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Cheap flights from Northern Ireland to Dublin from £57

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 21/10. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:50 - 17:20BFS-DUB
5h 30m1 stop
Multiple Airlines Logo
06:40 - 20:45DUB-BFS
14h 05m1 stop
£92Multiple Airlines
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Thu, 4 Dec - Mon, 8 Dec
Multiple Airlines Logo
08:50 - 18:45BFS-DUB
9h 55m1 stop
Multiple Airlines Logo
18:10 - 22:35DUB-BFS
4h 25m1 stop
£99Multiple Airlines
Find Deal
Wed, 5 Nov - Wed, 12 Nov
Multiple Airlines Logo
07:00 - 11:10BFS-DUB
4h 10m1 stop
Multiple Airlines Logo
18:10 - 22:35DUB-BFS
4h 25m1 stop
£100Multiple Airlines
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Wed, 5 Nov - Wed, 12 Nov
Aer Lingus Logo
10:20 - 17:20BHD-DUB
7h 00m1 stop
Aer Lingus Logo
07:20 - 20:55DUB-BHD
13h 35m1 stop
£143Aer Lingus
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Thu, 4 Dec - Mon, 8 Dec
Aer Lingus Logo
06:50 - 12:55BHD-DUB
6h 05m1 stop
Aer Lingus Logo
11:45 - 18:25DUB-BHD
6h 40m1 stop
£159Aer Lingus
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Sat, 1 Nov - Mon, 3 Nov
British Airways Logo
06:35 - 17:00BHD-DUB
10h 25m1 stop
British Airways Logo
10:45 - 18:40DUB-BHD
7h 55m1 stop
£169British Airways
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Thu, 4 Dec - Mon, 8 Dec
British Airways Logo
15:05 - 19:50BHD-DUB
4h 45m1 stop
British Airways Logo
17:55 - 07:40DUB-BHD
13h 45m1 stop
£170British Airways
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Sat, 7 Mar - Mon, 9 Mar
KLM Logo
06:30 - 16:20BHD-DUB
9h 50m1 stop
KLM Logo
13:25 - 21:00DUB-BHD
7h 35m1 stop
£282KLM
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Sat, 1 Nov - Mon, 3 Nov
KLM Logo
06:30 - 22:10LDY-DUB
15h 40m2 stops
KLM Logo
08:50 - 17:35DUB-LDY
8h 45m2 stops
£290KLM
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Sat, 15 Nov - Sat, 22 Nov
Loganair Logo
19:45 - 11:25BHD-DUB
15h 40m1 stop
Loganair Logo
20:45 - 13:00DUB-BHD
16h 15m3 stops
£739Loganair
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Sun, 26 Oct - Sun, 2 Nov

British Airways flights from Northern Ireland to Dublin

Our best British Airways deals on Northern Ireland to Dublin flight tickets
British Airways
4 Dec
BHD06:35Belfast City
10h 25m
1 stop
DUB17:00Dublin
8 Dec
DUB10:45Dublin
7h 55m
1 stop
BHD18:40Belfast City
£169
Find similar
British Airways
7 Mar
BHD15:05Belfast City
4h 45m
1 stop
DUB19:50Dublin
9 Mar
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City
£170
Find similar
British Airways
7 Mar
BHD11:35Belfast City
8h 15m
1 stop
DUB19:50Dublin
9 Mar
DUB17:55Dublin
13h 45m
1 stop
BHD07:40Belfast City
£171
Find similar

KLM flights from Northern Ireland to Dublin

Our best KLM deals on Northern Ireland to Dublin flight tickets
KLM
1 Nov
BHD06:30Belfast City
9h 50m
1 stop
DUB16:20Dublin
3 Nov
DUB13:25Dublin
7h 35m
1 stop
BHD21:00Belfast City
£282
Find similar
KLM
15 Nov
LDY06:30Londonderry Eglinton
15h 40m
2 stops
DUB22:10Dublin
22 Nov
DUB08:50Dublin
8h 45m
2 stops
LDY17:35Londonderry Eglinton
£290
Find similar
KLM
6 Mar
LDY14:00Londonderry Eglinton
8h 10m
2 stops
DUB22:10Dublin
8 Mar
DUB05:55Dublin
11h 45m
2 stops
LDY17:40Londonderry Eglinton
£329
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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 10 October 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 4/12

11:50-17:20

1 stop5h 30m

Dublin

Mon 8/12

06:40-20:45

1 stop14h 05m

£92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 5/11

08:50-18:45

1 stop9h 55m

Dublin

Wed 12/11

18:10-22:35

1 stop4h 25m

£99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 5/11

07:00-11:10

1 stop4h 10m

Dublin

Wed 12/11

18:10-22:35

1 stop4h 25m

£100

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 4/12

10:20-17:20

1 stop7h 00m

Dublin

Mon 8/12

07:20-20:55

1 stop13h 35m

£143

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 1/11

06:50-12:55

1 stop6h 05m

Dublin

Mon 3/11

11:45-18:25

1 stop6h 40m

£159

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 4/12

06:35-17:00

1 stop10h 25m

Dublin

Mon 8/12

10:45-18:40

1 stop7h 55m

£169

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

15:05-19:50

1 stop4h 45m

Dublin

Mon 9/3

17:55-07:40

1 stop13h 45m

£170

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 1/11

06:30-16:20

1 stop9h 50m

Dublin

Mon 3/11

13:25-21:00

1 stop7h 35m

£282

LondonderryDublin

LDY - DUB

LDYDUB

Londonderry Eglinton

Sat 15/11

06:30-22:10

2 stops15h 40m

Dublin

Sat 22/11

08:50-17:35

2 stops8h 45m

£290

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sun 26/10

19:45-11:25

1 stop15h 40m

Dublin

Sun 2/11

20:45-13:00

3 stops16h 15m

£739

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 £138 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 £158 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

Direct flights

None
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
Dundalk
Cavan
Bray
Athlone
Carlingford
Malahide
Kildare
Drogheda
Wicklow
Mullingar
Gorey
Enniscorthy
Arklow
Naas
Portmarnock
Leixlip
Tullamore
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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