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Cheap flights from Ireland to Northern Ireland from €55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Northern Ireland departing on 27/1. 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 Ireland to Northern Ireland

Recent return flight deals from Ireland to Northern Ireland

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:00 - 21:05
DUB
-
BFS
9h 05m1 stop
Multiple Airlines Logo
14:30 - 23:05
BFS
-
DUB
8h 35m1 stop
€94Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
22:00 - 08:50
DUB
-
BFS
10h 50m1 stop
Multiple Airlines Logo
18:50 - 23:05
BFS
-
DUB
4h 15m1 stop
€96Multiple Airlines
Fri, 20 Feb - Mon, 23 Feb
Multiple Airlines Logo
12:00 - 21:05
DUB
-
BFS
9h 05m1 stop
Multiple Airlines Logo
14:30 - 23:05
BFS
-
DUB
8h 35m1 stop
€98Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
KLM Logo
15:40 - 21:00
ORK
-
BHD
29h 20m2 stops
KLM Logo
17:20 - 10:45
BHD
-
ORK
17h 25m1 stop
€250KLM
Thu, 12 Mar - Thu, 19 Mar
KLM Logo
15:40 - 16:50
ORK
-
BHD
25h 10m2 stops
KLM Logo
17:20 - 23:25
BHD
-
ORK
6h 05m1 stop
€276KLM
Sun, 8 Feb - Sun, 15 Feb
British Airways Logo
17:35 - 10:20
ORK
-
BHD
16h 45m1 stop
British Airways Logo
06:30 - 11:10
BHD
-
ORK
4h 40m1 stop
€309British Airways
Sun, 8 Feb - Sun, 15 Feb
KLM Logo
08:50 - 21:45
DUB
-
LDY
12h 55m2 stops
KLM Logo
09:05 - 22:10
LDY
-
DUB
13h 05m2 stops
€324KLM
Mon, 23 Feb - Sun, 1 Mar
British Airways Logo
20:40 - 10:15
DUB
-
LDY
13h 35m1 stop
British Airways Logo
09:05 - 17:40
LDY
-
DUB
8h 35m1 stop
€328British Airways
Mon, 23 Feb - Sun, 1 Mar
British Airways Logo
20:20 - 10:15
DUB
-
LDY
13h 55m1 stop
British Airways Logo
18:05 - 19:20
LDY
-
DUB
25h 15m1 stop
€342British Airways
Wed, 6 May - Fri, 8 May
British Airways Logo
12:05 - 21:40
DUB
-
LDY
9h 35m2 stops
British Airways Logo
14:00 - 19:30
LDY
-
DUB
5h 30m1 stop
€722British Airways
Wed, 6 May - Fri, 8 May

British Airways flights from Ireland to Northern Ireland

Our best British Airways deals on Ireland to Northern Ireland flight tickets
British Airways
20 Feb
DUB20:35Dublin
11h 50m
1 stop
BHD08:25Belfast City
23 Feb
BHD06:35Belfast City
7h 45m
1 stop
DUB14:20Dublin
€290
Find similar
British Airways
8 Feb
ORK17:35Cork
16h 45m
1 stop
BHD10:20Belfast City
15 Feb
BHD06:30Belfast City
4h 40m
1 stop
ORK11:10Cork
€309
Find similar
British Airways
13 Feb
DUB13:40Dublin
5h 10m
1 stop
BHD18:50Belfast City
16 Feb
BHD06:35Belfast City
7h 45m
1 stop
DUB14:20Dublin
€311
Find similar

KLM flights from Ireland to Northern Ireland

Our best KLM deals on Ireland to Northern Ireland flight tickets
KLM
12 Mar
ORK15:40Cork
29h 20m
2 stops
BHD21:00Belfast City
19 Mar
BHD17:20Belfast City
17h 25m
1 stop
ORK10:45Cork
€250
Find similar
KLM
8 Feb
ORK15:40Cork
25h 10m
2 stops
BHD16:50Belfast City
15 Feb
BHD17:20Belfast City
6h 05m
1 stop
ORK23:25Cork
€276
Find similar
KLM
23 Feb
DUB08:50Dublin
12h 55m
2 stops
LDY21:45Londonderry Eglinton
1 Mar
LDY09:05Londonderry Eglinton
13h 05m
2 stops
DUB22:10Dublin
€324
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Northern 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 5 January 2026.
Use the filters below to find and compare flights from Ireland to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 30/1

12:00-21:05

1 stop9h 05m

Belfast Intl

Fri 6/2

14:30-23:05

1 stop8h 35m

€94

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 20/2

22:00-08:50

1 stop10h 50m

Belfast Intl

Mon 23/2

18:50-23:05

1 stop4h 15m

€96

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 30/1

12:00-21:05

1 stop9h 05m

Belfast Intl

Fri 6/2

14:30-23:05

1 stop8h 35m

€98

CorkBelfast

ORK - BHD

ORKBHD

Cork

Thu 12/3

15:40-21:00

2 stops29h 20m

Belfast City

Thu 19/3

17:20-10:45

1 stop17h 25m

€250

CorkBelfast

ORK - BHD

ORKBHD

Cork

Sun 8/2

15:40-16:50

2 stops25h 10m

Belfast City

Sun 15/2

17:20-23:25

1 stop6h 05m

€276

CorkBelfast

ORK - BHD

ORKBHD

Cork

Sun 8/2

17:35-10:20

1 stop16h 45m

Belfast City

Sun 15/2

06:30-11:10

1 stop4h 40m

€309

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 23/2

08:50-21:45

2 stops12h 55m

Londonderry Eglinton

Sun 1/3

09:05-22:10

2 stops13h 05m

€324

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 23/2

20:40-10:15

1 stop13h 35m

Londonderry Eglinton

Sun 1/3

09:05-17:40

1 stop8h 35m

€328

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Wed 6/5

20:20-10:15

1 stop13h 55m

Londonderry Eglinton

Fri 8/5

18:05-19:20

1 stop25h 15m

€342

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Wed 6/5

12:05-21:40

2 stops9h 35m

Londonderry Eglinton

Fri 8/5

14:00-19:30

1 stop5h 30m

€722

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Northern Ireland from

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

Aer Lingus is the most popular carrier operating from Ireland to Northern Ireland

Cheap Ireland to Northern Ireland flight deals and tips

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

Fastest flight time

3h 10m

Direct flights

None
The fastest flight from Ireland to Northern Ireland takes 3h 10m
There are no direct flights from Ireland to Northern Ireland. There are no popular flight routes from Ireland to Northern Ireland.
Search flight deals

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

    Prices for flights from Ireland to Northern Ireland are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ireland to Northern Ireland?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Northern Ireland.

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

    The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ireland to Northern Ireland

Compare and see reviews for airlines that fly from Ireland to Northern Ireland with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom €259Free CancellationRating
6.7
7,646 reviews
Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ireland to Northern Ireland for you.

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

All flight searches from Ireland to Northern Ireland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Northern Ireland from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Ireland to Northern Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Northern Ireland trip

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Find better results for your trip to Northern Ireland

Popular Cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo
Flights to Londonfrom €35
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Flights to Aberdeenfrom €96
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