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Cheap flights from Northern Ireland to Ireland from £43

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 24/2. 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
07:50 - 17:25
BFS
-
DUB
9h 35m1 stop
Multiple Airlines Logo
06:15 - 16:10
DUB
-
BFS
9h 55m1 stop
£84Multiple Airlines
Mon, 16 Feb - Thu, 19 Feb
Multiple Airlines Logo
14:30 - 23:05
BFS
-
DUB
8h 35m1 stop
Multiple Airlines Logo
06:45 - 10:30
DUB
-
BFS
3h 45m1 stop
£87Multiple Airlines
Fri, 6 Feb - Fri, 13 Feb
Multiple Airlines Logo
18:00 - 23:05
BFS
-
DUB
5h 05m1 stop
Multiple Airlines Logo
18:45 - 22:45
DUB
-
BFS
4h 00m1 stop
£87Multiple Airlines
Fri, 30 Jan - Sat, 31 Jan
Multiple Airlines Logo
08:20 - 18:30
BFS
-
SNN
10h 10m1 stop
Multiple Airlines Logo
14:20 - 18:50
SNN
-
BFS
4h 30m1 stop
£88Multiple Airlines
Wed, 25 Feb - Wed, 4 Mar
Multiple Airlines Logo
08:50 - 19:25
BFS
-
ORK
10h 35m1 stop
Multiple Airlines Logo
18:50 - 08:10
ORK
-
BFS
13h 20m1 stop
£88Multiple Airlines
Sat, 28 Feb - Sat, 7 Mar
Ryanair Logo
06:30 - 15:00
BFS
-
ORK
8h 30m1 stop
Ryanair Logo
15:25 - 10:20
ORK
-
BFS
18h 55m1 stop
£106Ryanair
Tue, 24 Feb - Tue, 3 Mar
British Airways Logo
11:35 - 19:50
BHD
-
DUB
8h 15m1 stop
British Airways Logo
10:45 - 18:40
DUB
-
BHD
7h 55m1 stop
£171British Airways
Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
09:40 - 18:40
BHD
-
DUB
9h 00m1 stop
British Airways Logo
10:30 - 15:20
DUB
-
BHD
4h 50m1 stop
£175British Airways
Tue, 21 Apr - Wed, 22 Apr
KLM Logo
17:20 - 23:25
BHD
-
ORK
6h 05m1 stop
KLM Logo
17:15 - 16:50
ORK
-
BHD
23h 35m1 stop
£251KLM
Sat, 28 Feb - Sat, 7 Mar
Loganair Logo
11:15 - 20:15
BHD
-
DUB
9h 00m3 stops
Loganair Logo
20:45 - 11:30
DUB
-
BHD
14h 45m1 stop
£581Loganair
Sun, 7 Jun - Sun, 14 Jun

British Airways flights from Northern Ireland to Ireland

Our best British Airways deals on Northern Ireland to Ireland flight tickets
British Airways
7 Mar
BHD11:35Belfast City
8h 15m
1 stop
DUB19:50Dublin
9 Mar
DUB10:45Dublin
7h 55m
1 stop
BHD18:40Belfast City
£171
British Airways
21 Apr
BHD13:45Belfast City
5h 50m
1 stop
DUB19:35Dublin
22 Apr
DUB10:30Dublin
4h 50m
1 stop
BHD15:20Belfast City
£175
British Airways
24 Feb
LDY14:00Londonderry Eglinton
5h 40m
1 stop
DUB19:40Dublin
3 Mar
DUB10:55Dublin
6h 40m
1 stop
LDY17:35Londonderry Eglinton
£227

KLM flights from Northern Ireland to Ireland

Our best KLM deals on Northern Ireland to Ireland flight tickets
KLM
28 Feb
BHD17:20Belfast City
6h 05m
1 stop
ORK23:25Cork
7 Mar
ORK17:15Cork
23h 35m
1 stop
BHD16:50Belfast City
£251
KLM
24 Feb
LDY14:00Londonderry Eglinton
8h 10m
2 stops
DUB22:10Dublin
3 Mar
DUB05:55Dublin
15h 50m
2 stops
LDY21:45Londonderry Eglinton
£289
KLM
28 Feb
BHD06:30Belfast City
8h 30m
2 stops
ORK15:00Cork
7 Mar
ORK17:15Cork
23h 35m
1 stop
BHD16:50Belfast City
£296

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 279,928 searches. Data last updated 12 January 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

Mon 16/2

07:50-17:25

1 stop9h 35m

Dublin

Thu 19/2

06:15-16:10

1 stop9h 55m

£84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 6/2

14:30-23:05

1 stop8h 35m

Dublin

Fri 13/2

06:45-10:30

1 stop3h 45m

£87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 30/1

18:00-23:05

1 stop5h 05m

Dublin

Sat 31/1

18:45-22:45

1 stop4h 00m

£87

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Wed 25/2

08:20-18:30

1 stop10h 10m

Shannon

Wed 4/3

14:20-18:50

1 stop4h 30m

£88

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 28/2

08:50-19:25

1 stop10h 35m

Cork

Sat 7/3

18:50-08:10

1 stop13h 20m

£88

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 24/2

06:30-15:00

1 stop8h 30m

Cork

Tue 3/3

15:25-10:20

1 stop18h 55m

£106

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

11:35-19:50

1 stop8h 15m

Dublin

Mon 9/3

10:45-18:40

1 stop7h 55m

£171

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Tue 21/4

09:40-18:40

1 stop9h 00m

Dublin

Wed 22/4

10:30-15:20

1 stop4h 50m

£175

BelfastCork

BHD - ORK

BHDORK

Belfast City

Sat 28/2

17:20-23:25

1 stop6h 05m

Cork

Sat 7/3

17:15-16:50

1 stop23h 35m

£251

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sun 7/6

11:15-20:15

3 stops9h 00m

Dublin

Sun 14/6

20:45-11:30

1 stop14h 45m

£581

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 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

What is the cheapest airline that flies from Northern Ireland to Ireland?

Ryanair is the most popular carrier operating from Northern Ireland to Ireland

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

4h 15m

Direct flights

None
The fastest flight from Northern Ireland to Ireland takes 4h 15m
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 were last updated today.

  • 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 layovers. 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 license 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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Northern Ireland to Ireland . Millions of users trust and use momondo every year so you are in good hands.

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?

momondo provides multiple filters to help you find the best flight to Ireland 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 Ireland right now. Can momondo alert me if prices change?

Price alerts on flights to Ireland from Northern Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Ireland

Popular Cities in Ireland

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