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Cheap flights from Northern Ireland to Brussels from £40

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 29/7. 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
07:30 - 22:55
BFS
-
CRL
14h 25m
1 stop
Multiple Airlines Logo
12:15 - 15:15
CRL
-
BFS
4h 00m
1 stop
£77Multiple Airlines
Wed, 29 Jul - Wed, 5 Aug
Multiple Airlines Logo
12:45 - 22:15
BFS
-
CRL
8h 30m
1 stop
Multiple Airlines Logo
08:00 - 15:15
CRL
-
BFS
8h 15m
1 stop
£81Multiple Airlines
Thu, 30 Jul - Wed, 5 Aug
Multiple Airlines Logo
21:55 - 08:40
BFS
-
CRL
9h 45m
1 stop
Multiple Airlines Logo
08:45 - 19:30
CRL
-
BFS
11h 45m
1 stop
£83Multiple Airlines
Mon, 10 Aug - Fri, 14 Aug
Multiple Airlines Logo
12:45 - 22:15
BFS
-
CRL
8h 30m
1 stop
Multiple Airlines Logo
08:00 - 15:15
CRL
-
BFS
8h 15m
1 stop
£85Multiple Airlines
Thu, 30 Jul - Wed, 5 Aug
Multiple Airlines Logo
12:45 - 22:15
BFS
-
CRL
8h 30m
1 stop
Multiple Airlines Logo
09:10 - 19:50
CRL
-
BFS
11h 40m
1 stop
£85Multiple Airlines
Thu, 27 Aug - Wed, 2 Sep
Multiple Airlines Logo
12:45 - 22:15
BFS
-
CRL
8h 30m
1 stop
Multiple Airlines Logo
12:15 - 15:15
CRL
-
BFS
4h 00m
1 stop
£88Multiple Airlines
Thu, 27 Aug - Wed, 2 Sep
Multiple Airlines Logo
08:55 - 22:55
BFS
-
CRL
13h 00m
1 stop
Multiple Airlines Logo
08:35 - 20:40
CRL
-
BFS
13h 05m
1 stop
£91Multiple Airlines
Fri, 4 Sep - Sun, 6 Sep
Multiple Airlines Logo
17:05 - 22:55
BFS
-
CRL
4h 50m
1 stop
Multiple Airlines Logo
08:35 - 20:40
CRL
-
BFS
13h 05m
1 stop
£91Multiple Airlines
Fri, 4 Sep - Sun, 6 Sep
KLM Logo
17:30 - 09:40
BHD
-
BRU
15h 10m
1 stop
KLM Logo
06:20 - 09:20
BRU
-
BHD
4h 00m
1 stop
£209KLM
Thu, 30 Jul - Wed, 5 Aug
KLM Logo
17:30 - 09:40
BHD
-
BRU
15h 10m
1 stop
KLM Logo
06:20 - 09:20
BRU
-
BHD
4h 00m
1 stop
£211KLM
Thu, 30 Jul - Wed, 5 Aug

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KLM flights from Northern Ireland to Brussels

Our best KLM deals on Northern Ireland to Brussels flight tickets
KLM
30 Jul
BHD17:30Belfast City
15h 10m
1 stop
BRU09:40Brussels Bruxelles-National
5 Aug
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£209
KLM
30 Jul
BHD17:30Belfast City
15h 10m
1 stop
BRU09:40Brussels Bruxelles-National
5 Aug
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£211
KLM
30 Jul
BHD17:30Belfast City
15h 10m
1 stop
BRU09:40Brussels Bruxelles-National
5 Aug
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£213

British Airways flights from Northern Ireland to Brussels

Our best British Airways deals on Northern Ireland to Brussels flight tickets
British Airways
27 Aug
BHD06:30Belfast City
12h 55m
1 stop
BRU20:25Brussels Bruxelles-National
2 Sept
BRU11:00Brussels Bruxelles-National
5h 20m
1 stop
BHD15:20Belfast City
£216
British Airways
6 Sept
BHD19:10Belfast City
13h 45m
1 stop
BRU09:55Brussels Bruxelles-National
9 Sept
BRU16:00Brussels Bruxelles-National
4h 40m
1 stop
BHD19:40Belfast City
£231
British Airways
6 Sept
BHD19:10Belfast City
13h 45m
1 stop
BRU09:55Brussels Bruxelles-National
9 Sept
BRU16:00Brussels Bruxelles-National
4h 40m
1 stop
BHD19:40Belfast 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 6 July 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

Wed 29/7

07:30-22:55

1 stop14h 25m

Charleroi Brussels

Wed 5/8

12:15-15:15

1 stop4h 00m

£77

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 30/7

12:45-22:15

1 stop8h 30m

Charleroi Brussels

Wed 5/8

08:00-15:15

1 stop8h 15m

£81

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Mon 10/8

21:55-08:40

1 stop9h 45m

Charleroi Brussels

Fri 14/8

08:45-19:30

1 stop11h 45m

£83

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 30/7

12:45-22:15

1 stop8h 30m

Charleroi Brussels

Wed 5/8

08:00-15:15

1 stop8h 15m

£85

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 27/8

12:45-22:15

1 stop8h 30m

Charleroi Brussels

Wed 2/9

09:10-19:50

1 stop11h 40m

£85
Fastest return journey

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 27/8

12:45-22:15

1 stop8h 30m

Charleroi Brussels

Wed 2/9

12:15-15:15

1 stop4h 00m

£88

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 4/9

08:55-22:55

1 stop13h 00m

Charleroi Brussels

Sun 6/9

08:35-20:40

1 stop13h 05m

£91

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 4/9

17:05-22:55

1 stop4h 50m

Charleroi Brussels

Sun 6/9

08:35-20:40

1 stop13h 05m

£91

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Thu 30/7

17:30-09:40

1 stop15h 10m

Brussels Bruxelles-National

Wed 5/8

06:20-09:20

1 stop4h 00m

£209

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Thu 30/7

17:30-09:40

1 stop15h 10m

Brussels Bruxelles-National

Wed 5/8

06:20-09:20

1 stop4h 00m

£211

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?

British Airways and KLM 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

4h 45m

Direct flights

None
The fastest flight from Northern Ireland to Brussels takes 4h 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

Frequently asked questions about flying from Northern Ireland to Brussels

  • 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