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Cheap flights from Northern Ireland to Dublin from £52

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 24/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Northern Ireland to Dublin

Cheap return flights

Logo
07:35 - 13:15BFS-DUB
5h 40m1 stop
Logo
15:30 - 19:40DUB-BFS
4h 10m1 stop
£105
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Wed, 10 Sep - Wed, 17 Sep
Logo
12:10 - 18:30BHD-DUB
6h 20m1 stop
Logo
06:50 - 11:40DUB-BHD
4h 50m1 stop
£105
Find Deal
Wed, 10 Sep - Wed, 17 Sep
Logo
12:20 - 21:30BFS-DUB
9h 10m1 stop
Logo
15:50 - 23:05DUB-BFS
7h 15m1 stop
£107
Find Deal
Thu, 18 Sep - Mon, 22 Sep
Logo
08:35 - 18:55BFS-DUB
10h 20m1 stop
Logo
15:15 - 22:35DUB-BFS
7h 20m1 stop
£108
Find Deal
Sat, 27 Sep - Sat, 4 Oct
Logo
08:10 - 15:20BFS-DUB
7h 10m1 stop
Logo
18:20 - 07:50DUB-BFS
13h 30m1 stop
£108
Find Deal
Mon, 8 Sep - Tue, 9 Sep
British Airways Logo
12:40 - 18:00BHD-DUB
5h 20m1 stop
British Airways Logo
11:05 - 17:40DUB-BHD
6h 35m1 stop
£175British Airways
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Thu, 2 Oct - Mon, 6 Oct
British Airways Logo
06:35 - 18:00BHD-DUB
11h 25m1 stop
British Airways Logo
20:55 - 08:50DUB-BHD
11h 55m1 stop
£178British Airways
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Thu, 2 Oct - Mon, 6 Oct
Aer Lingus Logo
15:20 - 21:45BHD-DUB
6h 25m1 stop
Aer Lingus Logo
10:10 - 17:40DUB-BHD
7h 30m1 stop
£180Aer Lingus
Find Deal
Thu, 2 Oct - Mon, 6 Oct
KLM Logo
17:25 - 08:20BHD-DUB
14h 55m1 stop
KLM Logo
20:45 - 16:55DUB-BHD
20h 10m1 stop
£219KLM
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Thu, 2 Oct - Mon, 6 Oct
KLM Logo
14:00 - 22:25LDY-DUB
8h 25m2 stops
KLM Logo
05:55 - 17:40DUB-LDY
11h 45m2 stops
£321KLM
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Thu, 18 Sep - Wed, 24 Sep

British Airways flights from Northern Ireland to Dublin

Our best British Airways deals on Northern Ireland to Dublin flight tickets
British Airways
2 Oct
BHD12:40Belfast City
5h 20m
1 stop
DUB18:00Dublin
6 Oct
DUB11:05Dublin
6h 35m
1 stop
BHD17:40Belfast City
£175
Find similar
British Airways
2 Oct
BHD06:35Belfast City
11h 25m
1 stop
DUB18:00Dublin
6 Oct
DUB20:55Dublin
11h 55m
1 stop
BHD08:50Belfast City
£178
Find similar
British Airways
18 Sept
LDY18:05Londonderry Eglinton
13h 40m
1 stop
DUB07:45Dublin
24 Sept
DUB10:55Dublin
6h 45m
1 stop
LDY17:40Londonderry Eglinton
£246
Find similar

Aer Lingus flights from Northern Ireland to Dublin

Our best Aer Lingus deals on Northern Ireland to Dublin flight tickets
Aer Lingus
2 Oct
BHD15:20Belfast City
6h 25m
1 stop
DUB21:45Dublin
6 Oct
DUB10:10Dublin
7h 30m
1 stop
BHD17:40Belfast City
£180
Find similar
Aer Lingus
17 Aug
BHD11:00Belfast City
11h 30m
1 stop
DUB22:30Dublin
19 Aug
DUB06:50Dublin
6h 55m
1 stop
BHD13:45Belfast City
£260
Find similar

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 15 August 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

Wed 10/9

07:35-13:15

1 stop5h 40m

Dublin

Wed 17/9

15:30-19:40

1 stop4h 10m

£105

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Wed 10/9

12:10-18:30

1 stop6h 20m

Dublin

Wed 17/9

06:50-11:40

1 stop4h 50m

£105

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 18/9

12:20-21:30

1 stop9h 10m

Dublin

Mon 22/9

15:50-23:05

1 stop7h 15m

£107

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 27/9

08:35-18:55

1 stop10h 20m

Dublin

Sat 4/10

15:15-22:35

1 stop7h 20m

£108

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 8/9

08:10-15:20

1 stop7h 10m

Dublin

Tue 9/9

18:20-07:50

1 stop13h 30m

£108

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

12:40-18:00

1 stop5h 20m

Dublin

Mon 6/10

11:05-17:40

1 stop6h 35m

£175

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

06:35-18:00

1 stop11h 25m

Dublin

Mon 6/10

20:55-08:50

1 stop11h 55m

£178

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

15:20-21:45

1 stop6h 25m

Dublin

Mon 6/10

10:10-17:40

1 stop7h 30m

£180

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 2/10

17:25-08:20

1 stop14h 55m

Dublin

Mon 6/10

20:45-16:55

1 stop20h 10m

£219

LondonderryDublin

LDY - DUB

LDYDUB

Londonderry Eglinton

Thu 18/9

14:00-22:25

2 stops8h 25m

Dublin

Wed 24/9

05:55-17:40

2 stops11h 45m

£321

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 time of day to depart on your flight to Dublin?

Flying to Dublin from Northern Ireland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as £135 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £155 on average. Flights to Dublin from Northern Ireland in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

Best price found

£52

Fastest flight time

3h 30m

Direct flights

None

Airports in Dublin

1 airport
The best one-way flight to Dublin from Northern Ireland in the past 72 hours is £52. The best return flight deal from Northern Ireland to Dublin found on momondo in the last 72 hours is £105.
The fastest flight from Northern Ireland to Dublin takes 3h 30m
There are no direct flights from Northern Ireland to Dublin. Popular non-direct routes for this connection are Belfast Intl Airport - Dublin Airport, Londonderry Eglinton Airport - Dublin Airport and Belfast City Airport - Dublin Airport.
There is 1 airport near Dublin: Dublin (DUB)
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  • 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
Swords
Kilkenny
Dundalk
Bray
Cavan
Athlone
Carlingford
Malahide
Kildare
Wicklow
Drogheda
Enniscorthy
Gorey
Mullingar
Arklow
Portmarnock
Naas
Tullamore
Leixlip
Maynooth

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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