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Cheap flights from Belfast Intl Airport to the United States from £273

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
11 Jun — 18 Jun1
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 12 May 2026.

Mon 8/606:10
BFS
-
MCO
1 stop17h 15m
Multiple Airlines
Mon 22/620:30
MCO
-
BFS
1 stop30h 00m
Multiple Airlines
Deal found 9/5£529
Wed 27/513:50
BFS
-
JFK
2 stops30h 50m
Multiple Airlines
Tue 2/617:10
JFK
-
BFS
2 stops17h 05m
Multiple Airlines
Deal found 10/5£534
Sun 24/519:35
BFS
-
MCO
1 stop27h 50m
Multiple Airlines
Mon 8/620:30
MCO
-
BFS
1 stop14h 45m
Multiple Airlines
Deal found 10/5£545
Fri 5/607:05
BFS
-
EWR
3 stops35h 10m
Multiple Airlines
Mon 8/617:45
EWR
-
BFS
2 stops16h 50m
Multiple Airlines
Deal found 10/5£552
Sun 7/607:00
BFS
-
EWR
2 stops35h 15m
Multiple Airlines
Sun 14/617:45
EWR
-
BFS
2 stops24h 25m
Multiple Airlines
Deal found 10/5£553
Tue 2/622:30
BFS
-
EWR
3 stops27h 30m
Multiple Airlines
Tue 9/620:25
EWR
-
BFS
2 stops18h 25m
Multiple Airlines
Deal found 8/5£563
Fri 5/608:55
BFS
-
JFK
3 stops35h 45m
Multiple Airlines
Mon 8/617:10
JFK
-
BFS
2 stops17h 25m
Multiple Airlines
Deal found 10/5£577
Tue 9/622:30
BFS
-
EWR
3 stops27h 30m
Multiple Airlines
Tue 16/607:34
EWR
-
BFS
3 stops31h 16m
Multiple Airlines
Deal found 9/5£577
Tue 25/807:35
BFS
-
JFK
3 stops43h 30m
Multiple Airlines
Sat 29/820:30
JFK
-
BFS
2 stops21h 10m
Multiple Airlines
Deal found 10/5£578
Tue 25/816:55
BFS
-
EWR
3 stops25h 20m
Multiple Airlines
Sat 29/817:20
EWR
-
BFS
2 stops20h 35m
Multiple Airlines
Deal found 10/5£578
Tue 2/608:55
BFS
-
JFK
3 stops35h 45m
Multiple Airlines
Tue 9/618:55
JFK
-
BFS
2 stops22h 50m
Multiple Airlines
Deal found 8/5£584
Thu 4/614:10
BFS
-
JFK
2 stops26h 15m
Multiple Airlines
Mon 8/623:10
JFK
-
BFS
3 stops18h 55m
Multiple Airlines
Deal found 12/5£586

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 12 May 2026.

Round-trip from

£529

One-way from

£273

Popular in

May

Cheapest in

January

Average price

£622
8/6-22/6
  • 8/6-22/6
  • 2 total stops
  • 47h 15m total
  • Belfast to USA
Search Deals
25/5
  • 25/5
  • 2 total stops
  • 35h 20m total
  • Belfast to USA
Search Deals
Highest demand for flights based on searches. 7% 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 May 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 12 May 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

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Mon 8/6

06:10-18:25

1 stop17h 15m

Orlando

Mon 22/6

20:30-07:30

1 stop30h 00m

£529

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Sun 24/5

19:35-18:25

1 stop27h 50m

Orlando

Mon 8/6

20:30-16:15

1 stop14h 45m

£545

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Thu 4/6

14:10-11:25

2 stops26h 15m

New York John F Kennedy Intl

Mon 8/6

23:10-23:05

3 stops18h 55m

£586

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 8/6

21:55-17:00

2 stops24h 05m

New York John F Kennedy Intl

Fri 12/6

17:10-21:15

3 stops23h 05m

£588

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Sun 7/6

14:40-18:25

1 stop32h 45m

Orlando

Sun 21/6

20:30-07:40

1 stop30h 10m

£593

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 4/6

08:20-19:15

2 stops15h 55m

Newark

Mon 8/6

20:25-20:40

2 stops19h 15m

£597

BelfastNew York

BFS - LGA

BFSLGA

Belfast Intl

Wed 27/5

06:15-21:30

3 stops20h 15m

New York LaGuardia

Tue 2/6

15:30-10:40

2 stops14h 10m

£613

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Wed 27/5

21:35-18:25

1 stop25h 50m

Orlando

Fri 12/6

20:30-09:25

1 stop31h 55m

£619

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Mon 8/6

15:35-22:40

1 stop12h 05m

New York John F Kennedy Intl

Mon 22/6

23:30-17:50

1 stop13h 20m

£622

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Sun 27/9

07:00-12:20

2 stops34h 20m

New York John F Kennedy Intl

Wed 30/9

16:30-22:20

3 stops24h 50m

£623

Flights are sorted by cheapest return flights first.

Deals found on 9/5

Showing 1-10 of 58 resultsSorted by cheapest first
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2
3
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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, June is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £338). Flying from Belfast Intl Airport to USA in December is currently the most expensive (average of £439). 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 12 May 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
7.6
Good
1,393 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Comfort

7.4

Crew

8.2

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
7.6
Good
1,393 reviews
Finnair
7.6
Good
1,393 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Comfort

7.4

Crew

8.2

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
1,554 reviews
Finnair
7.6
Good
1,393 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Comfort

7.4

Crew

8.2

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
11,663 reviews
Finnair
7.6
Good
1,393 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Comfort

7.4

Crew

8.2

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
7,975 reviews
Finnair
7.6
Good
1,393 reviews
Check prices

Overall

7.6

Boarding

7.7

Entertainment

6.9

Comfort

7.4

Crew

8.2

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 - New York John F Kennedy Intl, Belfast Intl - Orlando 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 £338). Flying from Belfast Intl Airport to USA in December is currently the most expensive (average of £439). 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 12 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£388Average£614FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£466Average£534FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£1,147Average£1,280FlexibilityNo 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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