Cheap flights from Northern Ireland to Ireland from £59
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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
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 14 June 2025.
Find flight deals from Northern Ireland to Ireland
Cheapest flights from Northern Ireland to IrelandExplore 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 14 June 2025.
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 14 June 2025.
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 14 June 2025.
Use the filters below to find and compare flights from Northern Ireland to Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BelfastDublin
BFS - DUB
BFSDUB
Belfast Intl
Thu 17/7
16:00-13:05
1 stop21h 05m
Dublin
Mon 21/7
15:40-22:20
1 stop6h 40m
BelfastCork
BFS - ORK
BFSORK
Belfast Intl
Mon 14/7
22:45-21:30
1 stop22h 45m
Cork
Wed 16/7
21:30-06:45
1 stop9h 15m
BelfastCork
BFS - ORK
BFSORK
Belfast Intl
Fri 18/7
07:35-07:35
1 stop24h 00m
Cork
Sat 26/7
22:50-06:50
1 stop8h 00m
BelfastDublin
BHD - DUB
BHDDUB
Belfast City
Sat 9/8
16:20-21:10
1 stop4h 50m
Dublin
Mon 11/8
14:05-10:10
1 stop20h 05m
BelfastCork
BHD - ORK
BHDORK
Belfast City
Sun 20/7
07:00-22:15
1 stop15h 15m
Cork
Tue 22/7
05:55-21:10
1 stop15h 15m
LondonderryDublin
LDY - DUB
LDYDUB
Londonderry Eglinton
Thu 24/7
10:45-14:50
1 stop4h 05m
Dublin
Wed 30/7
06:30-15:35
1 stop9h 05m
BelfastShannon
BHD - SNN
BHDSNN
Belfast City
Thu 7/8
07:05-20:35
1 stop13h 30m
Shannon
Wed 13/8
21:15-15:10
1 stop17h 55m
BelfastShannon
BFS - SNN
BFSSNN
Belfast Intl
Thu 7/8
06:10-16:10
1 stop10h 00m
Shannon
Wed 13/8
21:15-07:40
1 stop10h 25m
BelfastDublin
BHD - DUB
BHDDUB
Belfast City
Sat 9/8
18:30-11:45
2 stops17h 15m
Dublin
Mon 11/8
08:45-13:05
1 stop4h 20m
BelfastCork
BHD - ORK
BHDORK
Belfast City
Thu 24/7
18:30-23:45
1 stop5h 15m
Cork
Wed 30/7
07:20-13:00
1 stop5h 40m
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.
Cheapflights Insights
Everything you need to know about your flight from Northern Ireland to Ireland
Rainfall in Ireland by month
Plan your trip to Ireland by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ireland ranges from 49.0 - 79.0 inches per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Ireland when rainfall is around 49.0 mm.
Temperature in Ireland by month
Plan your trip to Ireland by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).
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 14 June 2025.
To help decide which airline to fly from Northern Ireland to Ireland, see what other customers have to say about KLM, Aer Lingus and British Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Boarding
Overall
Comfort
Crew
Food
Reviews
Anonymous,Jun 2025
AMS - BOS
Entertainment
Boarding
Overall
Comfort
Crew
Food
Reviews
Anonymous,Jun 2025
AMS - BOS
Entertainment
Boarding
Overall
Comfort
Crew
Food
Reviews
Anonymous,Jun 2025
AMS - BOS
Entertainment
Boarding
Overall
Comfort
Crew
Food
Reviews
Anonymous,Jun 2025
AMS - BOS
Entertainment
Boarding
Overall
Comfort
Crew
Food
Reviews
Anonymous,Jun 2025
AMS - BOS
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Northern Ireland to Ireland
See prices for flight routes from nearby airports that may be better suited for you.
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 14 June 2025.
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?
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 Ireland from Northern Ireland today with Cheapflights!
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.