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Cheap flights from Belfast Intl Airport to Brussels from £45

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BRU
23 May — 30 May1
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 23 April 2026.

Mon 1/621:55
BFS
-
CRL
1 stop13h 55m
Multiple Airlines
Mon 8/615:00
CRL
-
BFS
1 stop7h 30m
Multiple Airlines
Deal found 18/4£81
Tue 2/607:35
BFS
-
CRL
1 stop4h 15m
Multiple Airlines
Tue 9/619:45
CRL
-
BFS
1 stop12h 20m
Multiple Airlines
Deal found 18/4£81
Mon 11/521:55
BFS
-
CRL
1 stop13h 55m
Multiple Airlines
Wed 13/508:00
CRL
-
BFS
1 stop8h 15m
Multiple Airlines
Deal found 20/4£85
Tue 21/707:35
BFS
-
CRL
1 stop4h 15m
Multiple Airlines
Sat 25/712:15
CRL
-
BFS
1 stop10h 00m
Multiple Airlines
Deal found 21/4£95
Thu 14/512:45
BFS
-
CRL
1 stop8h 30m
Multiple Airlines
Wed 20/518:10
CRL
-
BFS
2 stops22h 10m
Multiple Airlines
Deal found 22/4£98
Thu 11/622:45
BFS
-
CRL
1 stop8h 35m
Multiple Airlines
Tue 16/606:40
CRL
-
BFS
2 stops17h 25m
Multiple Airlines
Deal found 20/4£98
Mon 15/608:40
BFS
-
CRL
1 stop4h 50m
Multiple Airlines
Thu 18/615:20
CRL
-
BFS
2 stops18h 10m
Multiple Airlines
Deal found 22/4£101
Thu 4/614:50
BFS
-
CRL
2 stops18h 05m
Multiple Airlines
Thu 11/617:20
CRL
-
BFS
2 stops15h 30m
Multiple Airlines
Deal found 20/4£104
Wed 27/507:30
BFS
-
CRL
1 stop14h 25m
Multiple Airlines
Mon 8/609:40
CRL
-
BFS
1 stop12h 50m
Multiple Airlines
Deal found 22/4£104
Tue 2/607:35
BFS
-
BRU
2 stops10h 35m
Multiple Airlines
Tue 9/618:05
BRU
-
BFS
2 stops16h 15m
Multiple Airlines
Deal found 20/4£132
Wed 3/615:40
BFS
-
BRU
2 stops16h 55m
Multiple Airlines
Wed 10/610:30
BRU
-
BFS
2 stops10h 20m
Multiple Airlines
Deal found 19/4£135
Wed 27/517:25
BFS
-
BRU
2 stops20h 05m
Multiple Airlines
Mon 8/618:55
BRU
-
BFS
1 stop15h 25m
Multiple Airlines
Deal found 22/4£181

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 23 April 2026.

Round-trip from

£81

One-way from

£45
1/6-8/6
  • 1/6-8/6
  • 2 total stops
  • 21h 25m total
  • Belfast to Brussels
Search Deals
8/6
  • 8/6
  • 1 total stop
  • 9h 45m 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 23 April 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
Fastest return journey

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 4/6

12:45-22:15

1 stop8h 30m

Charleroi Brussels

Thu 11/6

19:00-22:20

1 stop4h 20m

£81

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Mon 1/6

21:55-12:50

1 stop13h 55m

Charleroi Brussels

Mon 8/6

15:00-21:30

1 stop7h 30m

£81

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Sun 14/6

07:10-15:20

1 stop7h 10m

Charleroi Brussels

Sat 20/6

12:15-21:15

1 stop10h 00m

£81

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Tue 2/6

07:35-12:50

1 stop4h 15m

Charleroi Brussels

Tue 9/6

19:45-07:05

1 stop12h 20m

£81

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Mon 11/5

21:55-12:50

1 stop13h 55m

Charleroi Brussels

Wed 13/5

08:00-15:15

1 stop8h 15m

£85

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 14/5

12:45-22:15

1 stop8h 30m

Charleroi Brussels

Wed 20/5

08:00-15:15

1 stop8h 15m

£85

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Wed 27/5

07:30-22:55

1 stop14h 25m

Charleroi Brussels

Mon 8/6

09:40-21:30

1 stop12h 50m

£104

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Wed 27/5

20:20-09:05

1 stop11h 45m

Brussels Bruxelles-National

Mon 8/6

18:55-09:20

1 stop15h 25m

£186

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Tue 23/6

10:15-18:45

1 stop7h 30m

Brussels Bruxelles-National

Wed 24/6

18:00-19:15

2 stops26h 15m

£201

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Thu 11/6

21:10-09:05

1 stop10h 55m

Brussels Bruxelles-National

Tue 16/6

21:00-11:05

1 stop15h 05m

£206

Flights are sorted by cheapest return flights first.

Deals found on 20/4

Showing 1-10 of 26 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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How does Cheapflights help users find flights from Belfast Intl to Brussels?

When you search for this flight from Belfast Intl to Brussels, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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