Cheap flights from North America to Northern Ireland from £145
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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from North America to Northern Ireland
Keep the following information in mind while searching for North America to Northern Ireland flight deals. Data was last updated 13 June 2025.
Find flight deals from North America to Northern Ireland
Cheapest flights from North America to Northern IrelandExplore the most affordable flight options available from North America to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.
Explore the most affordable flight options available from North America to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from North America 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 13 June 2025.
Use the filters below to find and compare flights from North America to Northern Ireland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
New YorkBelfast
JFK - BFS
JFKBFS
New York John F Kennedy Intl
Tue 16/9
18:20-09:55
1 stop10h 35m
Belfast Intl
Mon 22/9
20:55-15:55
1 stop24h 00m
New YorkBelfast
JFK - BHD
JFKBHD
New York John F Kennedy Intl
Sun 3/8
00:50-16:55
1 stop11h 05m
Belfast City
Wed 20/8
17:25-22:50
1 stop10h 25m
New YorkBelfast
JFK - BHD
JFKBHD
New York John F Kennedy Intl
Sun 3/8
00:50-21:15
1 stop15h 25m
Belfast City
Wed 20/8
17:25-22:50
1 stop10h 25m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Wed 10/9
20:15-16:55
1 stop15h 40m
Belfast City
Thu 18/9
06:30-13:40
1 stop12h 10m
TorontoBelfast
YYZ - BFS
YYZBFS
Toronto Pearson Intl
Wed 9/7
22:15-23:10
1 stop19h 55m
Belfast Intl
Wed 16/7
21:10-14:10
1 stop22h 00m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Mon 8/9
20:50-16:55
2 stops15h 05m
Belfast City
Tue 16/9
06:30-18:25
1 stop16h 55m
New YorkBelfast
JFK - BHD
JFKBHD
New York John F Kennedy Intl
Tue 16/9
18:20-13:45
1 stop14h 25m
Belfast City
Mon 22/9
07:05-15:55
1 stop13h 50m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Wed 27/8
19:45-11:55
1 stop11h 10m
Belfast City
Wed 3/9
16:05-22:45
1 stop11h 40m
BostonBelfast
BOS - BHD
BOSBHD
Boston Logan Intl
Wed 10/9
20:50-16:55
2 stops15h 05m
Belfast City
Thu 18/9
06:30-16:11
2 stops14h 41m
New YorkBelfast
JFK - BHD
JFKBHD
New York John F Kennedy Intl
Mon 15/9
00:50-21:15
1 stop15h 25m
Belfast City
Mon 22/9
06:30-22:50
1 stop21h 20m
Best time to book a flight from North America to Northern Ireland
Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from North America with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from North America to Northern Ireland
What is the cheapest month to book a flight from North America to Northern Ireland?
Currently, January is the cheapest month in which you can book a flight from North America to Northern Ireland (average of £67). Flying from North America to Northern Ireland in July is currently the most expensive (average of £90). 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.
What is the cheapest time of day to fly from NA to NIR?
Find hourly flight availability from North America to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.
When flying from North America to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Northern Ireland by month
Plan your trip to Northern Ireland by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Northern Ireland ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Northern Ireland when rainfall is around 50.0 mm.
Temperature in Northern Ireland by month
Plan your trip to Northern Ireland by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Northern 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 Northern Ireland
Get insights into the airlines that provide service to Northern 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 Northern Ireland. Reviews last updated 13 June 2025.
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Boarding
Comfort
Food
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from North America to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for North America to Northern Ireland
See prices for flight routes from nearby airports that may be better suited for you.
Fly with Cheapflights
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How does Cheapflights help users find flights from North America to Northern Ireland?
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Why should you use Cheapflights to find cheap flight tickets from North America to Northern Ireland?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from North America to Northern Ireland.
Can Cheapflights find flights from North America to Northern Ireland with no change fees?
Certainly. Search results for flights to Northern Ireland from North America shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from North America to Northern Ireland become cheaper?
Not ready to book yet? You can track prices for flights from North America to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.