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Cheap flights from Northern Ireland to Dublin from £38

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 27/6. 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
£74Multiple Airlines
Wed, 10 Jun - Tue, 30 Jun
Multiple Airlines Logo
12:45 - 20:30
BFS
-
DUB
7h 45m
1 stop
Multiple Airlines Logo
10:20 - 22:20
DUB
-
BFS
12h 00m
1 stop
£74Multiple Airlines
Thu, 18 Jun - Thu, 25 Jun
Multiple Airlines Logo
21:35 - 09:20
BFS
-
DUB
11h 45m
1 stop
Multiple Airlines Logo
20:35 - 10:00
DUB
-
BFS
13h 25m
1 stop
£75Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
Multiple Airlines Logo
07:30 - 12:30
BFS
-
DUB
5h 00m
1 stop
Multiple Airlines Logo
21:20 - 07:05
DUB
-
BFS
9h 45m
1 stop
£76Multiple Airlines
Wed, 20 May - Tue, 26 May
Multiple Airlines Logo
15:40 - 20:45
BFS
-
DUB
5h 05m
1 stop
Multiple Airlines Logo
10:05 - 15:15
DUB
-
BFS
5h 10m
1 stop
£76Multiple Airlines
Wed, 3 Jun - Wed, 10 Jun
Multiple Airlines Logo
07:35 - 16:25
BFS
-
DUB
8h 50m
1 stop
Multiple Airlines Logo
06:05 - 10:00
DUB
-
BFS
3h 55m
1 stop
£77Multiple Airlines
Tue, 2 Jun - Tue, 9 Jun
Multiple Airlines Logo
15:40 - 20:45
BFS
-
DUB
5h 05m
1 stop
Multiple Airlines Logo
06:30 - 15:15
DUB
-
BFS
8h 45m
1 stop
£79Multiple Airlines
Wed, 3 Jun - Wed, 10 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
£79Multiple Airlines
Sun, 14 Jun - Mon, 29 Jun
Multiple Airlines Logo
17:05 - 21:10
BFS
-
DUB
4h 05m
1 stop
Multiple Airlines Logo
06:55 - 15:20
DUB
-
BFS
8h 25m
1 stop
£79Multiple Airlines
Fri, 19 Jun - Mon, 22 Jun
Multiple Airlines Logo
12:45 - 18:10
BFS
-
DUB
5h 25m
1 stop
Multiple Airlines Logo
07:30 - 15:20
DUB
-
BFS
7h 50m
1 stop
£80Multiple Airlines
Thu, 4 Jun - Thu, 11 Jun

British Airways flights from Northern Ireland to Dublin

Our best British Airways deals on Northern Ireland to Dublin flight tickets
British Airways
28 May
BHD06:30Belfast City
11h 30m
1 stop
DUB18:00Dublin
31 May
DUB08:35Dublin
9h 40m
1 stop
BHD18:15Belfast City
£196
British Airways
30 May
BHD07:05Belfast City
10h 45m
1 stop
DUB17:50Dublin
3 Jun
DUB20:30Dublin
17h 05m
1 stop
BHD13:35Belfast City
£204
British Airways
28 May
BHD06:30Belfast City
11h 30m
1 stop
DUB18:00Dublin
31 May
DUB08:35Dublin
6h 30m
1 stop
BHD15:05Belfast City
£220

KLM flights from Northern Ireland to Dublin

Our best KLM deals on Northern Ireland to Dublin flight tickets
KLM
28 May
BHD17:30Belfast City
16h 55m
1 stop
DUB10:25Dublin
31 May
DUB17:20Dublin
16h 00m
1 stop
BHD09:20Belfast City
£710
KLM
19 Jun
BHD09:50Belfast City
12h 35m
1 stop
DUB22:25Dublin
22 Jun
DUB11:10Dublin
5h 45m
1 stop
BHD16:55Belfast City
£735

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 8 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

£74

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 18/6

12:45-20:30

1 stop7h 45m

Dublin

Thu 25/6

10:20-22:20

1 stop12h 00m

£74

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 1/6

21:35-09:20

1 stop11h 45m

Dublin

Mon 8/6

20:35-10:00

1 stop13h 25m

£75

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 20/5

07:30-12:30

1 stop5h 00m

Dublin

Tue 26/5

21:20-07:05

1 stop9h 45m

£76
Fastest return journey

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 3/6

15:40-20:45

1 stop5h 05m

Dublin

Wed 10/6

10:05-15:15

1 stop5h 10m

£76

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 2/6

07:35-16:25

1 stop8h 50m

Dublin

Tue 9/6

06:05-10:00

1 stop3h 55m

£77

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 3/6

15:40-20:45

1 stop5h 05m

Dublin

Wed 10/6

06:30-15:15

1 stop8h 45m

£79

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

£79

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 19/6

17:05-21:10

1 stop4h 05m

Dublin

Mon 22/6

06:55-15:20

1 stop8h 25m

£79

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 4/6

12:45-18:10

1 stop5h 25m

Dublin

Thu 11/6

07:30-15:20

1 stop7h 50m

£80

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 and KLM are the most popular carriers 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

5h 00m

Direct flights

None
The fastest flight from Northern Ireland to Dublin takes 5h 00m
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 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
Cavan
Swords
Dundalk
Athlone
Carlingford
Malahide
Bray
Wicklow
Mullingar
Kildare
Drogheda
Arklow
Enniscorthy
Gorey
Naas
Maynooth
Leixlip
Portmarnock
Thurles

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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