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Cheap flights from Belfast to Dublin from €46

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 12/1. 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
07:05 - 15:25BFS-DUB
8h 20m1 stop
Multiple Airlines Logo
10:05 - 16:10DUB-BFS
6h 05m1 stop
€90Multiple Airlines
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Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
06:00 - 20:05BFS-DUB
14h 05m1 stop
Multiple Airlines Logo
15:00 - 20:25DUB-BFS
5h 25m1 stop
€92Multiple Airlines
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Fri, 16 Jan - Fri, 23 Jan
Multiple Airlines Logo
07:05 - 13:05BFS-DUB
6h 00m1 stop
Multiple Airlines Logo
06:15 - 09:45DUB-BFS
3h 30m1 stop
€98Multiple Airlines
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Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
06:00 - 13:00BFS-DUB
7h 00m1 stop
Multiple Airlines Logo
06:15 - 09:45DUB-BFS
3h 30m1 stop
€102Multiple Airlines
Find Deal
Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
20:00 - 07:05BHD-DUB
11h 05m1 stop
Multiple Airlines Logo
06:30 - 16:25DUB-BHD
9h 55m1 stop
€115Multiple Airlines
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Thu, 8 Jan - Mon, 12 Jan
Multiple Airlines Logo
06:50 - 20:35BHD-DUB
13h 45m1 stop
Multiple Airlines Logo
11:15 - 19:55DUB-BHD
8h 40m1 stop
€131Multiple Airlines
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Tue, 30 Dec - Tue, 6 Jan
Multiple Airlines Logo
06:55 - 11:50BHD-DUB
4h 55m1 stop
Multiple Airlines Logo
07:10 - 12:00DUB-BHD
4h 50m1 stop
€146Multiple Airlines
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Mon, 29 Dec - Mon, 5 Jan
Multiple Airlines Logo
19:35 - 20:05BFS-DUB
24h 30m2 stops
Multiple Airlines Logo
19:20 - 08:20DUB-BFS
13h 00m1 stop
€146Multiple Airlines
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Tue, 30 Dec - Tue, 6 Jan
British Airways Logo
06:35 - 14:05BHD-DUB
7h 30m1 stop
British Airways Logo
10:45 - 16:50DUB-BHD
6h 05m1 stop
€177British Airways
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Thu, 8 Jan - Mon, 12 Jan
British Airways Logo
15:05 - 19:50BHD-DUB
4h 45m1 stop
British Airways Logo
17:55 - 07:40DUB-BHD
13h 45m1 stop
€187British Airways
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Sat, 10 Jan - Mon, 12 Jan

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
8 Jan
BHD06:35Belfast City
7h 30m
1 stop
DUB14:05Dublin
12 Jan
DUB10:45Dublin
6h 05m
1 stop
BHD16:50Belfast City
€176
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British Airways
10 Jan
BHD15:05Belfast City
4h 45m
1 stop
DUB19:50Dublin
12 Jan
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City
€187
Find similar
British Airways
8 Jan
BHD06:35Belfast City
7h 30m
1 stop
DUB14:05Dublin
12 Jan
DUB10:20Dublin
8h 20m
2 stops
BHD18:40Belfast City
€279
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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 2 December 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 15/1

07:05-15:25

1 stop8h 20m

Dublin

Thu 22/1

10:05-16:10

1 stop6h 05m

€90

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 16/1

06:00-20:05

1 stop14h 05m

Dublin

Fri 23/1

15:00-20:25

1 stop5h 25m

€92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

07:05-13:05

1 stop6h 00m

Dublin

Mon 19/1

06:15-09:45

1 stop3h 30m

€98

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

06:00-13:00

1 stop7h 00m

Dublin

Mon 19/1

06:15-09:45

1 stop3h 30m

€102

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 8/1

20:00-07:05

1 stop11h 05m

Dublin

Mon 12/1

06:30-16:25

1 stop9h 55m

€115

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Tue 30/12

06:50-20:35

1 stop13h 45m

Dublin

Tue 6/1

11:15-19:55

1 stop8h 40m

€131

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Mon 29/12

06:55-11:50

1 stop4h 55m

Dublin

Mon 5/1

07:10-12:00

1 stop4h 50m

€146

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 30/12

19:35-20:05

2 stops24h 30m

Dublin

Tue 6/1

19:20-08:20

1 stop13h 00m

€146

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

€176

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 10/1

15:05-19:50

1 stop4h 45m

Dublin

Mon 12/1

17:55-07:40

1 stop13h 45m

€187

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

Fastest flight time

6h 10m

Direct flights

None
The fastest flight from Belfast to Dublin takes 6h 10m
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
Kildare
Enniscorthy
Bray
Naas
Mullingar
Carlingford
Arklow
Maynooth
Gorey
Leixlip
Malahide
Castleknock
Drogheda

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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