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Cheap flights from Northern Ireland to Brussels from £63

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 14/11. 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
08:05 - 16:35BFS-CRL
7h 30m1 stop
Multiple Airlines Logo
18:30 - 06:50CRL-BFS
13h 20m1 stop
£122Multiple Airlines
Find Deal
Fri, 12 Dec - Sun, 14 Dec
Multiple Airlines Logo
21:05 - 08:10BFS-CRL
10h 05m1 stop
Multiple Airlines Logo
18:30 - 21:40CRL-BFS
4h 10m1 stop
£129Multiple Airlines
Find Deal
Thu, 1 Jan - Sun, 4 Jan
Multiple Airlines Logo
08:05 - 16:35BFS-CRL
7h 30m1 stop
Multiple Airlines Logo
12:55 - 09:10CRL-BFS
21h 15m2 stops
£136Multiple Airlines
Find Deal
Fri, 12 Dec - Sun, 14 Dec
Multiple Airlines Logo
18:50 - 09:10BFS-BRU
13h 20m2 stops
Multiple Airlines Logo
11:15 - 23:55BRU-BFS
13h 40m1 stop
£149Multiple Airlines
Find Deal
Mon, 17 Nov - Thu, 20 Nov
Multiple Airlines Logo
18:00 - 17:10BFS-CRL
22h 10m2 stops
Multiple Airlines Logo
13:30 - 07:25CRL-BFS
18h 55m2 stops
£155Multiple Airlines
Find Deal
Fri, 12 Dec - Sun, 14 Dec
KLM Logo
17:20 - 07:35BHD-BRU
13h 15m1 stop
KLM Logo
14:45 - 21:00BRU-BHD
7h 15m1 stop
£199KLM
Find Deal
Fri, 12 Dec - Sun, 14 Dec
British Airways Logo
08:45 - 13:55BHD-BRU
4h 10m1 stop
British Airways Logo
20:30 - 09:10BRU-BHD
13h 40m1 stop
£200British Airways
Find Deal
Tue, 24 Mar - Wed, 25 Mar
British Airways Logo
06:35 - 13:50BHD-BRU
6h 15m1 stop
British Airways Logo
21:35 - 10:20BRU-BHD
13h 45m1 stop
£210British Airways
Find Deal
Thu, 1 Jan - Sun, 4 Jan
Aer Lingus Logo
10:20 - 09:35BHD-BRU
22h 15m2 stops
Aer Lingus Logo
18:55 - 11:20BRU-BHD
17h 25m2 stops
£506Aer Lingus
Find Deal
Thu, 1 Jan - Sun, 4 Jan
Aer Lingus Logo
18:50 - 09:35BHD-BRU
37h 45m2 stops
Aer Lingus Logo
20:50 - 14:05BRU-BHD
18h 15m2 stops
£544Aer Lingus
Find Deal
Fri, 12 Dec - Sun, 14 Dec

British Airways flights from Northern Ireland to Brussels

Our best British Airways deals on Northern Ireland to Brussels flight tickets
British Airways
24 Mar
BHD08:45Belfast City
4h 10m
1 stop
BRU13:55Brussels Bruxelles-National
25 Mar
BRU20:30Brussels Bruxelles-National
13h 40m
1 stop
BHD09:10Belfast City
£200
Find similar
British Airways
1 Jan
BHD06:35Belfast City
6h 15m
1 stop
BRU13:50Brussels Bruxelles-National
4 Jan
BRU21:35Brussels Bruxelles-National
13h 45m
1 stop
BHD10:20Belfast City
£210
Find similar
British Airways
24 Mar
BHD06:35Belfast City
9h 05m
1 stop
BRU16:40Brussels Bruxelles-National
25 Mar
BRU11:50Brussels Bruxelles-National
10h 00m
2 stops
BHD20:50Belfast City
£307
Find similar

Aer Lingus flights from Northern Ireland to Brussels

Our best Aer Lingus deals on Northern Ireland to Brussels flight tickets
Aer Lingus
1 Jan
BHD10:20Belfast City
22h 15m
2 stops
BRU09:35Brussels Bruxelles-National
4 Jan
BRU18:55Brussels Bruxelles-National
17h 25m
2 stops
BHD11:20Belfast City
£506
Find similar
Aer Lingus
12 Dec
BHD18:50Belfast City
37h 45m
2 stops
BRU09:35Brussels Bruxelles-National
14 Dec
BRU20:50Brussels Bruxelles-National
18h 15m
2 stops
BHD14:05Belfast City
£544
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Brussels 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 5 November 2025.
Use the filters below to find and compare flights from Northern Ireland to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 12/12

08:05-16:35

1 stop7h 30m

Charleroi Brussels

Sun 14/12

18:30-06:50

1 stop13h 20m

£122

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 1/1

21:05-08:10

1 stop10h 05m

Charleroi Brussels

Sun 4/1

18:30-21:40

1 stop4h 10m

£129

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 12/12

08:05-16:35

1 stop7h 30m

Charleroi Brussels

Sun 14/12

12:55-09:10

2 stops21h 15m

£136

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Mon 17/11

18:50-09:10

2 stops13h 20m

Brussels Bruxelles-National

Thu 20/11

11:15-23:55

1 stop13h 40m

£149

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 12/12

18:00-17:10

2 stops22h 10m

Charleroi Brussels

Sun 14/12

13:30-07:25

2 stops18h 55m

£155

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Fri 12/12

17:20-07:35

1 stop13h 15m

Brussels Bruxelles-National

Sun 14/12

14:45-21:00

1 stop7h 15m

£199

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Tue 24/3

08:45-13:55

1 stop4h 10m

Brussels Bruxelles-National

Wed 25/3

20:30-09:10

1 stop13h 40m

£200

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Thu 1/1

06:35-13:50

1 stop6h 15m

Brussels Bruxelles-National

Sun 4/1

21:35-10:20

1 stop13h 45m

£210

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Thu 1/1

10:20-09:35

2 stops22h 15m

Brussels Bruxelles-National

Sun 4/1

18:55-11:20

2 stops17h 25m

£506

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Fri 12/12

18:50-09:35

2 stops37h 45m

Brussels Bruxelles-National

Sun 14/12

20:50-14:05

2 stops18h 15m

£544

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

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 day to depart on your flight to Brussels?

Our data shows that Friday is the least expensive day to fly to Brussels. Tickets to fly out on this day can be as low as £178. On the other hand, Saturday is the most expensive day to depart from Northern Ireland because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £224.

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

According to our data, the cheapest time of day to fly to Brussels is in the morning. momondo users have found flights departing from Northern Ireland to Brussels in the morning for as low as £171. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Brussels, so prices are often more expensive at around £213 per ticket.

Cheap Northern Ireland to Brussels flight deals and tips

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

Direct flights

None
There are no direct flights from Northern Ireland to Brussels. There are no popular flight routes from Northern Ireland to Brussels.
Search flight deals

  • When did momondo last update prices for flights from Northern Ireland to Brussels?

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

  • How many operators does momondo search for flights from Northern Ireland to Brussels?

  • How old do you have to be to fly from Northern Ireland to Brussels?

    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.

  • What documentation or ID do you need to fly to Brussels?

    The travel and health documents you'll need for your trip to Brussels 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Northern Ireland to Brussels

Compare and see reviews for airlines that fly from Northern Ireland to Brussels with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom £157Free CancellationRating
7.7
1,405 reviews
Search KLM flights
British AirwaysPriceFrom £163Free CancellationRating
6.7
7,495 reviews
Search British Airways flights

Why use momondo?

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

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

Yes. momondo enables you to select and highlight flights to Brussels from Northern Ireland with this policy.

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

Once you have performed a search for Northern Ireland to Brussels flights, momondo helps you find the right one 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 from Northern Ireland to Brussels right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Northern Ireland to Brussels now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Brussels and let you know when they change.

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport