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Cheap flights from Northern Ireland to Brussels from £41

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 31/5. 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
1 adult, Economy, 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
08:40 - 22:55
BFS
-
CRL
13h 15m
1 stop
Multiple Airlines Logo
15:00 - 21:30
CRL
-
BFS
7h 30m
1 stop
£75Multiple Airlines
Mon, 4 May - Mon, 11 May
Multiple Airlines Logo
08:40 - 22:55
BFS
-
CRL
13h 15m
1 stop
Multiple Airlines Logo
16:00 - 19:30
CRL
-
BFS
4h 30m
1 stop
£77Multiple Airlines
Mon, 4 May - Fri, 8 May
Multiple Airlines Logo
15:40 - 22:55
BFS
-
CRL
6h 15m
1 stop
Multiple Airlines Logo
08:45 - 19:30
CRL
-
BFS
11h 45m
1 stop
£82Multiple Airlines
Wed, 15 Apr - Fri, 17 Apr
Multiple Airlines Logo
22:00 - 09:15
BFS
-
CRL
10h 15m
1 stop
Multiple Airlines Logo
06:45 - 11:55
CRL
-
BFS
6h 10m
1 stop
£84Multiple Airlines
Sun, 26 Apr - Sun, 3 May
Multiple Airlines Logo
17:05 - 22:55
BFS
-
CRL
4h 50m
1 stop
Multiple Airlines Logo
12:00 - 20:40
CRL
-
BFS
9h 40m
1 stop
£85Multiple Airlines
Fri, 5 Jun - Sun, 7 Jun
KLM Logo
09:50 - 07:35
BHD
-
BRU
20h 45m
1 stop
KLM Logo
06:20 - 09:20
BRU
-
BHD
4h 00m
1 stop
£224KLM
Mon, 4 May - Mon, 11 May
KLM Logo
17:30 - 09:40
BHD
-
BRU
15h 10m
1 stop
KLM Logo
15:10 - 09:20
BRU
-
BHD
19h 10m
1 stop
£227KLM
Sun, 26 Apr - Sun, 3 May
KLM Logo
17:30 - 22:15
BHD
-
BRU
3h 45m
1 stop
KLM Logo
15:10 - 09:20
BRU
-
BHD
19h 10m
1 stop
£232KLM
Fri, 10 Apr - Sun, 12 Apr
British Airways Logo
19:35 - 10:05
BHD
-
BRU
13h 30m
1 stop
British Airways Logo
19:55 - 10:45
BRU
-
BHD
15h 50m
1 stop
£238British Airways
Mon, 8 Jun - Tue, 9 Jun
British Airways Logo
19:35 - 14:25
BHD
-
BRU
17h 50m
1 stop
British Airways Logo
19:55 - 09:00
BRU
-
BHD
14h 05m
1 stop
£239British Airways
Mon, 8 Jun - Tue, 9 Jun

British Airways flights from Northern Ireland to Brussels

Our best British Airways deals on Northern Ireland to Brussels flight tickets
British Airways
8 Jun
BHD19:35Belfast City
17h 50m
1 stop
BRU14:25Brussels Bruxelles-National
9 Jun
BRU19:55Brussels Bruxelles-National
14h 05m
1 stop
BHD09:00Belfast City
£238
British Airways
8 Jun
BHD19:35Belfast City
17h 50m
1 stop
BRU14:25Brussels Bruxelles-National
9 Jun
BRU19:55Brussels Bruxelles-National
14h 05m
1 stop
BHD09:00Belfast City
£239
British Airways
8 Jun
BHD19:35Belfast City
13h 30m
1 stop
BRU10:05Brussels Bruxelles-National
9 Jun
BRU19:55Brussels Bruxelles-National
15h 50m
1 stop
BHD10:45Belfast City
£260

KLM flights from Northern Ireland to Brussels

Our best KLM deals on Northern Ireland to Brussels flight tickets
KLM
4 May
BHD09:50Belfast City
20h 45m
1 stop
BRU07:35Brussels Bruxelles-National
11 May
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£224
KLM
26 Apr
BHD17:30Belfast City
15h 10m
1 stop
BRU09:40Brussels Bruxelles-National
3 May
BRU15:10Brussels Bruxelles-National
19h 10m
1 stop
BHD09:20Belfast City
£227
KLM
10 Apr
BHD17:30Belfast City
3h 45m
1 stop
BRU22:15Brussels Bruxelles-National
12 Apr
BRU15:10Brussels Bruxelles-National
19h 10m
1 stop
BHD09:20Belfast City
£232

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 30 March 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

Cheapest return flight

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Mon 4/5

08:40-22:55

1 stop13h 15m

Charleroi Brussels

Mon 11/5

15:00-21:30

1 stop7h 30m

£75

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Mon 4/5

08:40-22:55

1 stop13h 15m

Charleroi Brussels

Fri 8/5

16:00-19:30

1 stop4h 30m

£77

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Wed 15/4

15:40-22:55

1 stop6h 15m

Charleroi Brussels

Fri 17/4

08:45-19:30

1 stop11h 45m

£82

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Sun 26/4

22:00-09:15

1 stop10h 15m

Charleroi Brussels

Sun 3/5

06:45-11:55

1 stop6h 10m

£84
Fastest return journey

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 5/6

17:05-22:55

1 stop4h 50m

Charleroi Brussels

Sun 7/6

12:00-20:40

1 stop9h 40m

£85

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Mon 4/5

09:50-07:35

1 stop20h 45m

Brussels Bruxelles-National

Mon 11/5

06:20-09:20

1 stop4h 00m

£224

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Sun 26/4

17:30-09:40

1 stop15h 10m

Brussels Bruxelles-National

Sun 3/5

15:10-09:20

1 stop19h 10m

£227

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Fri 10/4

17:30-22:15

1 stop3h 45m

Brussels Bruxelles-National

Sun 12/4

15:10-09:20

1 stop19h 10m

£232

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Mon 8/6

19:35-10:05

1 stop13h 30m

Brussels Bruxelles-National

Tue 9/6

19:55-10:45

1 stop15h 50m

£238

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Mon 8/6

19:35-14:25

1 stop17h 50m

Brussels Bruxelles-National

Tue 9/6

19:55-09:00

1 stop14h 05m

£239

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 airline that flies from Northern Ireland to Brussels?

KLM and British Airways are the most popular carriers operating from Northern Ireland to Brussels

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 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.

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