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 15 days in advance, which can save you up to 85% on flights from Northern Ireland to USA compared to booking the week you need them. Waiting 15 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 £461. For sooner than that we have options available in the next 3 days from £878.

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

September is one of the best times of the year to fly to USA from Northern Ireland. Prices for September average £523 per person but you can even find prices for as low as £413. The most expensive prices can be found in the month of August. Opting for a September flight can save you 35% on your journey compared to booking in August

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.

£805+ Flights from Northern Ireland to the United States

Cheap flight deals from Northern Ireland to USA

Round-trip from	£423
One-way from	£250

10/1-14/1
4 total stops
49h 40m total
Northern Ireland to USA

Search Deals

26/3
1 total stop
14h 20m total
Northern Ireland to USA

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 18 December 2024.

Tue 31/1206:30BHD - JFK

1 stop17h 50mDelta

Mon 13/114:30JFK - BHD

2 stops21h 20mDelta

Deal found 17/12£536

Tue 31/1213:05BFS - JFK

2 stops28h 20mMultiple Airlines

Mon 13/119:01JFK - BFS

1 stop20h 04mMultiple Airlines

Deal found 17/12£630

Tue 31/1206:30BHD - JFK

3 stops21h 35mMultiple Airlines

Mon 13/116:30JFK - BHD

2 stops19h 20mMultiple Airlines

Deal found 17/12£906

Tue 31/1206:30BHD - JFK

2 stops17h 40mKLM

Mon 13/118:30JFK - BHD

2 stops17h 20mKLM

Deal found 17/12£1,114

Sat 21/1215:05BHD - IAH

1 stop34h 55mAer Lingus

Fri 3/106:19IAH - BHD

2 stops25h 56mAer Lingus

Deal found 16/12£1,329

Sat 21/1210:25BHD - IAH

3 stops33h 45mMultiple Airlines

Fri 3/109:49IAH - BHD

3 stops29h 01mMultiple Airlines

Deal found 16/12£1,501

Sat 21/1217:20BHD - IAH

1 stop26h 15mVirgin Atlantic

Fri 3/115:25IAH - BHD

1 stop23h 35mVirgin Atlantic

Deal found 16/12£2,087

Sat 21/1217:20BHD - IAH

1 stop26h 15mKLM

Fri 3/116:10IAH - BHD

2 stops18h 40mKLM

Deal found 16/12£2,102

Sat 21/1209:10BHD - IAH

2 stops18h 33mBritish Airways

Fri 3/113:35IAH - BHD

2 stops18h 40mBritish Airways

Deal found 16/12£2,185

Sat 21/1206:30BHD - IAH

2 stops20h 10mAmerican Airlines

Fri 3/118:56IAH - BHD

2 stops18h 19mAmerican Airlines

Deal found 16/12£2,192

Sat 21/1206:30BHD - HOU

2 stops21h 38mDelta

Fri 3/115:10HOU - BHD

2 stops23h 50mDelta

Deal found 16/12£2,198

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 18 December 2024.

Fri 10/117:55BFS - JFK

3 stops31h 00mMultiple Airlines

Tue 14/118:15JFK - BFS

1 stop18h 40mMultiple Airlines

Deal found 17/12£423

Tue 14/115:05BHD - JFK

1 stop12h 00mBritish Airways

Tue 21/118:45JFK - BHD

1 stop10h 45mBritish Airways

Deal found 17/12£512

Tue 14/106:30BHD - JFK

1 stop17h 50mVirgin Atlantic

Tue 21/117:50JFK - BHD

1 stop18h 00mVirgin Atlantic

Deal found 16/12£513

Tue 14/106:30BHD - JFK

1 stop11h 58mDelta

Tue 21/116:45JFK - BHD

1 stop19h 05mDelta

Deal found 17/12£514

Wed 8/114:20BHD - JFK

1 stop12h 45mFinnair

Sun 19/122:29JFK - BHD

1 stop13h 21mFinnair

Deal found 17/12£574

Wed 8/109:10BHD - JFK

2 stops15h 19mAer Lingus

Sun 19/121:00JFK - BHD

2 stops16h 40mAer Lingus

Deal found 17/12£619

Mon 13/114:40BHD - LAS

2 stops27h 49mIberia

Tue 21/114:34LAS - BHD

2 stops16h 21mIberia

Deal found 16/12£623

Wed 15/109:10BHD - LAS

2 stops19h 59mAmerican Airlines

Wed 22/118:20LAS - BHD

1 stop14h 15mAmerican Airlines

Deal found 16/12£650

Thu 8/506:30BHD - SEA

1 stop17h 25mKLM

Thu 29/517:35SEA - BHD

1 stop19h 40mKLM

Deal found 17/12£677

Thu 8/506:30BHD - SEA

2 stops24h 55mAir France

Thu 29/517:35SEA - BHD

1 stop19h 45mAir France

Deal found 17/12£687

Tue 14/106:30BHD - JFK

1 stop11h 58mMultiple Airlines

Tue 21/121:20JFK - BHD

1 stop14h 30mMultiple Airlines

Deal found 17/12£498

Mon 13/120:55BFS - LAS

1 stop25h 45mMultiple Airlines

Sun 19/116:45LAS - BFS

1 stop31h 10mMultiple Airlines

Deal found 18/12£523

Last-minute flights from Northern Ireland to USA
Discover last-minute flight deals from Northern Ireland to USA. Data last updated 18 December 2024 and is based on user searches.

Wed 8/114:20BHD - JFK

1 stop12h 45mFinnair

Sun 19/122:29JFK - BHD

1 stop13h 21mFinnair

Deal found 17/12£574

Wed 8/109:10BHD - JFK

2 stops15h 19mAer Lingus

Sun 19/121:00JFK - BHD

2 stops16h 40mAer Lingus

Deal found 17/12£619

Fri 10/117:55BFS - JFK

3 stops31h 00mMultiple Airlines

Tue 14/118:15JFK - BFS

1 stop18h 40mMultiple Airlines

Deal found 17/12£423

Mon 13/120:55BFS - LAS

1 stop25h 45mMultiple Airlines

Sun 19/116:45LAS - BFS

1 stop19h 25mMultiple Airlines

Deal found 17/12£545

Mon 13/114:15BHD - LAS

1 stop32h 25mMultiple Airlines

Sun 19/116:45LAS - BHD

1 stop19h 45mMultiple Airlines

Deal found 17/12£555

Mon 13/114:40BHD - LAS

2 stops27h 49mIberia

Tue 21/114:34LAS - BHD

2 stops16h 21mIberia

Deal found 16/12£623

Mon 13/106:30BHD - LAS

2 stops23h 38mVirgin Atlantic

Tue 21/115:59LAS - BHD

1 stop16h 51mVirgin Atlantic

Deal found 16/12£630

Tue 14/106:30BHD - JFK

1 stop11h 58mMultiple Airlines

Tue 21/121:20JFK - BHD

1 stop14h 30mMultiple Airlines

Deal found 17/12£498

Tue 14/115:05BHD - JFK

1 stop12h 00mBritish Airways

Tue 21/118:45JFK - BHD

1 stop10h 45mBritish Airways

Deal found 17/12£512

Tue 14/106:30BHD - JFK

1 stop17h 50mVirgin Atlantic

Tue 21/117:50JFK - BHD

1 stop18h 00mVirgin Atlantic

Deal found 16/12£513

Tue 14/106:30BHD - JFK

1 stop11h 58mDelta

Tue 21/116:45JFK - BHD

1 stop19h 05mDelta

Deal found 17/12£514

Wed 15/109:10BHD - LAS

2 stops19h 59mAmerican Airlines

Wed 22/118:20LAS - BHD

1 stop14h 15mAmerican Airlines

Deal found 16/12£650

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 18 December 2024.

Wed 26/306:30BFS - JFK

1 stop14h 20mMultiple Airlines

Deal found 17/12£250

Wed 26/307:25BHD - JFK

1 stop13h 25mMultiple Airlines

Deal found 17/12£250

Thu 20/207:40BFS - IAH

2 stops32h 32mMultiple Airlines

Deal found 17/12£298

Wed 26/306:35BHD - JFK

2 stops14h 50mAer Lingus

Deal found 17/12£374

Thu 20/220:00BHD - HOU

2 stops25h 39mBritish Airways

Deal found 17/12£1,469

Find flights from Northern Ireland to USA within your budget

Fly from

Fly to

Route

Depart

Return

Price

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Fri 10/1

17:55-19:55

3 stops31h 00m

New York John F Kennedy Intl

Tue 14/1

18:15-17:55

1 stop18h 40m

£423

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Tue 14/1

06:30-13:28

1 stop11h 58m

New York John F Kennedy Intl

Tue 21/1

21:20-16:50

1 stop14h 30m

£498

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Tue 14/1

15:05-22:05

1 stop12h 00m

New York John F Kennedy Intl

Tue 21/1

18:45-10:30

1 stop10h 45m

£512

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Tue 14/1

06:30-19:20

1 stop17h 50m

New York John F Kennedy Intl

Tue 21/1

17:50-16:50

1 stop18h 00m

£513

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Tue 14/1

06:30-13:28

1 stop11h 58m

New York John F Kennedy Intl

Tue 21/1

16:45-16:50

1 stop19h 05m

£514

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Mon 13/1

20:55-14:40

1 stop25h 45m

Las Vegas Harry Reid Intl

Sun 19/1

16:45-20:10

1 stop19h 25m

£545

BelfastLas Vegas

BHD - LAS

BHDLAS

Belfast City

Mon 13/1

14:15-14:40

1 stop32h 25m

Las Vegas Harry Reid Intl

Sun 19/1

16:45-20:30

1 stop19h 45m

£555

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Wed 8/1

14:20-22:05

1 stop12h 45m

New York John F Kennedy Intl

Sun 19/1

22:29-16:50

1 stop13h 21m

£574

BelfastSeattle

BFS - SEA

BFSSEA

Belfast Intl

Fri 9/5

09:05-20:40

2 stops19h 35m

Seattle/Tacoma Intl

Fri 30/5

19:00-09:20

2 stops30h 20m

£617

BelfastNew York

BHD - JFK

BHDJFK

Belfast City

Wed 8/1

09:10-19:29

2 stops15h 19m

New York John F Kennedy Intl

Sun 19/1

21:00-18:40

2 stops16h 40m

£619

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 30 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.

Travel insights for flights from Northern Ireland to USA

Get recent, data-driven insights about flights from Northern Ireland to USA including ideal travel times, pricing trends, and more.

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 £776). 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.

Rainfall in USA by month

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.

Temperature in USA by month

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).

Reviews of airlines servicing USA

Read through reviews of airlines operating flights from Northern Ireland to USA, such as Finnair, Aer Lingus and KLM. 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.

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

8,604 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,349 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.7

Good

1,285 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.5

Good

668 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,504 reviews

Delta

8.0

Very Good

8,604 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 £776). 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£414	Average£655	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	Cheapest£496	Average£627	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Finnair	Cheapest£581	Average£624	FlexibilityNo cancel fee	On-time76%	Search Finnair 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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Northern Ireland to the United States from £250

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 26/3. 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

Round-trip from

One-way from

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 18 December 2024.

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 18 December 2024.

Find flights from Northern Ireland to USA within your budget

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.

Travel insights for flights from Northern Ireland to USA

Get recent, data-driven insights about flights from Northern Ireland to USA including ideal travel times, pricing trends, and more.

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 18 December 2024.

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 18 December 2024.

Read through reviews of airlines operating flights from Northern Ireland to USA, such as Finnair, Aer Lingus and KLM. 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.

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?

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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 18 December 2024.