In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

If weather is an important factor for your trip to USA, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

How far in advance should I book a flight from Northern Ireland to USA?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 36 days in advance, which can save you up to 122% on flights from Northern Ireland to USA compared to booking the week you need them. Waiting 36 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £426. For sooner than that we have options available in the next 3 days from £1,138.

What is the cheapest month to fly from Northern Ireland to USA?

May is one of the best times of the year to fly to USA from Northern Ireland. Prices for May average £471 per person but you can even find prices for as low as £377. The most expensive prices can be found in the month of July. Opting for a May flight can save you 14% on your journey compared to booking in July

Can I find deals for flights from Northern Ireland to USA that include hotel bookings?

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

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

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

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

Yes. Cheapflights offers flight deals from Northern Ireland to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£256+ Cheap Flights from Northern Ireland to the United States

Cheap flight deals from Northern Ireland to USA

Round-trip from	£327
One-way from	£256
Popular in	July
Cheapest in	May
Average price	£490

2/11-10/11
2 total stops
24h 05m total
Northern Ireland to USA

Search Deals

15/1
1 total stop
26h 00m total
Northern Ireland to USA

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find flight deals from Northern Ireland to USA

Cheapest flights from Northern Ireland to USA
Explore the most affordable flight options available from Northern Ireland to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 août 2025.

dim. 2/1107:20BHD - JFK

1 stop13h 35mMultiple Airlines

lun. 10/1118:05JFK - BHD

1 stop10h 30mMultiple Airlines

Deal found 13/8£327

dim. 2/1120:45BFS - JFK

1 stop24h 10mMultiple Airlines

lun. 10/1118:05JFK - BFS

1 stop11h 00mMultiple Airlines

Deal found 13/8£333

ven. 14/1106:30BFS - JFK

1 stop14h 25mMultiple Airlines

lun. 17/1118:05JFK - BFS

1 stop22h 05mMultiple Airlines

Deal found 12/8£337

sam. 27/918:45BFS - MCO

1 stop28h 40mMultiple Airlines

sam. 4/1020:30MCO - BFS

1 stop30h 15mMultiple Airlines

Deal found 13/8£375

dim. 2/1107:20BHD - EWR

2 stops16h 05mMultiple Airlines

lun. 10/1119:35EWR - BHD

2 stops19h 55mMultiple Airlines

Deal found 13/8£378

lun. 13/1021:00BFS - JFK

2 stops28h 05mMultiple Airlines

ven. 17/1018:20JFK - BFS

1 stop14h 10mMultiple Airlines

Deal found 13/8£385

ven. 19/906:05BFS - JFK

1 stop14h 50mMultiple Airlines

lun. 29/918:20JFK - BFS

1 stop32h 10mMultiple Airlines

Deal found 13/8£390

jeu. 25/921:10BFS - JFK

1 stop23h 45mMultiple Airlines

sam. 27/918:20JFK - BFS

1 stop32h 25mMultiple Airlines

Deal found 14/8£392

lun. 15/906:10BFS - JFK

1 stop14h 45mMultiple Airlines

mer. 1/1018:20JFK - BFS

1 stop21h 15mMultiple Airlines

Deal found 12/8£405

ven. 26/921:05BFS - JFK

1 stop23h 50mMultiple Airlines

ven. 3/1018:20JFK - BFS

1 stop20h 45mMultiple Airlines

Deal found 12/8£406

dim. 28/907:15BFS - JFK

1 stop15h 00mMultiple Airlines

dim. 5/1019:00JFK - BFS

1 stop10h 30mMultiple Airlines

Deal found 14/8£415

ven. 12/906:05BFS - JFK

2 stops18h 15mMultiple Airlines

ven. 19/916:55JFK - BFS

2 stops17h 10mMultiple Airlines

Deal found 14/8£419

Best flights from Northern Ireland to USA
Discover carefully curated flight deals from Northern Ireland to USA that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 août 2025.

dim. 2/1107:20BHD - JFK

1 stop13h 35mMultiple Airlines

lun. 10/1118:05JFK - BHD

1 stop10h 30mMultiple Airlines

Deal found 13/8£327

lun. 12/111:30BHD - JFK

1 stop12h 10mBritish Airways

ven. 16/118:25JFK - BHD

1 stop11h 05mBritish Airways

Deal found 13/8£451

dim. 8/217:20BHD - JFK

1 stop24h 55mKLM

jeu. 12/218:50JFK - BHD

1 stop17h 00mKLM

Deal found 13/8£452

dim. 2/1117:20BHD - JFK

2 stops34h 10mVirgin Atlantic

lun. 10/1121:20JFK - BHD

1 stop14h 30mVirgin Atlantic

Deal found 13/8£459

dim. 8/217:20BHD - JFK

2 stops29h 53mDelta

jeu. 12/218:50JFK - BHD

1 stop17h 00mDelta

Deal found 13/8£460

dim. 24/811:00BHD - MCO

2 stops16h 50mAmerican Airlines

lun. 8/916:26MCO - BHD

2 stops15h 29mAmerican Airlines

Deal found 13/8£599

dim. 2/1107:00BHD - EWR

2 stops14h 15mAer Lingus

jeu. 6/1117:45EWR - BHD

2 stops15h 05mAer Lingus

Deal found 13/8£636

dim. 2/1120:45BFS - JFK

1 stop24h 10mMultiple Airlines

lun. 10/1118:05JFK - BFS

1 stop11h 00mMultiple Airlines

Deal found 13/8£333

sam. 27/918:45BFS - MCO

1 stop28h 40mMultiple Airlines

sam. 4/1020:30MCO - BFS

1 stop30h 15mMultiple Airlines

Deal found 13/8£375

dim. 2/1107:20BHD - EWR

2 stops16h 05mMultiple Airlines

lun. 10/1119:35EWR - BHD

2 stops19h 55mMultiple Airlines

Deal found 13/8£378

dim. 8/217:20BHD - LGA

2 stops30h 08mDelta

jeu. 12/216:00LGA - BHD

2 stops19h 50mDelta

Deal found 13/8£461

dim. 2/1105:30BHD - EWR

1 stop12h 20mBritish Airways

lun. 10/1118:30EWR - BHD

1 stop9h 35mBritish Airways

Deal found 13/8£462

Last-minute flights from Northern Ireland to USA
Discover last-minute flight deals from Northern Ireland to USA. Data last updated 15 août 2025 and is based on user searches.

mer. 20/807:05BHD - JFK

1 stop13h 50mMultiple Airlines

mer. 27/818:20JFK - BHD

1 stop21h 15mMultiple Airlines

Deal found 14/8£712

mer. 20/806:00BFS - JFK

2 stops18h 35mMultiple Airlines

mer. 27/818:20JFK - BFS

2 stops19h 15mMultiple Airlines

Deal found 14/8£718

mer. 20/818:15BHD - JFK

2 stops24h 10mAer Lingus

mer. 27/818:25JFK - BHD

2 stops12h 30mAer Lingus

Deal found 14/8£894

mer. 20/814:25BHD - EWR

2 stops54h 40mAer Lingus

mer. 27/817:35EWR - BHD

2 stops13h 20mAer Lingus

Deal found 14/8£954

mer. 20/806:30BHD - EWR

3 stops35h 45mMultiple Airlines

mer. 27/817:30EWR - BHD

3 stops35h 20mMultiple Airlines

Deal found 14/8£959

mer. 20/813:50BHD - EWR

1 stop10h 35mBritish Airways

mer. 27/817:55EWR - BHD

1 stop9h 55mBritish Airways

Deal found 14/8£1,178

mer. 20/806:30BHD - LGA

2 stops17h 05mDelta

mer. 27/815:00LGA - BHD

2 stops20h 55mDelta

Deal found 14/8£1,495

dim. 24/811:00BHD - MCO

2 stops16h 50mAmerican Airlines

lun. 8/916:26MCO - BHD

2 stops15h 29mAmerican Airlines

Deal found 13/8£599

dim. 24/807:00BHD - MCO

1 stop13h 15mBritish Airways

lun. 8/919:55MCO - BHD

2 stops14h 45mBritish Airways

Deal found 13/8£785

ven. 12/906:05BFS - JFK

2 stops18h 15mMultiple Airlines

ven. 19/916:55JFK - BFS

2 stops17h 10mMultiple Airlines

Deal found 14/8£419

ven. 12/906:05BFS - LGA

2 stops18h 32mMultiple Airlines

ven. 19/915:30LGA - BFS

2 stops18h 35mMultiple Airlines

Deal found 14/8£455

ven. 12/906:35BHD - JFK

1 stop11h 05mMultiple Airlines

ven. 19/909:45JFK - BHD

1 stop18h 05mMultiple Airlines

Deal found 13/8£457

One-way flights from Northern Ireland to USA
Search for one-way flight options from Northern Ireland to USA. Find affordable one-way fares based on user searches. Data last updated 15 août 2025.

jeu. 15/118:55BFS - JFK

1 stop26h 00mMultiple Airlines

Deal found 13/8£256

jeu. 15/119:45BFS - EWR

3 stops46h 50mMultiple Airlines

Deal found 13/8£294

sam. 6/919:35BFS - JFK

2 stops43h 49mMultiple Airlines

Deal found 12/8£305

sam. 6/906:55BHD - JFK

2 stops32h 05mMultiple Airlines

Deal found 12/8£350

sam. 6/918:45BHD - EWR

2 stops26h 20mAer Lingus

Deal found 12/8£479

sam. 6/909:35BHD - EWR

1 stop14h 50mBritish Airways

Deal found 12/8£844

Cheapflights Fare Finder

Use the filters below to find and compare flights from Northern Ireland to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

dim. 2/11

07:20-15:55

1 stop13h 35m

New York John F Kennedy Intl

lun. 10/11

18:05-09:35

1 stop10h 30m

£327

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

dim. 2/11

20:45-15:55

1 stop24h 10m

New York John F Kennedy Intl

lun. 10/11

18:05-10:05

1 stop11h 00m

£333

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

sam. 27/9

18:45-18:25

1 stop28h 40m

Orlando

sam. 4/10

20:30-07:45

1 stop30h 15m

£375

BelfastNewark

BHD - EWR

BHDEWR

Belfast City

dim. 2/11

07:20-18:25

2 stops16h 05m

Newark

lun. 10/11

19:35-20:30

2 stops19h 55m

£378

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

lun. 13/10

21:00-20:05

2 stops28h 05m

New York John F Kennedy Intl

ven. 17/10

18:20-13:30

1 stop14h 10m

£385

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

ven. 19/9

06:05-15:55

1 stop14h 50m

New York John F Kennedy Intl

lun. 29/9

18:20-07:30

1 stop32h 10m

£390

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

jeu. 25/9

21:10-15:55

1 stop23h 45m

New York John F Kennedy Intl

sam. 27/9

18:20-07:45

1 stop32h 25m

£392

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

mer. 17/9

06:10-15:55

1 stop14h 45m

New York John F Kennedy Intl

mer. 24/9

18:20-09:55

1 stop10h 35m

£403

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

dim. 28/9

07:15-17:15

1 stop15h 00m

New York John F Kennedy Intl

dim. 5/10

19:00-10:30

1 stop10h 30m

£415

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

ven. 12/9

06:05-19:20

2 stops18h 15m

New York John F Kennedy Intl

ven. 19/9

16:55-15:05

2 stops17h 10m

£419

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 36 results

Best time to book a flight from Northern Ireland to USA

Have a flexible travel schedule? Discover the best time to fly to USA 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 the United States

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

Currently, January is the cheapest month in which you can book a flight from Northern Ireland to USA (average of £575). Flying from Northern Ireland to USA in July is currently the most expensive (average of £811). 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 NIR to US?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Northern Ireland to USA as you normally would.

Related info for your journey

Can I find deals for flights from Northern Ireland to USA that include hotel bookings?
Yes. In addition to deals on Northern Ireland to USA flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Northern Ireland to USA?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to USA.
Can I find deals for business class flights from Northern Ireland to USA?
Yes. Cheapflights offers flight deals from Northern Ireland to USA 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 USA?
Currently, January is the cheapest month in which you can book a flight from Northern Ireland to USA (average of £575). Flying from Northern Ireland to USA in July is currently the most expensive (average of £811). 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Northern Ireland to USA

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£342	Average£559	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	Cheapest£412	Average£583	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Aer Lingus	Cheapest£593	Average£714	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Northern Ireland to USA. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to USA from Northern Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Northern Ireland to USA with no change fees?

Yes, we can. To see specific flights from Northern Ireland to USA with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Northern Ireland to USA flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Northern Ireland to the United States from £256

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Northern Ireland to USA

Keep the following information in mind while searching for Northern Ireland to USA flight deals. Data was last updated 15 août 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Northern Ireland to USA

Cheapest flights from Northern Ireland to USAExplore the most affordable flight options available from Northern Ireland to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 août 2025.

Explore the most affordable flight options available from Northern Ireland to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 août 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Northern Ireland to the United States that are best for you.

Best time to book a flight from Northern Ireland to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Northern Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to the United States

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

What is the cheapest time of day to fly from NIR to US?

Find hourly flight availability from Northern Ireland to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 août 2025.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to USA. 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 USA that include hotel bookings?

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

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

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

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 USA

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Northern Ireland to USA

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 USA?

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

Can Cheapflights find flights from Northern Ireland to USA with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Northern Ireland to USA
Explore the most affordable flight options available from Northern Ireland to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 août 2025.