Cheap flights from the United States to Belfast 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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
3 Sep — 10 Sep1
1 adult

Cheap flight deals from USA to Belfast

Keep the following information in mind while searching for USA to Belfast flight deals. Data was last updated 29 August 2025.

Round-trip from

£357

One-way from

£166

Popular in

October

Cheapest in

June

Average price

£551
5/10-21/10
  • 5/10-21/10
  • 2 total stops
  • 25h 15m total
  • USA to Belfast
15/2
  • 15/2
  • 1 total stop
  • 21h 05m total
  • USA to Belfast
Highest demand for flights based on searches. 12% potential increase in price (£72 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£28 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from USA to Belfast

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 29 August 2025.

Sun 5/1018:20JFK - BFS
1 stop10h 35mMultiple Airlines
Tue 21/1006:15BFS - JFK
1 stop14h 40mMultiple Airlines
Deal found 28/8£357
Sun 16/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Tue 9/1208:35BFS - JFK
1 stop12h 20mMultiple Airlines
Deal found 28/8£361
Wed 19/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Tue 9/1207:05BFS - JFK
2 stops19h 55mMultiple Airlines
Deal found 28/8£366
Mon 17/1118:05JFK - BHD
1 stop10h 30mMultiple Airlines
Tue 9/1207:20BHD - JFK
1 stop13h 35mMultiple Airlines
Deal found 28/8£372
Mon 22/918:20JFK - BFS
1 stop10h 35mMultiple Airlines
Wed 8/1008:15BFS - JFK
1 stop12h 40mMultiple Airlines
Deal found 28/8£377
Tue 25/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Wed 3/1206:30BFS - JFK
1 stop14h 25mMultiple Airlines
Deal found 28/8£377
Sun 16/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Wed 10/1206:30BFS - JFK
1 stop14h 25mMultiple Airlines
Deal found 28/8£383
Mon 22/918:20JFK - BHD
1 stop14h 25mMultiple Airlines
Wed 8/1007:05BHD - JFK
1 stop13h 50mMultiple Airlines
Deal found 28/8£386
Wed 22/1018:20JFK - BHD
1 stop20h 15mMultiple Airlines
Wed 5/1107:25BHD - JFK
1 stop13h 30mMultiple Airlines
Deal found 28/8£388
Mon 24/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Wed 3/1206:30BFS - JFK
1 stop14h 25mMultiple Airlines
Deal found 28/8£389
Thu 16/1018:20JFK - BFS
1 stop18h 55mMultiple Airlines
Wed 22/1009:35BFS - JFK
3 stops39h 30mMultiple Airlines
Deal found 28/8£392
Tue 25/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Thu 4/1220:05BFS - JFK
1 stop24h 50mMultiple Airlines
Deal found 28/8£394

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 29 August 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

Wed 26/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Wed 3/12

06:30-15:55

1 stop14h 25m

£357

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 5/10

18:20-09:55

1 stop10h 35m

Belfast Intl

Tue 21/10

06:15-15:55

1 stop14h 40m

£357

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 16/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Tue 9/12

08:35-15:55

1 stop12h 20m

£361

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 17/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Tue 9/12

10:35-22:00

2 stops16h 25m

£361

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 19/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Tue 9/12

08:35-15:55

1 stop12h 20m

£361

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 16/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Thu 11/12

07:05-22:00

2 stops19h 55m

£365

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 19/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Thu 11/12

07:05-22:00

2 stops19h 55m

£366

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Mon 17/11

18:05-09:35

1 stop10h 30m

Belfast City

Tue 9/12

07:20-15:55

1 stop13h 35m

£372

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 22/9

18:20-09:55

1 stop10h 35m

Belfast Intl

Wed 8/10

08:15-15:55

1 stop12h 40m

£377

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 25/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Wed 3/12

06:30-15:55

1 stop14h 25m

£377

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 60 results
1
2
3
...
6

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, January is the cheapest month in which you can book a flight from USA to Belfast (average of £67). Flying from USA to Belfast 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 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 29 August 2025.

When flying from USA to Belfast, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 12h 35m. Fly via American Airlines, British Airways, or Virgin Atlantic 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?

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

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.

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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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.