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Cheap flights from Belfast Intl Airport to the United States from £275

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
11 Jul — 18 Jul1
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 11 June 2026.

Tue 25/811:55
BFS
-
EWR
2 stops32h 04m
Multiple Airlines
Mon 31/817:45
EWR
-
BFS
3 stops24h 20m
Multiple Airlines
Deal found 7/6£529
Tue 25/808:00
BFS
-
JFK
3 stops40h 20m
Multiple Airlines
Sat 29/820:30
JFK
-
BFS
2 stops17h 00m
Multiple Airlines
Deal found 6/6£533
Tue 25/808:00
BFS
-
EWR
3 stops40h 15m
Multiple Airlines
Sat 29/820:25
EWR
-
BFS
2 stops17h 05m
Multiple Airlines
Deal found 6/6£535
Sun 12/706:45
BFS
-
MCO
2 stops32h 55m
Multiple Airlines
Mon 27/720:30
MCO
-
BFS
1 stop21h 50m
Multiple Airlines
Deal found 7/6£540
Tue 25/808:00
BFS
-
JFK
3 stops40h 20m
Multiple Airlines
Mon 31/820:30
JFK
-
BFS
2 stops14h 45m
Multiple Airlines
Deal found 7/6£541
Wed 8/706:10
BFS
-
MCO
1 stop17h 15m
Multiple Airlines
Sun 19/720:30
MCO
-
BFS
1 stop30h 10m
Multiple Airlines
Deal found 10/6£553
Tue 1/920:55
BFS
-
MCO
1 stop26h 30m
Multiple Airlines
Tue 15/922:00
MCO
-
BFS
2 stops13h 20m
Multiple Airlines
Deal found 7/6£557
Thu 1/1021:10
BFS
-
JFK
1 stop23h 45m
Multiple Airlines
Tue 6/1018:20
JFK
-
BFS
1 stop10h 35m
Multiple Airlines
Deal found 8/6£560
Thu 9/708:20
BFS
-
BOS
2 stops18h 25m
Multiple Airlines
Mon 13/723:00
BOS
-
BFS
2 stops18h 15m
Multiple Airlines
Deal found 8/6£560
Mon 13/720:35
BFS
-
MCO
2 stops43h 05m
Multiple Airlines
Mon 27/720:30
MCO
-
BFS
1 stop14h 45m
Multiple Airlines
Deal found 6/6£560
Fri 2/1006:05
BFS
-
JFK
1 stop14h 50m
Multiple Airlines
Tue 6/1018:20
JFK
-
BFS
1 stop10h 35m
Multiple Airlines
Deal found 8/6£562
Thu 1/1021:10
BFS
-
JFK
1 stop23h 45m
Multiple Airlines
Mon 5/1023:10
JFK
-
BFS
2 stops12h 05m
Multiple Airlines
Deal found 8/6£577

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 11 June 2026.

Round-trip from

£529

One-way from

£275

Popular in

May

Cheapest in

January

Average price

£459
25/8-31/8
  • 25/8-31/8
  • 5 total stops
  • 56h 24m total
  • Belfast to USA
Search Deals
18/8
  • 18/8
  • 3 total stops
  • 48h 45m total
  • Belfast to USA
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 11 June 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

Tue 25/8

08:00-19:20

3 stops40h 20m

New York John F Kennedy Intl

Sat 29/8

20:30-18:30

2 stops17h 00m

£533

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Tue 25/8

08:00-19:15

3 stops40h 15m

Newark

Sat 29/8

20:25-18:30

2 stops17h 05m

£535

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Tue 25/8

08:00-19:20

3 stops40h 20m

New York John F Kennedy Intl

Mon 31/8

20:30-16:15

2 stops14h 45m

£541

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Wed 8/7

06:10-18:25

1 stop17h 15m

Orlando

Sun 19/7

20:30-07:40

1 stop30h 10m

£553

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Mon 13/7

20:35-10:40

2 stops43h 05m

Orlando

Mon 27/7

20:30-16:15

1 stop14h 45m

£560

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Thu 1/10

21:10-15:55

1 stop23h 45m

New York John F Kennedy Intl

Mon 5/10

23:10-16:15

2 stops12h 05m

£577

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 13/7

08:40-17:45

1 stop14h 05m

New York John F Kennedy Intl

Sun 26/7

01:00-10:00

2 stops28h 00m

£580

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 28/10

21:00-19:00

3 stops26h 00m

New York John F Kennedy Intl

Sun 1/11

19:25-17:55

2 stops17h 30m

£599

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Sun 12/7

06:45-12:45

2 stops35h 00m

Orlando

Mon 27/7

20:30-22:35

1 stop21h 05m

£602

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 28/10

21:00-16:20

3 stops47h 20m

Newark

Sun 1/11

19:35-17:55

2 stops17h 20m

£616

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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, November is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £362). Flying from Belfast Intl Airport to USA in April is currently the most expensive (average of £462). 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 11 June 2026.
Read through reviews of airlines operating flights from Belfast Intl Airport to the United States, such as Finnair,Aer Lingus, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,405 reviews
Check prices

Overall

7.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.7
Good
1,405 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Overall

7.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Aer Lingus
7.3
Good
1,603 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Overall

7.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
American Airlines
7.1
Good
11,640 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Overall

7.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
8,044 reviews
Finnair
7.7
Good
1,405 reviews
Check prices

Overall

7.7

Boarding

7.7

Entertainment

6.9

Crew

8.2

Comfort

7.4

Food

6.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

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 - Boston Logan Intl, Belfast Intl - Orlando and Belfast Intl - Chicago O'Hare 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, November is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £362). Flying from Belfast Intl Airport to USA in April is currently the most expensive (average of £462). 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

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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 11 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£395Average£665FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£561Average£561FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£1,167Average£1,302FlexibilityNo 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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