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Cheap flights from Belfast Intl Airport to the United States from £235

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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 14 November 2025.

Tue 9/1220:55BFS - JFK
3 stops25h 55mMultiple Airlines
Thu 11/1219:25JFK - BFS
2 stops17h 10mMultiple Airlines
Deal found 13/11£438
Sun 7/1220:45BFS - JFK
1 stop24h 10mMultiple Airlines
Wed 10/1218:05JFK - BFS
1 stop11h 00mMultiple Airlines
Deal found 13/11£461
Thu 27/1109:05BFS - JFK
2 stops13h 55mMultiple Airlines
Wed 10/1219:25JFK - BFS
2 stops15h 45mMultiple Airlines
Deal found 12/11£505
Thu 27/1109:05BFS - EWR
2 stops14h 20mMultiple Airlines
Wed 10/1219:35EWR - BFS
2 stops15h 35mMultiple Airlines
Deal found 12/11£505
Tue 9/1208:35BFS - EWR
2 stops18h 35mMultiple Airlines
Thu 11/1219:35EWR - BFS
2 stops17h 00mMultiple Airlines
Deal found 13/11£532
Sun 7/1207:30BFS - EWR
3 stops34h 55mMultiple Airlines
Wed 10/1218:30EWR - BFS
2 stops16h 40mMultiple Airlines
Deal found 13/11£544
Tue 18/1120:55BFS - JFK
2 stops25h 55mMultiple Airlines
Tue 25/1122:05JFK - BFS
2 stops18h 45mMultiple Airlines
Deal found 13/11£611
Wed 10/1220:50BFS - MIA
2 stops27h 05mMultiple Airlines
Tue 16/1216:40MIA - BFS
3 stops24h 25mMultiple Airlines
Deal found 13/11£683
Tue 18/1106:30BFS - EWR
2 stops14h 45mMultiple Airlines
Tue 25/1117:45EWR - BFS
2 stops11h 35mMultiple Airlines
Deal found 13/11£774
Mon 15/1208:35BFS - EWR
2 stops18h 35mMultiple Airlines
Tue 16/1219:35EWR - BFS
2 stops21h 05mMultiple Airlines
Deal found 13/11£798
Mon 15/1206:30BFS - EWR
2 stops20h 35mMultiple Airlines
Wed 17/1223:00EWR - BFS
1 stop13h 55mMultiple Airlines
Deal found 13/11£926
Sun 28/1209:25BFS - FLL
2 stops27h 36mMultiple Airlines
Sun 4/107:30FLL - BFS
3 stops24h 40mMultiple Airlines
Deal found 13/11£1,086

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 14 November 2025.

Round-trip from

£397

One-way from

£235

Popular in

December

Cheapest in

May

Average price

£490
16/3-20/3
  • 16/3-20/3
  • 2 total stops
  • 41h 55m total
  • Belfast to USA
Search Deals
11/3
  • 11/3
  • 1 total stop
  • 14h 25m total
  • Belfast to USA
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 14 November 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

Mon 16/3

14:15-16:55

1 stop30h 40m

New York John F Kennedy Intl

Fri 20/3

19:05-10:20

1 stop11h 15m

£397

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Thu 8/1

18:55-15:55

1 stop26h 00m

New York John F Kennedy Intl

Wed 21/1

18:05-22:20

1 stop23h 15m

£437

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Tue 9/12

06:50-17:50

2 stops16h 00m

New York John F Kennedy Intl

Thu 11/12

19:25-17:35

2 stops17h 10m

£438

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Sun 7/12

20:45-15:55

1 stop24h 10m

New York John F Kennedy Intl

Wed 10/12

18:05-10:05

1 stop11h 00m

£461

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Thu 27/11

09:05-18:00

2 stops13h 55m

New York John F Kennedy Intl

Wed 10/12

19:25-16:10

2 stops15h 45m

£505

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 27/11

09:05-18:25

2 stops14h 20m

Newark

Wed 10/12

19:35-16:10

2 stops15h 35m

£505

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Tue 9/12

08:35-22:10

2 stops18h 35m

Newark

Thu 11/12

19:35-17:35

2 stops17h 00m

£532

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 8/1

07:00-13:35

3 stops35h 35m

Newark

Wed 21/1

18:30-22:10

3 stops22h 40m

£533

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Sun 7/12

07:30-13:25

3 stops34h 55m

Newark

Wed 10/12

18:30-16:10

2 stops16h 40m

£544

BelfastMiami

BFS - MIA

BFSMIA

Belfast Intl

Wed 7/1

14:15-17:30

2 stops32h 15m

Miami

Sun 11/1

05:45-18:55

3 stops32h 10m

£599

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 28 results
1
2
3

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 £366). Flying from Belfast Intl Airport to USA in December is currently the most expensive (average of £445). 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 14 November 2025.

It’s optimal to fly from Belfast Intl Airport to USA at midday. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the afternoon.

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 14 November 2025.
Read through reviews of airlines operating flights from Belfast Intl Airport to the United States, such as KLM, Finnair, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Finnair
7.6
Good
1,334 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
American Airlines
7.2
Good
11,051 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,370 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,521 reviews
KLM
7.7
Good
1,411 reviews
Check prices

Entertainment

7.1

Crew

8.4

Overall

7.7

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 - Miami, Belfast Intl - New York John F Kennedy Intl and Belfast Intl - Las Vegas Harry Reid Intl.

  • 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 £366). Flying from Belfast Intl Airport to USA in December is currently the most expensive (average of £445). 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£375Average£586FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£425Average£600FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£611Average£1,062FlexibilityNo 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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