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Cheap flights from Belfast Intl Airport to the United States from £222

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
16 Jul — 23 Jul1
1 adult

Cheap flight deals from Belfast Intl to USA

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

Round-trip from

£345

One-way from

£222

Popular in

August

Cheapest in

May

Average price

£539
17/9-24/9
  • 17/9-24/9
  • 2 total stops
  • 34h 25m total
  • Belfast to USA
15/12
  • 15/12
  • 2 total stops
  • 20h 35m total
  • Belfast to USA
Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Belfast Intl to USA

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

Wed 17/921:05BFS - JFK
1 stop23h 50mMultiple Airlines
Wed 24/918:20JFK - BFS
1 stop10h 35mMultiple Airlines
Deal found 11/7£345
Wed 15/1008:15BFS - MCO
1 stop15h 10mMultiple Airlines
Wed 15/1020:30MCO - BFS
1 stop30h 20mMultiple Airlines
Deal found 9/7£376
Mon 11/820:55BFS - MIA
1 stop22h 25mMultiple Airlines
Mon 18/817:15MIA - BFS
1 stop33h 15mMultiple Airlines
Deal found 9/7£511
Sun 24/821:00BFS - EWR
3 stops29h 00mMultiple Airlines
Sun 31/820:25EWR - BFS
3 stops21h 55mMultiple Airlines
Deal found 10/7£626

Cheapflights Fare Finder

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

Fly from

Belfast Intl

Fly to

USA

Route

Depart

Return

Price

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 17/9

21:05-15:55

1 stop23h 50m

New York John F Kennedy Intl

Wed 24/9

18:20-09:55

1 stop10h 35m

£345

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Wed 15/10

08:15-18:25

1 stop15h 10m

Orlando

Wed 15/10

20:30-07:50

1 stop30h 20m

£376

BelfastMiami

BFS - MIA

BFSMIA

Belfast Intl

Mon 11/8

20:55-14:20

1 stop22h 25m

Miami

Mon 18/8

17:15-07:30

1 stop33h 15m

£511

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Sun 24/8

21:00-21:00

3 stops29h 00m

Newark

Sun 31/8

20:25-23:20

3 stops21h 55m

£626

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 15/12

06:55-22:30

2 stops20h 35m

£222

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Fri 26/9

07:15-18:09

3 stops39h 54m

£234

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Mon 18/8

23:45-14:00

3 stops43h 15m

£361

BelfastMiami

BFS - MIA

BFSMIA

Belfast Intl

Wed 13/8

06:10-14:20

1 stop13h 10m

£379

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Best time to book a flight from Belfast Intl to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Belfast Intl 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 Belfast Intl Airport to the United States

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

Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £575). Flying from Belfast Intl Airport 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 BFS to US?

Find hourly flight availability from Belfast Intl 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 11 July 2025.

When flying from Belfast Intl Airport to USA, 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 Belfast Intl to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most popular routes from Belfast Intl Airport to USA?

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £575). Flying from Belfast Intl Airport 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

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Top 3 airlines flying from Belfast Intl to USA

Discover the top 3 airlines that operate flights from Belfast Intl to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£362Average£558FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£411Average£581FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£591Average£713FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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

When you search for this flight from Belfast Intl to USA, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to USA?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast Intl to USA.

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

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to USA from Belfast Intl today and book when prices fit your budget.

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