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Cheap flights from Ireland to Northern Ireland from £36

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BFS
21 Aug — 28 Aug1
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 22 July 2026.

Mon 10/819:55
DUB
-
BFS
1 stop12h 10m
Multiple Airlines
Tue 18/807:35
BFS
-
DUB
1 stop12h 20m
Multiple Airlines
Deal found 20/7£69
Tue 18/816:25
DUB
-
BFS
1 stop6h 40m
Multiple Airlines
Tue 25/807:35
BFS
-
DUB
1 stop12h 20m
Multiple Airlines
Deal found 21/7£70
Thu 3/920:55
DUB
-
BFS
1 stop11h 35m
Multiple Airlines
Thu 10/912:45
BFS
-
DUB
1 stop11h 10m
Multiple Airlines
Deal found 20/7£71
Tue 11/806:05
DUB
-
BFS
1 stop3h 55m
Multiple Airlines
Wed 12/807:30
BFS
-
DUB
1 stop13h 15m
Multiple Airlines
Deal found 20/7£72
Sun 16/823:10
DUB
-
BFS
1 stop9h 05m
Multiple Airlines
Tue 25/823:30
BFS
-
DUB
1 stop8h 55m
Multiple Airlines
Deal found 18/7£72
Wed 19/810:05
DUB
-
BFS
1 stop5h 10m
Multiple Airlines
Wed 26/807:30
BFS
-
DUB
1 stop5h 00m
Multiple Airlines
Deal found 22/7£73
Thu 3/917:25
ORK
-
BFS
1 stop4h 55m
Multiple Airlines
Tue 8/907:35
BFS
-
ORK
1 stop14h 10m
Multiple Airlines
Deal found 21/7£74
Thu 27/813:00
DUB
-
BFS
1 stop9h 20m
Multiple Airlines
Wed 2/907:30
BFS
-
DUB
1 stop8h 30m
Multiple Airlines
Deal found 21/7£75
Mon 7/908:10
SNN
-
BFS
1 stop13h 20m
Multiple Airlines
Tue 8/923:30
BFS
-
SNN
1 stop10h 05m
Multiple Airlines
Deal found 21/7£76
Mon 14/920:35
DUB
-
BFS
1 stop13h 25m
Multiple Airlines
Mon 21/908:40
BFS
-
DUB
1 stop11h 30m
Multiple Airlines
Deal found 21/7£76
Wed 5/806:30
DUB
-
BFS
1 stop8h 45m
Multiple Airlines
Tue 25/823:30
BFS
-
DUB
1 stop8h 55m
Multiple Airlines
Deal found 19/7£77
Mon 14/920:35
DUB
-
BFS
1 stop13h 25m
Multiple Airlines
Tue 22/920:15
BFS
-
DUB
1 stop11h 35m
Multiple Airlines
Deal found 22/7£78

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 22 July 2026.

Round-trip from

£69

One-way from

£36
10/8-18/8
  • 10/8-18/8
  • 2 total stops
  • 24h 30m total
  • Ireland to Northern Ireland
Search Deals
25/8
  • 25/8
  • 1 total stop
  • 9h 45m 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 22 July 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

Cheapest return flight

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 10/8

19:55-08:05

1 stop12h 10m

Belfast Intl

Tue 18/8

07:35-19:55

1 stop12h 20m

£69

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 5/9

20:25-09:35

1 stop13h 10m

Belfast Intl

Sat 12/9

07:40-19:20

1 stop11h 40m

£72

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 19/8

10:05-15:15

1 stop5h 10m

Belfast Intl

Wed 26/8

07:30-12:30

1 stop5h 00m

£73

CorkBelfast

ORK - BFS

ORKBFS

Cork

Thu 3/9

17:25-22:20

1 stop4h 55m

Belfast Intl

Tue 8/9

07:35-21:45

1 stop14h 10m

£74

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sun 16/8

23:10-08:15

1 stop9h 05m

Belfast Intl

Tue 25/8

23:30-08:25

1 stop8h 55m

£74

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Mon 14/9

21:10-10:00

1 stop12h 50m

Belfast Intl

Tue 22/9

20:15-07:50

1 stop11h 35m

£74

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Thu 27/8

20:55-08:30

1 stop11h 35m

Belfast Intl

Wed 2/9

07:30-21:30

1 stop14h 00m

£75

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Sat 15/8

08:15-21:15

1 stop13h 00m

Belfast Intl

Sat 22/8

21:40-09:10

1 stop11h 30m

£77

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Wed 5/8

06:30-15:15

1 stop8h 45m

Belfast Intl

Tue 25/8

23:30-08:25

1 stop8h 55m

£77

DublinBelfast

DUB - BFS

DUBBFS

Dublin

Tue 1/9

21:20-07:05

1 stop9h 45m

Belfast Intl

Tue 8/9

07:35-16:25

1 stop8h 50m

£77

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 60 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 £175, British Airways can have you in Northern Ireland from Ireland in 12h 35m. The distance from Ireland to Northern Ireland is about 84 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.
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Stansted to Edinburgh flights
Vienna to London City flights
Charles de Gaulle to Southend flights
Vienna to Gatwick flights
Heathrow to Edinburgh flights
Luton to Edinburgh flights
Frankfurt to London City flights
Lyon to Gatwick flights
Leonardo da Vinci/Fiumicino to Gatwick flights
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Zurich to Gatwick flights
Lyon to Stansted flights
Lyon to Luton flights
Dublin to Gatwick flights
Vienna to Luton flights
Lyon to London City flights
Malpensa to Gatwick flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Northern Ireland from Ireland today with Cheapflights!

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.

Can Cheapflights notify me if prices for flights from Ireland to Northern Ireland become cheaper?

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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