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Cheap flights from Belfast Intl Airport to Brussels from £73

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 16/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
21:05 - 09:25BFS  Belfast Intl-BRU Brussels Bruxelles-National
11h 20m1 stop Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
21:30 - 10:10BRU  Brussels Bruxelles-National-BFS Belfast Intl
13h 40m2 stops Pisa Gal Galilei London Stansted
£133Multiple Airlines
Mon, 14 Sep - Sat, 19 Sep
Multiple Airlines Logo
17:40 - 09:35BFS  Belfast Intl-BRU Brussels Bruxelles-National
14h 55m2 stops Glasgow Intl Dublin
Multiple Airlines Logo
18:25 - 15:20BRU  Brussels Bruxelles-National-BFS Belfast Intl
21h 55m2 stops Barcelona-El Prat London Stansted
£145Multiple Airlines
Wed, 9 Sep - Thu, 17 Sep
Multiple Airlines Logo
21:05 - 09:25BFS  Belfast Intl-BRU Brussels Bruxelles-National
11h 20m1 stop Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
20:35 - 08:00BRU  Brussels Bruxelles-National-BFS Belfast Intl
12h 25m1 stop Alicante
£147Multiple Airlines
Mon, 14 Sep - Sat, 19 Sep
Multiple Airlines Logo
09:15 - 17:55BFS  Belfast Intl-BRU Brussels Bruxelles-National
7h 40m2 stops London Stansted Dublin
Multiple Airlines Logo
10:00 - 23:20BRU  Brussels Bruxelles-National-BFS Belfast Intl
14h 20m2 stops Dublin London Stansted
£148Multiple Airlines
Thu, 24 Sep - Tue, 29 Sep
Multiple Airlines Logo
18:50 - 09:10BFS  Belfast Intl-BRU Brussels Bruxelles-National
13h 20m2 stops Edinburgh Turnhouse Dublin
Multiple Airlines Logo
21:30 - 10:10BRU  Brussels Bruxelles-National-BFS Belfast Intl
13h 40m2 stops Pisa Gal Galilei London Stansted
£151Multiple Airlines
Mon, 14 Sep - Sat, 19 Sep
Multiple Airlines Logo
07:40 - 09:15BFS  Belfast Intl-BRU Brussels Bruxelles-National
24h 35m2 stops London Stansted Dublin
Multiple Airlines Logo
22:15 - 12:20BRU  Brussels Bruxelles-National-BFS Belfast Intl
15h 05m2 stops Palma de Mallorca Son Sant Joan London Stansted
£154Multiple Airlines
Sat, 12 Sep - Sun, 13 Sep
Multiple Airlines Logo
09:45 - 17:45BFS  Belfast Intl-BRU Brussels Bruxelles-National
7h 00m1 stop Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
18:25 - 08:30BRU  Brussels Bruxelles-National-BFS Belfast Intl
15h 05m2 stops Barcelona-El Prat Manchester
£158Multiple Airlines
Wed, 16 Sep - Thu, 17 Sep
Multiple Airlines Logo
17:40 - 09:35BFS  Belfast Intl-BRU Brussels Bruxelles-National
14h 55m2 stops Glasgow Intl Dublin
Multiple Airlines Logo
22:15 - 09:45BRU  Brussels Bruxelles-National-BFS Belfast Intl
12h 30m1 stop Barcelona-El Prat
£161Multiple Airlines
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
22:05 - 17:15BFS  Belfast Intl-BRU Brussels Bruxelles-National
18h 10m2 stops Manchester Dublin
Multiple Airlines Logo
06:35 - 14:10BRU  Brussels Bruxelles-National-BFS Belfast Intl
8h 35m1 stop Alicante
£165Multiple Airlines
Mon, 16 Nov - Thu, 19 Nov
Multiple Airlines Logo
19:25 - 09:00BFS  Belfast Intl-BRU Brussels Bruxelles-National
12h 35m2 stops London Stansted Dublin
Multiple Airlines Logo
09:50 - 20:10BRU  Brussels Bruxelles-National-BFS Belfast Intl
11h 20m2 stops Dublin London Stansted
£168Multiple Airlines
Fri, 30 Oct - Tue, 3 Nov

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Customise your flight search to find flights from Belfast Intl Airport to Brussels Bruxelles-National Airport 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 14 August 2026.
Use the filters below to find and compare flights from Belfast Intl Airport to Brussels Bruxelles-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Mon 14/9

21:05-09:25

1 stop11h 20m

Brussels Bruxelles-National

Sat 19/9

21:30-10:10

2 stops13h 40m

£133

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Wed 9/9

17:40-09:35

2 stops14h 55m

Brussels Bruxelles-National

Thu 17/9

18:25-15:20

2 stops21h 55m

£145

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Mon 14/9

21:05-09:25

1 stop11h 20m

Brussels Bruxelles-National

Sat 19/9

20:35-08:00

1 stop12h 25m

£147
Fastest return journey

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Thu 24/9

09:15-17:55

2 stops7h 40m

Brussels Bruxelles-National

Tue 29/9

10:00-23:20

2 stops14h 20m

£148

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Mon 14/9

18:50-09:10

2 stops13h 20m

Brussels Bruxelles-National

Sat 19/9

21:30-10:10

2 stops13h 40m

£151

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Sat 12/9

07:40-09:15

2 stops24h 35m

Brussels Bruxelles-National

Sun 13/9

22:15-12:20

2 stops15h 05m

£154

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Wed 16/9

09:45-17:45

1 stop7h 00m

Brussels Bruxelles-National

Thu 17/9

18:25-08:30

2 stops15h 05m

£158

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Wed 9/9

17:40-09:35

2 stops14h 55m

Brussels Bruxelles-National

Wed 16/9

22:15-09:45

1 stop12h 30m

£161

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Mon 16/11

22:05-17:15

2 stops18h 10m

Brussels Bruxelles-National

Thu 19/11

06:35-14:10

1 stop8h 35m

£165

BelfastBrussels

BFS Belfast Intl - BRU Brussels Bruxelles-National

BFSBRU

Belfast Intl

Fri 30/10

19:25-09:00

2 stops12h 35m

Brussels Bruxelles-National

Tue 3/11

09:50-20:10

2 stops11h 20m

£168

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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When to book flights from Belfast Intl Airport to Brussels Bruxelles-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to Brussels Bruxelles-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Belfast Intl Airport to Brussels Bruxelles-National Airport (BFS to BRU) flight deals and tips

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

Fastest flight time

3h 45m

Direct flights

None
The fastest flight from Belfast Intl Airport to Brussels Bruxelles-National Airport takes 3h 45m
There are no direct flights from Belfast Intl Airport to Brussels Bruxelles-National Airport. There are no popular flight routes from Belfast Intl Airport to Brussels Bruxelles-National Airport.
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Frequently asked questions about flying from Belfast Intl Airport to Brussels Bruxelles-National Airport

  • How far is Belfast Intl to Brussels Bruxelles-National by plane?

    There are 515.9 mi between Belfast Intl and Brussels Bruxelles-National. A reasonable flight in good conditions will take 3h 45m.

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

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

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

    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 Bruxelles-National Airport.

  • What documentation or ID do you need to fly to Brussels Bruxelles-National Airport?

    The required travel and health documents for your Brussels Bruxelles-National Airport 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 Bruxelles-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Belfast Intl Airport to Brussels Bruxelles-National Airport

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Belfast Intl Airport from Brussels Bruxelles-National Airport. 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 Bruxelles-National Airport 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.

Travelling to a place near Brussels?

Book flights to Brussels if you plan to visit one of these locations
Bruges
Ghent
Ypres
Waterloo
Spa
Zaventem
Leuven
Charleroi
Namur
Mechelen
Mons
Oostkamp
Hasselt
Genk
Aalst
Francorchamps
Dinant
Knokke-Heist

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Brussels from Belfast.

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

Flights from Belfast to Brussels with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Brussels from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Belfast to Brussels flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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