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Cheap flights from Northern Ireland to Dublin from €41

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 8/9. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Northern Ireland to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:40 - 20:30BFS  Belfast Intl-DUB Dublin
4h 50m1 stop Manchester
Multiple Airlines Logo
06:30 - 15:15DUB  Dublin-BFS Belfast Intl
8h 45m1 stop Manchester
€82Multiple Airlines
Wed, 16 Sep - Wed, 23 Sep
Multiple Airlines Logo
16:00 - 21:30LDY  Londonderry Eglinton-DUB Dublin
5h 30m1 stop Manchester
Multiple Airlines Logo
06:20 - 14:30DUB  Dublin-LDY Londonderry Eglinton
8h 10m1 stop Manchester
€83Multiple Airlines
Wed, 9 Sep - Mon, 21 Sep
Multiple Airlines Logo
16:00 - 20:30LDY  Londonderry Eglinton-DUB Dublin
4h 30m1 stop Manchester
Multiple Airlines Logo
10:55 - 17:00DUB  Dublin-LDY Londonderry Eglinton
6h 05m1 stop Manchester
€85Multiple Airlines
Wed, 2 Sep - Sun, 6 Sep
Multiple Airlines Logo
15:40 - 21:30BFS  Belfast Intl-DUB Dublin
5h 50m1 stop Manchester
Multiple Airlines Logo
22:05 - 12:15DUB  Dublin-BFS Belfast Intl
14h 10m1 stop London Stansted
€85Multiple Airlines
Wed, 2 Sep - Mon, 7 Sep
Multiple Airlines Logo
16:00 - 21:30LDY  Londonderry Eglinton-DUB Dublin
5h 30m1 stop Manchester
Multiple Airlines Logo
06:20 - 14:30DUB  Dublin-LDY Londonderry Eglinton
8h 10m1 stop Manchester
€86Multiple Airlines
Wed, 9 Sep - Mon, 21 Sep
Multiple Airlines Logo
15:40 - 21:30BFS  Belfast Intl-DUB Dublin
5h 50m1 stop Manchester
Multiple Airlines Logo
14:40 - 21:30DUB  Dublin-BFS Belfast Intl
6h 50m1 stop Manchester
€86Multiple Airlines
Wed, 2 Sep - Mon, 7 Sep
Multiple Airlines Logo
21:40 - 23:25BFS  Belfast Intl-DUB Dublin
25h 45m1 stop Manchester
Multiple Airlines Logo
06:30 - 14:15DUB  Dublin-BFS Belfast Intl
7h 45m1 stop London Stansted
€86Multiple Airlines
Sat, 26 Sep - Sat, 3 Oct
Multiple Airlines Logo
17:05 - 23:59BFS  Belfast Intl-DUB Dublin
6h 54m1 stop Manchester
Multiple Airlines Logo
06:05 - 18:55DUB  Dublin-BFS Belfast Intl
12h 50m1 stop Edinburgh Turnhouse
€87Multiple Airlines
Fri, 25 Sep - Fri, 2 Oct
Multiple Airlines Logo
15:40 - 21:30BFS  Belfast Intl-DUB Dublin
5h 50m1 stop Manchester
Multiple Airlines Logo
22:05 - 12:15DUB  Dublin-BFS Belfast Intl
14h 10m1 stop London Stansted
€88Multiple Airlines
Wed, 2 Sep - Mon, 7 Sep
Multiple Airlines Logo
16:00 - 21:30LDY  Londonderry Eglinton-DUB Dublin
5h 30m1 stop Manchester
Multiple Airlines Logo
06:20 - 14:30DUB  Dublin-LDY Londonderry Eglinton
8h 10m1 stop Manchester
€89Multiple Airlines
Wed, 9 Sep - Mon, 21 Sep

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KLM flights from Northern Ireland to Dublin

Our best KLM deals on Northern Ireland to Dublin flight tickets
KLM
31 Oct
LDY06:30Londonderry Eglinton
9h 50m
2 stops
DUB16:20Dublin
1 Nov
DUB08:55Dublin
12h 45m
2 stops
LDY21:40Londonderry Eglinton
€361
KLM
28 Sept
LDY18:10Londonderry Eglinton
16h 15m
2 stops
DUB10:25Dublin
5 Oct
DUB11:10Dublin
10h 35m
2 stops
LDY21:45Londonderry Eglinton
€410
KLM
27 Sept
LDY09:05Londonderry Eglinton
37h 20m
2 stops
DUB22:25Dublin
4 Oct
DUB05:55Dublin
39h 50m
2 stops
LDY21:45Londonderry Eglinton
€438

British Airways flights from Northern Ireland to Dublin

Our best British Airways deals on Northern Ireland to Dublin flight tickets
British Airways
12 Oct
BHD06:30Belfast City
13h 05m
1 stop
DUB19:35Dublin
15 Oct
DUB13:45Dublin
6h 50m
1 stop
BHD20:35Belfast City
€198
British Airways
1 Oct
BHD12:45Belfast City
5h 15m
1 stop
DUB18:00Dublin
5 Oct
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€199
British Airways
1 Oct
BHD12:45Belfast City
5h 15m
1 stop
DUB18:00Dublin
5 Oct
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€200

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 16 August 2026.
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

Cheapest return flight

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Wed 16/9

15:40-20:30

1 stop4h 50m

Dublin

Wed 23/9

06:30-15:15

1 stop8h 45m

€82

LondonderryDublin

LDY Londonderry Eglinton - DUB Dublin

LDYDUB

Londonderry Eglinton

Wed 9/9

16:00-21:30

1 stop5h 30m

Dublin

Mon 21/9

06:20-14:30

1 stop8h 10m

€83
Fastest return journey

LondonderryDublin

LDY Londonderry Eglinton - DUB Dublin

LDYDUB

Londonderry Eglinton

Wed 2/9

16:00-20:30

1 stop4h 30m

Dublin

Sun 6/9

10:55-17:00

1 stop6h 05m

€85

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Wed 2/9

15:40-21:30

1 stop5h 50m

Dublin

Mon 7/9

22:05-12:15

1 stop14h 10m

€85

LondonderryDublin

LDY Londonderry Eglinton - DUB Dublin

LDYDUB

Londonderry Eglinton

Wed 9/9

16:00-21:30

1 stop5h 30m

Dublin

Mon 21/9

06:20-14:30

1 stop8h 10m

€86

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Wed 2/9

15:40-21:30

1 stop5h 50m

Dublin

Mon 7/9

14:40-21:30

1 stop6h 50m

€86

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Sat 26/9

21:40-23:25

1 stop25h 45m

Dublin

Sat 3/10

06:30-14:15

1 stop7h 45m

€86

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Fri 25/9

17:05-23:59

1 stop6h 54m

Dublin

Fri 2/10

06:05-18:55

1 stop12h 50m

€87

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

Wed 2/9

15:40-21:30

1 stop5h 50m

Dublin

Mon 7/9

22:05-12:15

1 stop14h 10m

€88

LondonderryDublin

LDY Londonderry Eglinton - DUB Dublin

LDYDUB

Londonderry Eglinton

Wed 9/9

16:00-21:30

1 stop5h 30m

Dublin

Mon 21/9

06:20-14:30

1 stop8h 10m

€89

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 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?

British Airways is the most popular carrier 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 15m

Direct flights

None
The fastest flight from Northern Ireland to Dublin takes 5h 15m
There are no direct flights from Northern Ireland to Dublin. There are no popular flight routes from Northern Ireland to Dublin.
Search flight deals

Frequently asked questions about flying 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
Cavan
Wicklow
Dundalk
Swords
Gorey
Naas
Bray
Kildare
Tullamore
Mullingar
Leixlip
Maynooth
Castleknock
Malahide
Carlingford
Enniscorthy
Drogheda
Arklow

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.

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