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Cheap flights from Belfast Intl Airport to Brussels from £40

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BRU
25 Jul — 1 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Brussels

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Brussels
Explore the most affordable flight options available from Belfast Intl to Brussels. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 June 2026.

Thu 30/712:45
BFS
-
CRL
1 stop8h 30m
Multiple Airlines
Wed 5/808:00
CRL
-
BFS
1 stop8h 15m
Multiple Airlines
Deal found 24/6£81
Sat 11/716:55
BFS
-
CRL
1 stop4h 50m
Multiple Airlines
Tue 14/719:45
CRL
-
BFS
1 stop12h 20m
Multiple Airlines
Deal found 22/6£87
Sat 18/709:30
BFS
-
CRL
1 stop12h 05m
Multiple Airlines
Sat 25/708:10
CRL
-
BFS
1 stop14h 05m
Multiple Airlines
Deal found 24/6£90
Fri 21/817:05
BFS
-
CRL
1 stop4h 40m
Multiple Airlines
Sun 23/809:15
CRL
-
BFS
1 stop10h 40m
Multiple Airlines
Deal found 20/6£93
Fri 10/717:05
BFS
-
CRL
1 stop4h 40m
Multiple Airlines
Tue 14/719:45
CRL
-
BFS
1 stop12h 20m
Multiple Airlines
Deal found 20/6£96
Fri 17/717:05
BFS
-
CRL
1 stop4h 40m
Multiple Airlines
Tue 28/719:45
CRL
-
BFS
1 stop12h 20m
Multiple Airlines
Deal found 24/6£98
Fri 10/717:05
BFS
-
CRL
1 stop4h 40m
Multiple Airlines
Thu 16/714:20
CRL
-
BFS
1 stop9h 00m
Multiple Airlines
Deal found 20/6£99
Mon 20/721:55
BFS
-
CRL
1 stop9h 45m
Multiple Airlines
Mon 27/709:40
CRL
-
BFS
1 stop12h 50m
Multiple Airlines
Deal found 24/6£99
Sat 11/721:40
BFS
-
CRL
1 stop9h 30m
Multiple Airlines
Thu 16/714:20
CRL
-
BFS
1 stop9h 00m
Multiple Airlines
Deal found 24/6£102
Mon 7/916:50
BFS
-
BRU
2 stops15h 20m
Multiple Airlines
Mon 14/921:25
BRU
-
BFS
2 stops13h 35m
Multiple Airlines
Deal found 25/6£159
Fri 7/817:05
BFS
-
BRU
2 stops15h 05m
Multiple Airlines
Fri 14/810:20
BRU
-
BFS
2 stops10h 10m
Multiple Airlines
Deal found 23/6£163
Wed 19/815:40
BFS
-
BRU
2 stops16h 55m
Multiple Airlines
Fri 21/811:05
BRU
-
BFS
2 stops8h 50m
Multiple Airlines
Deal found 23/6£173

Find flight deals from Belfast Intl to Brussels

Discover tips and strategies to find the most affordable flight options for your journey from Belfast Intl (BFS) to Brussels (BR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 25 June 2026.

Round-trip from

£81

One-way from

£40
30/7-5/8
  • 30/7-5/8
  • 2 total stops
  • 16h 45m total
  • Belfast to Brussels
Search Deals
21/7
  • 21/7
  • 1 total stop
  • 4h 15m total
  • Belfast to Brussels
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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, Cheapflights users made 858,174 searches. Data last updated 25 June 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

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

Sat 11/7

16:55-22:45

1 stop4h 50m

Charleroi Brussels

Tue 14/7

19:45-07:05

1 stop12h 20m

£87

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 10/7

17:05-22:45

1 stop4h 40m

Charleroi Brussels

Thu 16/7

14:20-22:20

1 stop9h 00m

£99

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Tue 21/7

07:35-12:50

1 stop4h 15m

Charleroi Brussels

Mon 27/7

09:40-21:30

1 stop12h 50m

£99

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Sat 11/7

21:40-08:10

1 stop9h 30m

Charleroi Brussels

Thu 16/7

14:20-22:20

1 stop9h 00m

£102
Fastest return journey

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Sat 11/7

16:55-22:45

1 stop4h 50m

Charleroi Brussels

Wed 15/7

08:00-15:15

1 stop8h 15m

£113

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 21/8

07:35-09:10

2 stops24h 35m

Charleroi Brussels

Sun 23/8

09:15-18:55

1 stop10h 40m

£116

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Mon 7/9

16:50-09:10

2 stops15h 20m

Brussels Bruxelles-National

Mon 14/9

21:25-10:00

2 stops13h 35m

£159

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Wed 19/8

15:40-09:35

2 stops16h 55m

Brussels Bruxelles-National

Fri 21/8

11:05-18:55

2 stops8h 50m

£173

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Thu 30/7

16:40-08:05

2 stops14h 25m

Brussels Bruxelles-National

Wed 5/8

16:55-23:20

1 stop7h 25m

£238

Flights are sorted by cheapest return flights first.

Deals found on 21/6

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from Belfast Intl to Brussels

Have a flexible travel schedule? Discover the best time to fly to Brussels from Belfast Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Brussels
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Brussels. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Belfast Intl to Brussels that include hotel bookings?

    Yes. In addition to deals on Belfast Intl to Brussels flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast Intl to Brussels?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Brussels.

  • Can I find deals for business class flights from Belfast Intl to Brussels?

    Yes. Cheapflights offers flight deals from Belfast Intl to Brussels by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Brussels?

Cheapflights helps you find that perfect flight to Brussels from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Belfast Intl to Brussels with no change fees?

Certainly. Search results for flights to Brussels from Belfast Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Belfast Intl to Brussels become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Brussels from Belfast Intl today and book when prices fit your budget.

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