Find flights
When to book
FAQs

Cheap flights from the United States to Belfast Intl Airport from £200

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
7 Sep — 14 Sep1
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 8 August 2026.

Sun 27/920:30 -
2 stops19h 30m
Tue 13/1020:15 -
3 stops31h 10m
Deal found 6/8£428
Mon 14/920:30 -
2 stops19h 10m
Wed 30/920:10 -
3 stops28h 10m
Deal found 4/8£457
Mon 14/920:25 -
2 stops19h 15m
Wed 30/920:10 -
3 stops28h 05m
Deal found 4/8£459
Fri 25/918:20 -
1 stop14h 55m
Fri 2/1022:15 -
2 stops22h 40m
Deal found 3/8£468
Fri 18/918:20 -
1 stop10h 35m
Fri 25/919:55 -
3 stops31h 30m
Deal found 4/8£488
Sun 27/920:25 -
2 stops19h 35m
Tue 13/1007:35 -
3 stops42h 25m
Deal found 5/8£491
Fri 6/1119:35 -
3 stops21h 25m
Mon 9/1106:05 -
3 stops38h 15m
Deal found 2/8£541
Wed 9/920:25 -
2 stops18h 15m
Wed 16/908:30 -
3 stops36h 00m
Deal found 4/8£547
Sun 13/909:00 -
2 stops31h 00m
Tue 29/906:40 -
3 stops41h 35m
Deal found 3/8£549
Mon 14/923:00 -
2 stops18h 00m
Tue 29/917:10 -
3 stops32h 10m
Deal found 3/8£551
Sun 27/920:30 -
2 stops19h 30m
Mon 12/1015:50 -
2 stops35h 25m
Deal found 4/8£553
Wed 30/917:35 -
2 stops16h 25m
Sat 10/1018:30 -
2 stops31h 30m
Deal found 4/8£560

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 8 August 2026.

Round-trip from

£428

One-way from

£200

Popular in

December

Cheapest in

November

Average price

£552
27/9-13/10
  • 27/9-13/10
  • 5 total stops
  • 50h 40m total
  • USA to Belfast
Search Deals
14/10
  • 14/10
  • 2 total stops
  • 37h 40m total
  • USA to Belfast
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 8 August 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Mon 14/9

20:25-20:40

2 stops19h 15m

Belfast Intl

Wed 30/9

20:10-19:15

3 stops28h 05m

£459

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Fri 25/9

18:20-09:55

1 stop10h 35m

Belfast Intl

Fri 2/10

21:10-15:55

1 stop23h 45m

£477

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Fri 18/9

18:20-09:55

1 stop10h 35m

Belfast Intl

Fri 25/9

06:05-15:55

1 stop14h 50m

£506

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sat 19/9

18:20-07:45

1 stop32h 25m

Belfast Intl

Sat 26/9

06:20-15:55

1 stop14h 35m

£507

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sun 13/9

18:20-10:05

1 stop10h 45m

Belfast Intl

Tue 29/9

08:50-22:25

3 stops42h 35m

£511

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Sat 19/9

18:20-07:45

1 stop32h 25m

Belfast Intl

Tue 29/9

06:15-15:55

1 stop14h 40m

£517
Fastest return journey

New YorkBelfast

JFK New York John F Kennedy Intl - BFS Belfast Intl

JFKBFS

New York John F Kennedy Intl

Thu 1/10

18:20-09:55

1 stop10h 35m

Belfast Intl

Sat 10/10

06:20-15:55

1 stop14h 35m

£529

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Fri 6/11

19:35-22:00

3 stops21h 25m

Belfast Intl

Mon 9/11

06:05-15:20

3 stops38h 15m

£541

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Wed 9/9

20:25-19:40

2 stops18h 15m

Belfast Intl

Wed 16/9

08:30-15:30

3 stops36h 00m

£547

NewarkBelfast

EWR Newark - BFS Belfast Intl

EWRBFS

Newark

Sun 13/9

09:00-21:00

2 stops31h 00m

Belfast Intl

Tue 29/9

06:40-19:15

3 stops41h 35m

£549

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 £448). Flying from USA to Belfast Intl Airport in August is currently the most expensive (average of £972). 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 Baltimore/Washington - 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 £448). Flying from USA to Belfast Intl Airport in August is currently the most expensive (average of £972). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.