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Cheap flights from Belfast to the United States from £274

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LAX
13 Aug — 20 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to USA

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to USA
Explore the most affordable flight options available from Belfast to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2026.

Tue 25/808:50
BFS
-
JFK
3 stops39h 30m
Multiple Airlines
Tue 1/920:30
JFK
-
BFS
2 stops19h 35m
Multiple Airlines
Deal found 10/7£503
Mon 24/806:40
BFS
-
EWR
3 stops20h 00m
Multiple Airlines
Tue 8/920:25
EWR
-
BFS
2 stops21h 55m
Multiple Airlines
Deal found 9/7£523
Fri 9/1006:05
BFS
-
JFK
1 stop14h 50m
Multiple Airlines
Sun 11/1000:10
JFK
-
BFS
2 stops19h 05m
Multiple Airlines
Deal found 12/7£525
Sat 5/906:00
BFS
-
JFK
1 stop14h 55m
Multiple Airlines
Fri 11/918:20
JFK
-
BFS
1 stop14h 30m
Multiple Airlines
Deal found 12/7£528
Tue 13/1020:10
BFS
-
JFK
3 stops31h 15m
Multiple Airlines
Tue 20/1020:30
JFK
-
BFS
3 stops18h 20m
Multiple Airlines
Deal found 13/7£529
Wed 2/905:55
BFS
-
JFK
1 stop15h 00m
Multiple Airlines
Fri 11/918:20
JFK
-
BFS
1 stop14h 30m
Multiple Airlines
Deal found 12/7£531
Thu 3/906:35
BFS
-
JFK
1 stop14h 20m
Multiple Airlines
Fri 11/918:20
JFK
-
BFS
1 stop14h 30m
Multiple Airlines
Deal found 12/7£532
Sat 19/906:00
BFS
-
JFK
2 stops43h 05m
Multiple Airlines
Sat 26/922:05
JFK
-
BFS
2 stops20h 20m
Multiple Airlines
Deal found 14/7£535
Thu 27/806:40
BFS
-
EWR
2 stops35h 35m
Multiple Airlines
Mon 31/817:45
EWR
-
BFS
3 stops24h 20m
Multiple Airlines
Deal found 9/7£535
Mon 19/1022:20
BFS
-
JFK
3 stops29h 05m
Multiple Airlines
Sun 25/1023:10
JFK
-
BFS
2 stops17h 00m
Multiple Airlines
Deal found 14/7£540
Thu 3/907:00
BHD
-
JFK
1 stop13h 55m
Multiple Airlines
Fri 11/918:20
JFK
-
BHD
1 stop10h 40m
Multiple Airlines
Deal found 12/7£541
Wed 26/820:15
BFS
-
JFK
3 stops30h 50m
Multiple Airlines
Sat 29/820:30
JFK
-
BFS
3 stops21h 35m
Multiple Airlines
Deal found 12/7£544

Find flight deals from Belfast to USA

Keep the following information in mind while searching for Belfast to USA flight deals. Data was last updated 14 July 2026.

Round-trip from

£503

One-way from

£274

Popular in

December

Cheapest in

January

Average price

£618
25/8-1/9
  • 25/8-1/9
  • 5 total stops
  • 59h 05m total
  • Belfast to USA
Search Deals
11/9
  • 11/9
  • 2 total stops
  • 32h 55m total
  • Belfast to USA
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast 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 July 2026.
Use the filters below to find and compare flights from Belfast 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

Mon 24/8

06:40-21:40

3 stops20h 00m

Newark

Tue 8/9

20:25-23:20

2 stops21h 55m

£523

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Sat 19/9

06:00-20:05

2 stops43h 05m

New York John F Kennedy Intl

Sat 26/9

22:05-23:25

2 stops20h 20m

£535

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Wed 26/8

07:30-13:15

2 stops34h 45m

Newark

Wed 2/9

17:20-22:20

2 stops24h 00m

£539

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Tue 13/10

10:35-22:25

3 stops40h 50m

New York John F Kennedy Intl

Tue 20/10

20:30-19:40

2 stops18h 10m

£545

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Thu 27/8

08:10-13:15

3 stops34h 05m

Newark

Thu 3/9

17:45-19:30

2 stops20h 45m

£554

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Wed 26/8

06:15-20:45

1 stop19h 30m

New York John F Kennedy Intl

Wed 2/9

19:15-13:45

1 stop13h 30m

£563

BelfastNew York

BFS - LGA

BFSLGA

Belfast Intl

Mon 24/8

20:35-14:37

2 stops23h 02m

New York LaGuardia

Tue 8/9

15:30-10:40

2 stops14h 10m

£578

BelfastBoston

BFS - BOS

BFSBOS

Belfast Intl

Thu 20/8

08:20-20:55

3 stops17h 35m

Boston Logan Intl

Sun 23/8

17:25-21:30

2 stops23h 05m

£579

BelfastNew York

BFS - JFK

BFSJFK

Belfast Intl

Tue 25/8

16:05-17:00

2 stops29h 55m

New York John F Kennedy Intl

Tue 1/9

17:10-21:20

3 stops23h 10m

£587

BelfastNewark

BFS - EWR

BFSEWR

Belfast Intl

Mon 19/10

09:10-21:00

2 stops16h 50m

Newark

Sun 25/10

20:35-20:10

2 stops19h 35m

£587

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

Best time to book a flight from Belfast to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Belfast 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 to the United States

What is the cheapest month to book a flight from Belfast to USA?

Currently, November is the cheapest month in which you can book a flight from Belfast to USA (average of £362). Flying from Belfast to USA in December is currently the most expensive (average of £467). 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 14 July 2026.
Check out reviews from past customers who have flown with Aer Lingus,American Airlines, andBritish Airways from Belfast to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,666 reviews
Check prices

Entertainment

7.0

Boarding

7.4

Comfort

7.2

Overall

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
Aer Lingus
7.3
Good
1,666 reviews
Aer Lingus
7.3
Good
1,666 reviews
Check prices

Entertainment

7.0

Boarding

7.4

Comfort

7.2

Overall

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
American Airlines
7.1
Good
11,809 reviews
Aer Lingus
7.3
Good
1,666 reviews
Check prices

Entertainment

7.0

Boarding

7.4

Comfort

7.2

Overall

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.
British Airways
6.7
Okay
8,116 reviews
Aer Lingus
7.3
Good
1,666 reviews
Check prices

Entertainment

7.0

Boarding

7.4

Comfort

7.2

Overall

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,May 2026

DUB - EWR

Underpricer is a terrible organization that inserted itself as a “travel agent” simply by way of me booking on kayak. Never would I have willing assented to using underpricer. Further, we had a problem whereby two duplicate one-way flights from Dublin were inadvertently booked for me and my wife, stemming from a family emergency. My wife’s sister / my sister in law had a brain tumor and immediate surgery to remove it, which obviously impacted our previously planned travel arrangements. I tried to cancel the flight due to the extenuating circumstances. Underpricer said canceling was not possible, but a credit would be possible for the exact same flight - one way from Dublin - to be used in one year from the original flight date. I asked if it would be possible to make the credit a general credit to any participating AerLingus airport destination, which would allow more flexibility than having to go back to Ireland within a year. In order to pursue the credit, Underpricer requested documentary proof regarding my sister in laws brain tumor, which we gave them. Underpricer then asked us to document our relationship to the patient - so I gave them my marriage certificate to evidence my wife and her sister having the same last name. Underpricer asked for further proof, so we gave them copies of my passport, my wife’s passport, and my sister in laws passport. All of these hoops to jump through for Underpricer, with sporadic communication on their part throughout, only for them to say 3 days before the original booking that no credit was available - not even the one they originally offered. They said my only option was to pick a date within the next year to move the flight to - and of course to make that change, they charged me an additional $350 fee just to make that change. What a pathetic, fraudulent organization. Kayak should be embarrassed to be associated with Underpricer and should cease that relationship immediately. And for AerLingus, who only Underpricer could talk to regarding the booking (I was not permitted) to not understand our family’s situation and just stand by blanket policy that no credit is permitted, is equally disappointing.

Related info for your journey

Find useful and relevant information for your journey from Belfast to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Belfast to USA?

    Departing from Belfast to USA will take you 16h 10m. The distance between Belfast and USA is about 3167 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Belfast to USA?

    When deciding which route to take from Belfast to USA consider Belfast Intl - New York John F Kennedy Intl, Belfast Intl - Newark or Belfast Intl - New York LaGuardia as they are the most popular.

  • Can I find deals for flights from Belfast to USA that include hotel bookings?

    Yes. In addition to deals on Belfast to USA flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to USA.

  • Can I find deals for business class flights from Belfast to USA?

    Yes. Cheapflights offers flight deals from Belfast 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 to USA?

    Currently, November is the cheapest month in which you can book a flight from Belfast to USA (average of £362). Flying from Belfast to USA in December is currently the most expensive (average of £467). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast 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 to USA

Discover the top 3 airlines that operate flights from Belfast 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 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£416Average£668FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£561Average£561FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Aer LingusCheapest£1,168Average£1,303FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Belfast to USA?

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Why should you use Cheapflights to find cheap flight tickets from Belfast to USA?

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to USA for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Belfast to USA with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Belfast to USA, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Belfast 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 today and book when prices fit your budget.

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