Cheap flights from Pennsylvania to Belfast Intl Airport from £133

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
8 Sep — 15 Sep1
1 adult

Cheap flight deals from Pennsylvania to Belfast Intl

Keep the following information in mind while searching for Pennsylvania to Belfast Intl flight deals. Data was last updated 3 September 2025.

Round-trip from

£339

One-way from

£133
21/10-20/1
  • 21/10-20/1
  • 2 total stops
  • 33h 35m total
  • Pennsylvania to Belfast
20/10
  • 20/10
  • 1 total stop
  • 10h 35m total
  • Pennsylvania to Belfast

Find flight deals from Pennsylvania to Belfast Intl

Cheapest flights from Pennsylvania to Belfast Intl
Explore the most affordable flight options available from Pennsylvania to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 September 2025.

Tue 21/1018:20JFK - BFS
1 stop21h 15mMultiple Airlines
Tue 20/108:35BFS - JFK
1 stop12h 20mMultiple Airlines
Deal found 1/9£339
Wed 5/1118:05JFK - BFS
1 stop18h 55mMultiple Airlines
Wed 12/1106:00BFS - JFK
1 stop14h 55mMultiple Airlines
Deal found 31/8£374
Mon 22/918:20JFK - BFS
1 stop10h 35mMultiple Airlines
Tue 7/1008:15BFS - JFK
1 stop12h 40mMultiple Airlines
Deal found 31/8£390
Wed 15/1018:20JFK - BFS
1 stop21h 15mMultiple Airlines
Wed 22/1006:10BFS - JFK
1 stop14h 45mMultiple Airlines
Deal found 31/8£400
Fri 7/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Fri 14/1106:30BFS - JFK
1 stop14h 25mMultiple Airlines
Deal found 31/8£403
Sun 21/918:20JFK - BFS
1 stop10h 35mMultiple Airlines
Fri 26/906:05BFS - JFK
1 stop14h 50mMultiple Airlines
Deal found 31/8£412
Wed 12/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Sat 15/1109:30BFS - JFK
2 stops17h 30mMultiple Airlines
Deal found 1/9£420
Wed 10/1218:05JFK - BFS
1 stop20h 30mMultiple Airlines
Mon 15/1206:30BFS - JFK
1 stop14h 25mMultiple Airlines
Deal found 1/9£421
Mon 22/922:00EWR - BFS
1 stop20h 00mMultiple Airlines
Tue 7/1006:45BFS - EWR
1 stop19h 30mMultiple Airlines
Deal found 31/8£426
Wed 1/1018:20JFK - BFS
1 stop21h 15mMultiple Airlines
Wed 8/1006:10BFS - JFK
1 stop14h 45mMultiple Airlines
Deal found 31/8£438
Wed 15/1017:35EWR - BFS
2 stops20h 00mMultiple Airlines
Wed 22/1017:20BFS - EWR
3 stops32h 40mMultiple Airlines
Deal found 31/8£448
Thu 16/1017:35EWR - BFS
2 stops17h 40mMultiple Airlines
Thu 23/1006:00BFS - EWR
2 stops15h 05mMultiple Airlines
Deal found 1/9£477

Cheapflights Fare Finder

 
Customise your flight search to find flights from Pennsylvania 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 3 September 2025.
Use the filters below to find and compare flights from Pennsylvania to Belfast Intl Airport that are best for you.

Fly from

Pennsylvania

Fly to

Belfast Intl

Route

Depart

Return

Price

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 21/10

18:20-20:35

1 stop21h 15m

Belfast Intl

Tue 20/1

08:35-15:55

1 stop12h 20m

£339

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 5/11

18:05-18:00

1 stop18h 55m

Belfast Intl

Wed 12/11

06:00-15:55

1 stop14h 55m

£374

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 22/9

18:20-09:55

1 stop10h 35m

Belfast Intl

Tue 7/10

08:15-15:55

1 stop12h 40m

£390

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 15/10

18:20-20:35

1 stop21h 15m

Belfast Intl

Wed 22/10

06:10-15:55

1 stop14h 45m

£400

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 7/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Fri 14/11

06:30-15:55

1 stop14h 25m

£403

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 21/9

18:20-09:55

1 stop10h 35m

Belfast Intl

Fri 26/9

06:05-15:55

1 stop14h 50m

£412

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 12/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Sat 15/11

09:30-22:00

2 stops17h 30m

£420

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Wed 10/12

18:05-19:35

1 stop20h 30m

Belfast Intl

Mon 15/12

06:30-15:55

1 stop14h 25m

£421

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Mon 22/9

22:00-23:00

1 stop20h 00m

Belfast Intl

Tue 7/10

06:45-21:15

1 stop19h 30m

£426

Washington, D.C.Belfast

IAD - BFS

IADBFS

Washington, D.C. Dulles Intl

Sun 18/1

19:40-20:10

2 stops19h 30m

Belfast Intl

Thu 22/1

06:30-18:30

2 stops17h 00m

£437

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 35 results
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Best time to book a flight from Pennsylvania to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Pennsylvania 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 Pennsylvania to Belfast Intl Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania 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 Pennsylvania to Belfast Intl Airport?

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Belfast Intl Airport (average of £67). Flying from Pennsylvania 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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Yes! Cheapflights helps users easily find flights from Pennsylvania to Belfast Intl with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast Intl from Pennsylvania today and book when prices fit your budget.

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