Cheap flights from the United States to Belfast Intl Airport from £139
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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
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 4 7월 2025.
Find flight deals from USA to Belfast Intl
Cheapest flights from USA to Belfast IntlExplore 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 4 7월 2025.
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 4 7월 2025.
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 4 7월 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
Fly to
Route
Depart
Return
Price
New YorkBelfast
JFK - BFS
JFKBFS
New York John F Kennedy Intl
토 6/9
18:20-07:45
1 stop32h 25m
Belfast Intl
화 23/9
08:15-15:55
1 stop12h 40m
Los AngelesBelfast
LAX - BFS
LAXBFS
Los Angeles
월 8/9
16:25-07:30
1 stop31h 05m
Belfast Intl
수 17/9
06:10-14:10
1 stop16h 00m
BaltimoreBelfast
BWI - BFS
BWIBFS
Baltimore/Washington
수 15/10
18:50-23:10
2 stops23h 20m
Belfast Intl
월 20/10
06:45-17:40
2 stops15h 55m
NewarkBelfast
EWR - BFS
EWRBFS
Newark
월 18/8
20:25-18:45
2 stops17h 20m
Belfast Intl
수 3/9
21:00-21:00
2 stops29h 00m
BostonBelfast
BOS - BFS
BOSBFS
Boston Logan Intl
토 6/9
19:15-23:25
2 stops23h 10m
Belfast Intl
수 10/9
06:00-17:50
2 stops16h 50m
ChicagoBelfast
ORD - BFS
ORDBFS
Chicago O'Hare Intl
일 17/8
19:25-21:30
2 stops20h 05m
Belfast Intl
일 24/8
06:50-18:15
2 stops17h 25m
New YorkBelfast
LGA - BFS
LGABFS
New York LaGuardia
월 1/9
17:45-21:55
2 stops23h 10m
Belfast Intl
토 6/9
05:45-14:55
2 stops14h 10m
RaleighBelfast
RDU - BFS
RDUBFS
Raleigh-Durham
토 16/8
20:30-22:15
2 stops20h 45m
Belfast Intl
토 23/8
12:35-19:30
2 stops35h 55m
RochesterBelfast
ROC - BFS
ROCBFS
Rochester Greater Rochester Intl
토 16/8
06:40-19:40
2 stops32h 00m
Belfast Intl
토 23/8
09:40-23:50
2 stops19h 10m
St. LouisBelfast
STL - BFS
STLBFS
Lambert-St Louis
목 31/7
10:47-19:35
3 stops26h 48m
Belfast Intl
목 7/8
22:45-19:45
2 stops27h 00m
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.
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.
What is the cheapest time of day to fly from US to BFS?
Find hourly flight availability from USA to Belfast Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 7월 2025.
When flying from USA to Belfast Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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.
Travelling to a place near the United States?
Book flights to the United States if you plan to visit one of these locationsBrowse 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.
Alternative routes for USA to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.
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.