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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 momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Brussels departing on 16/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from Belfast Intl Airport to Brussels

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:35 - 22:55
BFS
-
CRL
14h 20m
1 stop
Multiple Airlines Logo
08:35 - 15:20
CRL
-
BFS
7h 45m
1 stop
£79Multiple Airlines
Tue, 19 May - Thu, 21 May
Multiple Airlines Logo
15:40 - 22:55
BFS
-
CRL
6h 15m
1 stop
Multiple Airlines Logo
08:00 - 15:15
CRL
-
BFS
8h 15m
1 stop
£81Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
21:55 - 08:40
BFS
-
CRL
9h 45m
1 stop
Multiple Airlines Logo
09:40 - 21:30
CRL
-
BFS
12h 50m
1 stop
£95Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Multiple Airlines Logo
07:35 - 22:55
BFS
-
CRL
14h 20m
1 stop
Multiple Airlines Logo
19:45 - 07:05
CRL
-
BFS
12h 20m
1 stop
£96Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
08:30 - 18:00
BFS
-
CRL
8h 30m
2 stops
Multiple Airlines Logo
08:00 - 15:15
CRL
-
BFS
8h 15m
1 stop
£97Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
21:55 - 08:40
BFS
-
CRL
9h 45m
1 stop
Multiple Airlines Logo
22:00 - 16:15
CRL
-
BFS
19h 15m
2 stops
£102Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Multiple Airlines Logo
20:15 - 18:00
BFS
-
CRL
20h 45m
2 stops
Multiple Airlines Logo
19:00 - 22:20
CRL
-
BFS
4h 20m
1 stop
£110Multiple Airlines
Tue, 19 May - Thu, 21 May
Multiple Airlines Logo
07:35 - 22:55
BFS
-
CRL
14h 20m
1 stop
Multiple Airlines Logo
21:55 - 11:35
CRL
-
BFS
14h 40m
2 stops
£120Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
16:05 - 09:55
BFS
-
BRU
16h 50m
2 stops
Multiple Airlines Logo
10:20 - 22:20
BRU
-
BFS
13h 00m
2 stops
£134Multiple Airlines
Tue, 5 May - Thu, 7 May
Multiple Airlines Logo
17:05 - 09:10
BFS
-
BRU
15h 05m
2 stops
Multiple Airlines Logo
19:35 - 07:50
BRU
-
BFS
13h 15m
2 stops
£135Multiple Airlines
Fri, 8 May - Fri, 15 May

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport 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, momondo users made 279,928 searches. Data last updated 26 March 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

Tue 19/5

07:35-22:55

1 stop14h 20m

Charleroi Brussels

Thu 21/5

08:35-15:20

1 stop7h 45m

£79
Fastest return journey

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Wed 6/5

15:40-22:55

1 stop6h 15m

Charleroi Brussels

Wed 13/5

08:00-15:15

1 stop8h 15m

£81

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Mon 20/4

21:55-08:40

1 stop9h 45m

Charleroi Brussels

Mon 27/4

09:40-21:30

1 stop12h 50m

£95

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Tue 5/5

07:35-22:55

1 stop14h 20m

Charleroi Brussels

Tue 12/5

19:45-07:05

1 stop12h 20m

£96

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Wed 6/5

08:30-18:00

2 stops8h 30m

Charleroi Brussels

Wed 13/5

08:00-15:15

1 stop8h 15m

£97

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Mon 20/4

21:55-08:40

1 stop9h 45m

Charleroi Brussels

Mon 27/4

22:00-16:15

2 stops19h 15m

£102

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Tue 19/5

20:15-18:00

2 stops20h 45m

Charleroi Brussels

Thu 21/5

19:00-22:20

1 stop4h 20m

£110

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Tue 5/5

07:35-22:55

1 stop14h 20m

Charleroi Brussels

Tue 12/5

21:55-11:35

2 stops14h 40m

£120

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Tue 5/5

16:05-09:55

2 stops16h 50m

Brussels Bruxelles-National

Thu 7/5

10:20-22:20

2 stops13h 00m

£134

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Fri 8/5

17:05-09:10

2 stops15h 05m

Brussels Bruxelles-National

Fri 15/5

19:35-07:50

2 stops13h 15m

£135

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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Cheap Belfast Intl Airport to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Brussels

Fastest flight time

6h 30m

Direct flights

None
The fastest flight from Belfast Intl Airport to Brussels takes 6h 30m
There are no direct flights from Belfast Intl Airport to Brussels. There are no popular flight routes from Belfast Intl Airport to Brussels.
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  • How far is Belfast Intl to Brussels by plane?

    Brussels is 513.0 mi away from Belfast Intl. By plane, this route typically takes 6h 30m.

  • When did momondo last update prices for flights from Belfast Intl Airport to Brussels?

    Prices for flights from Belfast Intl Airport to Brussels are updated daily.

  • How old do you have to be to fly from Belfast Intl Airport to Brussels?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast Intl Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The required travel and health documents for your Brussels trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Brussels. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Belfast Intl Airport to Brussels?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Belfast Intl Airport from Brussels. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Belfast Intl Airport to Brussels with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Brussels?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Belfast to Brussels . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Belfast to Brussels with flexible booking policies on momondo?

Yes. All flights to Brussels from Belfast on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Belfast to Brussels?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Brussels from Belfast.

I’m not ready to book a flight from Belfast to Brussels right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Brussels from Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport