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Cheap flights from Northern Ireland to Ireland from £51

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 13/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — DUB
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 November 2025.

Round-trip from

£89

One-way from

£51
6/12-13/12
  • 6/12-13/12
  • 2 total stops
  • 17h 35m total
  • Northern Ireland to Ireland
Search Deals
13/2
  • 13/2
  • 1 total stop
  • 9h 50m total
  • Northern Ireland to Ireland
Search Deals

Find 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 7 November 2025.

Sat 6/1212:45BFS - ORK
1 stop9h 30mMultiple Airlines
Sat 13/1222:40ORK - BFS
1 stop8h 05mMultiple Airlines
Deal found 5/11£89
Tue 2/1221:35BFS - DUB
1 stop10h 55mMultiple Airlines
Tue 9/1207:00DUB - BFS
1 stop5h 00mMultiple Airlines
Deal found 4/11£100
Thu 13/1112:45BFS - SNN
1 stop12h 30mMultiple Airlines
Wed 19/1118:55SNN - BFS
1 stop13h 00mMultiple Airlines
Deal found 4/11£102
Tue 2/1218:25BFS - ORK
1 stop12h 55mMultiple Airlines
Wed 3/1218:25ORK - BFS
1 stop14h 45mMultiple Airlines
Deal found 5/11£103
Sat 6/1223:10BFS - DUB
1 stop8h 40mMultiple Airlines
Mon 8/1219:05DUB - BFS
1 stop12h 50mMultiple Airlines
Deal found 4/11£104
Tue 2/1212:15BHD - DUB
1 stop9h 05mMultiple Airlines
Tue 9/1207:00DUB - BHD
1 stop9h 40mMultiple Airlines
Deal found 4/11£108
Thu 4/1221:00BFS - DUB
1 stop10h 05mMultiple Airlines
Thu 11/1221:50DUB - BFS
1 stop9h 35mMultiple Airlines
Deal found 5/11£109
Thu 4/1221:00BFS - ORK
1 stop10h 20mMultiple Airlines
Thu 11/1218:30ORK - BFS
1 stop4h 20mMultiple Airlines
Deal found 6/11£112
Mon 1/1222:20BFS - ORK
1 stop9h 00mMultiple Airlines
Fri 5/1222:20ORK - BFS
1 stop10h 30mMultiple Airlines
Deal found 4/11£113
Fri 12/1218:00BFS - ORK
1 stop4h 45mMultiple Airlines
Sun 14/1221:30ORK - BFS
1 stop9h 20mMultiple Airlines
Deal found 5/11£115
Sat 13/1223:10BFS - DUB
1 stop8h 40mMultiple Airlines
Mon 15/1217:00DUB - BFS
1 stop4h 55mMultiple Airlines
Deal found 6/11£115
Sat 6/1212:40BHD - DUB
1 stop8h 30mMultiple Airlines
Mon 8/1219:30DUB - BHD
1 stop13h 00mMultiple Airlines
Deal found 5/11£119

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 7 November 2025.
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

Sat 6/12

12:45-22:15

1 stop9h 30m

Cork

Sat 13/12

22:40-06:45

1 stop8h 05m

£89

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Tue 2/12

21:35-08:30

1 stop10h 55m

Dublin

Tue 9/12

07:00-12:00

1 stop5h 00m

£100

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Fri 30/1

20:05-07:15

1 stop11h 10m

Dublin

Mon 2/2

06:20-14:55

1 stop8h 35m

£103

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Tue 2/12

18:25-07:20

1 stop12h 55m

Cork

Wed 3/12

18:25-09:10

1 stop14h 45m

£103

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Sat 6/12

23:10-07:50

1 stop8h 40m

Dublin

Mon 8/12

19:05-07:55

1 stop12h 50m

£104

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Fri 30/1

17:55-23:59

1 stop6h 04m

Dublin

Mon 2/2

06:30-16:25

1 stop9h 55m

£108

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Tue 2/12

12:15-21:20

1 stop9h 05m

Dublin

Tue 9/12

07:00-16:40

1 stop9h 40m

£108

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Thu 4/12

21:00-07:05

1 stop10h 05m

Dublin

Thu 11/12

21:50-07:25

1 stop9h 35m

£109

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Thu 4/12

21:00-07:20

1 stop10h 20m

Cork

Thu 11/12

18:30-22:50

1 stop4h 20m

£112

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 1/12

22:20-07:20

1 stop9h 00m

Cork

Fri 5/12

22:20-08:50

1 stop10h 30m

£113

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 49 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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