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Cheap flights from Belfast to Dublin from €50

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 18/12. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 19:35BFS-DUB
13h 05m1 stop
Multiple Airlines Logo
22:55 - 08:55DUB-BFS
10h 00m1 stop
€98Multiple Airlines
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Thu, 8 Jan - Mon, 12 Jan
Multiple Airlines Logo
13:35 - 22:25BFS-DUB
8h 50m1 stop
Multiple Airlines Logo
06:40 - 20:45DUB-BFS
14h 05m1 stop
€111Multiple Airlines
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Thu, 8 Jan - Mon, 12 Jan
Multiple Airlines Logo
07:15 - 13:50BFS-DUB
6h 35m1 stop
Multiple Airlines Logo
06:30 - 13:00DUB-BFS
6h 30m1 stop
€113Multiple Airlines
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Tue, 2 Dec - Wed, 3 Dec
Multiple Airlines Logo
07:00 - 13:45BFS-DUB
6h 45m1 stop
Multiple Airlines Logo
11:45 - 19:55DUB-BFS
8h 10m1 stop
€115Multiple Airlines
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Mon, 12 Jan - Tue, 13 Jan
Multiple Airlines Logo
13:20 - 23:45BHD-DUB
10h 25m1 stop
Multiple Airlines Logo
06:30 - 16:25DUB-BHD
9h 55m1 stop
€122Multiple Airlines
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Thu, 8 Jan - Mon, 12 Jan
Multiple Airlines Logo
08:05 - 21:25BFS-DUB
13h 20m1 stop
Multiple Airlines Logo
05:45 - 18:55DUB-BFS
13h 10m1 stop
€123Multiple Airlines
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Fri, 12 Dec - Mon, 15 Dec
Multiple Airlines Logo
20:00 - 07:50BHD-DUB
11h 50m1 stop
Multiple Airlines Logo
06:55 - 17:15DUB-BHD
10h 20m1 stop
€125Multiple Airlines
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Thu, 8 Jan - Mon, 12 Jan
British Airways Logo
06:35 - 15:05BHD-DUB
8h 30m1 stop
British Airways Logo
08:50 - 13:55DUB-BHD
5h 05m1 stop
€193British Airways
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Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
06:35 - 14:05BHD-DUB
7h 30m1 stop
British Airways Logo
10:45 - 16:50DUB-BHD
6h 05m1 stop
€194British Airways
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Thu, 8 Jan - Mon, 12 Jan
Aer Lingus Logo
08:20 - 13:15BHD-DUB
4h 55m1 stop
Aer Lingus Logo
06:40 - 14:25DUB-BHD
7h 45m1 stop
€194Aer Lingus
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Thu, 8 Jan - Mon, 12 Jan

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
7 Mar
BHD06:35Belfast City
8h 30m
1 stop
DUB15:05Dublin
9 Mar
DUB08:50Dublin
5h 05m
1 stop
BHD13:55Belfast City
€193
Find similar
British Airways
8 Jan
BHD06:35Belfast City
7h 30m
1 stop
DUB14:05Dublin
12 Jan
DUB10:45Dublin
6h 05m
1 stop
BHD16:50Belfast City
€194
Find similar
British Airways
30 Mar
BHD19:30Belfast City
12h 15m
1 stop
DUB07:45Dublin
31 Mar
DUB12:45Dublin
6h 50m
1 stop
BHD19:35Belfast City
€250
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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 15 November 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

Thu 8/1

06:30-19:35

1 stop13h 05m

Dublin

Mon 12/1

22:55-08:55

1 stop10h 00m

€98

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 8/1

13:35-22:25

1 stop8h 50m

Dublin

Mon 12/1

06:40-20:45

1 stop14h 05m

€111

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 2/12

07:15-13:50

1 stop6h 35m

Dublin

Wed 3/12

06:30-13:00

1 stop6h 30m

€113

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 12/1

07:00-13:45

1 stop6h 45m

Dublin

Tue 13/1

11:45-19:55

1 stop8h 10m

€115

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 8/1

13:20-23:45

1 stop10h 25m

Dublin

Mon 12/1

06:30-16:25

1 stop9h 55m

€122

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 12/12

08:05-21:25

1 stop13h 20m

Dublin

Mon 15/12

05:45-18:55

1 stop13h 10m

€123

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 8/1

20:00-07:50

1 stop11h 50m

Dublin

Mon 12/1

06:55-17:15

1 stop10h 20m

€125

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

06:35-15:05

1 stop8h 30m

Dublin

Mon 9/3

08:50-13:55

1 stop5h 05m

€193

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 8/1

06:35-14:05

1 stop7h 30m

Dublin

Mon 12/1

10:45-16:50

1 stop6h 05m

€194

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 8/1

08:20-13:15

1 stop4h 55m

Dublin

Mon 12/1

06:40-14:25

1 stop7h 45m

€194

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 15m 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
Swords
Cavan
Dundalk
Tullamore
Enniscorthy
Kildare
Bray
Mullingar
Naas
Arklow
Carlingford
Maynooth
Leixlip
Drogheda
Gorey
Malahide
Castleknock

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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