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Cheap flights from Ireland to Northern Ireland from €49

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 17/1. 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
09:40 - 20:25SNN-BFS
10h 45m1 stop
Multiple Airlines Logo
07:10 - 12:50BFS-SNN
5h 40m1 stop
€81Multiple Airlines
Find Deal
Fri, 9 Jan - Sun, 11 Jan
Multiple Airlines Logo
22:40 - 06:45ORK-BFS
8h 05m1 stop
Multiple Airlines Logo
12:45 - 22:15BFS-ORK
9h 30m1 stop
€82Multiple Airlines
Find Deal
Sat, 17 Jan - Sat, 24 Jan
Multiple Airlines Logo
10:05 - 16:10DUB-BFS
6h 05m1 stop
Multiple Airlines Logo
07:05 - 16:50BFS-DUB
9h 45m1 stop
€84Multiple Airlines
Find Deal
Thu, 15 Jan - Thu, 22 Jan
KLM Logo
05:55 - 16:50DUB-BHD
10h 55m1 stop
KLM Logo
17:20 - 08:05BHD-DUB
14h 45m1 stop
€222KLM
Find Deal
Sat, 17 Jan - Sat, 24 Jan
British Airways Logo
20:40 - 08:15DUB-BHD
11h 35m1 stop
British Airways Logo
09:15 - 17:00BHD-DUB
7h 45m1 stop
€237British Airways
Find Deal
Sat, 17 Jan - Sat, 24 Jan
British Airways Logo
16:00 - 21:45DUB-LDY
5h 45m1 stop
British Airways Logo
09:05 - 07:55LDY-DUB
22h 50m1 stop
€315British Airways
Find Deal
Mon, 12 Jan - Sun, 18 Jan
KLM Logo
05:55 - 21:45DUB-LDY
15h 50m2 stops
KLM Logo
09:05 - 22:10LDY-DUB
13h 05m2 stops
€322KLM
Find Deal
Mon, 12 Jan - Sun, 18 Jan
British Airways Logo
13:00 - 21:45DUB-LDY
8h 45m1 stop
British Airways Logo
06:30 - 17:00LDY-DUB
10h 30m1 stop
€617British Airways
Find Deal
Mon, 15 Dec - Thu, 18 Dec
British Airways Logo
16:00 - 21:45DUB-LDY
5h 45m1 stop
British Airways Logo
06:30 - 19:45LDY-DUB
13h 15m1 stop
€618British Airways
Find Deal
Mon, 15 Dec - Thu, 18 Dec
KLM Logo
08:50 - 17:35DUB-LDY
8h 45m2 stops
KLM Logo
06:30 - 16:20LDY-DUB
9h 50m2 stops
€883KLM
Find Deal
Mon, 15 Dec - Thu, 18 Dec

British Airways flights from Ireland to Northern Ireland

Our best British Airways deals on Ireland to Northern Ireland flight tickets
British Airways
17 Jan
DUB20:40Dublin
12h 30m
1 stop
BHD09:10Belfast City
24 Jan
BHD09:15Belfast City
5h 50m
1 stop
DUB15:05Dublin
€237
Find similar
British Airways
11 Feb
DUB13:10Dublin
5h 30m
1 stop
BHD18:40Belfast City
14 Feb
BHD06:35Belfast City
7h 45m
1 stop
DUB14:20Dublin
€242
Find similar
British Airways
11 Feb
DUB10:20Dublin
8h 20m
1 stop
BHD18:40Belfast City
14 Feb
BHD06:35Belfast City
7h 45m
1 stop
DUB14:20Dublin
€243
Find similar

KLM flights from Ireland to Northern Ireland

Our best KLM deals on Ireland to Northern Ireland flight tickets
KLM
17 Jan
DUB05:55Dublin
10h 55m
1 stop
BHD16:50Belfast City
24 Jan
BHD17:20Belfast City
14h 45m
1 stop
DUB08:05Dublin
€222
Find similar
KLM
17 Jan
ORK06:00Cork
10h 50m
1 stop
BHD16:50Belfast City
24 Jan
BHD17:20Belfast City
6h 05m
1 stop
ORK23:25Cork
€260
Find similar
KLM
13 Apr
DUB11:10Dublin
5h 45m
1 stop
BHD16:55Belfast City
19 Apr
BHD09:50Belfast City
10h 25m
1 stop
DUB20:15Dublin
€287
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 3 December 2025.
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

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Fri 9/1

09:40-20:25

1 stop10h 45m

Belfast Intl

Sun 11/1

07:10-12:50

1 stop5h 40m

€81

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sat 17/1

22:40-06:45

1 stop8h 05m

Belfast Intl

Sat 24/1

12:45-22:15

1 stop9h 30m

€82

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 15/1

10:05-16:10

1 stop6h 05m

Belfast Intl

Thu 22/1

07:05-16:50

1 stop9h 45m

€84

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 17/1

05:55-16:50

1 stop10h 55m

Belfast City

Sat 24/1

17:20-08:05

1 stop14h 45m

€222

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 17/1

20:40-08:15

1 stop11h 35m

Belfast City

Sat 24/1

09:15-17:00

1 stop7h 45m

€237

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 12/1

16:00-21:45

1 stop5h 45m

Londonderry Eglinton

Sun 18/1

09:05-07:55

1 stop22h 50m

€315

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 12/1

05:55-21:45

2 stops15h 50m

Londonderry Eglinton

Sun 18/1

09:05-22:10

2 stops13h 05m

€322

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 15/12

13:00-21:45

1 stop8h 45m

Londonderry Eglinton

Thu 18/12

06:30-17:00

1 stop10h 30m

€617

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 15/12

16:00-21:45

1 stop5h 45m

Londonderry Eglinton

Thu 18/12

06:30-19:45

1 stop13h 15m

€618

DublinLondonderry

DUB - LDY

DUBLDY

Dublin

Mon 15/12

08:50-17:35

2 stops8h 45m

Londonderry Eglinton

Thu 18/12

06:30-16:20

2 stops9h 50m

€883

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 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?

Ryanair and Aer Lingus are the most popular carriers 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 €260Free CancellationRating
6.7
7,557 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.

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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
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