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Cheap flights from the United States to Belfast from £224

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to Belfast

Enter your travel dates to find the best prices.

Cheapest flights from USA to Belfast
Explore the most affordable flight options available from USA to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 May 2026.

Sat 19/918:20
JFK
-
BFS
1 stop23h 20m
Multiple Airlines
Fri 25/919:55
BFS
-
JFK
1 stop25h 00m
Multiple Airlines
Deal found 20/5£458
Sun 20/918:20
JFK
-
BFS
1 stop13h 00m
Multiple Airlines
Fri 25/919:55
BFS
-
JFK
1 stop25h 00m
Multiple Airlines
Deal found 20/5£469
Sat 19/918:20
JFK
-
BFS
1 stop12h 35m
Multiple Airlines
Sat 26/920:15
BFS
-
JFK
1 stop24h 40m
Multiple Airlines
Deal found 20/5£484
Sun 20/918:20
JFK
-
BFS
1 stop13h 00m
Multiple Airlines
Sat 26/920:15
BFS
-
JFK
1 stop24h 40m
Multiple Airlines
Deal found 20/5£489
Fri 18/918:20
JFK
-
BFS
1 stop14h 55m
Multiple Airlines
Fri 25/919:55
BFS
-
JFK
1 stop25h 00m
Multiple Airlines
Deal found 20/5£516
Sun 20/918:20
JFK
-
BFS
1 stop13h 45m
Multiple Airlines
Tue 29/906:40
BFS
-
JFK
1 stop14h 15m
Multiple Airlines
Deal found 20/5£524
Sat 19/918:20
JFK
-
BFS
1 stop10h 05m
Multiple Airlines
Tue 29/906:40
BFS
-
JFK
1 stop14h 15m
Multiple Airlines
Deal found 20/5£535
Sun 20/918:20
JFK
-
BHD
1 stop21h 10m
Multiple Airlines
Sun 27/907:00
BHD
-
JFK
1 stop13h 55m
Multiple Airlines
Deal found 20/5£535
Thu 24/918:20
JFK
-
BHD
1 stop19h 20m
Multiple Airlines
Sat 26/907:00
BHD
-
JFK
1 stop13h 55m
Multiple Airlines
Deal found 18/5£536
Sat 19/918:20
JFK
-
BFS
1 stop10h 05m
Multiple Airlines
Mon 28/920:55
BFS
-
JFK
1 stop24h 00m
Multiple Airlines
Deal found 20/5£548
Fri 2/1018:20
JFK
-
BFS
1 stop10h 35m
Multiple Airlines
Fri 9/1006:05
BFS
-
JFK
1 stop14h 50m
Multiple Airlines
Deal found 17/5£553
Sat 19/918:20
JFK
-
BHD
1 stop17h 00m
Multiple Airlines
Sat 26/907:00
BHD
-
JFK
1 stop13h 55m
Multiple Airlines
Deal found 20/5£553

Find flight deals from USA to Belfast

Keep the following information in mind while searching for USA to Belfast flight deals. Data was last updated 22 May 2026.

Round-trip from

£458

One-way from

£224

Popular in

December

Cheapest in

November
19/9-25/9
  • 19/9-25/9
  • 2 total stops
  • 48h 20m total
  • USA to Belfast
Search Deals
19/9
  • 19/9
  • 1 total stop
  • 23h 20m total
  • USA to Belfast
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from USA to Belfast 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 22 May 2026.
Use the filters below to find and compare flights from the United States to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sat 19/9

18:20-22:40

1 stop23h 20m

Belfast Intl

Fri 25/9

19:55-15:55

1 stop25h 00m

£458

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 2/10

18:20-09:55

1 stop10h 35m

Belfast Intl

Fri 9/10

06:05-15:55

1 stop14h 50m

£553

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 15/9

18:20-09:55

1 stop10h 35m

Belfast Intl

Sat 19/9

06:20-15:55

1 stop14h 35m

£562

New YorkBelfast

LGA - BFS

LGABFS

New York LaGuardia

Wed 17/6

06:30-19:15

3 stops31h 45m

Belfast Intl

Thu 25/6

06:40-22:35

2 stops20h 55m

£592

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Fri 18/9

21:50-15:30

1 stop12h 40m

Belfast City

Sun 27/9

13:10-22:35

1 stop14h 25m

£623

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Tue 15/9

19:40-10:45

1 stop10h 05m

Belfast City

Sun 27/9

13:10-22:35

1 stop14h 25m

£625

New YorkBelfast

LGA - BFS

LGABFS

New York LaGuardia

Tue 21/7

06:30-19:50

3 stops32h 20m

Belfast Intl

Fri 31/7

07:20-19:25

2 stops17h 05m

£626

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Tue 15/9

06:00-16:20

3 stops29h 20m

Belfast Intl

Sat 19/9

06:00-19:15

3 stops42h 15m

£630

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Thu 5/11

19:25-22:45

3 stops22h 20m

Belfast Intl

Mon 9/11

20:30-20:05

3 stops28h 35m

£632
Fastest return journey

BostonBelfast

BOS - BHD

BOSBHD

Boston Logan Intl

Sun 13/9

21:55-14:35

1 stop11h 40m

Belfast City

Sat 3/10

09:35-17:00

1 stop12h 25m

£643

Flights are sorted by cheapest return flights first.

Deals found on 20/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from USA to Belfast

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

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

Currently, November is the cheapest month in which you can book a flight from USA to Belfast (average of £343). Flying from USA to Belfast in June 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.

Related info for your journey

Find useful and relevant information for your journey from USA to Belfast. 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 USA to Belfast?

    There are many flights that can get you from USA to Belfast in 12h 40m. Fly via British Airways, American Airlines, or KLM to get the fastest option. USA and Belfast are separated by a distance of 2981 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from USA to Belfast 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 USA to Belfast?

    Currently, November is the cheapest month in which you can book a flight from USA to Belfast (average of £343). Flying from USA to Belfast in June 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

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from USA to Belfast. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from USA to Belfast for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Belfast from USA 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 USA to Belfast become cheaper?

Of course! You can now track prices for flights from USA to Belfast and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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