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Cheap flights from Belfast to Brussels from £54

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 17/5. 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 Belfast to Brussels

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:35 - 22:55
BFS
-
CRL
14h 20m
1 stop
Multiple Airlines Logo
08:35 - 15:20
CRL
-
BFS
7h 45m
1 stop
£79Multiple Airlines
Tue, 19 May - Thu, 21 May
Multiple Airlines Logo
15:40 - 22:55
BFS
-
CRL
6h 15m
1 stop
Multiple Airlines Logo
08:00 - 15:15
CRL
-
BFS
8h 15m
1 stop
£82Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
07:35 - 22:55
BFS
-
CRL
14h 20m
1 stop
Multiple Airlines Logo
19:45 - 07:05
CRL
-
BFS
12h 20m
1 stop
£97Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
08:30 - 18:00
BFS
-
CRL
8h 30m
2 stops
Multiple Airlines Logo
08:00 - 15:15
CRL
-
BFS
8h 15m
1 stop
£97Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
23:30 - 08:45
BFS
-
CRL
8h 15m
1 stop
Multiple Airlines Logo
08:35 - 15:20
CRL
-
BFS
7h 45m
1 stop
£100Multiple Airlines
Tue, 7 Apr - Thu, 9 Apr
Multiple Airlines Logo
17:05 - 22:55
BFS
-
CRL
4h 50m
1 stop
Multiple Airlines Logo
08:45 - 19:30
CRL
-
BFS
11h 45m
1 stop
£107Multiple Airlines
Fri, 17 Apr - Fri, 24 Apr
Multiple Airlines Logo
17:20 - 22:55
BHD
-
CRL
4h 35m
1 stop
Multiple Airlines Logo
08:35 - 15:30
CRL
-
BHD
7h 55m
1 stop
£110Multiple Airlines
Tue, 19 May - Thu, 21 May
Multiple Airlines Logo
21:10 - 08:35
BFS
-
CRL
10h 25m
1 stop
Multiple Airlines Logo
12:15 - 15:15
CRL
-
BFS
4h 00m
1 stop
£110Multiple Airlines
Thu, 9 Apr - Wed, 15 Apr
KLM Logo
17:30 - 14:40
BHD
-
BRU
20h 10m
1 stop
KLM Logo
06:20 - 09:20
BRU
-
BHD
4h 00m
1 stop
£187KLM
Thu, 9 Apr - Wed, 15 Apr
KLM Logo
17:30 - 07:35
BHD
-
BRU
13h 05m
1 stop
KLM Logo
06:20 - 09:20
BRU
-
BHD
4h 00m
1 stop
£188KLM
Fri, 10 Apr - Thu, 16 Apr

British Airways flights from Belfast to Brussels

Our best British Airways deals on Belfast to Brussels flight tickets
British Airways
21 Apr
BHD18:20Belfast City
19h 55m
1 stop
BRU15:15Brussels Bruxelles-National
22 Apr
BRU21:15Brussels Bruxelles-National
12h 35m
1 stop
BHD08:50Belfast City
£257
British Airways
15 Jul
BHD06:30Belfast City
7h 45m
1 stop
BRU15:15Brussels Bruxelles-National
15 Jul
BRU21:15Brussels Bruxelles-National
15h 45m
1 stop
BHD12:00Belfast City
£277
British Airways
17 Apr
BHD20:10Belfast City
12h 45m
1 stop
BRU09:55Brussels Bruxelles-National
24 Apr
BRU21:30Brussels Bruxelles-National
12h 20m
1 stop
BHD08:50Belfast City
£299

KLM flights from Belfast to Brussels

Our best KLM deals on Belfast to Brussels flight tickets
KLM
9 Apr
BHD17:30Belfast City
20h 10m
1 stop
BRU14:40Brussels Bruxelles-National
15 Apr
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£187
KLM
10 Apr
BHD17:30Belfast City
13h 05m
1 stop
BRU07:35Brussels Bruxelles-National
16 Apr
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£188
KLM
3 Apr
BHD17:30Belfast City
13h 05m
1 stop
BRU07:35Brussels Bruxelles-National
8 Apr
BRU06:20Brussels Bruxelles-National
4h 00m
1 stop
BHD09:20Belfast City
£214

momondo Fare Finder

 
Customise your flight search to find flights from Belfast 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 23 March 2026.
Use the filters below to find and compare flights from Belfast to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Tue 19/5

07:35-22:55

1 stop14h 20m

Charleroi Brussels

Thu 21/5

08:35-15:20

1 stop7h 45m

£79

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Wed 6/5

15:40-22:55

1 stop6h 15m

Charleroi Brussels

Wed 13/5

08:00-15:15

1 stop8h 15m

£82

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Tue 5/5

07:35-22:55

1 stop14h 20m

Charleroi Brussels

Tue 12/5

19:45-07:05

1 stop12h 20m

£97

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Wed 6/5

08:30-18:00

2 stops8h 30m

Charleroi Brussels

Wed 13/5

08:00-15:15

1 stop8h 15m

£97

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Tue 7/4

23:30-08:45

1 stop8h 15m

Charleroi Brussels

Thu 9/4

08:35-15:20

1 stop7h 45m

£100

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 17/4

17:05-22:55

1 stop4h 50m

Charleroi Brussels

Fri 24/4

08:45-19:30

1 stop11h 45m

£107
Fastest return journey

BelfastBrussels

BHD - CRL

BHDCRL

Belfast City

Tue 19/5

17:20-22:55

1 stop4h 35m

Charleroi Brussels

Thu 21/5

08:35-15:30

1 stop7h 55m

£110

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 9/4

21:10-08:35

1 stop10h 25m

Charleroi Brussels

Wed 15/4

12:15-15:15

1 stop4h 00m

£110

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Thu 9/4

17:30-14:40

1 stop20h 10m

Brussels Bruxelles-National

Wed 15/4

06:20-09:20

1 stop4h 00m

£187

BelfastBrussels

BHD - BRU

BHDBRU

Belfast City

Fri 10/4

17:30-07:35

1 stop13h 05m

Brussels Bruxelles-National

Thu 16/4

06:20-09:20

1 stop4h 00m

£188

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

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?

KLM is the most popular carrier operating from Belfast to Brussels

Cheap Belfast to Brussels flight deals and tips

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

Fastest flight time

4h 10m

Direct flights

None
The fastest flight from Belfast to Brussels takes 4h 10m
There are no direct flights from Belfast to Brussels. There are no popular flight routes from Belfast to Brussels.
Search flight deals

  • How far is Belfast to Brussels by plane?

    Brussels is 501.0 mi away from Belfast. 4h 10m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Belfast to Brussels?

    Prices for flights from Belfast to Brussels refresh daily.

  • How old do you have to be to fly from Belfast to Brussels?

    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.

  • What documentation or ID do you need to fly to Brussels?

    The necessary travel and health documents for your Brussels 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.

Why use momondo?

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

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

momondo does allow users to show only those flights to Brussels from Belfast which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Belfast and Brussels by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Belfast to Brussels right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Brussels, momondo offers a useful price alert feature which will track prices for flights to Brussels from Belfast and alert you when they change.

An easier way to manage your Brussels trip

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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