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Cheap flights from Belfast Intl Airport to Belgium from £42

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BRU
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Belgium

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Belgium
Explore the most affordable flight options available from Belfast Intl to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Sat 25/421:40
BFS
-
CRL
1 stop9h 30m
Multiple Airlines
Sat 2/512:15
CRL
-
BFS
1 stop10h 00m
Multiple Airlines
Deal found 11/3£87
Tue 14/423:30
BFS
-
BRU
2 stops16h 55m
Multiple Airlines
Tue 21/408:25
BRU
-
BFS
1 stop8h 55m
Multiple Airlines
Deal found 15/3£101
Thu 9/422:45
BFS
-
CRL
1 stop8h 35m
Multiple Airlines
Wed 15/408:00
CRL
-
BFS
1 stop8h 15m
Multiple Airlines
Deal found 12/3£107
Tue 28/416:40
BFS
-
BRU
2 stops16h 15m
Multiple Airlines
Tue 5/508:25
BRU
-
BFS
1 stop8h 55m
Multiple Airlines
Deal found 14/3£115
Sun 19/422:00
BFS
-
BRU
2 stops17h 45m
Multiple Airlines
Tue 21/408:25
BRU
-
BFS
1 stop8h 55m
Multiple Airlines
Deal found 11/3£132
Thu 9/410:15
BFS
-
BRU
1 stop6h 10m
Multiple Airlines
Wed 15/420:55
BRU
-
BFS
1 stop13h 50m
Multiple Airlines
Deal found 13/3£203
Sat 25/408:30
BFS
-
BRU
1 stop10h 30m
Multiple Airlines
Sat 2/520:35
BRU
-
BFS
1 stop12h 25m
Multiple Airlines
Deal found 11/3£260
Sat 25/417:05
BFS
-
ANR
1 stop18h 30m
Multiple Airlines
Sat 2/513:50
ANR
-
BFS
2 stops20h 35m
Multiple Airlines
Deal found 11/3£453

Find flight deals from Belfast Intl to Belgium

Keep the following information in mind while searching for Belfast Intl to Belgium flight deals. Data was last updated 16 March 2026.

Round-trip from

£87

One-way from

£42
25/4-2/5
  • 25/4-2/5
  • 2 total stops
  • 19h 30m total
  • Belfast to Belgium
Search Deals
11/6
  • 11/6
  • 1 total stop
  • 8h 30m total
  • Belfast to Belgium
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to Belgium 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 16 March 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Sat 25/4

21:40-08:10

1 stop9h 30m

Charleroi Brussels

Sat 2/5

12:15-21:15

1 stop10h 00m

£87

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Tue 14/4

23:30-17:25

2 stops16h 55m

Brussels Bruxelles-National

Tue 21/4

08:25-16:20

1 stop8h 55m

£101

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 9/4

22:45-08:20

1 stop8h 35m

Charleroi Brussels

Wed 15/4

08:00-15:15

1 stop8h 15m

£107

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Tue 28/4

16:40-09:55

2 stops16h 15m

Brussels Bruxelles-National

Tue 5/5

08:25-16:20

1 stop8h 55m

£115

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Thu 9/4

10:15-17:25

1 stop6h 10m

Brussels Bruxelles-National

Wed 15/4

20:55-09:45

1 stop13h 50m

£203

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Sat 25/4

08:30-20:00

1 stop10h 30m

Brussels Bruxelles-National

Sat 2/5

20:35-08:00

1 stop12h 25m

£262

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Mon 27/4

06:30-15:20

1 stop7h 50m

Brussels Bruxelles-National

Mon 4/5

19:30-08:05

2 stops13h 35m

£286
Fastest return journey

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Sun 19/4

22:10-08:30

1 stop9h 20m

Brussels Bruxelles-National

Tue 21/4

10:00-15:35

1 stop6h 35m

£287

BelfastAntwerp

BFS - ANR

BFSANR

Belfast Intl

Sat 25/4

17:05-12:35

1 stop18h 30m

Antwerp Deurne

Sat 2/5

07:00-17:45

1 stop11h 45m

£477
Cheapest one-way

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 11/6

12:45-22:15

1 stop8h 30m

£42

Flights are sorted by cheapest return flights first.

Deals found on 14/3

Showing 1-10 of 28 resultsSorted by cheapest first
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Best time to book a flight from Belfast Intl to Belgium

Have a flexible travel schedule? Discover the best time to fly to Belgium 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 Belgium
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 Belgium. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Belfast Intl Airport to Belgium?

    Most travelers choose Belfast Intl - Brussels Bruxelles-National, Belfast Intl - Antwerp Deurne or Belfast Intl - Charleroi Brussels when deciding on the best route from Belfast Intl Airport to Belgium.

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

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

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

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

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

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

See more FAQs

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Alternative routes for Belfast Intl to Belgium

See prices for flight routes from nearby airports that may be better suited for you.
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