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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 2/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Northern Ireland to Dublin

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:10 - 09:20BFS-DUB
13h 10m1 stop
Multiple Airlines Logo
21:40 - 09:05DUB-BFS
11h 25m1 stop
£82Multiple Airlines
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Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
14:45 - 19:10BFS-DUB
4h 25m1 stop
Multiple Airlines Logo
19:40 - 09:20DUB-BFS
13h 40m1 stop
£83Multiple Airlines
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Thu, 8 Jan - Wed, 14 Jan
Multiple Airlines Logo
07:05 - 19:00BFS-DUB
11h 55m1 stop
Multiple Airlines Logo
10:05 - 16:10DUB-BFS
6h 05m1 stop
£84Multiple Airlines
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Thu, 8 Jan - Thu, 15 Jan
Multiple Airlines Logo
14:00 - 23:45BFS-DUB
9h 45m1 stop
Multiple Airlines Logo
06:20 - 14:55DUB-BFS
8h 35m1 stop
£85Multiple 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
£86Multiple Airlines
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Thu, 22 Jan - Fri, 23 Jan
Multiple Airlines Logo
18:55 - 07:50BFS-DUB
12h 55m1 stop
Multiple Airlines Logo
06:55 - 13:30DUB-BFS
6h 35m1 stop
£88Multiple Airlines
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Thu, 15 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
£133Aer Lingus
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Fri, 26 Dec - Fri, 2 Jan
British Airways Logo
06:35 - 12:15BHD-DUB
5h 40m1 stop
British Airways Logo
10:45 - 16:45DUB-BHD
6h 00m1 stop
£176British Airways
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Thu, 15 Jan - Sun, 18 Jan
British Airways Logo
06:35 - 15:05BHD-DUB
8h 30m1 stop
British Airways Logo
17:55 - 07:40DUB-BHD
13h 45m1 stop
£177British Airways
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Sat, 17 Jan - Mon, 19 Jan
KLM Logo
17:20 - 22:10BHD-DUB
4h 50m1 stop
KLM Logo
05:55 - 16:50DUB-BHD
10h 55m1 stop
£209KLM
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Thu, 15 Jan - Mon, 19 Jan

British Airways flights from Northern Ireland to Dublin

Our best British Airways deals on Northern Ireland to Dublin flight tickets
British Airways
15 Jan
BHD06:35Belfast City
5h 40m
1 stop
DUB12:15Dublin
18 Jan
DUB10:45Dublin
6h 00m
1 stop
BHD16:45Belfast City
£176
Find similar
British Airways
17 Jan
BHD06:35Belfast City
8h 30m
1 stop
DUB15:05Dublin
19 Jan
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City
£177
Find similar
British Airways
8 Jan
LDY06:30Londonderry Eglinton
5h 45m
1 stop
DUB12:15Dublin
14 Jan
DUB20:40Dublin
13h 35m
1 stop
LDY10:15Londonderry Eglinton
£225
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KLM flights from Northern Ireland to Dublin

Our best KLM deals on Northern Ireland to Dublin flight tickets
KLM
15 Jan
BHD17:20Belfast City
4h 50m
1 stop
DUB22:10Dublin
19 Jan
DUB05:55Dublin
10h 55m
1 stop
BHD16:50Belfast City
£209
Find similar
KLM
8 Jan
LDY06:30Londonderry Eglinton
9h 50m
2 stops
DUB16:20Dublin
14 Jan
DUB05:55Dublin
11h 40m
2 stops
LDY17:35Londonderry Eglinton
£286
Find similar
KLM
8 Jan
LDY06:30Londonderry Eglinton
9h 50m
2 stops
DUB16:20Dublin
15 Jan
DUB17:15Dublin
41h 00m
2 stops
LDY10:15Londonderry Eglinton
£328
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 27 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

Thu 15/1

20:10-09:20

1 stop13h 10m

Dublin

Mon 19/1

21:40-09:05

1 stop11h 25m

£82

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 8/1

14:45-19:10

1 stop4h 25m

Dublin

Wed 14/1

19:40-09:20

1 stop13h 40m

£83

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 8/1

07:05-19:00

1 stop11h 55m

Dublin

Thu 15/1

10:05-16:10

1 stop6h 05m

£84

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

£85

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

£86

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 15/1

18:55-07:50

1 stop12h 55m

Dublin

Sun 18/1

06:55-13:30

1 stop6h 35m

£88

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

£133

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

06:35-12:15

1 stop5h 40m

Dublin

Sun 18/1

10:45-16:45

1 stop6h 00m

£176

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 17/1

06:35-15:05

1 stop8h 30m

Dublin

Mon 19/1

17:55-07:40

1 stop13h 45m

£177

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 15/1

17:20-22:10

1 stop4h 50m

Dublin

Mon 19/1

05:55-16:50

1 stop10h 55m

£209

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 £139 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 £159 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

Fastest flight time

3h 39m

Direct flights

None
The fastest flight from Northern Ireland to Dublin takes 3h 39m
There are no direct flights from Northern Ireland to Dublin. There are no popular flight routes from Northern Ireland to Dublin.
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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
Kilkenny
Swords
Cavan
Dundalk
Athlone
Bray
Carlingford
Malahide
Kildare
Mullingar
Drogheda
Wicklow
Enniscorthy
Gorey
Arklow
Naas
Leixlip
Maynooth
Tullamore
Portmarnock

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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