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Cheap flights from the United States to Northern Ireland from £166

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
23 Dec — 30 Dec1
1 adult

Cheap flight deals from USA to Northern Ireland

Discover tips and strategies to find the most affordable flight options for your journey from USA (US0) to Northern Ireland (GBNIR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

£394

One-way from

£166
19/1-4/2
  • 19/1-4/2
  • 2 total stops
  • 29h 45m total
  • USA to Northern Ireland
Search Deals
17/1
  • 17/1
  • 1 total stop
  • 10h 50m total
  • USA to Northern Ireland
Search Deals

Find flight deals from USA to Northern Ireland

Cheapest flights from USA to Northern Ireland
Explore the most affordable flight options available from USA to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Mon 30/1216:15BOS - BFS
2 stops24h 25mMultiple Airlines
Thu 9/107:40BFS - BOS
2 stops14h 20mMultiple Airlines
Deal found 17/12£591
Mon 30/1218:25BOS - BHD
1 stop11h 05mBritish Airways
Thu 9/106:35BHD - BOS
1 stop12h 25mBritish Airways
Deal found 16/12£607
Mon 30/1218:25BOS - BHD
1 stop11h 05mIberia
Thu 9/109:00BHD - BOS
1 stop17h 55mIberia
Deal found 16/12£712
Mon 30/1219:05BOS - BHD
1 stop16h 45mMultiple Airlines
Thu 9/111:05BHD - BOS
1 stop11h 25mMultiple Airlines
Deal found 17/12£716
Mon 30/1217:50BOS - BHD
2 stops17h 35mAer Lingus
Thu 9/118:50BHD - BOS
2 stops24h 00mAer Lingus
Deal found 17/12£790
Tue 17/1219:45JFK - BHD
2 stops17h 55mMultiple Airlines
Tue 24/1211:30BHD - JFK
2 stops31h 25mMultiple Airlines
Deal found 16/12£946
Mon 30/1212:20BOS - BHD
2 stops23h 30mDelta
Thu 9/106:30BHD - BOS
2 stops18h 34mDelta
Deal found 16/12£980
Tue 17/1216:30EWR - BFS
3 stops25h 05mMultiple Airlines
Tue 24/1207:55BFS - EWR
3 stops42h 05mMultiple Airlines
Deal found 16/12£1,013
Tue 17/1218:15JFK - BFS
1 stop10h 55mMultiple Airlines
Tue 24/1207:30BFS - JFK
2 stops18h 05mMultiple Airlines
Deal found 16/12£1,272
Tue 17/1210:08LAX - BFS
3 stops23h 47mMultiple Airlines
Tue 24/1210:15BFS - LAX
3 stops35h 15mMultiple Airlines
Deal found 16/12£1,313
Sat 21/1220:30BOS - BHD
2 stops15h 20mKLM
Sat 28/1217:20BHD - BOS
1 stop30h 55mKLM
Deal found 17/12£1,451
Thu 26/1222:00JFK - BHD
2 stops13h 25mAer Lingus
Wed 1/107:00BHD - JFK
2 stops17h 25mAer Lingus
Deal found 17/12£1,720

Find flights from USA to Northern Ireland within your budget

Customise your flight search to find flights from USA 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 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 19/1

18:15-13:55

1 stop14h 40m

Belfast Intl

Tue 4/2

05:45-15:50

1 stop15h 05m

£394

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 19/1

18:15-13:30

1 stop14h 15m

Belfast City

Tue 4/2

07:25-15:50

1 stop13h 25m

£395

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sun 26/1

19:30-20:45

2 stops20h 15m

Belfast Intl

Thu 30/1

06:30-08:04

2 stops30h 34m

£480

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 2/3

18:25-10:20

1 stop10h 55m

Belfast City

Fri 7/3

10:10-19:35

1 stop14h 25m

£493

SeattleBelfast

SEA - BFS

SEABFS

Seattle/Tacoma Intl

Thu 30/1

14:35-13:40

2 stops15h 05m

Belfast Intl

Thu 6/2

07:40-17:00

2 stops17h 20m

£495

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 14/1

22:00-16:45

1 stop13h 45m

Belfast City

Tue 21/1

06:35-14:00

1 stop12h 25m

£502

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

Thu 27/3

19:20-20:10

2 stops20h 50m

Belfast Intl

Wed 2/4

09:35-21:05

1 stop16h 30m

£502

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Tue 4/3

17:30-17:00

2 stops18h 30m

Belfast Intl

Sun 9/3

11:00-14:00

2 stops31h 00m

£508

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Wed 26/3

23:00-16:35

1 stop13h 35m

Belfast City

Sat 5/4

09:35-22:35

1 stop18h 00m

£508

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 14/1

20:20-13:35

1 stop12h 15m

Belfast City

Tue 21/1

09:55-21:55

1 stop17h 00m

£513

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 33 results
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Best time to book a flight from USA to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from USA 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 USA to Northern Ireland

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

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

Currently, January is the cheapest month in which you can book a flight from USA to Northern Ireland (average of £67). Flying from USA to Northern Ireland in August 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 US to NIR?

Find hourly flight availability from USA 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 18 December 2024.

When flying from USA 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 18 December 2024.
See what other customers who have flown with British Airways, Delta and KLM from USA to Northern Ireland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very Good
8,604 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus
7.1
Good
1,073 reviews
Delta
8.0
Very Good
8,604 reviews
Check prices

Boarding

8.2

Comfort

7.9

Crew

8.6

Overall

8.0

Food

7.3

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from USA to Northern 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 USA to Northern Ireland one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at £266. British Airways flights start at £344 while deals on Delta start at £377 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from USA to Northern 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 USA to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from USA to Northern Ireland (average of £67). Flying from USA to Northern Ireland in August 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for USA to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Yes! Cheapflights helps users easily find flights from USA to Northern Ireland with no change fees.

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Yes! Start tracking prices for USA to Northern Ireland 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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