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Cheap flights from Belfast Intl Airport to Belgium 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 Belgium departing on 15/10. 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
0 bags
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Find the cheapest flights from Belfast Intl Airport to Belgium

Cheap return flights

Logo
16:00 - 20:55BFS-CRL
3h 55m1 stop
Logo
07:50 - 12:40CRL-BFS
5h 50m1 stop
£135
Find Deal
to., 4 des. - sø., 7 des.
Logo
14:00 - 09:05BFS-BRU
18h 05m2 stops
Logo
22:05 - 13:00BRU-BFS
15h 55m2 stops
£171
Find Deal
lø., 18 okt. - lø., 25 okt.
Logo
08:35 - 13:30BFS-BRU
3h 55m1 stop
Logo
22:05 - 13:00BRU-BFS
15h 55m2 stops
£235
Find Deal
lø., 18 okt. - lø., 25 okt.
Logo
07:05 - 13:35BFS-BRU
5h 30m1 stop
Logo
16:15 - 21:40BRU-BFS
6h 25m1 stop
£264
Find Deal
to., 4 des. - sø., 7 des.
Logo
16:00 - 07:35BFS-BRU
14h 35m2 stops
Logo
06:15 - 12:40BRU-BFS
7h 25m2 stops
£278
Find Deal
to., 4 des. - sø., 7 des.
Logo
08:30 - 13:30BFS-BRU
4h 00m1 stop
Logo
10:00 - 21:00BRU-BFS
12h 00m1 stop
£308
Find Deal
lø., 18 okt. - lø., 25 okt.
Logo
07:05 - 13:35BFS-BRU
5h 30m1 stop
Logo
09:00 - 16:35BRU-BFS
8h 35m2 stops
£323
Find Deal
to., 4 des. - sø., 7 des.
Logo
08:35 - 13:30BFS-BRU
3h 55m1 stop
Logo
10:00 - 21:00BRU-BFS
12h 00m1 stop
£357
Find Deal
lø., 18 okt. - lø., 25 okt.
Logo
08:35 - 13:30BFS-BRU
3h 55m1 stop
Logo
19:30 - 07:45BRU-BFS
13h 15m2 stops
£365
Find Deal
lø., 18 okt. - lø., 25 okt.
Logo
18:30 - 14:25BFS-BRU
18h 55m2 stops
Logo
15:10 - 23:20BRU-BFS
9h 10m2 stops
£396
Find Deal
lø., 18 okt. - lø., 25 okt.

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport 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, momondo users made 279,928 searches. Data last updated 5 september 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Belgium that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastBrussels

BFS - CRL

BFSCRL

Belfast Intl

to. 4/12

16:00-20:55

1 stop3h 55m

Charleroi Brussels

sø. 7/12

07:50-12:40

1 stop5h 50m

£135

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

lø. 18/10

14:00-09:05

2 stops18h 05m

Brussels Bruxelles-National

lø. 25/10

22:05-13:00

2 stops15h 55m

£171

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

lø. 18/10

08:35-13:30

1 stop3h 55m

Brussels Bruxelles-National

lø. 25/10

22:05-13:00

2 stops15h 55m

£235

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

to. 4/12

07:05-13:35

1 stop5h 30m

Brussels Bruxelles-National

sø. 7/12

16:15-21:40

1 stop6h 25m

£264

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

to. 4/12

16:00-07:35

2 stops14h 35m

Brussels Bruxelles-National

sø. 7/12

06:15-12:40

2 stops7h 25m

£278

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

lø. 18/10

08:30-13:30

1 stop4h 00m

Brussels Bruxelles-National

lø. 25/10

10:00-21:00

1 stop12h 00m

£308

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

to. 4/12

07:05-13:35

1 stop5h 30m

Brussels Bruxelles-National

sø. 7/12

09:00-16:35

2 stops8h 35m

£323

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

lø. 18/10

08:35-13:30

1 stop3h 55m

Brussels Bruxelles-National

lø. 25/10

10:00-21:00

1 stop12h 00m

£357

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

lø. 18/10

08:35-13:30

1 stop3h 55m

Brussels Bruxelles-National

lø. 25/10

19:30-07:45

2 stops13h 15m

£365

BelfastBrussels

BFS - BRU

BFSBRU

Belfast Intl

lø. 18/10

18:30-14:25

2 stops18h 55m

Brussels Bruxelles-National

lø. 25/10

15:10-23:20

2 stops9h 10m

£396

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 Belgium from

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

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 Belgium?

The cheapest day to depart from Belfast Intl Airport to Belgium is on a Friday when prices can be found for as low as £173. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Belgium on Saturday is £218.

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

Our most recent data shows that the best time of day to fly to Belgium is in the morning. Flights from Belfast Intl Airport to Belgium during this time can be as low as £167. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are £207 on average. Flights to Belgium from Belfast Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Cheap Belfast Intl Airport to Belgium flight deals and tips

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

Direct flights

None
There are no direct flights from Belfast Intl Airport to Belgium. There are no popular flight routes from Belfast Intl Airport to Belgium.
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  • When did momondo last update prices for flights from Belfast Intl Airport to Belgium?

    Prices for flights from Belfast Intl Airport to Belgium refresh daily.

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

    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 Belgium.

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

    The required travel and health documents for your Belgium 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 Belgium. 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 Belgium?

Finding the right flight to Belgium from Belfast is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belgium quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Belfast to Belgium flights to just show those with flexible booking policies.

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

Once all potential Belfast to Belgium flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Belfast to Belgium now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belgium and let you know when they change.

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on. 10/9
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