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Cheap flights from Northern Ireland to Ireland from €56

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 Ireland departing on 6/2. 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 Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
07:55 - 13:25
BFS
-
DUB
5h 30m1 stop
Multiple Airlines Logo
12:00 - 21:05
DUB
-
BFS
9h 05m1 stop
€92Multiple Airlines
Çar, 21 Oca - Cum, 23 Oca
Multiple Airlines Logo
08:00 - 21:25
LDY
-
DUB
13h 25m1 stop
Multiple Airlines Logo
18:15 - 07:05
DUB
-
LDY
12h 50m1 stop
€96Multiple Airlines
Cum, 13 Şub - Paz, 15 Şub
Multiple Airlines Logo
07:20 - 18:25
BFS
-
ORK
11h 05m1 stop
Multiple Airlines Logo
22:40 - 06:45
ORK
-
BFS
8h 05m1 stop
€96Multiple Airlines
Cmt, 28 Şub - Cmt, 7 Mar
Multiple Airlines Logo
14:30 - 21:35
BFS
-
DUB
7h 05m1 stop
Multiple Airlines Logo
06:30 - 10:30
DUB
-
BFS
4h 00m1 stop
€97Multiple Airlines
Cum, 6 Şub - Cum, 13 Şub
Multiple Airlines Logo
07:00 - 11:10
BFS
-
DUB
4h 10m1 stop
Multiple Airlines Logo
06:45 - 10:20
DUB
-
BFS
3h 35m1 stop
€99Multiple Airlines
Çar, 4 Şub - Çar, 11 Şub
British Airways Logo
13:45 - 19:35
BHD
-
DUB
5h 50m1 stop
British Airways Logo
10:30 - 15:20
DUB
-
BHD
4h 50m1 stop
€203British Airways
Sal, 21 Nis - Çar, 22 Nis
British Airways Logo
06:35 - 12:15
BHD
-
DUB
5h 40m1 stop
British Airways Logo
20:40 - 10:20
DUB
-
BHD
13h 40m1 stop
€252British Airways
Per, 12 Şub - Paz, 15 Şub
KLM Logo
17:20 - 08:05
BHD
-
DUB
14h 45m1 stop
KLM Logo
17:15 - 16:50
DUB
-
BHD
23h 35m1 stop
€278KLM
Cmt, 21 Şub - Paz, 22 Şub
Aer Lingus Logo
06:55 - 13:15
BHD
-
DUB
6h 20m1 stop
Aer Lingus Logo
06:30 - 21:10
DUB
-
BHD
14h 40m1 stop
€318Aer Lingus
Cmt, 21 Şub - Paz, 22 Şub
KLM Logo
06:30 - 15:00
BHD
-
ORK
8h 30m2 stops
KLM Logo
15:40 - 21:00
ORK
-
BHD
29h 20m2 stops
€487KLM
Cmt, 28 Şub - Cmt, 7 Mar

British Airways flights from Northern Ireland to Ireland

Our best British Airways deals on Northern Ireland to Ireland flight tickets
British Airways
21 Apr
BHD13:45Belfast City
5h 50m
1 stop
DUB19:35Dublin
22 Apr
DUB10:30Dublin
4h 50m
1 stop
BHD15:20Belfast City
€203
British Airways
12 Feb
BHD06:35Belfast City
5h 40m
1 stop
DUB12:15Dublin
15 Feb
DUB20:40Dublin
13h 40m
1 stop
BHD10:20Belfast City
€252
British Airways
21 Feb
BHD06:35Belfast City
7h 45m
1 stop
DUB14:20Dublin
22 Feb
DUB20:40Dublin
11h 45m
1 stop
BHD08:25Belfast City
€253

KLM flights from Northern Ireland to Ireland

Our best KLM deals on Northern Ireland to Ireland flight tickets
KLM
21 Feb
BHD17:20Belfast City
14h 45m
1 stop
DUB08:05Dublin
22 Feb
DUB17:15Dublin
23h 35m
1 stop
BHD16:50Belfast City
€278
KLM
16 Feb
LDY18:05Londonderry Eglinton
18h 35m
2 stops
DUB12:40Dublin
23 Feb
DUB05:55Dublin
15h 50m
2 stops
LDY21:45Londonderry Eglinton
€359
KLM
16 Feb
LDY14:00Londonderry Eglinton
8h 10m
2 stops
DUB22:10Dublin
23 Feb
DUB05:55Dublin
11h 40m
2 stops
LDY17:35Londonderry Eglinton
€373

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Ireland 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 9 Ocak 2026.
Use the filters below to find and compare flights from Northern Ireland to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Çar 21/1

07:55-13:25

1 stop5h 30m

Dublin

Cum 23/1

12:00-21:05

1 stop9h 05m

€92

LondonderryDublin

LDY - DUB

LDYDUB

Londonderry Eglinton

Cum 13/2

08:00-21:25

1 stop13h 25m

Dublin

Paz 15/2

18:15-07:05

1 stop12h 50m

€96

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Cmt 28/2

07:20-18:25

1 stop11h 05m

Cork

Cmt 7/3

22:40-06:45

1 stop8h 05m

€96

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Cum 6/2

14:30-21:35

1 stop7h 05m

Dublin

Cum 13/2

06:30-10:30

1 stop4h 00m

€97

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Çar 4/2

07:00-11:10

1 stop4h 10m

Dublin

Çar 11/2

06:45-10:20

1 stop3h 35m

€99

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sal 21/4

13:45-19:35

1 stop5h 50m

Dublin

Çar 22/4

10:30-15:20

1 stop4h 50m

€203

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Per 12/2

06:35-12:15

1 stop5h 40m

Dublin

Paz 15/2

20:40-10:20

1 stop13h 40m

€252

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Cmt 21/2

17:20-08:05

1 stop14h 45m

Dublin

Paz 22/2

17:15-16:50

1 stop23h 35m

€278

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Cmt 21/2

06:55-13:15

1 stop6h 20m

Dublin

Paz 22/2

06:30-21:10

1 stop14h 40m

€318

BelfastCork

BHD - ORK

BHDORK

Belfast City

Cmt 28/2

06:30-15:00

2 stops8h 30m

Cork

Cmt 7/3

15:40-21:00

2 stops29h 20m

€487

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 Ireland from

How to get the cheapest flight ticket from Northern Ireland to Ireland

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

How long is the flight from Northern Ireland to Ireland?

On average, it takes 4h 40m to fly from Northern Ireland to Ireland if you fly out of Belfast (the most popular airport in Northern Ireland) and into Dublin (the most popular airport in Ireland). If you’re flying out of Londonderry and into Dublin, then the flight time is around 4h 45m.

Cheap Northern Ireland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Ireland

Fastest flight time

3h 25m

Direct flights

None
The fastest flight from Northern Ireland to Ireland takes 3h 25m
There are no direct flights from Northern Ireland to Ireland. There are no popular flight routes from Northern Ireland to Ireland.
Search flight deals

  • When did momondo last update prices for flights from Northern Ireland to Ireland?

    Prices for flights from Northern Ireland to Ireland are updated daily.

  • How old do you have to be to fly from Northern Ireland to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Ireland?

It is quick and easy to find Northern Ireland to Ireland 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 Ireland that suits you.

Can I find flights from Northern Ireland to Ireland with flexible booking policies on momondo?

Yes. All flights to Ireland from Northern Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Northern Ireland to Ireland?

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 Ireland from Northern Ireland.

I’m not ready to book a flight from Northern Ireland to Ireland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Ireland, momondo offers a useful price alert feature which will track prices for flights to Ireland from Northern Ireland and alert you when they change.

An easier way to manage your Ireland trip

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Find better results for your trip to Ireland

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Popular flights according to clicks in the last 7 days on momondo
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