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Cheap flights from Northern Ireland to Belgium 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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — BRU
12 May — 19 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Belgium

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Belgium
Explore the most affordable flight options available from Northern Ireland to Belgium. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 April 2026.

Wed 6/507:30
BFS
-
CRL
1 stop7h 00m
Multiple Airlines
Wed 13/508:00
CRL
-
BFS
1 stop8h 15m
Multiple Airlines
Deal found 8/4£77
Thu 7/512:45
BFS
-
CRL
1 stop8h 30m
Multiple Airlines
Thu 14/519:00
CRL
-
BFS
1 stop4h 20m
Multiple Airlines
Deal found 9/4£78
Thu 14/522:45
BFS
-
CRL
1 stop8h 35m
Multiple Airlines
Wed 20/509:10
CRL
-
BFS
1 stop11h 40m
Multiple Airlines
Deal found 11/4£84
Thu 21/512:45
BFS
-
CRL
1 stop8h 30m
Multiple Airlines
Mon 25/521:40
CRL
-
BFS
2 stops13h 20m
Multiple Airlines
Deal found 10/4£106
Wed 6/514:25
BHD
-
CRL
1 stop7h 30m
Multiple Airlines
Wed 13/508:00
CRL
-
BHD
1 stop10h 20m
Multiple Airlines
Deal found 8/4£114
Mon 13/708:40
BFS
-
CRL
1 stop4h 50m
Multiple Airlines
Mon 13/719:40
CRL
-
BFS
1 stop12h 45m
Multiple Airlines
Deal found 8/4£114
Thu 16/712:45
BFS
-
CRL
1 stop8h 30m
Multiple Airlines
Fri 28/808:45
CRL
-
BFS
1 stop11h 45m
Multiple Airlines
Deal found 8/4£119
Thu 7/516:00
BHD
-
CRL
1 stop5h 15m
Multiple Airlines
Thu 14/514:20
CRL
-
BHD
1 stop7h 45m
Multiple Airlines
Deal found 9/4£120
Thu 14/507:00
BHD
-
CRL
1 stop5h 55m
Multiple Airlines
Wed 20/508:00
CRL
-
BHD
1 stop6h 50m
Multiple Airlines
Deal found 11/4£123
Thu 21/511:05
BHD
-
CRL
1 stop10h 10m
Multiple Airlines
Mon 25/521:40
CRL
-
BHD
2 stops21h 10m
Multiple Airlines
Deal found 10/4£137
Wed 6/519:55
BFS
-
BRU
2 stops12h 40m
Multiple Airlines
Wed 13/510:30
BRU
-
BFS
2 stops10h 20m
Multiple Airlines
Deal found 8/4£140
Mon 25/508:40
BFS
-
BRU
2 stops23h 30m
Multiple Airlines
Mon 1/621:00
BRU
-
BFS
1 stop12h 55m
Multiple Airlines
Deal found 10/4£143

Find flight deals from Northern Ireland to Belgium

Keep the following information in mind while searching for Northern Ireland to Belgium flight deals. Data was last updated 12 April 2026.

Round-trip from

£77

One-way from

£40
6/5-13/5
  • 6/5-13/5
  • 2 total stops
  • 15h 15m total
  • Northern Ireland to Belgium
Search Deals
18/5
  • 18/5
  • 1 total stop
  • 9h 45m total
  • Northern Ireland to Belgium
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland 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 12 April 2026.
Use the filters below to find and compare flights from Northern Ireland to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Wed 6/5

07:30-15:30

1 stop7h 00m

Charleroi Brussels

Wed 13/5

08:00-15:15

1 stop8h 15m

£77

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 14/5

22:45-08:20

1 stop8h 35m

Charleroi Brussels

Wed 20/5

09:10-19:50

1 stop11h 40m

£84

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 7/5

12:45-09:55

2 stops20h 10m

Charleroi Brussels

Thu 14/5

19:00-22:20

1 stop4h 20m

£94

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 21/5

12:45-22:15

1 stop8h 30m

Charleroi Brussels

Mon 25/5

21:40-10:00

2 stops13h 20m

£106

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Mon 13/7

08:40-14:30

1 stop4h 50m

Charleroi Brussels

Mon 13/7

19:40-07:25

1 stop12h 45m

£114

BelfastBrussels

BHD - CRL

BHDCRL

Belfast City

Thu 7/5

16:00-22:15

1 stop5h 15m

Charleroi Brussels

Thu 14/5

14:20-21:05

1 stop7h 45m

£120
Fastest return journey

BelfastBrussels

BHD - CRL

BHDCRL

Belfast City

Thu 14/5

07:00-13:55

1 stop5h 55m

Charleroi Brussels

Wed 20/5

08:00-13:50

1 stop6h 50m

£123

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Mon 21/9

08:40-14:30

1 stop4h 50m

Charleroi Brussels

Sat 26/9

12:15-21:15

1 stop10h 00m

£127

BelfastBrussels

BHD - CRL

BHDCRL

Belfast City

Thu 21/5

11:05-22:15

1 stop10h 10m

Charleroi Brussels

Mon 25/5

21:40-17:50

2 stops21h 10m

£137

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 16/7

12:45-22:15

1 stop8h 30m

Charleroi Brussels

Fri 28/8

19:00-09:05

2 stops15h 05m

£151

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 52 resultsSorted by cheapest first
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Best time to book a flight from Northern Ireland to Belgium

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

  • How long is the flight from Northern Ireland to Belgium?

    For as low as £191, KLM can have you in Belgium from Northern Ireland in 20h 45m. Northern Ireland and Belgium are separated by a distance of 502 mi.

  • Can I find deals for flights from Northern Ireland to Belgium that include hotel bookings?

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

  • How can I find direct flights from Northern Ireland to Belgium?

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

  • Can I find deals for business class flights from Northern Ireland to Belgium?

    Yes. Cheapflights offers flight deals from Northern Ireland 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

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Northern Ireland to Belgium?

Cheapflights helps you search for flights from Northern Ireland to Belgium via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Belgium?

Cheapflights simply makes it quick and affordable to book flights from Northern Ireland to Belgium by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Northern Ireland to Belgium with no change fees?

Certainly. Search results for flights to Belgium from Northern Ireland 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 Northern Ireland to Belgium become cheaper?

Yes, Cheapflights offers price alerts on Northern Ireland to Belgium flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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