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Cheap flights from Northern Ireland to Brussels from £79

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 6/10. 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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Find the cheapest flights from Northern Ireland to Brussels

Cheap return flights

Logo
18:40 - 09:15BFS-BRU
13h 35m2 stops
Logo
22:15 - 22:35BRU-BFS
25h 20m2 stops
£167
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Fri, 19 Sep - Fri, 26 Sep
Logo
17:00 - 22:55BHD-CRL
4h 55m1 stop
Logo
09:10 - 17:10CRL-BHD
9h 00m1 stop
£169
Find Deal
Fri, 26 Sep - Sun, 28 Sep
KLM Logo
17:25 - 09:50BHD-BRU
15h 25m1 stop
KLM Logo
10:35 - 21:15BRU-BHD
11h 40m1 stop
£208KLM
Find Deal
Fri, 26 Sep - Sun, 28 Sep
Logo
11:00 - 22:35BHD-CRL
10h 35m2 stops
Logo
09:10 - 17:10CRL-BHD
9h 00m1 stop
£222
Find Deal
Fri, 26 Sep - Sun, 28 Sep
Logo
17:25 - 22:15BHD-BRU
3h 50m1 stop
Logo
09:45 - 17:10BRU-BHD
8h 25m2 stops
£292
Find Deal
Fri, 26 Sep - Sun, 28 Sep
Logo
08:10 - 13:30BFS-BRU
4h 20m1 stop
Logo
10:00 - 12:30BRU-BFS
3h 30m1 stop
£313
Find Deal
Thu, 11 Sep - Fri, 12 Sep
Logo
11:00 - 07:30BFS-BRU
19h 30m2 stops
Logo
06:10 - 22:55BRU-BFS
17h 45m2 stops
£319
Find Deal
Sun, 21 Sep - Sun, 28 Sep
Logo
07:35 - 13:30BFS-BRU
4h 55m1 stop
Logo
10:00 - 16:40BRU-BFS
7h 40m1 stop
£332
Find Deal
Fri, 19 Sep - Fri, 26 Sep
Logo
11:25 - 15:55BFS-BRU
3h 30m1 stop
Logo
11:45 - 22:30BRU-BFS
11h 45m1 stop
£382
Find Deal
Sun, 21 Sep - Sun, 28 Sep
Aer Lingus Logo
17:55 - 09:40BHD-BRU
14h 45m2 stops
Aer Lingus Logo
10:20 - 20:50BRU-BHD
11h 30m2 stops
£504Aer Lingus
Find Deal
Fri, 26 Sep - Sun, 28 Sep

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 8 August 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 - BRU

BFSBRU

Belfast Intl

Fri 19/9

18:40-09:15

2 stops13h 35m

Brussels Bruxelles-National

Fri 26/9

22:15-22:35

2 stops25h 20m

£167

BelfastBrussels

BHD - CRL

BHDCRL

Belfast City

Fri 26/9

17:00-22:55

1 stop4h 55m

Charleroi Brussels

Sun 28/9

09:10-17:10

1 stop9h 00m

£169

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Fri 26/9

17:25-09:50

1 stop15h 25m

Brussels Bruxelles-National

Sun 28/9

10:35-21:15

1 stop11h 40m

£208

BelfastBrussels

BHD - CRL

BHDCRL

Belfast City

Fri 26/9

11:00-22:35

2 stops10h 35m

Charleroi Brussels

Sun 28/9

09:10-17:10

1 stop9h 00m

£222

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Fri 26/9

17:25-22:15

1 stop3h 50m

Brussels Bruxelles-National

Sun 28/9

09:45-17:10

2 stops8h 25m

£292

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Thu 11/9

08:10-13:30

1 stop4h 20m

Brussels Bruxelles-National

Fri 12/9

10:00-12:30

1 stop3h 30m

£313

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Sun 21/9

11:00-07:30

2 stops19h 30m

Brussels Bruxelles-National

Sun 28/9

06:10-22:55

2 stops17h 45m

£319

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Fri 19/9

07:35-13:30

1 stop4h 55m

Brussels Bruxelles-National

Fri 26/9

10:00-16:40

1 stop7h 40m

£332

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Sun 21/9

11:25-15:55

1 stop3h 30m

Brussels Bruxelles-National

Sun 28/9

11:45-22:30

1 stop11h 45m

£382

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Fri 26/9

17:55-09:40

2 stops14h 45m

Brussels Bruxelles-National

Sun 28/9

10:20-20:50

2 stops11h 30m

£504

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 £174. 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 £219.

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 £167. 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 £208 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

Best price found

£79

Fastest flight time

3h 30m

Direct flights

None

Airports in Brussels

2 airports
The best one-way flight to Brussels from Northern Ireland in the past 72 hours is £79. The best return flight deal from Northern Ireland to Brussels found on momondo in the last 72 hours is £167.
The fastest flight from Northern Ireland to Brussels takes 3h 30m
There are no direct flights from Northern Ireland to Brussels. Popular non-direct routes for this connection are Belfast City Airport - Charleroi Brussels Airport, Belfast City Airport - Brussels Bruxelles-National Airport and Belfast Intl Airport - Brussels Bruxelles-National Airport.
There are 2 airports near Brussels: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)
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  • 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
British AirwaysPriceFrom £149Free CancellationRating
6.6
7,251 reviews
Search British Airways flights
KLMPriceFrom £154Free CancellationRating
7.8
1,382 reviews
Search KLM 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