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Cheap flights from Northern Ireland to Ireland from £64

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.
BFS — DUB
16 Jul — 23 Jul1
1 adult

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 11 July 2025.

Round-trip from

£108

One-way from

£64
25/8-1/9
  • 25/8-1/9
  • 2 total stops
  • 10h 30m total
  • Northern Ireland to Ireland
Search Deals
25/8
  • 25/8
  • 1 total stop
  • 7h 10m total
  • Northern Ireland to Ireland
Search Deals

Find flight deals from Northern Ireland to Ireland

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 11 July 2025.

Mon 25/808:10BFS - DUB
1 stop7h 10mMultiple Airlines
Mon 1/907:10DUB - BFS
1 stop3h 20mMultiple Airlines
Deal found 11/7£108
Mon 25/823:45BFS - ORK
1 stop9h 15mMultiple Airlines
Mon 1/913:40ORK - BFS
1 stop8h 40mMultiple Airlines
Deal found 11/7£119
Sat 23/808:35BFS - ORK
1 stop13h 50mRyanair
Sat 30/822:50ORK - BFS
1 stop8h 00mRyanair
Deal found 9/7£130
Thu 28/817:10BHD - DUB
1 stop4h 20mMultiple Airlines
Mon 1/906:30DUB - BHD
1 stop6h 20mMultiple Airlines
Deal found 10/7£138
Sun 27/722:55BFS - SNN
1 stop16h 15mMultiple Airlines
Thu 31/720:15SNN - BFS
1 stop10h 55mMultiple Airlines
Deal found 11/7£149
Fri 5/918:00BHD - ORK
1 stop13h 35mMultiple Airlines
Thu 11/920:55ORK - BHD
2 stops20h 45mMultiple Airlines
Deal found 10/7£193
Thu 28/806:35BHD - DUB
1 stop11h 25mBritish Airways
Mon 1/920:55DUB - BHD
1 stop11h 55mBritish Airways
Deal found 10/7£196
Sun 27/707:30BHD - SNN
1 stop5h 10mMultiple Airlines
Thu 31/708:45SNN - BHD
1 stop8h 55mMultiple Airlines
Deal found 11/7£203
Thu 14/806:35BHD - SNN
1 stop4h 45mBritish Airways
Wed 20/821:15SNN - BHD
1 stop11h 35mBritish Airways
Deal found 10/7£278
Mon 11/818:25BHD - ORK
1 stop16h 20mBritish Airways
Mon 18/820:30ORK - BHD
1 stop12h 20mBritish Airways
Deal found 10/7£285
Mon 11/817:25BHD - ORK
1 stop5h 05mKLM
Mon 18/815:45ORK - BHD
2 stops29h 30mKLM
Deal found 10/7£400
Sun 27/707:30BHD - SNN
3 stops13h 05mAer Lingus
Thu 31/721:15SNN - BHD
3 stops19h 10mAer Lingus
Deal found 11/7£926

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 11 July 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

BelfastDublin

BFS - DUB

BFSDUB

Belfast Intl

Mon 25/8

08:10-15:20

1 stop7h 10m

Dublin

Mon 1/9

07:10-10:30

1 stop3h 20m

£108

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Mon 25/8

23:45-09:00

1 stop9h 15m

Cork

Mon 1/9

13:40-22:20

1 stop8h 40m

£119

BelfastCork

BFS - ORK

BFSORK

Belfast Intl

Sat 23/8

08:35-22:25

1 stop13h 50m

Cork

Sat 30/8

22:50-06:50

1 stop8h 00m

£130

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 28/8

17:10-21:30

1 stop4h 20m

Dublin

Mon 1/9

06:30-12:50

1 stop6h 20m

£138

BelfastShannon

BFS - SNN

BFSSNN

Belfast Intl

Sun 27/7

22:55-15:10

1 stop16h 15m

Shannon

Thu 31/7

20:15-07:10

1 stop10h 55m

£149

BelfastCork

BHD - ORK

BHDORK

Belfast City

Fri 5/9

18:00-07:35

1 stop13h 35m

Cork

Thu 11/9

20:55-17:40

2 stops20h 45m

£193

BelfastDublin

BHD - DUB

BHDDUB

Belfast City

Thu 28/8

06:35-18:00

1 stop11h 25m

Dublin

Mon 1/9

20:55-08:50

1 stop11h 55m

£196

BelfastShannon

BHD - SNN

BHDSNN

Belfast City

Sun 27/7

07:30-12:40

1 stop5h 10m

Shannon

Thu 31/7

08:45-17:40

1 stop8h 55m

£203

BelfastShannon

BHD - SNN

BHDSNN

Belfast City

Thu 14/8

06:35-11:20

1 stop4h 45m

Shannon

Wed 20/8

21:15-08:50

1 stop11h 35m

£278

BelfastCork

BHD - ORK

BHDORK

Belfast City

Mon 11/8

18:25-10:45

1 stop16h 20m

Cork

Mon 18/8

20:30-08:50

1 stop12h 20m

£285

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 22 results
1
2
3

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.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ireland. Reviews last updated 11 July 2025.
Get a feel of what it's like to fly with KLM, Aer Lingus, andBritish Airways from Northern Ireland to Ireland by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,372 reviews
Check prices

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Aer Lingus
7.1
Good
1,154 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,109 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Ryanair
6.1
Okay
KLM
7.8
Good
1,372 reviews
Check prices

Comfort

7.7

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • What are the cheapest airlines to fly from Northern Ireland to Ireland one-way?

    The cheapet airlines for a one-way flight from Northern Ireland to Ireland are Aer Lingus (£89), British Airways (£195), and Loganair (£483).

  • 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.

  • What is the cheapest month to book a flight from Northern Ireland to Ireland?

    Currently, January is the cheapest month in which you can book a flight from Northern Ireland to Ireland (average of £71). Flying from Northern Ireland to Ireland in August is currently the most expensive (average of £93). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Northern Ireland to Ireland

Discover the top airline that operate flights from Northern Ireland to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£235Average£334FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

Millions of users choose and trust Cheapflights to book the best flight deals from Northern Ireland to Ireland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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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