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Cheap flights from Belfast to Brussels from £73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Brussels departing on 10/9. 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

Find the cheapest flights from Belfast to Brussels

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:15 - 17:55BFS  Belfast Intl-BRU Brussels Bruxelles-National
7h 40m2 stops London Stansted Dublin
Multiple Airlines Logo
10:00 - 23:20BRU  Brussels Bruxelles-National-BFS Belfast Intl
14h 20m2 stops Dublin London Stansted
£148Multiple Airlines
Thu, 24 Sep - Tue, 29 Sep
Multiple Airlines Logo
07:40 - 09:15BFS  Belfast Intl-BRU Brussels Bruxelles-National
24h 35m2 stops London Stansted Dublin
Multiple Airlines Logo
22:15 - 12:20BRU  Brussels Bruxelles-National-BFS Belfast Intl
15h 05m2 stops Palma de Mallorca Son Sant Joan London Stansted
£154Multiple Airlines
Sat, 12 Sep - Sun, 13 Sep
Multiple Airlines Logo
18:50 - 09:10BFS  Belfast Intl-BRU Brussels Bruxelles-National
13h 20m2 stops Edinburgh Turnhouse Dublin
Multiple Airlines Logo
18:45 - 08:50BRU  Brussels Bruxelles-National-BFS Belfast Intl
15h 05m2 stops Malaga Liverpool J. Lennon
£155Multiple Airlines
Mon, 14 Sep - Mon, 21 Sep
Multiple Airlines Logo
06:30 - 21:10BFS  Belfast Intl-BRU Brussels Bruxelles-National
13h 40m2 stops London Stansted Barcelona-El Prat
Multiple Airlines Logo
09:55 - 19:35BRU  Brussels Bruxelles-National-BFS Belfast Intl
10h 40m1 stop Malaga
£159Multiple Airlines
Thu, 19 Nov - Sun, 22 Nov
Multiple Airlines Logo
07:30 - 09:35BFS  Belfast Intl-BRU Brussels Bruxelles-National
25h 05m2 stops Manchester Dublin
Multiple Airlines Logo
18:25 - 11:50BRU  Brussels Bruxelles-National-BFS Belfast Intl
18h 25m2 stops Barcelona-El Prat Edinburgh Turnhouse
£162Multiple Airlines
Wed, 26 Aug - Thu, 27 Aug
Multiple Airlines Logo
22:05 - 17:15BFS  Belfast Intl-BRU Brussels Bruxelles-National
18h 10m2 stops Manchester Dublin
Multiple Airlines Logo
06:35 - 14:10BRU  Brussels Bruxelles-National-BFS Belfast Intl
8h 35m1 stop Alicante
£164Multiple Airlines
Mon, 16 Nov - Thu, 19 Nov
Multiple Airlines Logo
19:25 - 09:00BFS  Belfast Intl-BRU Brussels Bruxelles-National
12h 35m2 stops London Stansted Dublin
Multiple Airlines Logo
09:50 - 20:10BRU  Brussels Bruxelles-National-BFS Belfast Intl
11h 20m2 stops Dublin London Stansted
£168Multiple Airlines
Fri, 30 Oct - Tue, 3 Nov
Multiple Airlines Logo
06:30 - 21:10BFS  Belfast Intl-BRU Brussels Bruxelles-National
13h 40m2 stops London Stansted Barcelona-El Prat
Multiple Airlines Logo
10:30 - 20:10BRU  Brussels Bruxelles-National-BFS Belfast Intl
10h 40m2 stops Dublin Edinburgh Turnhouse
£169Multiple Airlines
Thu, 19 Nov - Sun, 22 Nov
Multiple Airlines Logo
16:05 - 09:55BFS  Belfast Intl-BRU Brussels Bruxelles-National
16h 50m2 stops Manchester Dublin
Multiple Airlines Logo
21:20 - 15:20BRU  Brussels Bruxelles-National-BFS Belfast Intl
19h 00m2 stops Malaga Manchester
£170Multiple Airlines
Tue, 8 Sep - Wed, 9 Sep
Multiple Airlines Logo
18:55 - 09:15BHD  Belfast City-BRU Brussels Bruxelles-National
13h 20m2 stops Glasgow Intl Dublin
Multiple Airlines Logo
22:15 - 08:55BRU  Brussels Bruxelles-National-BHD Belfast City
11h 40m1 stop Palma de Mallorca Son Sant Joan
£171Multiple Airlines
Sat, 12 Sep - Sun, 13 Sep

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British Airways flights from Belfast to Brussels Bruxelles-National Airport

Our best British Airways deals on Belfast to Brussels Bruxelles-National Airport flight tickets
British Airways
30 Oct
BHD11:30Belfast City
4h 30m
1 stop
BRU17:00Brussels Bruxelles-National
3 Nov
BRU14:55Brussels Bruxelles-National
4h 40m
1 stop
BHD18:35Belfast City
£181
British Airways
17 Sept
BHD20:35Belfast City
12h 20m
1 stop
BRU09:55Brussels Bruxelles-National
22 Sept
BRU19:55Brussels Bruxelles-National
14h 05m
1 stop
BHD09:00Belfast City
£196
British Airways
6 Oct
BHD16:25Belfast City
21h 50m
1 stop
BRU15:15Brussels Bruxelles-National
10 Oct
BRU20:05Brussels Bruxelles-National
15h 00m
1 stop
BHD10:05Belfast City
£213

KLM flights from Belfast to Brussels Bruxelles-National Airport

Our best KLM deals on Belfast to Brussels Bruxelles-National Airport flight tickets
KLM
4 Sept
BHD17:30Belfast City
13h 05m
1 stop
BRU07:35Brussels Bruxelles-National
11 Sept
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£201
KLM
20 Aug
BHD17:30Belfast City
13h 05m
1 stop
BRU07:35Brussels Bruxelles-National
11 Sept
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£238
KLM
20 Aug
BHD17:30Belfast City
15h 10m
1 stop
BRU09:40Brussels Bruxelles-National
23 Aug
BRU15:10Brussels Bruxelles-National
19h 10m
1 stop
BHD09:20Belfast City
£253

momondo Fare Finder

 
Customise your flight search to find flights from Belfast to Brussels Bruxelles-National Airport 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 10 August 2026.
Use the filters below to find and compare flights from Belfast to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Thu 24/9

09:15-17:55

2 stops7h 40m

Brussels Bruxelles-National

Tue 29/9

10:00-23:20

2 stops14h 20m

£148

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Sat 12/9

07:40-09:15

2 stops24h 35m

Brussels Bruxelles-National

Sun 13/9

22:15-12:20

2 stops15h 05m

£154

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Mon 14/9

18:50-09:10

2 stops13h 20m

Brussels Bruxelles-National

Mon 21/9

18:45-08:50

2 stops15h 05m

£155

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Thu 19/11

06:30-21:10

2 stops13h 40m

Brussels Bruxelles-National

Sun 22/11

09:55-19:35

1 stop10h 40m

£159

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Wed 26/8

07:30-09:35

2 stops25h 05m

Brussels Bruxelles-National

Thu 27/8

18:25-11:50

2 stops18h 25m

£162

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Mon 16/11

22:05-17:15

2 stops18h 10m

Brussels Bruxelles-National

Thu 19/11

06:35-14:10

1 stop8h 35m

£164

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Fri 30/10

19:25-09:00

2 stops12h 35m

Brussels Bruxelles-National

Tue 3/11

09:50-20:10

2 stops11h 20m

£168

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Thu 19/11

06:30-21:10

2 stops13h 40m

Brussels Bruxelles-National

Sun 22/11

10:30-20:10

2 stops10h 40m

£169

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Tue 8/9

16:05-09:55

2 stops16h 50m

Brussels Bruxelles-National

Wed 9/9

21:20-15:20

2 stops19h 00m

£170

BelfastBrussels

BHD Belfast City - BRU Brussels Bruxelles-National

BHDBRU

Belfast City

Sat 12/9

18:55-09:15

2 stops13h 20m

Brussels Bruxelles-National

Sun 13/9

22:15-08:55

1 stop11h 40m

£171

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 Belfast to Brussels Bruxelles-National Airport

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 Belfast to Brussels Bruxelles-National?

British Airways is the most popular carrier operating from Belfast to Brussels Bruxelles-National

Cheap Belfast to Brussels Bruxelles-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Brussels Bruxelles-National Airport

Fastest flight time

3h 45m

Direct flights

None
The fastest flight from Belfast to Brussels Bruxelles-National Airport takes 3h 45m
There are no direct flights from Belfast to Brussels Bruxelles-National Airport. There are no popular flight routes from Belfast to Brussels Bruxelles-National Airport.
Search flight deals

Frequently asked questions about flying from Belfast to Brussels Bruxelles-National Airport

  • How far is Belfast to Brussels Bruxelles-National by plane?

    The distance between Belfast and Brussels Bruxelles-National is about 503.8 mi. Typically, this will take 3h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from Belfast to Brussels Bruxelles-National Airport?

    Prices for flights from Belfast to Brussels Bruxelles-National Airport refresh daily.

  • How old do you have to be to fly from Belfast to Brussels Bruxelles-National Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Brussels Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The necessary travel and health documents for your Brussels Bruxelles-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Ypres
Waterloo
Spa
Zaventem
Leuven
Charleroi
Namur
Mechelen
Mons
Oostkamp
Hasselt
Genk
Aalst
Francorchamps
Dinant
Knokke-Heist

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Brussels?

It is quick and easy to find Belfast to Brussels flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Brussels that suits you.

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

All flight searches from Belfast to Brussels on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Belfast to Brussels?

Once you have performed a search for Belfast 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 Belfast to Brussels right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Belfast to Brussels flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Brussels Bruxelles-National Airport trip

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