In terms of precipitation, rainfall in Brussels ranges from 40.0 - 80.0 inches per month. January is typically the wettest month, when rainfall can reach 80.0 mm. August is typically the driest time to visit Brussels when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Brussels, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 3.0 C).

What is the cheapest time of day to fly from BFS to BRU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast Intl Airport to Brussels as you normally would.

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.

£69+ Cheap Flights from Belfast Intl Airport to Brussels

Cheap flight deals from Belfast Intl to Brussels

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 20 September 2026.

Thu 5/1109:25 -

1 stop11h 40m

Thu 12/1118:50 -

1 stop14h 05m

Deal found 18/9£84

Sat 17/1021:40 -

1 stop9h 30m

Sat 24/1008:10 -

1 stop14h 05m

Deal found 19/9£88

Thu 29/1009:25 -

1 stop11h 40m

Thu 5/1106:50 -

1 stop13h 55m

Deal found 17/9£93

Sun 18/1022:10 -

1 stop10h 05m

Sat 24/1019:20 -

1 stop14h 05m

Deal found 18/9£94

Sun 15/1107:50 -

1 stop14h 05m

Sat 21/1109:25 -

1 stop4h 05m

Deal found 20/9£96

Fri 11/1219:50 -

1 stop12h 10m

Sun 13/1207:30 -

1 stop6h 25m

Deal found 19/9£102

Thu 29/1017:20 -

1 stop3h 45m

Wed 4/1119:15 -

1 stop14h 10m

Deal found 16/9£103

Fri 6/1121:00 -

1 stop11h 00m

Fri 13/1121:35 -

1 stop11h 25m

Deal found 19/9£111

Mon 19/1021:55 -

1 stop13h 55m

Mon 26/1019:25 -

2 stops13h 30m

Deal found 16/9£113

Sun 15/1117:15 -

2 stops15h 35m

Sat 21/1109:35 -

2 stops10h 00m

Deal found 20/9£146

Fri 2/1019:20 -

2 stops12h 50m

Mon 5/1018:55 -

2 stops14h 20m

Deal found 16/9£160

Mon 2/1118:25 -

2 stops13h 50m

Mon 9/1110:20 -

2 stops11h 25m

Deal found 18/9£163

Best flights from Belfast Intl to Brussels
Discover carefully curated flight deals from Belfast Intl to Brussels that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Sat 17/1021:40 -

1 stop9h 30m

Sat 24/1008:10 -

1 stop14h 05m

Deal found 19/9£88

Thu 29/1009:25 -

1 stop11h 40m

Thu 5/1106:50 -

1 stop13h 55m

Deal found 17/9£93

Sun 18/1022:10 -

1 stop10h 05m

Sat 24/1019:20 -

1 stop14h 05m

Deal found 18/9£94

Sun 15/1107:50 -

1 stop14h 05m

Sat 21/1109:25 -

1 stop4h 05m

Deal found 20/9£96

Thu 29/1017:20 -

1 stop3h 45m

Wed 4/1119:15 -

1 stop14h 10m

Deal found 16/9£104

Fri 6/1121:00 -

1 stop11h 00m

Fri 13/1121:35 -

1 stop11h 25m

Deal found 19/9£111

Mon 26/1022:05 -

1 stop20h 30m

Mon 2/1106:40 -

1 stop5h 40m

Deal found 17/9£124

Sun 15/1117:15 -

2 stops15h 35m

Sat 21/1109:35 -

2 stops10h 00m

Deal found 20/9£146

Fri 2/1019:20 -

2 stops12h 50m

Mon 5/1018:55 -

2 stops14h 20m

Deal found 16/9£160

Fri 6/1120:50 -

2 stops11h 10m

Fri 13/1110:15 -

2 stops9h 35m

Deal found 19/9£181

Mon 2/1118:25 -

2 stops13h 50m

Mon 9/1110:25 -

2 stops7h 50m

Deal found 18/9£187

Thu 29/1021:00 -

1 stop10h 50m

Thu 5/1121:15 -

1 stop12h 05m

Deal found 17/9£188

Sun 18/1016:30 -

1 stop15h 45m

Sat 24/1015:15 -

2 stops18h 10m

Deal found 18/9£195

Thu 5/1106:30 -

1 stop5h 45m

Thu 12/1117:50 -

2 stops14h 25m

Deal found 18/9£196

Find flight deals from Belfast Intl to Brussels

Round-trip from	£84
One-way from	£69

5/11-12/11
2 total stops
25h 45m total
Belfast to Brussels

Search Deals

25/9-31/12
1 total stop
23h 25m total
Belfast to Brussels

Search Deals

Cheapflights Fare Finder

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 Belfast Intl - CRL Charleroi Brussels

BFSCRL

Belfast Intl

Fri 25/9

22:10-22:35

1 stop23h 25m

Charleroi Brussels

Wed 31/12

00:00-00:00

Nonstop0h 00m

£69

BelfastBrussels

BFS Belfast Intl - CRL Charleroi Brussels

BFSCRL

Belfast Intl

Sun 25/10

06:15-10:20

1 stop27h 05m

Charleroi Brussels

Wed 31/12

00:00-00:00

Nonstop0h 00m

£81

BelfastBrussels

BFS Belfast Intl - CRL Charleroi Brussels

BFSCRL

Belfast Intl

Sat 17/10

21:40-08:10

1 stop9h 30m

Charleroi Brussels

Sat 24/10

08:10-21:15

1 stop14h 05m

£88

BelfastBrussels

BFS Belfast Intl - CRL Charleroi Brussels

BFSCRL

Belfast Intl

Thu 29/10

09:25-22:05

1 stop11h 40m

Charleroi Brussels

Thu 5/11

06:50-19:45

1 stop13h 55m

£93

BelfastBrussels

BFS Belfast Intl - CRL Charleroi Brussels

BFSCRL

Belfast Intl

Sun 18/10

22:10-09:15

1 stop10h 05m

Charleroi Brussels

Sat 24/10

19:20-08:25

1 stop14h 05m

£94

BelfastBrussels

BFS Belfast Intl - CRL Charleroi Brussels

BFSCRL

Belfast Intl

Sun 15/11

07:50-22:55

1 stop14h 05m

Charleroi Brussels

Sat 21/11

09:25-12:30

1 stop4h 05m

£96

BelfastBrussels

BFS Belfast Intl - CRL Charleroi Brussels

BFSCRL

Belfast Intl

Thu 29/10

17:20-22:05

1 stop3h 45m

Charleroi Brussels

Wed 4/11

19:15-08:25

1 stop14h 10m

£104

BelfastBrussels

BFS Belfast Intl - CRL Charleroi Brussels

BFSCRL

Belfast Intl

Fri 6/11

21:00-09:00

1 stop11h 00m

Charleroi Brussels

Fri 13/11

21:35-08:00

1 stop11h 25m

£111

Fastest return journey

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Sun 25/10

21:15-13:15

1 stop15h 00m

Brussels Bruxelles-National

Wed 31/12

00:00-00:00

Nonstop0h 00m

£114

BelfastBrussels

BFS Belfast Intl - CRL Charleroi Brussels

BFSCRL

Belfast Intl

Mon 26/10

22:05-19:35

1 stop20h 30m

Charleroi Brussels

Mon 2/11

06:40-11:20

1 stop5h 40m

£124

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Showing 1-10 of 18 resultsSorted by cheapest first

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.

BFS-BR1

BFS-CRL

BFS-BRU

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

BFS-BR1

BFS-CRL

BFS-BRU

No data available for this route at this time. Please check back soon.

Related info for your journey

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.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Belgium

Flights by cabin class

Other flight options

Other flights from Belfast Intl

Popular flights

Alternative routes for Belfast Intl to Brussels

Belfast Intl to Bruxelles-National flights

Belfast City to Bruxelles-National flights

Belfast Intl to Antwerp flights

Belfast City to Antwerp flights

Belfast Intl to Charleroi Brussels flights

Belfast City to Charleroi Brussels flights

Fly with Cheapflights

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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Cheap flights from Belfast Intl Airport to Brussels from £69

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Brussels

Cheapest flights from Belfast Intl to BrusselsExplore 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 20 September 2026.

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 20 September 2026.

Best flights from Belfast Intl to BrusselsDiscover carefully curated flight deals from Belfast Intl to Brussels that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Discover carefully curated flight deals from Belfast Intl to Brussels that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from Belfast Intl to BrusselsDiscover last-minute flight deals from Belfast Intl to Brussels. Data last updated 20 September 2026 and is based on user searches.

Discover last-minute flight deals from Belfast Intl to Brussels. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Belfast Intl to BrusselsSearch for one-way flight options from Belfast Intl to Brussels. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Search for one-way flight options from Belfast Intl to Brussels. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Find flight deals from Belfast Intl to Brussels

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Belfast Intl Airport to Brussels that are best for you.

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.

Cheapflights Insights

Related info for your journey

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast Intl to Brussels

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

Complete your trip

Complete your trip to Brussels by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Belgium

Book a non-stop flight to one of these other cities located in Belgium.

Search flights from Belfast Intl to Brussels by cabin class

Find flights from Belfast Intl to Brussels, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Belfast Intl and Brussels flights

Browse other Belfast Intl and Brussels flight options. Last updated on 20 September 2026.

Other flights from Belfast Intl

Browse through other flights departing from Belfast Intl. Flights are based on user searches made on Cheapflights and were last updated on 20 September 2026.

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Check out other popular destinations found by fellow travellers in 2026

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How does Cheapflights help users find flights from Belfast Intl to Brussels?

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

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

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

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Travel Smart

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 20 September 2026.

Best flights from Belfast Intl to Brussels
Discover carefully curated flight deals from Belfast Intl to Brussels that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from Belfast Intl to Brussels
Discover last-minute flight deals from Belfast Intl to Brussels. Data last updated 20 September 2026 and is based on user searches.

One-way flights from Belfast Intl to Brussels
Search for one-way flight options from Belfast Intl to Brussels. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.