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Cheap flights from Northern Ireland to Ireland from £41

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
26 Feb — 5 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Ireland
Explore the most affordable flight options available from Northern Ireland to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 January 2026.

Tue 21/407:35
BFS
-
ORK
1 stop14h 10m
Multiple Airlines
Wed 22/409:55
ORK
-
BFS
1 stop5h 20m
Multiple Airlines
Deal found 25/1£80
Fri 20/311:45
BFS
-
ORK
1 stop9h 20m
Multiple Airlines
Sat 21/322:40
ORK
-
BFS
1 stop8h 05m
Multiple Airlines
Deal found 25/1£84
Thu 5/316:35
BFS
-
DUB
1 stop5h 00m
Multiple Airlines
Thu 12/318:15
DUB
-
BFS
1 stop4h 35m
Multiple Airlines
Deal found 26/1£86
Tue 24/210:35
BFS
-
DUB
1 stop10h 00m
Multiple Airlines
Tue 3/307:20
DUB
-
BFS
1 stop8h 55m
Multiple Airlines
Deal found 25/1£87
Thu 12/308:35
BFS
-
DUB
1 stop6h 15m
Multiple Airlines
Thu 19/306:10
DUB
-
BFS
1 stop10h 05m
Multiple Airlines
Deal found 26/1£91
Sat 7/313:55
BFS
-
DUB
1 stop6h 30m
Multiple Airlines
Mon 9/306:15
DUB
-
BFS
1 stop3h 30m
Multiple Airlines
Deal found 25/1£94
Thu 12/315:35
LDY
-
DUB
1 stop7h 55m
Multiple Airlines
Thu 19/322:15
DUB
-
LDY
1 stop9h 20m
Multiple Airlines
Deal found 26/1£95
Mon 2/314:35
BFS
-
ORK
1 stop4h 25m
Multiple Airlines
Sat 7/322:40
ORK
-
BFS
1 stop11h 30m
Multiple Airlines
Deal found 26/1£97
Wed 11/307:55
BFS
-
DUB
1 stop8h 20m
Multiple Airlines
Wed 18/306:45
DUB
-
BFS
1 stop3h 35m
Multiple Airlines
Deal found 25/1£97
Sat 28/208:50
BFS
-
ORK
1 stop6h 15m
Multiple Airlines
Sat 7/322:40
ORK
-
BFS
1 stop8h 05m
Multiple Airlines
Deal found 24/1£97
Tue 21/417:20
BHD
-
ORK
1 stop4h 25m
Multiple Airlines
Wed 22/409:55
ORK
-
BHD
1 stop6h 05m
Multiple Airlines
Deal found 25/1£97
Sat 7/307:25
BHD
-
DUB
1 stop10h 30m
Multiple Airlines
Mon 9/307:10
DUB
-
BHD
1 stop9h 25m
Multiple Airlines
Deal found 25/1£99

Find flight deals from Northern Ireland to Ireland

Keep the following information in mind while searching for Northern Ireland to Ireland flight deals. Data was last updated 27 January 2026.

Round-trip from

£80

One-way from

£41
21/4-22/4
  • 21/4-22/4
  • 2 total stops
  • 19h 30m total
  • Northern Ireland to Ireland
Search Deals
30/3
  • 30/3
  • 1 total stop
  • 11h 30m total
  • Northern Ireland to Ireland
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to 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 27 January 2026.
Use the filters below to find and compare flights from Northern Ireland to Ireland that are best for you.

Fly from

Northern Ireland

Fly to

Ireland

Route

Depart

Return

Price

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 21/4

07:35-21:45

1 stop14h 10m

Cork

Wed 22/4

09:55-15:15

1 stop5h 20m

£80

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Fri 20/3

11:45-21:05

1 stop9h 20m

Cork

Sat 21/3

22:40-06:45

1 stop8h 05m

£84

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 5/3

16:35-21:35

1 stop5h 00m

Dublin

Thu 12/3

18:15-22:50

1 stop4h 35m

£86

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 24/2

10:35-20:35

1 stop10h 00m

Dublin

Tue 3/3

07:20-16:15

1 stop8h 55m

£87

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 12/3

08:35-14:50

1 stop6h 15m

Dublin

Thu 19/3

06:10-16:15

1 stop10h 05m

£91

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 2/3

14:35-19:00

1 stop4h 25m

Cork

Sat 7/3

22:40-10:10

1 stop11h 30m

£97

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Wed 11/3

07:55-16:15

1 stop8h 20m

Dublin

Wed 18/3

06:45-10:20

1 stop3h 35m

£97

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 28/2

08:50-15:05

1 stop6h 15m

Cork

Sat 7/3

22:40-06:45

1 stop8h 05m

£97

BelfastCork

BHD - ORK

BHDORK

Belfast City

Tue 21/4

17:20-21:45

1 stop4h 25m

Cork

Wed 22/4

09:55-16:00

1 stop6h 05m

£97

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Sat 7/3

07:25-17:55

1 stop10h 30m

Dublin

Mon 9/3

07:10-16:35

1 stop9h 25m

£99

Flights are sorted by cheapest return flights first.

Deals found on 25/1

Showing 1-10 of 59 results
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Best time to book a flight from Northern Ireland to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Northern 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 Northern Ireland to 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 Northern Ireland to 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 Northern Ireland to Ireland that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Northern Ireland to 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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Can Cheapflights find flights from Northern Ireland to Ireland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Northern Ireland to Ireland, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Northern Ireland to Ireland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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