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Cheap flights from Ireland to Northern Ireland from £38

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BFS
18 Feb — 25 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Northern Ireland

Keep the following information in mind while searching for Ireland to Northern Ireland flight deals. Data was last updated 19 January 2026.

Round-trip from

£79

One-way from

£38
6/3-8/3
  • 6/3-8/3
  • 2 total stops
  • 7h 45m total
  • Ireland to Northern Ireland
Search Deals
15/4
  • 15/4
  • 1 total stop
  • 5h 10m total
  • Ireland to Northern Ireland
Search Deals

Find flight deals from Ireland to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Northern Ireland
Explore the most affordable flight options available from Ireland to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 January 2026.

Fri 6/306:45
DUB
-
BFS
1 stop3h 45m
Multiple Airlines
Sun 8/307:10
BFS
-
DUB
1 stop4h 00m
Multiple Airlines
Deal found 18/1£79
Sat 14/221:45
DUB
-
BFS
1 stop11h 05m
Multiple Airlines
Sat 21/223:10
BFS
-
DUB
1 stop8h 40m
Multiple Airlines
Deal found 17/1£81
Wed 4/307:45
ORK
-
BFS
1 stop11h 05m
Multiple Airlines
Wed 11/315:45
BFS
-
ORK
1 stop5h 55m
Multiple Airlines
Deal found 18/1£82
Sat 21/216:55
DUB
-
BFS
1 stop5h 05m
Ryanair
Mon 23/219:20
BFS
-
DUB
1 stop3h 10m
Ryanair
Deal found 18/1£82
Sat 21/209:00
DUB
-
BFS
1 stop6h 10m
Multiple Airlines
Mon 23/207:50
BFS
-
DUB
1 stop7h 05m
Multiple Airlines
Deal found 19/1£84
Mon 16/217:00
DUB
-
BFS
1 stop4h 55m
Multiple Airlines
Mon 23/209:40
BFS
-
DUB
1 stop5h 10m
Multiple Airlines
Deal found 18/1£87
Sun 19/407:30
SNN
-
BFS
1 stop4h 25m
Multiple Airlines
Sat 25/412:05
BFS
-
SNN
1 stop8h 15m
Multiple Airlines
Deal found 18/1£91
Sun 19/408:20
ORK
-
BFS
1 stop10h 40m
Multiple Airlines
Sat 25/420:15
BFS
-
ORK
1 stop12h 30m
Multiple Airlines
Deal found 18/1£91
Tue 3/306:10
DUB
-
BFS
1 stop3h 35m
Multiple Airlines
Tue 10/310:35
BFS
-
DUB
1 stop4h 55m
Multiple Airlines
Deal found 17/1£91
Sat 7/206:30
DUB
-
BFS
1 stop5h 25m
Multiple Airlines
Sun 8/222:45
BFS
-
DUB
1 stop9h 05m
Multiple Airlines
Deal found 17/1£93
Sun 15/221:15
DUB
-
BFS
1 stop9h 35m
Multiple Airlines
Sun 22/223:05
BFS
-
DUB
1 stop9h 20m
Multiple Airlines
Deal found 18/1£97
Sun 19/423:55
ORK
-
BHD
1 stop8h 15m
Multiple Airlines
Sat 25/414:45
BHD
-
ORK
1 stop6h 30m
Multiple Airlines
Deal found 18/1£100

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 19 January 2026.
Use the filters below to find and compare flights from Ireland to Northern Ireland that are best for you.

Fly from

Ireland

Fly to

Northern Ireland

Route

Depart

Return

Price

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Fri 6/3

06:45-10:30

1 stop3h 45m

Belfast Intl

Sun 8/3

07:10-11:10

1 stop4h 00m

£79

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 14/2

21:45-08:50

1 stop11h 05m

Belfast Intl

Sat 21/2

23:10-07:50

1 stop8h 40m

£81

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 4/3

07:45-18:50

1 stop11h 05m

Belfast Intl

Wed 11/3

15:45-21:40

1 stop5h 55m

£82

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 4/3

20:00-09:20

1 stop13h 20m

Belfast Intl

Wed 11/3

15:45-20:05

1 stop4h 20m

£82

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 3/3

21:15-10:20

1 stop13h 05m

Belfast Intl

Tue 10/3

10:35-23:40

1 stop13h 05m

£82

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 21/2

09:00-15:10

1 stop6h 10m

Belfast Intl

Mon 23/2

07:50-14:55

1 stop7h 05m

£84

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 16/2

17:00-21:55

1 stop4h 55m

Belfast Intl

Mon 23/2

09:40-14:50

1 stop5h 10m

£87

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Sun 19/4

07:30-11:55

1 stop4h 25m

Belfast Intl

Sat 25/4

12:05-20:20

1 stop8h 15m

£91

CorkBelfast

ORK - BFS

ORKBFS

Cork

Sun 19/4

08:20-19:00

1 stop10h 40m

Belfast Intl

Sat 25/4

20:15-08:45

1 stop12h 30m

£91

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 7/2

06:30-11:55

1 stop5h 25m

Belfast Intl

Sun 8/2

22:45-07:50

1 stop9h 05m

£93

Flights are sorted by cheapest return flights first.

Deals found on 17/1

Showing 1-10 of 37 results
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Best time to book a flight from Ireland to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Northern Ireland
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Ireland to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Ireland to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Northern Ireland.

  • Can I find deals for business class flights from Ireland to Northern Ireland?

    Yes. Cheapflights offers flight deals from Ireland to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ireland to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Madrid to London City flights
Lyon to London City flights
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Gatwick to Edinburgh flights
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Berlin to Gatwick flights
Nantes to Heathrow flights
Madrid to Stansted flights
Malpensa to Heathrow flights
Lyon to Luton flights
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Orly to Edinburgh flights
Madrid to Luton flights
Leonardo da Vinci/Fiumicino to Luton flights
Porto to Gatwick flights
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Stansted to Edinburgh flights
Nantes to Gatwick flights
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Yes, we can. To see specific flights from Ireland to Northern Ireland with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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