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Cheap flights from Belfast to Dublin 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 to Dublin departing on 5/12. 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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0 bags
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Cheap return flights

Multiple Airlines Logo
23:10 - 13:20BFS-DUB
14h 10m1 stop
Multiple Airlines Logo
08:30 - 15:10DUB-BFS
6h 40m1 stop
€108Multiple Airlines
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Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
07:05 - 19:00BFS-DUB
11h 55m1 stop
Multiple Airlines Logo
06:30 - 18:55DUB-BFS
12h 25m1 stop
€119Multiple Airlines
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Thu, 6 Nov - Mon, 10 Nov
Multiple Airlines Logo
15:25 - 20:55BFS-DUB
5h 30m1 stop
Multiple Airlines Logo
10:05 - 15:00DUB-BFS
4h 55m1 stop
€120Multiple Airlines
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Wed, 15 Oct - Wed, 22 Oct
Multiple Airlines Logo
15:25 - 22:20BFS-DUB
6h 55m1 stop
Multiple Airlines Logo
06:30 - 15:00DUB-BFS
8h 30m1 stop
€122Multiple Airlines
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Ryanair Logo
05:45 - 14:50BFS-DUB
9h 05m1 stop
Ryanair Logo
16:55 - 22:00DUB-BFS
5h 05m1 stop
€124Ryanair
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Sat, 1 Nov - Sat, 8 Nov
Multiple Airlines Logo
07:50 - 14:50BFS-DUB
7h 00m1 stop
Multiple Airlines Logo
18:45 - 08:50DUB-BFS
14h 05m1 stop
€128Multiple Airlines
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Fri, 31 Oct - Fri, 7 Nov
British Airways Logo
10:40 - 17:00BHD-DUB
6h 20m1 stop
British Airways Logo
08:50 - 13:15DUB-BHD
4h 25m1 stop
€183British Airways
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Thu, 6 Nov - Mon, 10 Nov
British Airways Logo
15:05 - 19:50BHD-DUB
4h 45m1 stop
British Airways Logo
17:55 - 07:40DUB-BHD
13h 45m1 stop
€184British Airways
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Sat, 7 Mar - Mon, 9 Mar
Aer Lingus Logo
06:50 - 22:30BHD-DUB
15h 40m1 stop
Aer Lingus Logo
14:50 - 20:55DUB-BHD
6h 05m1 stop
€322Aer Lingus
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Wed, 15 Oct - Wed, 22 Oct
KLM Logo
17:20 - 22:10BHD-DUB
4h 50m1 stop
KLM Logo
08:50 - 21:00DUB-BHD
12h 10m1 stop
€322KLM
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Thu, 6 Nov - Mon, 10 Nov

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
6 Nov
BHD10:40Belfast City
6h 20m
1 stop
DUB17:00Dublin
10 Nov
DUB08:50Dublin
4h 25m
1 stop
BHD13:15Belfast City
€183
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British Airways
7 Mar
BHD15:05Belfast City
4h 45m
1 stop
DUB19:50Dublin
9 Mar
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City
€184
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British Airways
7 Mar
BHD09:15Belfast City
10h 35m
1 stop
DUB19:50Dublin
9 Mar
DUB17:55Dublin
15h 10m
1 stop
BHD09:05Belfast City
€185
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momondo Fare Finder

 
Customise your flight search to find flights from Belfast to Dublin 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 13,528 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Belfast to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 1/11

23:10-13:20

1 stop14h 10m

Dublin

Sat 8/11

08:30-15:10

1 stop6h 40m

€108

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 6/11

07:05-19:00

1 stop11h 55m

Dublin

Mon 10/11

06:30-18:55

1 stop12h 25m

€119

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/10

15:25-20:55

1 stop5h 30m

Dublin

Wed 22/10

10:05-15:00

1 stop4h 55m

€120

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/10

15:25-22:20

1 stop6h 55m

Dublin

Wed 22/10

06:30-15:00

1 stop8h 30m

€122

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 1/11

05:45-14:50

1 stop9h 05m

Dublin

Sat 8/11

16:55-22:00

1 stop5h 05m

€124

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 31/10

07:50-14:50

1 stop7h 00m

Dublin

Fri 7/11

18:45-08:50

1 stop14h 05m

€128

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 6/11

10:40-17:00

1 stop6h 20m

Dublin

Mon 10/11

08:50-13:15

1 stop4h 25m

€183

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

15:05-19:50

1 stop4h 45m

Dublin

Mon 9/3

17:55-07:40

1 stop13h 45m

€184

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Wed 15/10

06:50-22:30

1 stop15h 40m

Dublin

Wed 22/10

14:50-20:55

1 stop6h 05m

€322

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 6/11

17:20-22:10

1 stop4h 50m

Dublin

Mon 10/11

08:50-21:00

1 stop12h 10m

€322

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Dublin from

How to get the cheapest flight ticket from Belfast to Dublin

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 airline that flies from Belfast to Dublin?

British Airways is the most popular carrier operating from Belfast to Dublin

Cheap Belfast to Dublin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Dublin

Direct flights

None
There are no direct flights from Belfast to Dublin. There are no popular flight routes from Belfast to Dublin.
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  • How far is Belfast to Dublin by plane?

    There are 140.9 km between Belfast and Dublin. 3h 00m is a normal flight duration for this route.

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

    Prices for flights from Belfast to Dublin Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Dublin Airport.

  • What documentation or ID do you need to fly to Dublin Airport?

    The necessary travel and health documents for your Dublin Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Kilkenny
Athlone
Wicklow
Cavan
Swords
Dundalk
Tullamore
Enniscorthy
Kildare
Naas
Mullingar
Bray
Maynooth
Arklow
Drogheda
Malahide
Carlingford
Portmarnock
Castleknock
Leixlip

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Belfast to Dublin for you.

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

Yes. momondo enables you to select and highlight flights to Dublin from Belfast with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Dublin.

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

Yes momondo offers price alerts on flights to Dublin 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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