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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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BFS
3 Apr — 10 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 4 March 2026.

Mon 13/421:55
DUB
-
BFS
1 stop10h 55m
Multiple Airlines
Mon 27/418:50
BFS
-
DUB
1 stop12h 30m
Multiple Airlines
Deal found 27/2£71
Wed 15/416:15
DUB
-
BFS
1 stop7h 05m
Multiple Airlines
Wed 22/420:15
BFS
-
DUB
1 stop3h 50m
Multiple Airlines
Deal found 3/3£73
Mon 13/421:05
ORK
-
BFS
1 stop12h 55m
Multiple Airlines
Mon 20/421:55
BFS
-
ORK
1 stop10h 10m
Multiple Airlines
Deal found 27/2£73
Mon 13/406:55
DUB
-
BFS
1 stop8h 25m
Multiple Airlines
Mon 20/408:40
BFS
-
DUB
1 stop8h 20m
Multiple Airlines
Deal found 27/2£73
Thu 16/417:35
KIR
-
BFS
1 stop4h 45m
Ryanair
Thu 23/412:45
BFS
-
KIR
1 stop4h 25m
Ryanair
Deal found 2/3£74
Wed 15/415:20
ORK
-
BFS
1 stop4h 30m
Multiple Airlines
Wed 22/405:55
BFS
-
ORK
1 stop9h 00m
Multiple Airlines
Deal found 2/3£74
Tue 14/420:30
DUB
-
BFS
1 stop11h 35m
Multiple Airlines
Tue 21/405:55
BFS
-
DUB
1 stop6h 35m
Multiple Airlines
Deal found 28/2£75
Mon 13/414:35
ORK
-
BFS
1 stop6h 55m
Multiple Airlines
Thu 16/422:45
BFS
-
ORK
1 stop9h 35m
Multiple Airlines
Deal found 27/2£75
Mon 20/414:35
DUB
-
BFS
1 stop6h 55m
Multiple Airlines
Tue 21/405:55
BFS
-
DUB
1 stop6h 35m
Multiple Airlines
Deal found 27/2£76
Sat 28/319:25
DUB
-
BFS
1 stop13h 10m
Multiple Airlines
Sat 4/421:40
BFS
-
DUB
1 stop11h 30m
Multiple Airlines
Deal found 28/2£77
Fri 17/414:55
DUB
-
BFS
1 stop4h 35m
Multiple Airlines
Fri 24/419:20
BFS
-
DUB
1 stop5h 40m
Multiple Airlines
Deal found 3/3£78
Thu 16/406:05
SNN
-
BFS
1 stop11h 50m
Multiple Airlines
Thu 23/414:50
BFS
-
SNN
1 stop5h 30m
Multiple Airlines
Deal found 2/3£81

Find 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 4 March 2026.

Round-trip from

£71

One-way from

£38
13/4-27/4
  • 13/4-27/4
  • 2 total stops
  • 23h 25m total
  • Ireland to Northern Ireland
Search Deals
14/4
  • 14/4
  • 1 total stop
  • 8h 40m total
  • Ireland to Northern Ireland
Search Deals

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 4 March 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

Mon 20/4

22:05-12:20

1 stop14h 15m

Belfast Intl

Tue 28/4

16:40-23:20

1 stop6h 40m

£73

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 13/4

20:35-10:00

1 stop13h 25m

Belfast Intl

Mon 20/4

08:40-20:10

1 stop11h 30m

£73

CorkBelfast

ORK - BFS

ORKBFS

Cork

Mon 13/4

21:05-10:00

1 stop12h 55m

Belfast Intl

Mon 20/4

21:55-08:05

1 stop10h 10m

£73

Milltown (Kerry)Belfast

KIR - BFS

KIRBFS

Milltown (Kerry)

Thu 16/4

17:35-22:20

1 stop4h 45m

Belfast Intl

Thu 23/4

12:45-17:10

1 stop4h 25m

£74

CorkBelfast

ORK - BFS

ORKBFS

Cork

Wed 15/4

15:20-19:50

1 stop4h 30m

Belfast Intl

Wed 22/4

05:55-14:55

1 stop9h 00m

£74

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 14/4

20:30-08:05

1 stop11h 35m

Belfast Intl

Tue 21/4

05:55-12:30

1 stop6h 35m

£75

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 28/3

19:25-08:35

1 stop13h 10m

Belfast Intl

Sat 4/4

21:40-09:10

1 stop11h 30m

£77

ShannonBelfast

SNN - BFS

SNNBFS

Shannon

Thu 16/4

06:05-12:20

1 stop6h 15m

Belfast Intl

Thu 23/4

14:50-20:20

1 stop5h 30m

£81

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 26/3

08:00-16:10

1 stop8h 10m

Belfast Intl

Thu 2/4

12:45-23:55

1 stop11h 10m

£81

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 16/4

06:15-19:15

1 stop13h 00m

Belfast Intl

Thu 23/4

06:40-20:30

1 stop13h 50m

£82

Flights are sorted by cheapest return flights first.

Deals found on 28/2

Showing 1-10 of 59 resultsSorted by cheapest first
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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.

  • How long is the flight from Ireland to Northern Ireland?

    For as low as £74, Ryanair can have you in Northern Ireland from Ireland in 4h 45m. The distance from Ireland to Northern Ireland is about 219 mi.

  • 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.

See more FAQs

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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.
Charles de Gaulle to Luton flights
Charles de Gaulle to Gatwick flights
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Charles de Gaulle to Heathrow flights
Madrid to Heathrow flights
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Beauvais-Tille to Stansted flights
Madrid to Gatwick flights
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Frankfurt to Luton flights
Madrid to Luton flights
Vienna to Heathrow flights
Frankfurt to Heathrow flights
Madrid to London City flights
Madrid to Stansted flights
Vienna to Stansted flights
Malpensa to Luton flights
Duesseldorf Intl to Gatwick flights
Duesseldorf Intl to London City flights
Beauvais-Tille to Luton flights
Malpensa to Gatwick flights
Vienna to London City flights
Amsterdam to Luton flights
Cologne to Gatwick flights
Frederic Chopin to Stansted flights
Nantes to Gatwick flights
Lyon to Heathrow flights
Lyon to Gatwick flights
Linate to London City flights
Amsterdam to Gatwick flights
Madrid to Southend flights
Lyon to Stansted flights
Nantes to Stansted flights
Nantes to Heathrow flights
Amsterdam to Stansted flights
Amsterdam to London City flights
Malpensa to Heathrow flights
Nantes to London City flights
Frankfurt to Southend flights
Lyon to Luton flights
Malpensa to Stansted flights
Malpensa to London City flights
Frederic Chopin to Heathrow flights
Beauvais-Tille to Gatwick flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ireland to Northern Ireland?

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Why should you use Cheapflights to find cheap flight tickets from Ireland to Northern Ireland?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Northern Ireland from Ireland.

Can Cheapflights find flights from Ireland to Northern Ireland with no change fees?

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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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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