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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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
4 Jan — 11 Jan1
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 5 December 2025.

Thu 4/1216:50BFS - EWR
2 stops27h 40mMultiple Airlines
Thu 11/1219:35EWR - BFS
2 stops20h 30mMultiple Airlines
Deal found 3/12£620
Sun 14/1206:30BFS - MCO
2 stops21h 32mMultiple Airlines
Wed 17/1211:20MCO - BFS
2 stops27h 00mMultiple Airlines
Deal found 3/12£876
Thu 4/1207:15BFS - JFK
2 stops15h 40mMultiple Airlines
Thu 11/1217:00JFK - BFS
2 stops13h 20mMultiple Airlines
Deal found 3/12£926
Fri 5/1217:30BFS - MCO
2 stops31h 40mMultiple Airlines
Wed 10/1218:59MCO - BFS
1 stop15h 31mMultiple Airlines
Deal found 3/12£1,035
Sat 6/1223:10BFS - MCO
2 stops29h 15mMultiple Airlines
Wed 10/1218:59MCO - BFS
1 stop16h 11mMultiple Airlines
Deal found 3/12£1,082
Fri 5/1217:30BFS - MCO
2 stops31h 40mMultiple Airlines
Tue 9/1217:40MCO - BFS
1 stop15h 30mMultiple Airlines
Deal found 3/12£1,114
Sun 7/1206:30BFS - MCO
2 stops32h 35mMultiple Airlines
Wed 10/1218:59MCO - BFS
1 stop15h 31mMultiple Airlines
Deal found 3/12£1,126
Thu 11/1218:25BFS - DTW
2 stops28h 45mMultiple Airlines
Tue 16/1207:08DTW - BFS
3 stops26h 17mMultiple Airlines
Deal found 4/12£1,137
Thu 4/1219:45BFS - MCO
2 stops32h 40mMultiple Airlines
Wed 10/1218:59MCO - BFS
1 stop16h 11mMultiple Airlines
Deal found 3/12£1,157
Sun 7/1206:30BFS - MCO
2 stops32h 35mMultiple Airlines
Tue 9/1217:40MCO - BFS
1 stop15h 30mMultiple Airlines
Deal found 3/12£1,206
Thu 4/1207:05BFS - MCO
1 stop13h 10mMultiple Airlines
Mon 8/1219:55MCO - BFS
2 stops18h 10mMultiple Airlines
Deal found 3/12£1,210

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 5 December 2025.

Round-trip from

£298

One-way from

£235

Popular in

December

Cheapest in

May

Average price

£567
21/1-23/1
  • 21/1-23/1
  • 2 total stops
  • 57h 50m total
  • Belfast to USA
Search Deals
18/1
  • 18/1
  • 1 total stop
  • 26h 55m total
  • Belfast to USA
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£12 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 December 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 5 December 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

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Wed 21/1

20:50-18:40

1 stop26h 50m

Orlando

Fri 23/1

20:55-08:55

1 stop31h 00m

£298

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Mon 26/1

10:20-18:40

1 stop13h 20m

Orlando

Fri 30/1

20:55-08:55

1 stop31h 00m

£344

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 22/1

06:30-23:27

2 stops21h 57m

Newark

Mon 26/1

00:15-10:05

2 stops28h 50m

£416

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Thu 22/1

06:30-10:28

2 stops32h 58m

New York John F Kennedy Intl

Tue 27/1

18:05-10:05

1 stop11h 00m

£423

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Fri 16/1

06:30-22:00

2 stops44h 30m

Newark

Sun 18/1

00:20-10:05

2 stops28h 45m

£429

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Sat 17/1

10:35-18:40

1 stop13h 05m

Orlando

Sat 24/1

20:55-10:05

1 stop32h 10m

£439

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Sun 18/1

09:25-22:05

2 stops41h 40m

Newark

Sat 24/1

01:35-10:05

2 stops27h 30m

£453

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Sun 18/1

20:45-18:40

1 stop26h 55m

Orlando

Sun 25/1

07:40-10:05

2 stops21h 25m

£472

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Fri 16/1

06:30-15:55

1 stop14h 25m

New York John F Kennedy Intl

Mon 19/1

18:05-10:05

1 stop11h 00m

£481

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Sat 17/1

22:25-20:00

3 stops26h 35m

Boston Logan Intl

Sat 24/1

19:50-22:40

2 stops21h 50m

£567

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 26 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 £361). Flying from Belfast Intl Airport to USA in December is currently the most expensive (average of £444). 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 5 December 2025.

It’s optimal to fly from Belfast Intl Airport to USA at midday. By choosing this option you can save up to 12% 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 5 December 2025.
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
1,432 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Boarding

7.8

Entertainment

7.1

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
1,432 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Boarding

7.8

Entertainment

7.1

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
11,046 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Boarding

7.8

Entertainment

7.1

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
1,385 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Boarding

7.8

Entertainment

7.1

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
7,562 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Crew

8.4

Food

7.2

Comfort

7.6

Overall

7.7

Boarding

7.8

Entertainment

7.1

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 - Orlando, Belfast Intl - Houston Hobby and Belfast Intl - New York John F Kennedy 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 £361). Flying from Belfast Intl Airport to USA in December is currently the most expensive (average of £444). 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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£370Average£577FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£419Average£592FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£583Average£1,051FlexibilityNo 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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