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Cheap flights from the United States to Belfast Intl Airport from £180

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
25 Feb — 4 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from USA to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from USA to Belfast Intl
Explore the most affordable flight options available from USA to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 January 2026.

Mon 4/518:20
JFK
-
BFS
1 stop21h 05m
Multiple Airlines
Wed 13/521:10
BFS
-
JFK
1 stop23h 45m
Multiple Airlines
Deal found 25/1£384
Mon 4/518:20
JFK
-
BFS
1 stop19h 30m
Multiple Airlines
Mon 11/506:10
BFS
-
JFK
1 stop14h 45m
Multiple Airlines
Deal found 25/1£385
Thu 30/418:20
JFK
-
BFS
1 stop20h 10m
Multiple Airlines
Thu 7/506:10
BFS
-
JFK
1 stop14h 45m
Multiple Airlines
Deal found 24/1£396
Mon 23/220:55
MCO
-
BFS
1 stop18h 15m
Multiple Airlines
Mon 2/308:35
BFS
-
MCO
1 stop15h 05m
Multiple Airlines
Deal found 26/1£397
Wed 11/320:40
IAD
-
BFS
2 stops21h 40m
Multiple Airlines
Wed 18/306:30
BFS
-
IAD
2 stops17h 00m
Multiple Airlines
Deal found 25/1£400
Sun 10/520:30
MCO
-
BFS
1 stop18h 45m
Multiple Airlines
Fri 29/506:05
BFS
-
MCO
1 stop17h 20m
Multiple Airlines
Deal found 24/1£408
Mon 2/221:30
JFK
-
BFS
1 stop14h 30m
Multiple Airlines
Wed 18/207:00
BFS
-
JFK
1 stop20h 55m
Multiple Airlines
Deal found 23/1£423
Tue 21/418:20
JFK
-
BFS
1 stop14h 40m
Multiple Airlines
Sun 26/420:50
BFS
-
JFK
1 stop24h 05m
Multiple Airlines
Deal found 25/1£428
Tue 10/320:25
JFK
-
BFS
2 stops15h 35m
Multiple Airlines
Tue 17/306:30
BFS
-
JFK
2 stops16h 30m
Multiple Airlines
Deal found 24/1£442
Mon 23/220:40
JFK
-
BFS
1 stop14h 35m
Multiple Airlines
Mon 2/306:40
BFS
-
JFK
1 stop15h 35m
Multiple Airlines
Deal found 26/1£445
Sun 17/518:20
JFK
-
BFS
1 stop20h 55m
Multiple Airlines
Thu 21/506:10
BFS
-
JFK
1 stop14h 45m
Multiple Airlines
Deal found 25/1£448
Wed 18/218:05
JFK
-
BFS
1 stop11h 00m
Multiple Airlines
Mon 23/221:15
BFS
-
JFK
2 stops47h 40m
Multiple Airlines
Deal found 25/1£449

Find flight deals from USA to Belfast Intl

Keep the following information in mind while searching for USA to Belfast Intl flight deals. Data was last updated 26 January 2026.

Round-trip from

£384

One-way from

£180

Popular in

December

Cheapest in

November

Average price

£528
4/5-13/5
  • 4/5-13/5
  • 2 total stops
  • 44h 50m total
  • USA to Belfast
Search Deals
2/3
  • 2/3
  • 2 total stops
  • 30h 00m total
  • USA to Belfast
Search Deals
High demand for flights, 4% 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 January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from USA to Belfast Intl 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 26 January 2026.
Use the filters below to find and compare flights from the United States to Belfast Intl Airport that are best for you.

Fly from

USA

Fly to

Belfast Intl

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 4/5

18:20-20:25

1 stop21h 05m

Belfast Intl

Wed 13/5

21:10-15:55

1 stop23h 45m

£384

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 4/5

18:20-18:50

1 stop19h 30m

Belfast Intl

Mon 11/5

06:10-15:55

1 stop14h 45m

£385

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Thu 30/4

18:20-19:30

1 stop20h 10m

Belfast Intl

Thu 7/5

06:10-15:55

1 stop14h 45m

£396

OrlandoBelfast

MCO - BFS

MCOBFS

Orlando

Mon 23/2

20:55-20:10

1 stop18h 15m

Belfast Intl

Mon 2/3

08:35-18:40

1 stop15h 05m

£397

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Wed 11/3

20:40-22:20

2 stops21h 40m

Belfast Intl

Wed 18/3

06:30-19:30

2 stops17h 00m

£400

OrlandoBelfast

MCO - BFS

MCOBFS

Orlando

Sun 10/5

20:30-20:15

1 stop18h 45m

Belfast Intl

Fri 29/5

06:05-18:25

1 stop17h 20m

£408

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 23/2

18:05-10:05

1 stop11h 00m

Belfast Intl

Mon 2/3

21:00-22:00

2 stops30h 00m

£423

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 21/4

18:20-14:00

1 stop14h 40m

Belfast Intl

Sun 26/4

20:50-15:55

1 stop24h 05m

£428

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 10/3

20:25-16:00

2 stops15h 35m

Belfast Intl

Tue 17/3

06:30-19:00

2 stops16h 30m

£442

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 11/3

19:05-10:05

1 stop11h 00m

Belfast Intl

Wed 18/3

08:35-16:55

1 stop12h 20m

£445

Flights are sorted by cheapest return flights first.

Deals found on 24/1

Showing 1-10 of 39 results
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Best time to book a flight from USA to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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 Intl Airport

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

Currently, September is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of £391). Flying from USA to Belfast Intl Airport in November is currently the most expensive (average of £508). 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 Intl. 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 USA to Belfast Intl Airport?

    The most popular route from USA to Belfast Intl Airport is New York John F Kennedy Intl - Belfast Intl. You may also consider Newark - Belfast Intl or New York LaGuardia - Belfast Intl.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of £391). Flying from USA to Belfast Intl Airport in November is currently the most expensive (average of £508). 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

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

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Alternative routes for USA to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Cleveland to Belfast Intl flights

Fly with Cheapflights

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

Cheapflights makes it easy to find USA to Belfast Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from USA to Belfast Intl 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 USA to Belfast Intl with no change fees?

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

Can Cheapflights notify me if prices for flights from USA to Belfast Intl become cheaper?

Of course! You can now track prices for flights from USA to Belfast Intl 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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