Cheap flights from Belfast to Dublin from €48

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
06:15 - 19:35
BFS
-
DUB
13h 20m1 stop
Multiple Airlines Logo
07:00 - 18:25
DUB
-
BFS
11h 25m1 stop
€93Multiple Airlines
Thu, 29 Jan - Mon, 2 Feb
Multiple Airlines Logo
07:40 - 16:05
BFS
-
DUB
8h 25m1 stop
Multiple Airlines Logo
06:30 - 10:45
DUB
-
BFS
4h 15m1 stop
€98Multiple Airlines
Wed, 4 Feb - Wed, 11 Feb
Multiple Airlines Logo
13:55 - 23:05
BFS
-
DUB
9h 10m1 stop
Multiple Airlines Logo
20:00 - 09:20
DUB
-
BFS
13h 20m1 stop
€98Multiple Airlines
Wed, 4 Feb - Wed, 11 Feb
Multiple Airlines Logo
10:35 - 16:00
BFS
-
DUB
5h 25m1 stop
Multiple Airlines Logo
17:00 - 21:55
DUB
-
BFS
4h 55m1 stop
€99Multiple Airlines
Mon, 19 Jan - Mon, 26 Jan
Multiple Airlines Logo
07:20 - 16:25
BFS
-
DUB
9h 05m1 stop
Multiple Airlines Logo
06:45 - 10:20
DUB
-
BFS
3h 35m1 stop
€100Multiple Airlines
Sat, 7 Feb - Wed, 11 Feb
Multiple Airlines Logo
10:05 - 15:05
BHD
-
DUB
5h 00m1 stop
Multiple Airlines Logo
06:30 - 16:25
DUB
-
BHD
9h 55m1 stop
€106Multiple Airlines
Mon, 19 Jan - Mon, 26 Jan
Multiple Airlines Logo
06:00 - 14:25
BFS
-
DUB
8h 25m1 stop
Multiple Airlines Logo
15:00 - 18:55
DUB
-
BFS
3h 55m1 stop
€113Multiple Airlines
Sat, 24 Jan - Mon, 26 Jan
Multiple Airlines Logo
16:45 - 22:15
BHD
-
DUB
5h 30m1 stop
Multiple Airlines Logo
06:35 - 16:25
DUB
-
BHD
9h 50m1 stop
€119Multiple Airlines
Sat, 24 Jan - Mon, 26 Jan
British Airways Logo
06:35 - 14:20
BHD
-
DUB
7h 45m1 stop
British Airways Logo
15:10 - 07:40
DUB
-
BHD
16h 30m1 stop
€211British Airways
Sat, 24 Jan - Mon, 26 Jan
British Airways Logo
09:15 - 14:20
BHD
-
DUB
5h 05m1 stop
British Airways Logo
13:40 - 19:40
DUB
-
BHD
6h 00m1 stop
€265British Airways
Wed, 18 Feb - Sun, 22 Feb

British Airways flights from Belfast to Dublin

Our best British Airways deals on Belfast to Dublin flight tickets
British Airways
24 Jan
BHD06:35Belfast City
7h 45m
1 stop
DUB14:20Dublin
26 Jan
DUB15:10Dublin
16h 30m
1 stop
BHD07:40Belfast City
British Airways
18 Feb
BHD09:15Belfast City
5h 05m
1 stop
DUB14:20Dublin
22 Feb
DUB13:40Dublin
6h 00m
1 stop
BHD19:40Belfast City
British Airways
18 Feb
BHD06:35Belfast City
10h 25m
1 stop
DUB17:00Dublin
22 Feb
DUB13:40Dublin
6h 50m
1 stop
BHD20:30Belfast 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 24 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 29/1

06:15-19:35

1 stop13h 20m

Dublin

Mon 2/2

07:00-18:25

1 stop11h 25m

€93

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 4/2

07:40-16:05

1 stop8h 25m

Dublin

Wed 11/2

06:30-10:45

1 stop4h 15m

€98

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 4/2

13:55-23:05

1 stop9h 10m

Dublin

Wed 11/2

20:00-09:20

1 stop13h 20m

€98

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 19/1

10:35-16:00

1 stop5h 25m

Dublin

Mon 26/1

17:00-21:55

1 stop4h 55m

€99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 7/2

07:20-16:25

1 stop9h 05m

Dublin

Wed 11/2

06:45-10:20

1 stop3h 35m

€100

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Mon 19/1

10:05-15:05

1 stop5h 00m

Dublin

Mon 26/1

06:30-16:25

1 stop9h 55m

€106

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 24/1

06:00-14:25

1 stop8h 25m

Dublin

Mon 26/1

15:00-18:55

1 stop3h 55m

€113

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 24/1

16:45-22:15

1 stop5h 30m

Dublin

Mon 26/1

06:35-16:25

1 stop9h 50m

€119

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 24/1

06:35-14:20

1 stop7h 45m

Dublin

Mon 26/1

15:10-07:40

1 stop16h 30m

€211

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Wed 18/2

09:15-14:20

1 stop5h 05m

Dublin

Sun 22/2

13:40-19:40

1 stop6h 00m

€265

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

5h 30m

Direct flights

None
The fastest flight from Belfast to Dublin takes 5h 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. 5h 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
Naas
Kildare
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
Fri 23/1
Fri 30/1