Latest deals
FAQs
Reviews
Price Alerts

Cheap flights from Northern Ireland to Brussels from £46

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 25/5. 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

Discover deals from 900+ travel sites with momondo.

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.
Search flight deals

Find the cheapest flights from Northern Ireland to Brussels

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:45 - 20:45
BFS
-
CRL
7h 00m
1 stop
Multiple Airlines Logo
10:10 - 18:55
CRL
-
BFS
9h 45m
1 stop
£83Multiple Airlines
Sat, 21 Mar - Mon, 23 Mar
Multiple Airlines Logo
12:45 - 20:45
BFS
-
CRL
7h 00m
1 stop
Multiple Airlines Logo
07:40 - 14:40
CRL
-
BFS
8h 00m
1 stop
£86Multiple Airlines
Sat, 7 Mar - Sat, 14 Mar
Multiple Airlines Logo
12:45 - 22:15
BFS
-
CRL
8h 30m
1 stop
Multiple Airlines Logo
12:05 - 20:40
CRL
-
BFS
9h 35m
1 stop
£88Multiple Airlines
Thu, 7 May - Sun, 10 May
Multiple Airlines Logo
09:30 - 15:30
BFS
-
CRL
5h 00m
1 stop
Multiple Airlines Logo
11:05 - 19:30
CRL
-
BFS
9h 25m
1 stop
£89Multiple Airlines
Sat, 4 Apr - Fri, 10 Apr
KLM Logo
06:30 - 14:15
BHD
-
BRU
6h 45m
1 stop
KLM Logo
10:45 - 21:00
BRU
-
BHD
11h 15m
1 stop
£179KLM
Sat, 7 Mar - Sat, 14 Mar
KLM Logo
17:30 - 07:35
BHD
-
BRU
13h 05m
1 stop
KLM Logo
15:10 - 09:20
BRU
-
BHD
19h 10m
1 stop
£182KLM
Thu, 7 May - Sun, 10 May
KLM Logo
17:20 - 07:35
BHD
-
BRU
13h 15m
1 stop
KLM Logo
06:15 - 16:50
BRU
-
BHD
11h 35m
1 stop
£183KLM
Sat, 21 Mar - Mon, 23 Mar
British Airways Logo
11:35 - 17:20
BHD
-
BRU
4h 45m
1 stop
British Airways Logo
19:25 - 08:15
BRU
-
BHD
13h 50m
1 stop
£259British Airways
Sat, 7 Mar - Sat, 7 Mar
British Airways Logo
11:30 - 19:55
BHD
-
BRU
7h 25m
1 stop
British Airways Logo
21:20 - 08:25
BRU
-
BHD
12h 05m
1 stop
£266British Airways
Mon, 23 Feb - Fri, 27 Feb
British Airways Logo
17:45 - 16:40
BHD
-
BRU
21h 55m
1 stop
British Airways Logo
18:05 - 08:25
BRU
-
BHD
15h 20m
1 stop
£267British Airways
Mon, 23 Feb - Fri, 27 Feb

British Airways flights from Northern Ireland to Brussels

Our best British Airways deals on Northern Ireland to Brussels flight tickets
British Airways
13 Feb
BHD11:30Belfast City
20h 15m
1 stop
BRU08:45Brussels Bruxelles-National
17 Feb
BRU12:00Brussels Bruxelles-National
7h 35m
1 stop
BHD18:35Belfast City
£215
British Airways
11 Feb
BHD11:25Belfast City
7h 20m
1 stop
BRU19:45Brussels Bruxelles-National
17 Feb
BRU12:00Brussels Bruxelles-National
7h 35m
1 stop
BHD18:35Belfast City
£219
British Airways
10 Feb
BHD10:00Belfast City
5h 40m
1 stop
BRU16:40Brussels Bruxelles-National
17 Feb
BRU14:55Brussels Bruxelles-National
4h 40m
1 stop
BHD18:35Belfast City
£224

KLM flights from Northern Ireland to Brussels

Our best KLM deals on Northern Ireland to Brussels flight tickets
KLM
7 Mar
BHD06:30Belfast City
6h 45m
1 stop
BRU14:15Brussels Bruxelles-National
14 Mar
BRU10:45Brussels Bruxelles-National
11h 15m
1 stop
BHD21:00Belfast City
£179
KLM
7 May
BHD17:30Belfast City
13h 05m
1 stop
BRU07:35Brussels Bruxelles-National
10 May
BRU15:10Brussels Bruxelles-National
19h 10m
1 stop
BHD09:20Belfast City
£182
KLM
4 Apr
BHD17:30Belfast City
15h 20m
1 stop
BRU09:50Brussels Bruxelles-National
10 Apr
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£243

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 9 February 2026.
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

Sat 21/3

12:45-20:45

1 stop7h 00m

Charleroi Brussels

Mon 23/3

10:10-18:55

1 stop9h 45m

£83

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Sat 7/3

12:45-20:45

1 stop7h 00m

Charleroi Brussels

Sat 14/3

07:40-14:40

1 stop8h 00m

£86

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 7/5

12:45-22:15

1 stop8h 30m

Charleroi Brussels

Sun 10/5

12:05-20:40

1 stop9h 35m

£88

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Sat 4/4

09:30-15:30

1 stop5h 00m

Charleroi Brussels

Fri 10/4

11:05-19:30

1 stop9h 25m

£89

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Sat 7/3

06:30-14:15

1 stop6h 45m

Brussels Bruxelles-National

Sat 14/3

10:45-21:00

1 stop11h 15m

£179

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Thu 7/5

17:30-07:35

1 stop13h 05m

Brussels Bruxelles-National

Sun 10/5

15:10-09:20

1 stop19h 10m

£182

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Sat 21/3

17:20-07:35

1 stop13h 15m

Brussels Bruxelles-National

Mon 23/3

06:15-16:50

1 stop11h 35m

£183

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Sat 7/3

11:35-17:20

1 stop4h 45m

Brussels Bruxelles-National

Sat 7/3

19:25-08:15

1 stop13h 50m

£259

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Mon 23/2

11:30-19:55

1 stop7h 25m

Brussels Bruxelles-National

Fri 27/2

21:20-08:25

1 stop12h 05m

£266

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Mon 23/2

17:45-16:40

1 stop21h 55m

Brussels Bruxelles-National

Fri 27/2

18:05-08:25

1 stop15h 20m

£267

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Fastest flight time

3h 45m

Direct flights

None
The fastest flight from Northern Ireland to Brussels takes 3h 45m
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
British AirwaysPriceFrom £169Free CancellationRating
6.7
7,723 reviews
Search British Airways flights

  • How do I get Price Alerts for flights from Northern Ireland to Brussels?

    Price Alerts will notify you by email when the price for flights to Brussels 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 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.

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.

An easier way to manage your Brussels 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 11/3
Wed 18/3
By creating a price alert you accept our terms of use and privacy policy.

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