Find flights
When to book
Airlines
FAQs

Cheap flights from Belfast Intl Airport to the United States from £278

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 10 April 2026.

Wed 3/607:30
BFS
-
JFK
2 stops16h 50m
Multiple Airlines
Wed 10/621:05
JFK
-
BFS
2 stops20h 15m
Multiple Airlines
Deal found 5/4£493
Wed 20/515:40
BFS
-
JFK
2 stops29h 00m
Multiple Airlines
Wed 27/517:10
JFK
-
BFS
2 stops24h 10m
Multiple Airlines
Deal found 5/4£502
Wed 6/508:10
BFS
-
EWR
3 stops34h 05m
Multiple Airlines
Wed 13/517:20
EWR
-
BFS
2 stops24h 00m
Multiple Airlines
Deal found 5/4£502
Wed 20/515:40
BFS
-
EWR
2 stops26h 35m
Multiple Airlines
Wed 27/517:20
EWR
-
BFS
2 stops24h 00m
Multiple Airlines
Deal found 5/4£505
Thu 7/512:45
BFS
-
JFK
2 stops31h 55m
Multiple Airlines
Mon 11/518:55
JFK
-
BFS
2 stops21h 00m
Multiple Airlines
Deal found 8/4£508
Thu 7/512:45
BFS
-
EWR
2 stops29h 30m
Multiple Airlines
Mon 11/517:45
EWR
-
BFS
2 stops16h 50m
Multiple Airlines
Deal found 8/4£509
Sat 2/506:55
BFS
-
EWR
2 stops35h 20m
Multiple Airlines
Sat 9/517:20
EWR
-
BFS
2 stops20h 35m
Multiple Airlines
Deal found 6/4£516
Wed 6/521:50
BFS
-
JFK
2 stops24h 10m
Multiple Airlines
Sun 10/518:55
JFK
-
BFS
2 stops21h 35m
Multiple Airlines
Deal found 6/4£524
Mon 25/508:40
BFS
-
JFK
2 stops36h 00m
Multiple Airlines
Mon 1/617:10
JFK
-
BFS
2 stops17h 25m
Multiple Airlines
Deal found 10/4£525
Mon 20/406:25
BFS
-
JFK
2 stops33h 15m
Multiple Airlines
Mon 4/523:30
JFK
-
BFS
2 stops19h 35m
Multiple Airlines
Deal found 6/4£532
Mon 1/610:50
BFS
-
JFK
2 stops35h 10m
Multiple Airlines
Sun 7/617:10
JFK
-
BFS
3 stops20h 15m
Multiple Airlines
Deal found 10/4£537
Mon 25/508:00
BFS
-
EWR
2 stops34h 15m
Multiple Airlines
Mon 1/617:15
EWR
-
BFS
2 stops24h 50m
Multiple Airlines
Deal found 10/4£541

Find 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 10 April 2026.

Round-trip from

£493

One-way from

£278

Popular in

December

Cheapest in

June

Average price

£546
3/6-10/6
  • 3/6-10/6
  • 4 total stops
  • 37h 05m total
  • Belfast to USA
Search Deals
9/5
  • 9/5
  • 3 total stops
  • 38h 50m total
  • Belfast to USA
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 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 April 2026
Search Deals

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 10 April 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 20/5

15:40-15:40

2 stops29h 00m

New York John F Kennedy Intl

Wed 27/5

17:10-22:20

2 stops24h 10m

£502

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 6/5

08:10-13:15

3 stops34h 05m

Newark

Wed 13/5

17:20-22:20

2 stops24h 00m

£502

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 20/5

15:40-13:15

2 stops26h 35m

Newark

Wed 27/5

17:20-22:20

2 stops24h 00m

£505

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 7/5

12:45-13:15

2 stops29h 30m

Newark

Mon 11/5

17:45-15:35

2 stops16h 50m

£509

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Sat 2/5

06:55-13:15

2 stops35h 20m

Newark

Sat 9/5

17:20-18:55

2 stops20h 35m

£516

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 25/5

08:40-15:40

2 stops36h 00m

New York John F Kennedy Intl

Mon 1/6

17:10-15:35

2 stops17h 25m

£525

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Mon 25/5

08:00-13:15

2 stops34h 15m

Newark

Mon 1/6

17:15-23:05

2 stops24h 50m

£541

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Sat 23/5

06:55-13:15

3 stops35h 20m

Newark

Sat 30/5

17:20-21:30

2 stops23h 10m

£552

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 3/6

20:10-04:15

3 stops37h 05m

New York John F Kennedy Intl

Wed 10/6

15:50-17:05

2 stops20h 15m

£561

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 6/5

08:50-12:50

2 stops33h 00m

Newark

Sun 10/5

20:00-20:55

1 stop19h 55m

£568

Flights are sorted by cheapest return flights first.

Deals found on 10/4

Showing 1-10 of 53 resultsSorted by cheapest first
1
2
3
...
6

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 £350). Flying from Belfast Intl Airport to USA in April is currently the most expensive (average of £556). 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 10 April 2026.
Read through reviews of airlines operating flights from Belfast Intl Airport to the United States, such as KLM,Finnair, andAer Lingus. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,493 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Finnair
7.7
Good
1,383 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Aer Lingus
7.2
Good
1,502 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
American Airlines
7.1
Good
11,568 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,871 reviews
KLM
7.7
Good
1,493 reviews
Check prices

Overall

7.7

Entertainment

7.1

Boarding

7.8

Food

7.3

Comfort

7.6

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 - Orlando.

  • 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 £350). Flying from Belfast Intl Airport to USA in April is currently the most expensive (average of £556). 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.

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 10 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£371Average£629FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£472Average£542FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£1,164Average£1,299FlexibilityNo 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.

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.