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Cheap flights from Ireland to Northern Ireland from €38

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 27/9. 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

Logo
07:40 - 13:10DUB-BFS
5h 30m1 stop
Logo
15:55 - 22:05BFS-DUB
6h 10m1 stop
€110
Find Deal
Tue, 14 Oct - Thu, 16 Oct
Logo
07:40 - 13:10DUB-BFS
5h 30m1 stop
Logo
15:55 - 22:05BFS-DUB
6h 10m1 stop
€113
Find Deal
Tue, 14 Oct - Thu, 16 Oct
Ryanair Logo
20:55 - 10:00ORK-BFS
13h 05m1 stop
Ryanair Logo
06:00 - 20:30BFS-ORK
14h 30m1 stop
€125Ryanair
Find Deal
Thu, 9 Oct - Thu, 16 Oct
Ryanair Logo
20:55 - 10:00ORK-BFS
13h 05m1 stop
Ryanair Logo
06:00 - 20:30BFS-ORK
14h 30m1 stop
€141Ryanair
Find Deal
Thu, 9 Oct - Thu, 16 Oct
Aer Lingus Logo
06:30 - 16:25DUB-BHD
9h 55m1 stop
Aer Lingus Logo
16:55 - 21:15BHD-DUB
4h 20m1 stop
€172Aer Lingus
Find Deal
Sun, 21 Sep - Sun, 28 Sep
Aer Lingus Logo
06:30 - 18:15DUB-BHD
11h 45m1 stop
Aer Lingus Logo
15:15 - 22:30BHD-DUB
7h 15m1 stop
€188Aer Lingus
Find Deal
Sat, 27 Sep - Sun, 5 Oct
KLM Logo
11:10 - 16:55DUB-BHD
5h 45m1 stop
KLM Logo
06:30 - 12:35BHD-DUB
6h 05m1 stop
€212KLM
Find Deal
Sat, 27 Sep - Sun, 5 Oct
KLM Logo
11:10 - 16:55DUB-BHD
5h 45m1 stop
KLM Logo
06:30 - 20:15BHD-DUB
13h 45m1 stop
€214KLM
Find Deal
Sat, 27 Sep - Sun, 5 Oct
British Airways Logo
20:10 - 10:10DUB-BHD
14h 00m1 stop
British Airways Logo
18:05 - 07:45BHD-DUB
13h 40m1 stop
€229British Airways
Find Deal
Sat, 27 Sep - Sun, 5 Oct
British Airways Logo
20:10 - 10:10DUB-BHD
14h 00m1 stop
British Airways Logo
19:30 - 07:45BHD-DUB
12h 15m1 stop
€233British Airways
Find Deal
Sat, 27 Sep - Mon, 6 Oct

Ryanair flights from Ireland to Northern Ireland

Our best Ryanair deals on Ireland to Northern Ireland flight tickets
Ryanair
9 Oct
ORK20:55Cork
13h 05m
1 stop
BFS10:00Belfast Intl
16 Oct
BFS06:00Belfast Intl
14h 30m
1 stop
ORK20:30Cork
€125
Find similar
Ryanair
9 Oct
ORK20:55Cork
13h 05m
1 stop
BFS10:00Belfast Intl
16 Oct
BFS06:00Belfast Intl
14h 30m
1 stop
ORK20:30Cork
€141
Find similar

KLM flights from Ireland to Northern Ireland

Our best KLM deals on Ireland to Northern Ireland flight tickets
KLM
27 Sept
DUB11:10Dublin
5h 45m
1 stop
BHD16:55Belfast City
5 Oct
BHD06:30Belfast City
6h 05m
1 stop
DUB12:35Dublin
€212
Find similar
KLM
27 Sept
DUB11:10Dublin
5h 45m
1 stop
BHD16:55Belfast City
5 Oct
BHD06:30Belfast City
13h 45m
1 stop
DUB20:15Dublin
€214
Find similar
KLM
4 Oct
ORK15:25Cork
25h 30m
2 stops
BHD16:55Belfast City
10 Oct
BHD17:25Belfast City
6h 05m
1 stop
ORK23:30Cork
€314
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 26 August 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

Tue 14/10

07:40-13:10

1 stop5h 30m

Belfast Intl

Thu 16/10

15:55-22:05

1 stop6h 10m

€110

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 14/10

07:40-13:10

1 stop5h 30m

Belfast Intl

Thu 16/10

15:55-22:05

1 stop6h 10m

€113

CorkBelfast

ORK - BFS

ORKBFS

Cork

Thu 9/10

20:55-10:00

1 stop13h 05m

Belfast Intl

Thu 16/10

06:00-20:30

1 stop14h 30m

€125

CorkBelfast

ORK - BFS

ORKBFS

Cork

Thu 9/10

20:55-10:00

1 stop13h 05m

Belfast Intl

Thu 16/10

06:00-20:30

1 stop14h 30m

€141

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sun 21/9

06:30-16:25

1 stop9h 55m

Belfast City

Sun 28/9

16:55-21:15

1 stop4h 20m

€172

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

06:30-18:15

1 stop11h 45m

Belfast City

Sun 5/10

15:15-22:30

1 stop7h 15m

€188

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

11:10-16:55

1 stop5h 45m

Belfast City

Sun 5/10

06:30-12:35

1 stop6h 05m

€212

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

11:10-16:55

1 stop5h 45m

Belfast City

Sun 5/10

06:30-20:15

1 stop13h 45m

€214

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

20:10-10:10

1 stop14h 00m

Belfast City

Sun 5/10

18:05-07:45

1 stop13h 40m

€229

DublinBelfast

DUB - BHD

DUBBHD

Dublin

Sat 27/9

20:10-10:10

1 stop14h 00m

Belfast City

Mon 6/10

19:30-07:45

1 stop12h 15m

€233

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, British Airways, and KLM 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

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 €260Free CancellationRating
6.7
7,309 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

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