Cheap flights from Northern Ireland 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 Northern Ireland to Dublin departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted the Winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Northern Ireland to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
05:45 - 11:35BFS-DUB
5h 50m1 stop
Multiple Airlines Logo
21:45 - 07:25DUB-BFS
9h 40m1 stop
€96Multiple Airlines
Find Deal
Sun, 11 Jan - Sun, 18 Jan
Multiple Airlines Logo
14:00 - 23:45BFS-DUB
9h 45m1 stop
Multiple Airlines Logo
06:20 - 14:55DUB-BFS
8h 35m1 stop
€97Multiple Airlines
Find Deal
Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
17:15 - 22:25BFS-DUB
5h 10m1 stop
Multiple Airlines Logo
15:00 - 20:25DUB-BFS
5h 25m1 stop
€98Multiple Airlines
Find Deal
Thu, 22 Jan - Fri, 23 Jan
Multiple Airlines Logo
14:50 - 19:35BFS-DUB
4h 45m1 stop
Multiple Airlines Logo
15:00 - 20:25DUB-BFS
5h 25m1 stop
€101Multiple Airlines
Find Deal
Thu, 22 Jan - Fri, 23 Jan
Multiple Airlines Logo
08:05 - 17:25BFS-DUB
9h 20m1 stop
Multiple Airlines Logo
18:35 - 23:45DUB-BFS
5h 10m1 stop
€103Multiple Airlines
Find Deal
Fri, 9 Jan - Fri, 16 Jan
Multiple Airlines Logo
20:30 - 23:50BFS-DUB
3h 20m1 stop
Multiple Airlines Logo
20:50 - 07:45DUB-BFS
10h 55m1 stop
€106Multiple Airlines
Find Deal
Sun, 11 Jan - Sun, 18 Jan
Aer Lingus Logo
14:25 - 18:10BHD-DUB
3h 45m1 stop
Aer Lingus Logo
06:40 - 11:20DUB-BHD
4h 40m1 stop
€151Aer Lingus
Find Deal
Fri, 26 Dec - Fri, 2 Jan
British Airways Logo
06:35 - 17:00BHD-DUB
10h 25m1 stop
British Airways Logo
13:00 - 18:40DUB-BHD
5h 40m1 stop
€176British Airways
Find Deal
Sat, 17 Jan - Mon, 19 Jan
British Airways Logo
06:35 - 15:05BHD-DUB
8h 30m1 stop
British Airways Logo
17:55 - 09:05DUB-BHD
15h 10m1 stop
€185British Airways
Find Deal
Sat, 17 Jan - Mon, 19 Jan
KLM Logo
17:20 - 22:10BHD-DUB
4h 50m1 stop
KLM Logo
17:15 - 16:50DUB-BHD
23h 35m1 stop
€367KLM
Find Deal
Thu, 11 Dec - Mon, 15 Dec

British Airways flights from Northern Ireland to Dublin

Our best British Airways deals on Northern Ireland to Dublin flight tickets
British Airways
17 Jan
BHD06:35Belfast City
10h 25m
1 stop
DUB17:00Dublin
19 Jan
DUB13:00Dublin
5h 40m
1 stop
BHD18:40Belfast City
British Airways
17 Jan
BHD06:35Belfast City
8h 30m
1 stop
DUB15:05Dublin
19 Jan
DUB17:55Dublin
15h 10m
1 stop
BHD09:05Belfast City
British Airways
17 Jan
BHD06:35Belfast City
8h 30m
1 stop
DUB15:05Dublin
19 Jan
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City

KLM flights from Northern Ireland to Dublin

Our best KLM deals on Northern Ireland to Dublin flight tickets
KLM
8 Jan
LDY06:30Londonderry Eglinton
9h 50m
2 stops
DUB16:20Dublin
14 Jan
DUB05:55Dublin
15h 50m
2 stops
LDY21:45Londonderry Eglinton
KLM
11 Dec
BHD17:20Belfast City
4h 50m
1 stop
DUB22:10Dublin
15 Dec
DUB17:15Dublin
23h 35m
1 stop
BHD16:50Belfast City
KLM
9 Jan
LDY14:00Londonderry Eglinton
8h 10m
2 stops
DUB22:10Dublin
12 Jan
DUB08:50Dublin
8h 45m
2 stops
LDY17:35Londonderry Eglinton

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland 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 28 November 2025.
Use the filters below to find and compare flights from Northern Ireland to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

€96

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

14:00-23:45

1 stop9h 45m

Dublin

Mon 19/1

06:20-14:55

1 stop8h 35m

€97

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/1

17:15-22:25

1 stop5h 10m

Dublin

Fri 23/1

15:00-20:25

1 stop5h 25m

€98

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 22/1

14:50-19:35

1 stop4h 45m

Dublin

Fri 23/1

15:00-20:25

1 stop5h 25m

€101

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 9/1

08:05-17:25

1 stop9h 20m

Dublin

Fri 16/1

18:35-23:45

1 stop5h 10m

€103

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sun 11/1

20:30-23:50

1 stop3h 20m

Dublin

Sun 18/1

20:50-07:45

1 stop10h 55m

€106

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Fri 26/12

14:25-18:10

1 stop3h 45m

Dublin

Fri 2/1

06:40-11:20

1 stop4h 40m

€151

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 17/1

06:35-17:00

1 stop10h 25m

Dublin

Mon 19/1

13:00-18:40

1 stop5h 40m

€176

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 17/1

06:35-15:05

1 stop8h 30m

Dublin

Mon 19/1

17:55-09:05

1 stop15h 10m

€185

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 11/12

17:20-22:10

1 stop4h 50m

Dublin

Mon 15/12

17:15-16:50

1 stop23h 35m

€367

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Dublin from

How to get the cheapest flight ticket from Northern Ireland 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 Northern Ireland to Dublin?

Ryanair and British Airways are the most popular carriers operating from Northern Ireland to Dublin

Cheap Northern Ireland to Dublin flight deals and tips

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

Fastest flight time

5h 50m

Direct flights

None
The fastest flight from Northern Ireland to Dublin takes 5h 50m
There are no direct flights from Northern Ireland to Dublin. There are no popular flight routes from Northern Ireland to Dublin.
  • When did momondo last update prices for flights from Northern Ireland to Dublin Airport?

    Prices for flights from Northern Ireland to Dublin Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Northern Ireland 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 Northern Ireland to Dublin Airport.

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

    The travel and health documents you'll need for your trip to Dublin Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Dublin Airport. It is always advisable to seek 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
Leixlip
Gorey
Malahide
Castleknock
Drogheda

Why use momondo?

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

It is quick and easy to find Northern Ireland to Dublin flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Dublin that suits you.

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

Yes. momondo allows you to filter the results for Northern Ireland to Dublin flights to just show those with flexible booking policies.

How can momondo help me find flights from Northern Ireland to Dublin?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dublin from Northern Ireland.

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

Of course. momondo tracks the price of Northern Ireland to Dublin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Dublin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 28/12
Sun 4/1