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Cheap flights from the United States to Belfast from £171

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
10 jan — 17 jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from USA to Belfast
Explore the most affordable flight options available from USA to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 dezembro 2025.

qua 10/1214:30JFK - BHD
2 stops14h 45mBritish Airways
ter 16/1210:00BHD - JFK
2 stops26h 10mBritish Airways
Deal found 8/12£478
ter 9/1215:35EWR - BHD
2 stops20h 15mDelta
ter 16/1206:30BHD - EWR
2 stops17h 34mDelta
Deal found 8/12£482
qui 11/1210:15JFK - BHD
1 stop16h 15mBritish Airways
ter 16/1210:00BHD - JFK
1 stop15h 05mBritish Airways
Deal found 10/12£494
qua 10/1210:15JFK - BHD
1 stop17h 00mBritish Airways
qua 17/1212:25BHD - JFK
1 stop14h 40mBritish Airways
Deal found 8/12£510
qua 10/1217:00LGA - BHD
2 stops23h 00mDelta
ter 16/1206:30BHD - LGA
2 stops19h 14mDelta
Deal found 8/12£512
qua 10/1214:55JFK - BHD
2 stops14h 20mBritish Airways
qui 18/1211:05BHD - JFK
1 stop15h 00mBritish Airways
Deal found 8/12£528
qui 11/1210:15JFK - BHD
1 stop16h 15mBritish Airways
qui 18/1211:05BHD - JFK
1 stop16h 00mBritish Airways
Deal found 8/12£548
qua 10/1217:00LGA - BHD
2 stops23h 00mDelta
seg 15/1206:30BHD - LGA
2 stops17h 02mDelta
Deal found 8/12£550
sáb 20/1219:10JFK - BHD
1 stop11h 00mAmerican Airlines
dom 4/115:10BHD - JFK
1 stop11h 55mAmerican Airlines
Deal found 9/12£585
qui 11/1216:25JFK - BFS
2 stops19h 35mMultiple Airlines
dom 14/1223:05BFS - JFK
2 stops28h 25mMultiple Airlines
Deal found 8/12£610
qui 11/1217:25EWR - BHD
2 stops20h 25mBritish Airways
dom 14/1209:10BHD - EWR
2 stops18h 31mBritish Airways
Deal found 8/12£616
qua 10/1217:00LGA - BHD
2 stops23h 00mDelta
qua 17/1206:30BHD - LGA
2 stops20h 26mDelta
Deal found 8/12£625

Find flight deals from USA to Belfast

Keep the following information in mind while searching for USA to Belfast flight deals. Data was last updated 11 dezembro 2025.

Round-trip from

£395

One-way from

£171

Popular in

April

Cheapest in

November
11/1-27/1
  • 11/1-27/1
  • 2 total stops
  • 38h 00m total
  • USA to Belfast
Search Deals
20/1
  • 20/1
  • 2 total stops
  • 51h 30m total
  • USA to Belfast
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£112 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from USA to Belfast 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 11 dezembro 2025.
Use the filters below to find and compare flights from the United States to Belfast that are best for you.

Fly from

USA

Fly to

Belfast

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

dom 11/1

18:05-21:55

1 stop22h 50m

Belfast Intl

ter 27/1

05:45-15:55

1 stop15h 10m

£395

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

qua 14/1

18:15-09:10

1 stop9h 55m

Belfast City

seg 19/1

19:25-11:20

1 stop20h 55m

£401

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

qua 18/3

20:10-14:15

1 stop14h 05m

Belfast City

sex 27/3

08:45-18:15

1 stop13h 30m

£401

NewarkBelfast

EWR - BHD

EWRBHD

Newark

qua 11/3

19:30-10:15

1 stop10h 45m

Belfast City

qua 18/3

11:25-20:35

1 stop13h 10m

£401

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

qua 7/1

19:50-15:30

2 stops14h 40m

Belfast Intl

qua 14/1

08:20-17:50

2 stops14h 30m

£402

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

qua 11/3

13:59-09:10

2 stops15h 11m

Belfast City

qua 18/3

09:15-17:00

1 stop11h 45m

£409

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

ter 17/3

00:20-18:40

1 stop14h 20m

Belfast City

seg 23/3

19:25-12:20

1 stop20h 55m

£411

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

dom 29/3

18:30-09:05

1 stop9h 35m

Belfast City

qua 8/4

10:00-21:00

1 stop16h 00m

£412

NewarkBelfast

EWR - BHD

EWRBHD

Newark

dom 11/1

21:35-13:55

1 stop11h 20m

Belfast City

ter 27/1

11:25-19:35

1 stop13h 10m

£413

NewarkBelfast

EWR - BHD

EWRBHD

Newark

qua 14/1

18:30-09:10

1 stop9h 40m

Belfast City

seg 19/1

19:25-22:59

2 stops32h 34m

£413

Flights are sorted by cheapest return flights first.

Deals found on 8/12

Showing 1-10 of 59 results
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Best time to book a flight from USA to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast 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.

Cheapflights Insights

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

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

Currently, September is the cheapest month in which you can book a flight from USA to Belfast (average of £401). Flying from USA to Belfast in November is currently the most expensive (average of £521). 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 BFS?

Find hourly flight availability from USA to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 dezembro 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 34% on flights from USA to Belfast by exploring options for tickets at midday.

Related info for your journey

Find useful and relevant information for your journey from USA to Belfast. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from USA to Belfast?

    There are many flights that can get you from USA to Belfast in 9h 55m. Fly via British Airways, American Airlines, or Delta to get the fastest option. USA and Belfast are separated by a distance of 3167 mi. This flight may include one or multiple stops.

  • What are the most popular routes from USA to Belfast?

    When deciding which route to take from USA to Belfast consider New York John F Kennedy Intl - Belfast Intl, New York John F Kennedy Intl - Belfast City or Newark - Belfast Intl as they are the most popular.

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

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

  • How can I find direct flights from USA to Belfast?

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

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

    Yes. Cheapflights offers flight deals from USA to Belfast 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 Belfast?

    Currently, September is the cheapest month in which you can book a flight from USA to Belfast (average of £401). Flying from USA to Belfast in November is currently the most expensive (average of £521). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for USA to Belfast

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

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How does Cheapflights help users find flights from USA to Belfast?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from USA to Belfast. 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 USA to Belfast?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from USA to Belfast for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Belfast from USA 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 USA to Belfast become cheaper?

Of course! You can now track prices for flights from USA to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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