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Cheap flights from Belfast Intl Airport to Brussels from £57

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 24/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Belfast Intl Airport to Brussels

Cheap return flights

Logo
23:05 - 08:10BFS-CRL
8h 05m1 stop
Logo
17:00 - 20:25CRL-BFS
4h 25m1 stop
£124
Find Deal
Sun, 26 Oct - Fri, 31 Oct
Logo
16:00 - 22:50BFS-CRL
5h 50m1 stop
Logo
06:35 - 15:00CRL-BFS
9h 25m1 stop
£125
Find Deal
Thu, 2 Oct - Wed, 8 Oct
Logo
17:05 - 22:55BFS-CRL
4h 50m1 stop
Logo
08:45 - 16:40CRL-BFS
8h 55m1 stop
£132
Find Deal
Fri, 17 Oct - Fri, 24 Oct
Logo
08:05 - 16:35BFS-CRL
7h 30m1 stop
Logo
07:50 - 12:40CRL-BFS
5h 50m1 stop
£135
Find Deal
Fri, 19 Dec - Sun, 21 Dec
Logo
23:05 - 08:10BFS-CRL
8h 05m1 stop
Logo
11:55 - 15:10CRL-BFS
4h 15m1 stop
£139
Find Deal
Sun, 26 Oct - Sat, 1 Nov
Logo
07:35 - 15:10BFS-CRL
6h 35m1 stop
Logo
19:40 - 22:20CRL-BFS
3h 40m1 stop
£139
Find Deal
Fri, 5 Sep - Mon, 8 Sep
Logo
07:35 - 22:55BFS-CRL
14h 20m1 stop
Logo
13:15 - 09:55CRL-BFS
21h 40m2 stops
£145
Find Deal
Fri, 17 Oct - Fri, 24 Oct
Logo
09:15 - 17:10BFS-CRL
6h 55m1 stop
Logo
09:15 - 21:30CRL-BFS
13h 15m2 stops
£150
Find Deal
Thu, 2 Oct - Wed, 8 Oct
Logo
23:05 - 08:10BFS-CRL
8h 05m1 stop
Logo
19:15 - 22:30CRL-BFS
4h 15m1 stop
£161
Find Deal
Sun, 26 Oct - Thu, 30 Oct
Logo
07:10 - 15:40BFS-BRU
7h 30m2 stops
Logo
09:35 - 21:30BRU-BFS
12h 55m2 stops
£162
Find Deal
Thu, 2 Oct - Wed, 8 Oct

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 August 2025.
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

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Sun 26/10

23:05-08:10

1 stop8h 05m

Charleroi Brussels

Fri 31/10

17:00-20:25

1 stop4h 25m

£124

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 2/10

16:00-22:50

1 stop5h 50m

Charleroi Brussels

Wed 8/10

06:35-15:00

1 stop9h 25m

£125

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 17/10

17:05-22:55

1 stop4h 50m

Charleroi Brussels

Fri 24/10

08:45-16:40

1 stop8h 55m

£132

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 19/12

08:05-16:35

1 stop7h 30m

Charleroi Brussels

Sun 21/12

07:50-12:40

1 stop5h 50m

£135

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Sun 26/10

23:05-08:10

1 stop8h 05m

Charleroi Brussels

Sat 1/11

11:55-15:10

1 stop4h 15m

£139

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 5/9

07:35-15:10

1 stop6h 35m

Charleroi Brussels

Mon 8/9

19:40-22:20

1 stop3h 40m

£139

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Fri 17/10

07:35-22:55

1 stop14h 20m

Charleroi Brussels

Fri 24/10

13:15-09:55

2 stops21h 40m

£145

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Thu 2/10

09:15-17:10

1 stop6h 55m

Charleroi Brussels

Wed 8/10

09:15-21:30

2 stops13h 15m

£150

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

Sun 26/10

23:05-08:10

1 stop8h 05m

Charleroi Brussels

Thu 30/10

19:15-22:30

1 stop4h 15m

£161

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

Thu 2/10

07:10-15:40

2 stops7h 30m

Brussels Bruxelles-National

Wed 8/10

09:35-21:30

2 stops12h 55m

£162

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Brussels from

How to get the cheapest flight ticket from Belfast Intl Airport to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Brussels?

Our data shows that Friday is the least expensive day to fly to Brussels. Tickets to fly out on this day can be as low as £172. On the other hand, Saturday is the most expensive day to depart from Belfast Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £217.

What is the cheapest time of day to depart on your flight to Brussels?

According to our data, the cheapest time of day to fly to Brussels is in the morning. momondo users have found flights departing from Belfast Intl Airport to Brussels in the morning for as low as £166. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Brussels, so prices are often more expensive at around £206 per ticket.

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

Direct flights

None
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 3h 15m.

  • 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.

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