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Cheap flights from Belfast Intl Airport to the United States from £243

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags

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 8 January 2026.

Round-trip from

£423

One-way from

£243

Popular in

July

Cheapest in

May

Average price

£420
9/3-15/3
  • 9/3-15/3
  • 4 total stops
  • 31h 55m total
  • Belfast to USA
Search Deals
14/4
  • 14/4
  • 2 total stops
  • 29h 00m total
  • Belfast to USA
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£21 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Belfast Intl to USA

Enter your travel dates to find the best prices.

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 8 January 2026.

Mon 9/308:35BFS - JFK
2 stops14h 25mMultiple Airlines
Sun 15/320:25JFK - BFS
2 stops17h 30mMultiple Airlines
Deal found 7/1£423
Wed 4/207:55BFS - EWR
3 stops34h 30mMultiple Airlines
Wed 11/217:40EWR - BFS
2 stops17h 30mMultiple Airlines
Deal found 6/1£443
Wed 4/206:30BFS - JFK
1 stop14h 25mMultiple Airlines
Wed 11/218:05JFK - BFS
1 stop11h 00mMultiple Airlines
Deal found 6/1£449
Thu 15/106:30BFS - EWR
2 stops16h 55mMultiple Airlines
Wed 28/119:35EWR - BFS
2 stops17h 20mMultiple Airlines
Deal found 8/1£449
Tue 3/206:30BFS - JFK
2 stops16h 30mMultiple Airlines
Tue 10/219:25JFK - BFS
2 stops13h 00mMultiple Airlines
Deal found 6/1£455
Mon 12/122:20BFS - EWR
3 stops46h 10mMultiple Airlines
Sun 22/200:20EWR - BFS
2 stops27h 45mMultiple Airlines
Deal found 8/1£461
Mon 9/307:50BFS - EWR
3 stops34h 45mMultiple Airlines
Sun 15/319:30EWR - BFS
2 stops19h 25mMultiple Airlines
Deal found 7/1£462
Tue 21/421:25BFS - BOS
2 stops23h 10mMultiple Airlines
Sun 26/417:40BOS - BFS
2 stops22h 50mMultiple Airlines
Deal found 6/1£474
Fri 20/206:30BFS - MCO
1 stop17h 10mMultiple Airlines
Fri 27/220:55MCO - BFS
1 stop31h 00mMultiple Airlines
Deal found 6/1£478
Sun 1/220:45BFS - JFK
1 stop24h 10mMultiple Airlines
Wed 4/218:05JFK - BFS
1 stop11h 00mMultiple Airlines
Deal found 7/1£480
Tue 17/209:25BFS - MIA
3 stops46h 45mMultiple Airlines
Sun 1/307:12MIA - BFS
3 stops30h 43mMultiple Airlines
Deal found 6/1£481
Sat 14/208:30BFS - EWR
2 stops34h 05mMultiple Airlines
Mon 16/217:40EWR - BFS
3 stops21h 35mMultiple Airlines
Deal found 8/1£482

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 8 January 2026.
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

Mon 9/3

08:35-19:00

2 stops14h 25m

New York John F Kennedy Intl

Sun 15/3

20:25-17:55

2 stops17h 30m

£423

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 4/2

07:55-13:25

3 stops34h 30m

Newark

Wed 11/2

17:40-16:10

2 stops17h 30m

£443

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 4/2

06:30-15:55

1 stop14h 25m

New York John F Kennedy Intl

Wed 11/2

18:05-10:05

1 stop11h 00m

£449

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Tue 3/2

06:30-18:00

2 stops16h 30m

New York John F Kennedy Intl

Tue 10/2

19:25-13:25

2 stops13h 00m

£455

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Mon 9/3

07:50-14:35

3 stops34h 45m

Newark

Sun 15/3

18:40-18:55

3 stops20h 15m

£467

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Tue 21/4

21:25-15:35

2 stops23h 10m

Boston Logan Intl

Sun 26/4

17:40-21:30

2 stops22h 50m

£474

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Fri 20/2

06:30-18:40

1 stop17h 10m

Orlando

Fri 27/2

20:55-08:55

1 stop31h 00m

£478

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Sun 1/2

20:45-15:55

1 stop24h 10m

New York John F Kennedy Intl

Wed 4/2

18:05-10:05

1 stop11h 00m

£480

BelfastMiami

BFS - MIA

BFSMIA

Belfast Intl

Tue 17/2

09:25-03:10

3 stops46h 45m

Miami

Sun 1/3

07:12-18:55

3 stops30h 43m

£481

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Sat 14/2

08:30-13:35

2 stops34h 05m

Newark

Mon 16/2

17:40-20:15

3 stops21h 35m

£482

Flights are sorted by cheapest return flights first.

Deals found on 5/1

Showing 1-10 of 36 results
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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, June is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £357). Flying from Belfast Intl Airport to USA in December is currently the most expensive (average of £517). 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.

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. 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 USA. Reviews last updated 8 January 2026.
Read through reviews of airlines operating flights from Belfast Intl Airport to the United States, such as KLM, American Airlines, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,434 reviews
Check prices

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.2

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,434 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.2

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
American Airlines
7.2
Good
11,095 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.2

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Aer Lingus
7.2
Good
1,429 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.2

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,657 reviews
KLM
7.7
Good
1,434 reviews
Check prices

Crew

8.4

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Food

7.2

Overall

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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?

    The most popular flight routes from Belfast Intl Airport to USA are Belfast Intl - New York John F Kennedy Intl, Belfast Intl - Newark and Belfast Intl - New York LaGuardia.

  • 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, June is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £357). Flying from Belfast Intl Airport to USA in December is currently the most expensive (average of £517). 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

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Alternative routes for Belfast Intl to USA

See prices for flight routes from nearby airports that may be better suited for you.
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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 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£366Average£578FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£414Average£586FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£596Average£1,039FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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 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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