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Cheap flights from Northern Ireland to Dublin from £43

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 23/10. 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
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
£70Multiple Airlines
ons, 9 sep - mån, 21 sep
Multiple Airlines Logo
18:50 - 00:05BFS  Belfast Intl-DUB Dublin
5h 15m1 stop London Stansted
Multiple Airlines Logo
21:10 - 10:00DUB  Dublin-BFS Belfast Intl
12h 50m1 stop Manchester
£71Multiple Airlines
mån, 7 sep - mån, 21 sep
Multiple Airlines Logo
18:50 - 00:05BFS  Belfast Intl-DUB Dublin
5h 15m1 stop London Stansted
Multiple Airlines Logo
21:10 - 10:00DUB  Dublin-BFS Belfast Intl
12h 50m1 stop Manchester
£72Multiple Airlines
mån, 7 sep - mån, 21 sep
Multiple Airlines Logo
07:35 - 16:25BFS  Belfast Intl-DUB Dublin
8h 50m1 stop Manchester
Multiple Airlines Logo
23:50 - 08:30DUB  Dublin-BFS Belfast Intl
8h 40m1 stop Manchester
£73Multiple Airlines
tis, 8 sep - tors, 10 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
£73Multiple Airlines
ons, 9 sep - mån, 21 sep
Multiple Airlines Logo
19:20 - 01:00BFS  Belfast Intl-DUB Dublin
5h 40m1 stop Edinburgh Turnhouse
Multiple Airlines Logo
07:55 - 15:05DUB  Dublin-BFS Belfast Intl
7h 10m1 stop Paris Beauvais-Tille
£74Multiple Airlines
fre, 4 sep - fre, 11 sep
Multiple Airlines Logo
08:40 - 14:55BFS  Belfast Intl-DUB Dublin
6h 15m1 stop Manchester
Multiple Airlines Logo
20:35 - 10:00DUB  Dublin-BFS Belfast Intl
13h 25m1 stop Manchester
£75Multiple Airlines
mån, 7 sep - mån, 21 sep
Multiple Airlines Logo
08:40 - 14:55BFS  Belfast Intl-DUB Dublin
6h 15m1 stop Manchester
Multiple Airlines Logo
09:00 - 18:25DUB  Dublin-BFS Belfast Intl
9h 25m1 stop Edinburgh Turnhouse
£76Multiple Airlines
mån, 7 sep - mån, 14 sep
Multiple Airlines Logo
14:50 - 23:20BFS  Belfast Intl-DUB Dublin
8h 30m1 stop London Stansted
Multiple Airlines Logo
07:30 - 22:20DUB  Dublin-BFS Belfast Intl
14h 50m1 stop Manchester
£77Multiple Airlines
tors, 24 sep - tors, 1 okt
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
£78Multiple Airlines
ons, 9 sep - mån, 21 sep

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British Airways flights from Northern Ireland to Dublin

Our best British Airways deals on Northern Ireland to Dublin flight tickets
British Airways
1 Oct
BHD14:20Belfast City
5h 10m
1 stop
DUB19:30Dublin
5 Oct
DUB10:30Dublin
7h 10m
1 stop
BHD17:40Belfast City
£170
British Airways
12 Oct
BHD06:30Belfast City
13h 05m
1 stop
DUB19:35Dublin
14 Oct
DUB19:45Dublin
13h 05m
1 stop
BHD08:50Belfast City
£184
British Airways
12 Oct
BHD11:35Belfast City
22h 05m
1 stop
DUB09:40Dublin
14 Oct
DUB10:30Dublin
8h 25m
1 stop
BHD18:55Belfast City
£184

KLM flights from Northern Ireland to Dublin

Our best KLM deals on Northern Ireland to Dublin flight tickets
KLM
17 Sept
LDY06:30Londonderry Eglinton
15h 55m
2 stops
DUB22:25Dublin
23 Sept
DUB13:25Dublin
8h 20m
2 stops
LDY21:45Londonderry Eglinton
£367
KLM
17 Sept
LDY06:30Londonderry Eglinton
15h 55m
2 stops
DUB22:25Dublin
23 Sept
DUB13:25Dublin
8h 20m
2 stops
LDY21:45Londonderry Eglinton
£368

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 279,928 searches. Data last updated 12 augusti 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

LondonderryDublin

LDY Londonderry Eglinton - DUB Dublin

LDYDUB

Londonderry Eglinton

ons 9/9

16:00-21:30

1 stop5h 30m

Dublin

mån 21/9

06:20-14:30

1 stop8h 10m

£70

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

mån 7/9

18:50-00:05

1 stop5h 15m

Dublin

mån 21/9

21:10-10:00

1 stop12h 50m

£71

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

mån 7/9

18:50-00:05

1 stop5h 15m

Dublin

mån 21/9

21:10-10:00

1 stop12h 50m

£72

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

tis 8/9

07:35-16:25

1 stop8h 50m

Dublin

tors 10/9

23:50-08:30

1 stop8h 40m

£73

LondonderryDublin

LDY Londonderry Eglinton - DUB Dublin

LDYDUB

Londonderry Eglinton

ons 9/9

16:00-21:30

1 stop5h 30m

Dublin

mån 21/9

06:20-14:30

1 stop8h 10m

£73
Fastest return journey

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

fre 4/9

19:20-01:00

1 stop5h 40m

Dublin

fre 11/9

07:55-15:05

1 stop7h 10m

£74

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

mån 7/9

08:40-14:55

1 stop6h 15m

Dublin

mån 21/9

20:35-10:00

1 stop13h 25m

£75

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

mån 7/9

08:40-14:55

1 stop6h 15m

Dublin

mån 14/9

09:00-18:25

1 stop9h 25m

£76

BelfastDublin

BFS Belfast Intl - DUB Dublin

BFSDUB

Belfast Intl

tors 24/9

14:50-23:20

1 stop8h 30m

Dublin

tors 1/10

07:30-22:20

1 stop14h 50m

£77

LondonderryDublin

LDY Londonderry Eglinton - DUB Dublin

LDYDUB

Londonderry Eglinton

ons 9/9

16:00-21:30

1 stop5h 30m

Dublin

mån 21/9

06:20-14:30

1 stop8h 10m

£78

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 and KLM 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

4h 40m

Direct flights

None
The fastest flight from Northern Ireland to Dublin takes 4h 40m
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 were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 license 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
Cavan
Swords
Dundalk
Kilkenny
Athlone
Carlingford
Malahide
Wicklow
Drogheda
Bray
Mullingar
Kildare
Enniscorthy
Arklow
Tullamore
Naas
Gorey
Maynooth
Leixlip
Castleknock

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Northern Ireland to Dublin . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Dublin from Northern Ireland which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Dublin from Northern Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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