
21:25 - 10:00
BRU
-
BFS
13h 35m
2 stops
£189Multiple Airlines
Fri, 14 Aug - Mon, 17 Aug
British Airways Logo
20:10 - 09:55
BHD
-
BRU
12h 45m
1 stop
British Airways Logo
21:15 - 08:50
BRU
-
BHD
12h 35m
1 stop
£195British Airways
Fri, 10 Jul - Wed, 15 Jul
British Airways Logo
20:35 - 15:05
BHD
-
BRU
17h 30m
1 stop
British Airways Logo
21:15 - 08:50
BRU
-
BHD
12h 35m
1 stop
£198British Airways
Wed, 8 Jul - Wed, 15 Jul
KLM Logo
17:30 - 07:35
BHD
-
BRU
13h 05m
1 stop
KLM Logo
06:20 - 09:20
BRU
-
BHD
4h 00m
1 stop
£211KLM
Fri, 12 Jun - Thu, 18 Jun
KLM Logo
17:30 - 07:35
BHD
-
BRU
13h 05m
1 stop
KLM Logo
06:20 - 09:20
BRU
-
BHD
4h 00m
1 stop
£218KLM
Sun, 12 Jul - Thu, 16 Jul
KLM Logo
17:30 - 07:35
BHD
-
BRU
13h 05m
1 stop
KLM Logo
06:20 - 09:20
BRU
-
BHD
4h 00m
1 stop
£226KLM
Wed, 15 Jul - Tue, 28 Jul

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
12 Jun
BHD17:30Belfast City
13h 05m
1 stop
BRU07:35Brussels Bruxelles-National
18 Jun
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£211
KLM
12 Jul
BHD17:30Belfast City
13h 05m
1 stop
BRU07:35Brussels Bruxelles-National
16 Jul
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£218
KLM
15 Jul
BHD17:30Belfast City
13h 05m
1 stop
BRU07:35Brussels Bruxelles-National
28 Jul
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£226

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
22 Oct
BHD12:45Belfast City
6h 40m
1 stop
BRU20:25Brussels Bruxelles-National
26 Oct
BRU20:45Brussels Bruxelles-National
13h 20m
1 stop
BHD09:05Belfast City
£186
British Airways
10 Jul
BHD20:10Belfast City
12h 45m
1 stop
BRU09:55Brussels Bruxelles-National
15 Jul
BRU21:15Brussels Bruxelles-National
12h 35m
1 stop
BHD08:50Belfast City
£195
British Airways
8 Jul
BHD20:35Belfast City
17h 30m
1 stop
BRU15:05Brussels Bruxelles-National
15 Jul
BRU21:15Brussels Bruxelles-National
12h 35m
1 stop
BHD08:50Belfast City
£198

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 30 May 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

Sat 11/7

16:55-09:15

2 stops15h 20m

Brussels Bruxelles-National

Sat 18/7

21:30-10:10

2 stops13h 40m

£169

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Sat 11/7

16:55-09:15

2 stops15h 20m

Brussels Bruxelles-National

Sat 18/7

21:30-10:10

2 stops13h 40m

£174

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Sat 11/7

16:55-09:15

2 stops15h 20m

Brussels Bruxelles-National

Sat 18/7

21:30-10:10

2 stops13h 40m

£176

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Thu 22/10

12:45-20:25

1 stop6h 40m

Brussels Bruxelles-National

Mon 26/10

20:45-09:05

1 stop13h 20m

£186

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Fri 14/8

19:20-09:10

2 stops12h 50m

Brussels Bruxelles-National

Mon 17/8

21:25-10:00

2 stops13h 35m

£189

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Fri 10/7

20:10-09:55

1 stop12h 45m

Brussels Bruxelles-National

Wed 15/7

21:15-08:50

1 stop12h 35m

£195

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Wed 8/7

20:35-15:05

1 stop17h 30m

Brussels Bruxelles-National

Wed 15/7

21:15-08:50

1 stop12h 35m

£198
Fastest return journey

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Fri 12/6

17:30-07:35

1 stop13h 05m

Brussels Bruxelles-National

Thu 18/6

06:20-09:20

1 stop4h 00m

£211

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Sun 12/7

17:30-07:35

1 stop13h 05m

Brussels Bruxelles-National

Thu 16/7

06:20-09:20

1 stop4h 00m

£218

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Wed 15/7

17:30-07:35

1 stop13h 05m

Brussels Bruxelles-National

Tue 28/7

06:20-09:20

1 stop4h 00m

£226

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

How to get the cheapest flight ticket from Northern Ireland to Brussels Bruxelles-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Northern Ireland to Brussels Bruxelles-National?

British Airways is the most popular carrier operating from Northern Ireland to Brussels Bruxelles-National

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

4h 50m

Direct flights

None
The fastest flight from Northern Ireland to Brussels Bruxelles-National Airport takes 4h 50m
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.
Search flight deals

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.

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
Francorchamps
Dinant
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

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