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Cheap flights from the United States to Belfast Intl Airport from £109

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BFS
12 out — 19 out1
1 adult
1 adult, Economy

Cheap 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 12 setembro 2025.

Round-trip from

£349

One-way from

£109

Popular in

October

Cheapest in

June

Average price

£649
24/2-3/3
  • 24/2-3/3
  • 2 total stops
  • 23h 20m total
  • USA to Belfast
Search Deals
14/10
  • 14/10
  • 1 total stop
  • 14h 00m total
  • USA to Belfast
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£71 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from USA to Belfast Intl

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 12 setembro 2025.

seg 27/1019:05JFK - BFS
1 stop21h 05mMultiple Airlines
seg 3/1120:55BFS - JFK
1 stop24h 00mMultiple Airlines
Deal found 12/9£351
seg 27/1021:50EWR - BFS
2 stops15h 20mMultiple Airlines
seg 3/1105:45BFS - EWR
2 stops18h 20mMultiple Airlines
Deal found 12/9£396
qua 8/1020:25EWR - BFS
2 stops21h 45mMultiple Airlines
qua 15/1006:00BFS - EWR
2 stops18h 10mMultiple Airlines
Deal found 10/9£404
qua 8/1016:55JFK - BFS
2 stops17h 35mMultiple Airlines
qua 15/1007:15BFS - JFK
2 stops17h 05mMultiple Airlines
Deal found 10/9£416
seg 22/918:20JFK - BFS
1 stop10h 35mMultiple Airlines
qui 25/906:10BFS - JFK
1 stop14h 45mMultiple Airlines
Deal found 10/9£420
sáb 25/1020:50BOS - BFS
2 stops13h 50mMultiple Airlines
sáb 1/1116:00BFS - BOS
2 stops33h 10mMultiple Airlines
Deal found 10/9£430
qua 22/1018:20JFK - BFS
1 stop10h 35mMultiple Airlines
qua 29/1006:30BFS - JFK
1 stop14h 20mMultiple Airlines
Deal found 11/9£441
dom 26/1019:05JFK - BFS
1 stop32h 50mMultiple Airlines
dom 2/1120:30BFS - JFK
2 stops24h 25mMultiple Airlines
Deal found 11/9£444
qua 8/1023:35BOS - BFS
2 stops18h 35mMultiple Airlines
qua 15/1009:35BFS - BOS
1 stop16h 40mMultiple Airlines
Deal found 10/9£445
qua 22/1017:35EWR - BFS
2 stops23h 25mMultiple Airlines
qua 29/1007:55BFS - EWR
3 stops43h 15mMultiple Airlines
Deal found 11/9£456
sáb 4/1016:40LAX - BFS
2 stops31h 05mMultiple Airlines
qua 15/1009:35BFS - LAX
1 stop40h 30mMultiple Airlines
Deal found 11/9£456
dom 21/918:20JFK - BFS
1 stop10h 35mMultiple Airlines
ter 30/920:55BFS - JFK
1 stop24h 00mMultiple Airlines
Deal found 10/9£470

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 12 setembro 2025.
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

ter 24/2

18:05-10:05

1 stop11h 00m

Belfast Intl

ter 3/3

08:35-15:55

1 stop12h 20m

£349

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

seg 27/10

19:05-20:10

1 stop21h 05m

Belfast Intl

seg 3/11

20:55-15:55

1 stop24h 00m

£351

NewarkBelfast

EWR - BFS

EWRBFS

Newark

seg 27/10

21:50-17:10

2 stops15h 20m

Belfast Intl

seg 3/11

05:45-19:05

2 stops18h 20m

£396

NewarkBelfast

EWR - BFS

EWRBFS

Newark

qua 8/10

20:25-23:10

2 stops21h 45m

Belfast Intl

qua 15/10

06:00-19:10

2 stops18h 10m

£404

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

qua 8/10

16:55-15:30

2 stops17h 35m

Belfast Intl

qua 15/10

07:15-19:20

2 stops17h 05m

£416

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

seg 22/9

18:20-09:55

1 stop10h 35m

Belfast Intl

qui 25/9

06:10-15:55

1 stop14h 45m

£420

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

dom 26/10

19:05-10:05

1 stop11h 00m

Belfast Intl

dom 2/11

09:25-15:55

1 stop11h 30m

£420

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

sáb 25/10

20:50-15:40

2 stops13h 50m

Belfast Intl

sáb 1/11

16:00-21:10

2 stops33h 10m

£430

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

qua 22/10

18:20-09:55

1 stop10h 35m

Belfast Intl

qua 29/10

06:30-16:50

1 stop14h 20m

£441

BostonBelfast

BOS - BFS

BOSBFS

Boston Logan Intl

qua 8/10

23:35-23:10

2 stops18h 35m

Belfast Intl

qua 15/10

09:35-21:15

1 stop16h 40m

£445

Flights are sorted by cheapest return flights first.

Deals found on 11/9

Showing 1-10 of 41 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, January is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of £67). Flying from USA to Belfast Intl Airport in July is currently the most expensive (average of £90). 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 Newark - Belfast Intl. You may also consider New York John F Kennedy Intl - Belfast Intl or Seattle/Tacoma Intl - 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, January is the cheapest month in which you can book a flight from USA to Belfast Intl Airport (average of £67). Flying from USA to Belfast Intl Airport in July is currently the most expensive (average of £90). 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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George Bush Intcntl to Belfast City 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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