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Cheap flights from Belfast Intl Airport to the United States from £248

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — LAX
24 May — 31 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 24 April 2026.

Fri 22/508:55
BFS
-
EWR
2 stops33h 20m
Multiple Airlines
Fri 29/517:45
EWR
-
BFS
2 stops22h 30m
Multiple Airlines
Deal found 22/4£512
Tue 19/507:35
BFS
-
EWR
2 stops34h 40m
Multiple Airlines
Tue 26/517:20
EWR
-
BFS
2 stops16h 55m
Multiple Airlines
Deal found 21/4£523
Mon 1/608:40
BFS
-
EWR
2 stops35h 19m
Multiple Airlines
Fri 5/617:45
EWR
-
BFS
2 stops22h 30m
Multiple Airlines
Deal found 21/4£524
Tue 5/507:35
BFS
-
EWR
2 stops34h 40m
Multiple Airlines
Fri 8/517:45
EWR
-
BFS
2 stops22h 30m
Multiple Airlines
Deal found 20/4£525
Mon 1/608:40
BFS
-
JFK
3 stops36h 00m
Multiple Airlines
Fri 5/617:10
JFK
-
BFS
2 stops23h 05m
Multiple Airlines
Deal found 21/4£532
Wed 3/615:25
BFS
-
JFK
2 stops30h 35m
Multiple Airlines
Wed 10/618:55
JFK
-
BFS
2 stops23h 20m
Multiple Airlines
Deal found 19/4£543
Tue 1/920:55
BFS
-
MCO
1 stop26h 30m
Multiple Airlines
Sun 13/920:30
MCO
-
BFS
1 stop32h 25m
Multiple Airlines
Deal found 24/4£545
Mon 4/515:05
BFS
-
JFK
2 stops26h 35m
Multiple Airlines
Mon 11/519:10
JFK
-
BFS
2 stops23h 55m
Multiple Airlines
Deal found 21/4£560
Wed 6/520:10
BFS
-
JFK
2 stops31h 20m
Multiple Airlines
Thu 28/506:59
JFK
-
BFS
3 stops31h 31m
Multiple Airlines
Deal found 20/4£571
Sun 7/621:05
BFS
-
MCO
1 stop26h 20m
Multiple Airlines
Sun 21/620:30
MCO
-
BFS
1 stop30h 10m
Multiple Airlines
Deal found 21/4£575
Mon 8/608:40
BFS
-
JFK
2 stops15h 40m
Multiple Airlines
Mon 15/616:55
JFK
-
BFS
2 stops12h 05m
Multiple Airlines
Deal found 24/4£576
Tue 5/507:35
BFS
-
JFK
2 stops16h 45m
Multiple Airlines
Fri 8/523:55
JFK
-
BFS
2 stops16h 20m
Multiple Airlines
Deal found 20/4£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 24 April 2026.

Round-trip from

£512

One-way from

£248

Popular in

December

Cheapest in

June

Average price

£543
22/5-29/5
  • 22/5-29/5
  • 4 total stops
  • 55h 50m total
  • Belfast to USA
Search Deals
26/5
  • 26/5
  • 2 total stops
  • 43h 17m total
  • Belfast to USA
Search Deals
High demand for flights, 0% potential price rise
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 24 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

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Tue 19/5

07:35-13:15

2 stops34h 40m

Newark

Tue 26/5

17:20-15:15

2 stops16h 55m

£523

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 3/6

15:25-17:00

2 stops30h 35m

New York John F Kennedy Intl

Wed 10/6

18:55-23:15

2 stops23h 20m

£543

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Tue 5/5

07:35-13:15

3 stops34h 40m

Newark

Fri 8/5

17:45-21:15

2 stops22h 30m

£545

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Tue 1/9

20:55-18:25

1 stop26h 30m

Orlando

Sun 13/9

20:30-09:55

1 stop32h 25m

£545

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Sun 7/6

21:05-18:25

1 stop26h 20m

Orlando

Sun 21/6

20:30-07:40

1 stop30h 10m

£575

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 6/5

08:30-15:30

3 stops36h 00m

Newark

Thu 28/5

14:30-19:30

3 stops24h 00m

£580

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Thu 4/6

06:10-18:25

1 stop17h 15m

Orlando

Thu 11/6

20:30-09:00

1 stop31h 30m

£585

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Fri 5/6

07:05-13:15

2 stops35h 10m

Newark

Fri 12/6

17:45-21:15

2 stops22h 30m

£586

BelfastOrlando

BFS - MCO

BFSMCO

Belfast Intl

Mon 1/6

06:10-18:25

1 stop17h 15m

Orlando

Sat 20/6

20:30-07:45

1 stop30h 15m

£591

BelfastNew York

BFS - LGA

BFSLGA

Belfast Intl

Mon 1/6

06:10-15:58

3 stops38h 48m

New York LaGuardia

Fri 5/6

08:50-21:50

2 stops32h 00m

£598

Flights are sorted by cheapest return flights first.

Deals found on 19/4

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, June is the cheapest month in which you can book a flight from Belfast Intl Airport to USA (average of £341). Flying from Belfast Intl Airport to USA in December is currently the most expensive (average of £443). 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 24 April 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
1,391 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.7

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
1,391 reviews
Finnair
7.7
Good
1,391 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.7

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
1,528 reviews
Finnair
7.7
Good
1,391 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.7

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
11,668 reviews
Finnair
7.7
Good
1,391 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.7

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
7,911 reviews
Finnair
7.7
Good
1,391 reviews
Check prices

Food

6.7

Entertainment

6.9

Boarding

7.7

Crew

8.2

Comfort

7.4

Overall

7.7

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 - Orlando, Belfast Intl - New York John F Kennedy Intl and Belfast Intl - Newark.

  • 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 £341). Flying from Belfast Intl Airport to USA in December is currently the most expensive (average of £443). 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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£369Average£595FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£470Average£586FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£577Average£781FlexibilityNo 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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