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Cheap flights from the United States to Belfast from £227

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
17 May — 24 May1
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 17 April 2026.

Thu 15/1018:20
JFK
-
BFS
1 stop16h 00m
Multiple Airlines
Thu 22/1014:50
BFS
-
JFK
1 stop30h 05m
Multiple Airlines
Deal found 13/4£459
Fri 16/1018:20
JFK
-
BFS
1 stop14h 55m
Multiple Airlines
Thu 22/1014:50
BFS
-
JFK
1 stop30h 05m
Multiple Airlines
Deal found 13/4£472
Sat 17/1018:20
JFK
-
BFS
1 stop12h 35m
Multiple Airlines
Thu 22/1014:50
BFS
-
JFK
1 stop30h 05m
Multiple Airlines
Deal found 13/4£479
Thu 15/1018:20
JFK
-
BFS
1 stop16h 00m
Multiple Airlines
Wed 21/1020:15
BFS
-
JFK
1 stop24h 40m
Multiple Airlines
Deal found 13/4£488
Tue 13/1018:20
JFK
-
BFS
1 stop21h 35m
Multiple Airlines
Tue 20/1008:20
BFS
-
JFK
1 stop12h 35m
Multiple Airlines
Deal found 17/4£492
Sun 11/1018:20
JFK
-
BFS
1 stop13h 00m
Multiple Airlines
Thu 22/1014:50
BFS
-
JFK
1 stop30h 05m
Multiple Airlines
Deal found 13/4£493
Fri 16/1018:20
JFK
-
BFS
1 stop14h 30m
Multiple Airlines
Tue 20/1006:40
BFS
-
JFK
1 stop14h 15m
Multiple Airlines
Deal found 13/4£503
Sat 17/1018:20
JFK
-
BFS
1 stop12h 35m
Multiple Airlines
Wed 21/1020:15
BFS
-
JFK
1 stop24h 40m
Multiple Airlines
Deal found 13/4£508
Thu 14/523:10
JFK
-
BFS
2 stops18h 55m
Multiple Airlines
Fri 5/619:55
BFS
-
JFK
3 stops31h 10m
Multiple Airlines
Deal found 16/4£510
Tue 13/1018:20
JFK
-
BFS
1 stop15h 15m
Multiple Airlines
Fri 23/1006:15
BFS
-
JFK
1 stop14h 40m
Multiple Airlines
Deal found 13/4£511
Thu 15/1018:20
JFK
-
BFS
1 stop10h 35m
Multiple Airlines
Tue 20/1006:40
BFS
-
JFK
1 stop14h 15m
Multiple Airlines
Deal found 13/4£512
Tue 13/1018:20
JFK
-
BHD
1 stop12h 55m
Multiple Airlines
Thu 22/1007:00
BHD
-
JFK
1 stop13h 55m
Multiple Airlines
Deal found 13/4£548

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 17 April 2026.

Round-trip from

£492

One-way from

£227

Popular in

December

Cheapest in

November

Average price

£386
13/10-20/10
  • 13/10-20/10
  • 2 total stops
  • 34h 10m total
  • USA to Belfast
Search Deals
5/5
  • 5/5
  • 2 total stops
  • 41h 35m total
  • USA to Belfast
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£18 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 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 17 April 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

Sun 11/10

18:20-12:20

1 stop13h 00m

Belfast Intl

Wed 21/10

20:15-15:55

1 stop24h 40m

£525

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Thu 14/5

18:20-23:00

1 stop23h 40m

Belfast Intl

Fri 5/6

19:55-15:55

1 stop25h 00m

£562

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Tue 2/6

06:00-19:40

3 stops32h 40m

Belfast Intl

Wed 10/6

20:15-21:00

3 stops29h 45m

£570

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sun 3/5

13:17-21:00

3 stops26h 43m

Belfast Intl

Thu 7/5

21:10-21:00

2 stops28h 50m

£575

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 17/5

23:10-21:00

2 stops16h 50m

Belfast Intl

Sun 31/5

07:10-20:05

3 stops41h 55m

£580

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Thu 28/5

14:30-19:30

3 stops24h 00m

Belfast Intl

Thu 4/6

20:55-21:00

3 stops29h 05m

£582

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 2/6

23:10-19:40

2 stops15h 30m

Belfast Intl

Wed 10/6

20:15-22:05

3 stops30h 50m

£583

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Wed 27/5

15:55-17:05

3 stops20h 10m

Belfast Intl

Wed 3/6

20:15-21:00

3 stops29h 45m

£588

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 18/5

20:25-23:20

3 stops21h 55m

Belfast Intl

Tue 26/5

17:10-21:00

3 stops32h 50m

£592

New YorkBelfast

JFK - BHD

JFKBHD

New York John F Kennedy Intl

Wed 27/5

10:40-14:30

2 stops22h 50m

Belfast City

Tue 2/6

10:20-11:25

2 stops30h 05m

£621

Flights are sorted by cheapest return flights first.

Deals found on 16/4

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 £339). Flying from USA to Belfast in June is currently the most expensive (average of £463). 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. Fly via British Airways, KLM, or Delta to get the fastest option. USA and Belfast are separated by a distance of 3180 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, Newark - 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 £339). Flying from USA to Belfast in June is currently the most expensive (average of £463). 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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