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 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
08:05 - 17:25
BFS
-
DUB
9h 20m1 stop
Multiple Airlines Logo
09:20 - 21:45
DUB
-
BFS
12h 25m1 stop
€96Multiple Airlines
Fri, 9 Jan - Sun, 11 Jan
Multiple Airlines Logo
06:30 - 15:30
BFS
-
DUB
9h 00m1 stop
Multiple Airlines Logo
06:30 - 14:40
DUB
-
BFS
8h 10m1 stop
€100Multiple Airlines
Tue, 10 Feb - Sun, 15 Feb
Multiple Airlines Logo
08:05 - 17:25
BFS
-
DUB
9h 20m1 stop
Multiple Airlines Logo
11:55 - 21:40
DUB
-
BFS
9h 45m1 stop
€100Multiple Airlines
Fri, 9 Jan - Sun, 11 Jan
Multiple Airlines Logo
16:35 - 21:10
BFS
-
DUB
4h 35m1 stop
Multiple Airlines Logo
11:40 - 14:45
DUB
-
BFS
3h 05m1 stop
€101Multiple Airlines
Wed, 28 Jan - Wed, 4 Feb
Multiple Airlines Logo
16:30 - 20:50
BFS
-
DUB
4h 20m1 stop
Multiple Airlines Logo
13:05 - 19:05
DUB
-
BFS
6h 00m1 stop
€109Multiple Airlines
Tue, 13 Jan - Tue, 20 Jan
Multiple Airlines Logo
05:45 - 11:35
BFS
-
DUB
5h 50m1 stop
Multiple Airlines Logo
21:45 - 07:25
DUB
-
BFS
9h 40m1 stop
€114Multiple Airlines
Sun, 11 Jan - Sun, 18 Jan
Multiple Airlines Logo
08:05 - 17:25
BFS
-
DUB
9h 20m1 stop
Multiple Airlines Logo
16:25 - 07:25
DUB
-
BFS
15h 00m2 stops
€120Multiple Airlines
Fri, 9 Jan - Sun, 11 Jan
Multiple Airlines Logo
20:00 - 07:50
BHD
-
DUB
11h 50m1 stop
Multiple Airlines Logo
06:30 - 16:25
DUB
-
BHD
9h 55m1 stop
€123Multiple Airlines
Thu, 22 Jan - Mon, 26 Jan
British Airways Logo
10:40 - 17:00
BHD
-
DUB
6h 20m1 stop
British Airways Logo
20:40 - 07:40
DUB
-
BHD
11h 00m1 stop
€186British Airways
Thu, 22 Jan - Mon, 26 Jan
British Airways Logo
19:25 - 12:10
BHD
-
DUB
16h 45m1 stop
British Airways Logo
10:55 - 19:15
DUB
-
BHD
8h 20m1 stop
€194British Airways
Tue, 20 Jan - Sat, 24 Jan

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
22 Jan
BHD10:40Belfast City
6h 20m
1 stop
DUB17:00Dublin
26 Jan
DUB20:40Dublin
11h 00m
1 stop
BHD07:40Belfast City
British Airways
20 Jan
BHD19:25Belfast City
16h 45m
1 stop
DUB12:10Dublin
24 Jan
DUB10:55Dublin
8h 20m
1 stop
BHD19:15Belfast City
British Airways
15 Jan
BHD17:45Belfast City
14h 10m
1 stop
DUB07:55Dublin
17 Jan
DUB17:55Dublin
15h 15m
1 stop
BHD09:10Belfast City

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 16 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

Fri 9/1

08:05-17:25

1 stop9h 20m

Dublin

Sun 11/1

09:20-21:45

1 stop12h 25m

€96

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 10/2

06:30-15:30

1 stop9h 00m

Dublin

Sun 15/2

06:30-14:40

1 stop8h 10m

€100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 9/1

08:05-17:25

1 stop9h 20m

Dublin

Sun 11/1

11:55-21:40

1 stop9h 45m

€100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 28/1

16:35-21:10

1 stop4h 35m

Dublin

Wed 4/2

11:40-14:45

1 stop3h 05m

€101

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 13/1

16:30-20:50

1 stop4h 20m

Dublin

Tue 20/1

13:05-19:05

1 stop6h 00m

€109

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 11/1

05:45-11:35

1 stop5h 50m

Dublin

Sun 18/1

21:45-07:25

1 stop9h 40m

€114

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 9/1

08:05-17:25

1 stop9h 20m

Dublin

Sun 11/1

16:25-07:25

2 stops15h 00m

€120

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 22/1

20:00-07:50

1 stop11h 50m

Dublin

Mon 26/1

06:30-16:25

1 stop9h 55m

€123

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 22/1

10:40-17:00

1 stop6h 20m

Dublin

Mon 26/1

20:40-07:40

1 stop11h 00m

€186

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Tue 20/1

19:25-12:10

1 stop16h 45m

Dublin

Sat 24/1

10:55-19:15

1 stop8h 20m

€194

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?

Ryanair 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

4h 30m

Direct flights

None
The fastest flight from Belfast to Dublin takes 4h 30m
There are no direct flights from Belfast to Dublin. There are no popular flight routes from Belfast to Dublin.
  • How far is Belfast to Dublin by plane?

    There are 140.9 km between Belfast and Dublin. 4h 30m 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
Naas
Enniscorthy
Bray
Mullingar
Carlingford
Arklow
Gorey
Malahide
Maynooth
Leixlip
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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1 adult
Thu 15/1
Thu 22/1