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Cheap flights from Belfast Intl Airport to the United States from £238

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 20/6. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
20 Apr — 27 Apr1
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 15 April 2025.

Round-trip from

£392

One-way from

£238

Popular in

August

Cheapest in

September

Average price

£553

Good round-trip deal

£569 or less
8/5-12/5
  • 8/5-12/5
  • 4 total stops
  • 46h 35m total
  • Belfast to USA
20/6
  • 20/6
  • 1 total stop
  • 16h 35m total
  • Belfast to USA
Highest demand for flights based on searches. 13% potential increase in price (£58 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Belfast Intl to USA.

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 15 April 2025.

Wed 3/1206:00BFS - SWF
2 stops16h 05mMultiple Airlines
Sun 7/1218:15SWF - BFS
2 stops19h 00mMultiple Airlines
Deal found 15/4£373
Wed 7/521:05BFS - MCO
1 stop26h 20mMultiple Airlines
Sun 11/520:40MCO - BFS
1 stop32h 15mMultiple Airlines
Deal found 14/4£398
Thu 8/506:00BFS - JFK
2 stops34h 55mMultiple Airlines
Sun 11/518:20JFK - BFS
1 stop10h 35mMultiple Airlines
Deal found 15/4£399
Sun 4/507:00BFS - BOS
2 stops15h 50mMultiple Airlines
Mon 12/519:15BOS - BFS
2 stops22h 45mMultiple Airlines
Deal found 14/4£402
Fri 25/407:35BFS - LAX
2 stops43h 30mMultiple Airlines
Sun 27/419:45LAX - BFS
2 stops19h 35mMultiple Airlines
Deal found 15/4£568
Mon 21/406:10BFS - ATL
2 stops30h 50mMultiple Airlines
Mon 28/408:15ATL - BFS
3 stops29h 30mMultiple Airlines
Deal found 14/4£692
Sat 6/1207:00BFS - EWR
2 stops20h 10mMultiple Airlines
Fri 26/1208:55EWR - BFS
3 stops30h 40mMultiple Airlines
Deal found 15/4£853

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 15 April 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 Windsor

BFS - SWF

BFSSWF

Belfast Intl

Thu 8/5

19:00-18:05

2 stops28h 05m

New Windsor Stewart

Mon 12/5

19:15-18:45

2 stops18h 30m

£392

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Wed 7/5

21:05-18:25

1 stop26h 20m

Orlando

Sun 11/5

20:40-09:55

1 stop32h 15m

£398

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Thu 8/5

06:00-11:55

2 stops34h 55m

New York John F Kennedy Intl

Sun 11/5

18:20-09:55

1 stop10h 35m

£399

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sun 4/5

07:00-17:50

2 stops15h 50m

Boston Logan Intl

Mon 12/5

19:15-23:00

2 stops22h 45m

£402

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Fri 25/4

07:35-19:05

2 stops43h 30m

Los Angeles

Sun 27/4

19:45-23:20

2 stops19h 35m

£568

BelfastAtlanta

BFS - ATL

BFSATL

Belfast Intl

Mon 7/7

08:20-15:20

2 stops36h 00m

Atlanta Hartsfield-Jackson

Fri 11/7

07:30-20:05

2 stops31h 35m

£796

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Fri 20/6

10:55-22:30

1 stop16h 35m

£238

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Fri 20/6

06:05-15:55

1 stop14h 50m

£260

BelfastChicago

BFS - ORD

BFSORD

Belfast Intl

Sun 8/6

07:15-06:32

3 stops53h 17m

£266

BelfastSeattle

BFS - SEA

BFSSEA

Belfast Intl

Thu 12/6

06:00-20:28

2 stops22h 28m

£305

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 14 results
1
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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 15 April 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.

Rainfall in USA by month

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

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

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 airline flying from Belfast Intl to USA

Discover the top airline 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£373Average£585FlexibilityNo cancel feeOn-time70%
Search British Airways 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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