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Cheap flights from Northern Ireland to Dublin from €46

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 24/4. 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
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
19:20 - 01:00
BFS
-
DUB
5h 40m
1 stop
Multiple Airlines Logo
22:05 - 12:20
DUB
-
BFS
14h 15m
1 stop
€86Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
18:20 - 07:50
BFS
-
DUB
13h 30m
1 stop
Multiple Airlines Logo
06:15 - 19:15
DUB
-
BFS
13h 00m
1 stop
€87Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
09:40 - 01:00
BFS
-
DUB
15h 20m
1 stop
Multiple Airlines Logo
22:05 - 12:20
DUB
-
BFS
14h 15m
1 stop
€88Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
Multiple Airlines Logo
16:15 - 23:20
DUB
-
BFS
7h 05m
1 stop
€89Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Multiple Airlines Logo
10:45 - 00:10
BFS
-
DUB
13h 25m
1 stop
Multiple Airlines Logo
06:30 - 12:20
DUB
-
BFS
5h 50m
1 stop
€93Multiple Airlines
Tue, 14 Apr - Tue, 21 Apr
Multiple Airlines Logo
09:15 - 17:30
BFS
-
DUB
8h 15m
1 stop
Multiple Airlines Logo
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
€94Multiple Airlines
Tue, 31 Mar - Tue, 7 Apr
Multiple Airlines Logo
17:05 - 20:30
BFS
-
DUB
3h 25m
1 stop
Multiple Airlines Logo
14:35 - 21:30
DUB
-
BFS
6h 55m
1 stop
€96Multiple Airlines
Fri, 17 Apr - Mon, 20 Apr
Multiple Airlines Logo
18:20 - 00:55
BFS
-
DUB
6h 35m
1 stop
Multiple Airlines Logo
05:50 - 09:10
DUB
-
BFS
3h 20m
1 stop
€98Multiple Airlines
Thu, 16 Apr - Mon, 20 Apr
Multiple Airlines Logo
07:35 - 16:40
BFS
-
DUB
9h 05m
1 stop
Multiple Airlines Logo
14:35 - 19:50
DUB
-
BFS
5h 15m
1 stop
€99Multiple Airlines
Wed, 1 Apr - Wed, 8 Apr
Multiple Airlines Logo
06:40 - 11:45
BFS
-
DUB
5h 05m
1 stop
Multiple Airlines Logo
16:15 - 21:00
DUB
-
BFS
4h 45m
1 stop
€102Multiple Airlines
Thu, 16 Apr - Thu, 16 Apr

British Airways flights from Northern Ireland to Dublin

Our best British Airways deals on Northern Ireland to Dublin flight tickets
British Airways
16 Apr
BHD06:30Belfast City
11h 30m
1 stop
DUB18:00Dublin
20 Apr
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€203
British Airways
16 Apr
BHD06:30Belfast City
11h 30m
1 stop
DUB18:00Dublin
20 Apr
DUB20:30Dublin
11h 05m
1 stop
BHD07:35Belfast City
€204
British Airways
2 Jun
BHD13:45Belfast City
5h 50m
1 stop
DUB19:35Dublin
3 Jun
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€205

KLM flights from Northern Ireland to Dublin

Our best KLM deals on Northern Ireland to Dublin flight tickets
KLM
17 Apr
BHD17:30Belfast City
14h 50m
1 stop
DUB08:20Dublin
20 Apr
DUB13:25Dublin
19h 55m
1 stop
BHD09:20Belfast City
€323
KLM
18 Apr
LDY06:30Londonderry Eglinton
15h 55m
2 stops
DUB22:25Dublin
25 Apr
DUB11:10Dublin
25h 40m
2 stops
LDY12:50Londonderry Eglinton
€380
KLM
9 Apr
LDY06:30Londonderry Eglinton
15h 55m
2 stops
DUB22:25Dublin
15 Apr
DUB08:55Dublin
8h 45m
2 stops
LDY17:40Londonderry Eglinton
€441

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 5 March 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

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 17/4

19:20-01:00

1 stop5h 40m

Dublin

Mon 20/4

22:05-12:20

1 stop14h 15m

€86

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 16/4

18:20-07:50

1 stop13h 30m

Dublin

Thu 23/4

06:15-19:15

1 stop13h 00m

€87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 17/4

09:40-01:00

1 stop15h 20m

Dublin

Mon 20/4

22:05-12:20

1 stop14h 15m

€88

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 15/4

07:30-12:30

1 stop5h 00m

Dublin

Wed 22/4

16:15-23:20

1 stop7h 05m

€89

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 14/4

10:45-00:10

1 stop13h 25m

Dublin

Tue 21/4

06:30-12:20

1 stop5h 50m

€93

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 31/3

09:15-17:30

1 stop8h 15m

Dublin

Tue 7/4

21:20-07:05

1 stop9h 45m

€94

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 17/4

17:05-20:30

1 stop3h 25m

Dublin

Mon 20/4

14:35-21:30

1 stop6h 55m

€96

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 16/4

18:20-00:55

1 stop6h 35m

Dublin

Mon 20/4

05:50-09:10

1 stop3h 20m

€98

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 1/4

07:35-16:40

1 stop9h 05m

Dublin

Wed 8/4

14:35-19:50

1 stop5h 15m

€99

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 16/4

06:40-11:45

1 stop5h 05m

Dublin

Thu 16/4

16:15-21:00

1 stop4h 45m

€102

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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

3h 45m

Direct flights

None
The fastest flight from Northern Ireland to Dublin takes 3h 45m
There are no direct flights from Northern Ireland to Dublin. There are no popular flight routes from Northern Ireland to Dublin.
Search flight deals

  • 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
Wicklow
Cavan
Naas
Tullamore
Dundalk
Kildare
Swords
Bray
Gorey
Mullingar
Maynooth
Malahide
Enniscorthy
Carlingford
Leixlip
Arklow
Castleknock
Drogheda

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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