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Cheap flights from Ireland to Northern Ireland from €67

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 15/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
07:20 - 18:45DUB-BFS
11h 25m1 stop
Multiple Airlines Logo
06:00 - 20:30BFS-DUB
14h 30m1 stop
€98Multiple Airlines
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Sat, 13 Dec - Sat, 20 Dec
Multiple Airlines Logo
21:40 - 09:10DUB-BFS
11h 30m1 stop
Multiple Airlines Logo
07:00 - 16:35BFS-DUB
9h 35m1 stop
€103Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
22:15 - 07:35ORK-BFS
9h 20m1 stop
Multiple Airlines Logo
06:30 - 12:50BFS-ORK
6h 20m1 stop
€104Multiple Airlines
Find Deal
Mon, 5 Jan - Mon, 12 Jan
Multiple Airlines Logo
22:25 - 08:55ORK-BFS
10h 30m1 stop
Multiple Airlines Logo
07:10 - 13:15BFS-ORK
6h 05m1 stop
€107Multiple Airlines
Find Deal
Mon, 5 Jan - Sun, 11 Jan
Multiple Airlines Logo
21:45 - 08:50DUB-BFS
11h 05m1 stop
Multiple Airlines Logo
23:10 - 09:20BFS-DUB
10h 10m1 stop
€108Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Multiple Airlines Logo
22:25 - 08:55ORK-BFS
10h 30m1 stop
Multiple Airlines Logo
22:20 - 07:20BFS-ORK
9h 00m1 stop
€109Multiple Airlines
Find Deal
Mon, 8 Dec - Mon, 15 Dec
Aer Lingus Logo
06:40 - 11:20DUB-BHD
4h 40m1 stop
Aer Lingus Logo
06:50 - 12:55BHD-DUB
6h 05m1 stop
€151Aer Lingus
Find Deal
Mon, 1 Dec - Mon, 8 Dec
KLM Logo
13:25 - 21:00DUB-BHD
7h 35m1 stop
KLM Logo
17:20 - 22:10BHD-DUB
4h 50m1 stop
€210KLM
Find Deal
Sat, 6 Dec - Sat, 13 Dec
British Airways Logo
17:55 - 09:10DUB-BHD
15h 15m1 stop
British Airways Logo
06:35 - 14:20BHD-DUB
7h 45m1 stop
€213British Airways
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Sat, 6 Dec - Sat, 13 Dec
British Airways Logo
07:50 - 13:55SNN-BHD
6h 05m1 stop
British Airways Logo
06:30 - 11:30BHD-SNN
5h 00m1 stop
€353British Airways
Find Deal
Mon, 5 Jan - Sun, 11 Jan

KLM flights from Ireland to Northern Ireland

Our best KLM deals on Ireland to Northern Ireland flight tickets
KLM
6 Dec
DUB13:25Dublin
7h 35m
1 stop
BHD21:00Belfast City
13 Dec
BHD17:20Belfast City
4h 50m
1 stop
DUB22:10Dublin
€210
Find similar
KLM
21 Nov
DUB05:55Dublin
10h 55m
1 stop
BHD16:50Belfast City
23 Nov
BHD06:30Belfast City
25h 35m
1 stop
DUB08:05Dublin
€274
Find similar
KLM
5 Dec
ORK15:25Cork
25h 25m
2 stops
BHD16:50Belfast City
7 Dec
BHD17:20Belfast City
17h 25m
1 stop
ORK10:45Cork
€403
Find similar

British Airways flights from Ireland to Northern Ireland

Our best British Airways deals on Ireland to Northern Ireland flight tickets
British Airways
6 Dec
DUB17:55Dublin
15h 15m
1 stop
BHD09:10Belfast City
13 Dec
BHD06:35Belfast City
7h 45m
1 stop
DUB14:20Dublin
€213
Find similar
British Airways
6 Dec
DUB17:55Dublin
15h 15m
1 stop
BHD09:10Belfast City
13 Dec
BHD06:35Belfast City
13h 15m
1 stop
DUB19:50Dublin
€218
Find similar
British Airways
30 Mar
DUB20:55Dublin
11h 55m
1 stop
BHD08:50Belfast City
31 Mar
BHD13:40Belfast City
5h 55m
1 stop
DUB19:35Dublin
€259
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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 16 November 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

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 13/12

07:20-18:45

1 stop11h 25m

Belfast Intl

Sat 20/12

06:00-20:30

1 stop14h 30m

€98

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 1/12

21:40-09:10

1 stop11h 30m

Belfast Intl

Mon 8/12

07:00-16:35

1 stop9h 35m

€103

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 5/1

22:15-07:35

1 stop9h 20m

Belfast Intl

Mon 12/1

06:30-12:50

1 stop6h 20m

€104

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 5/1

22:25-08:55

1 stop10h 30m

Belfast Intl

Sun 11/1

07:10-13:15

1 stop6h 05m

€107

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 6/12

21:45-08:50

1 stop11h 05m

Belfast Intl

Sat 13/12

23:10-09:20

1 stop10h 10m

€108

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 8/12

22:25-08:55

1 stop10h 30m

Belfast Intl

Mon 15/12

22:20-07:20

1 stop9h 00m

€109

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Mon 1/12

06:40-11:20

1 stop4h 40m

Belfast City

Mon 8/12

06:50-12:55

1 stop6h 05m

€151

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 6/12

13:25-21:00

1 stop7h 35m

Belfast City

Sat 13/12

17:20-22:10

1 stop4h 50m

€210

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 6/12

17:55-09:10

1 stop15h 15m

Belfast City

Sat 13/12

06:35-14:20

1 stop7h 45m

€213

ShannonBelfast

SNN - BHD

SNNBHD

Shannon

Mon 5/1

07:50-13:55

1 stop6h 05m

Belfast City

Sun 11/1

06:30-11:30

1 stop5h 00m

€353

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 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

How long is the flight from Ireland to Northern Ireland?

The flight from Ireland to Northern Ireland depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Cork (a popular airport in Ireland) to Belfast Intl Airport (the most popular airport in Northern Ireland), then the flight time is 4h 25m on average. If you fly from Dublin (another popular airport in Ireland) to Belfast Intl Airport, then the average flight time is 5h 40m.

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

Direct flights

None
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 €261Free CancellationRating
6.7
7,524 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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