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Cheap flights from the United States to Belfast from £171

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
16 Mar — 23 Mar1
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 14 February 2026.

Thu 16/423:10
JFK
-
BFS
2 stops19h 15m
Multiple Airlines
Wed 22/407:00
BFS
-
JFK
2 stops20h 05m
Multiple Airlines
Deal found 13/2£380
Tue 10/300:20
JFK
-
BHD
1 stop10h 30m
British Airways
Wed 18/315:40
BHD
-
JFK
1 stop11h 25m
British Airways
Deal found 11/2£405
Wed 11/319:30
EWR
-
BHD
1 stop9h 40m
British Airways
Wed 18/306:35
BHD
-
EWR
1 stop18h 00m
British Airways
Deal found 11/2£405
Sun 1/318:25
JFK
-
BHD
1 stop10h 55m
American Airlines
Tue 10/308:45
BHD
-
JFK
1 stop14h 55m
American Airlines
Deal found 10/2£406
Wed 15/421:30
JFK
-
BHD
1 stop11h 05m
British Airways
Tue 21/412:40
BHD
-
JFK
1 stop12h 00m
British Airways
Deal found 11/2£418
Wed 29/419:20
JFK
-
BHD
1 stop13h 15m
American Airlines
Wed 6/510:05
BHD
-
JFK
1 stop11h 10m
American Airlines
Deal found 10/2£418
Mon 7/914:54
LGA
-
BHD
2 stops17h 01m
British Airways
Mon 21/919:35
BHD
-
LGA
2 stops30h 14m
British Airways
Deal found 12/2£418
Wed 15/421:25
EWR
-
BHD
1 stop13h 15m
British Airways
Tue 21/413:45
BHD
-
EWR
1 stop10h 40m
British Airways
Deal found 12/2£418
Wed 25/216:45
JFK
-
BHD
1 stop19h 05m
Multiple Airlines
Mon 2/317:20
BHD
-
JFK
1 stop27h 25m
Multiple Airlines
Deal found 13/2£422
Sun 1/318:35
EWR
-
BHD
1 stop10h 45m
British Airways
Tue 10/306:35
BHD
-
EWR
1 stop12h 15m
British Airways
Deal found 10/2£423
Sun 29/322:40
JFK
-
BHD
1 stop15h 05m
British Airways
Wed 8/420:35
BHD
-
JFK
1 stop19h 35m
British Airways
Deal found 13/2£425
Wed 11/319:30
EWR
-
BHD
1 stop9h 40m
American Airlines
Wed 18/306:35
BHD
-
EWR
2 stops18h 25m
American Airlines
Deal found 14/2£431

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 14 February 2026.

Round-trip from

£380

One-way from

£171

Popular in

December

Cheapest in

November

Average price

£448
16/4-22/4
  • 16/4-22/4
  • 4 total stops
  • 39h 20m total
  • USA to Belfast
Search Deals
23/2
  • 23/2
  • 1 total stop
  • 14h 30m total
  • USA to Belfast
Search Deals
High demand for flights, 9% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 14 February 2026.
Use the filters below to find and compare flights from the United States to Belfast that are best for you.

Fly from

USA

Fly to

Belfast

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Thu 16/4

23:10-23:25

2 stops19h 15m

Belfast Intl

Wed 22/4

07:00-22:05

2 stops20h 05m

£380

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 1/3

18:25-10:20

1 stop10h 55m

Belfast City

Tue 10/3

08:45-19:40

1 stop14h 55m

£406

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 11/3

22:45-16:35

1 stop13h 50m

Belfast City

Wed 18/3

12:25-21:00

1 stop12h 35m

£407

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Tue 10/3

00:20-18:40

1 stop14h 20m

Belfast City

Wed 18/3

19:25-15:05

2 stops23h 40m

£418

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 29/4

19:20-13:35

1 stop13h 15m

Belfast City

Wed 6/5

10:05-16:15

1 stop11h 10m

£418

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 25/2

18:50-16:50

1 stop17h 00m

Belfast City

Mon 2/3

17:20-11:25

1 stop23h 05m

£422

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 1/3

14:00-10:20

2 stops15h 20m

Belfast City

Tue 10/3

10:00-23:05

1 stop17h 05m

£422

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 11/3

22:35-14:15

1 stop11h 40m

Belfast City

Wed 18/3

12:25-20:35

1 stop12h 10m

£423

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Sun 29/3

19:10-20:35

1 stop20h 25m

Belfast City

Wed 8/4

20:35-11:10

1 stop19h 35m

£425

NewarkBelfast

EWR - BHD

EWRBHD

Newark

Wed 11/3

19:30-09:10

1 stop9h 40m

Belfast City

Wed 18/3

06:35-21:00

2 stops18h 25m

£431

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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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, September is the cheapest month in which you can book a flight from USA to Belfast (average of £392). Flying from USA to Belfast in November is currently the most expensive (average of £509). 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 10h 55m. Fly via American Airlines, British Airways, or KLM to get the fastest option. USA and Belfast are separated by a distance of 3167 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 New York John F Kennedy Intl - Belfast Intl, New York John F Kennedy Intl - Belfast City or Newark - Belfast Intl 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, September is the cheapest month in which you can book a flight from USA to Belfast (average of £392). Flying from USA to Belfast in November is currently the most expensive (average of £509). 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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