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Cheap flights from Northern Ireland to Dublin from €45

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 23/7. 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
15:40 - 20:45
BFS
-
DUB
5h 05m
1 stop
Multiple Airlines Logo
20:30 - 08:05
DUB
-
BFS
11h 35m
1 stop
€85Multiple Airlines
Wed, 10 Jun - Tue, 30 Jun
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
Multiple Airlines Logo
20:30 - 08:05
DUB
-
BFS
11h 35m
1 stop
€87Multiple Airlines
Wed, 10 Jun - Tue, 30 Jun
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
Multiple Airlines Logo
20:30 - 08:05
DUB
-
BFS
11h 35m
1 stop
€89Multiple Airlines
Wed, 10 Jun - Tue, 30 Jun
Multiple Airlines Logo
08:40 - 14:55
BFS
-
DUB
6h 15m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
€89Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
08:40 - 17:05
BFS
-
DUB
8h 25m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
€90Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
15:40 - 20:45
BFS
-
DUB
5h 05m
1 stop
Multiple Airlines Logo
20:30 - 08:05
DUB
-
BFS
11h 35m
1 stop
€91Multiple Airlines
Wed, 10 Jun - Tue, 30 Jun
Multiple Airlines Logo
17:25 - 23:25
LDY
-
DUB
6h 00m
1 stop
Multiple Airlines Logo
06:20 - 14:30
DUB
-
LDY
8h 10m
1 stop
€91Multiple Airlines
Sun, 14 Jun - Mon, 29 Jun
Multiple Airlines Logo
08:55 - 16:00
BFS
-
DUB
7h 05m
1 stop
Multiple Airlines Logo
07:40 - 19:30
DUB
-
BFS
11h 50m
1 stop
€92Multiple Airlines
Fri, 5 Jun - Fri, 12 Jun
Multiple Airlines Logo
21:40 - 09:10
BFS
-
DUB
11h 30m
1 stop
Multiple Airlines Logo
12:15 - 21:15
DUB
-
BFS
9h 00m
1 stop
€93Multiple Airlines
Sat, 6 Jun - Sat, 13 Jun
Multiple Airlines Logo
23:30 - 08:25
BFS
-
DUB
8h 55m
1 stop
Multiple Airlines Logo
09:00 - 18:25
DUB
-
BFS
9h 25m
1 stop
€94Multiple Airlines
Tue, 26 May - Mon, 1 Jun

British Airways flights from Northern Ireland to Dublin

Our best British Airways deals on Northern Ireland to Dublin flight tickets
British Airways
30 May
BHD07:05Belfast City
10h 45m
1 stop
DUB17:50Dublin
3 Jun
DUB20:30Dublin
17h 05m
1 stop
BHD13:35Belfast City
€236
British Airways
30 May
BHD07:05Belfast City
12h 20m
1 stop
DUB19:25Dublin
3 Jun
DUB20:30Dublin
17h 05m
1 stop
BHD13:35Belfast City
€237
British Airways
30 May
BHD07:05Belfast City
10h 45m
1 stop
DUB17:50Dublin
3 Jun
DUB20:30Dublin
12h 20m
1 stop
BHD08:50Belfast City
€242

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 13 May 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

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 10/6

15:40-20:45

1 stop5h 05m

Dublin

Tue 30/6

20:30-08:05

1 stop11h 35m

€85

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 10/6

07:30-12:30

1 stop5h 00m

Dublin

Tue 30/6

20:30-08:05

1 stop11h 35m

€87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 10/6

07:30-12:30

1 stop5h 00m

Dublin

Tue 30/6

20:30-08:05

1 stop11h 35m

€89

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 8/6

08:40-14:55

1 stop6h 15m

Dublin

Mon 15/6

20:35-10:00

1 stop13h 25m

€89

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 8/6

08:40-17:05

1 stop8h 25m

Dublin

Mon 15/6

20:35-10:00

1 stop13h 25m

€90

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 10/6

15:40-20:45

1 stop5h 05m

Dublin

Tue 30/6

20:30-08:05

1 stop11h 35m

€91
Fastest return journey

LondonderryDublin

LDY - DUB

LDYDUB

Londonderry Eglinton

Sun 14/6

17:25-23:25

1 stop6h 00m

Dublin

Mon 29/6

06:20-14:30

1 stop8h 10m

€91

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 5/6

08:55-16:00

1 stop7h 05m

Dublin

Fri 12/6

07:40-19:30

1 stop11h 50m

€92

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 6/6

21:40-09:10

1 stop11h 30m

Dublin

Sat 13/6

12:15-21:15

1 stop9h 00m

€93

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 26/5

23:30-08:25

1 stop8h 55m

Dublin

Mon 1/6

09:00-18:25

1 stop9h 25m

€94

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 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

4h 30m

Direct flights

None
The fastest flight from Northern Ireland to Dublin takes 4h 30m
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 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
Cavan
Wicklow
Dundalk
Naas
Kildare
Tullamore
Gorey
Swords
Bray
Leixlip
Mullingar
Malahide
Maynooth
Castleknock
Carlingford
Enniscorthy
Arklow
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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