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Cheap flights from Pennsylvania to Belfast Intl Airport from £100

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BFS
22 Nov — 29 Nov1
1 adult
1 adult, Economy

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 23 October 2025.

Round-trip from

£351

One-way from

£100

Popular in

June

Cheapest in

January

Average price

£520
3/12-7/12
  • 3/12-7/12
  • 2 total stops
  • 47h 05m total
  • Pennsylvania to Belfast
Search Deals
11/11
  • 11/11
  • 1 total stop
  • 11h 00m total
  • Pennsylvania to Belfast
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£134 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Pennsylvania to Belfast Intl

Enter your travel dates to find the best prices.

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 23 October 2025.

Wed 3/1218:05JFK - BFS
1 stop18h 50mMultiple Airlines
Sun 7/1216:40BFS - JFK
1 stop28h 15mMultiple Airlines
Deal found 21/10£351
Tue 18/1118:05JFK - BFS
1 stop17h 55mMultiple Airlines
Tue 25/1106:00BFS - JFK
1 stop14h 55mMultiple Airlines
Deal found 21/10£440
Fri 5/1218:05JFK - BFS
1 stop11h 00mMultiple Airlines
Fri 12/1208:45BFS - JFK
2 stops18h 45mMultiple Airlines
Deal found 21/10£446
Mon 24/1118:05JFK - BFS
1 stop11h 45mMultiple Airlines
Thu 27/1114:45BFS - JFK
2 stops26h 40mMultiple Airlines
Deal found 21/10£452
Mon 24/1118:05JFK - BFS
1 stop11h 45mMultiple Airlines
Mon 1/1220:55BFS - JFK
1 stop24h 00mMultiple Airlines
Deal found 21/10£458
Sun 9/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Tue 25/1108:35BFS - JFK
1 stop12h 20mMultiple Airlines
Deal found 22/10£464
Tue 18/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Thu 27/1118:55BFS - JFK
2 stops22h 30mMultiple Airlines
Deal found 21/10£469
Fri 5/1200:30JFK - BFS
2 stops27h 25mMultiple Airlines
Sat 13/1208:30BFS - JFK
3 stops39h 35mMultiple Airlines
Deal found 22/10£473
Tue 18/1118:05JFK - BFS
1 stop11h 00mMultiple Airlines
Mon 1/1220:55BFS - JFK
1 stop24h 00mMultiple Airlines
Deal found 21/10£474
Sat 8/1101:35EWR - BFS
2 stops35h 50mMultiple Airlines
Tue 25/1116:50BFS - EWR
3 stops34h 20mMultiple Airlines
Deal found 22/10£482
Sat 6/1206:55EWR - BFS
2 stops23h 00mMultiple Airlines
Sat 13/1209:40BFS - EWR
2 stops15h 57mMultiple Airlines
Deal found 22/10£487
Wed 3/1214:45EWR - BFS
2 stops18h 20mMultiple Airlines
Sun 7/1206:30BFS - EWR
2 stops17h 20mMultiple Airlines
Deal found 21/10£499

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 23 October 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

Wed 3/12

18:05-17:55

1 stop18h 50m

Belfast Intl

Sun 7/12

16:40-15:55

1 stop28h 15m

£351

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 18/11

18:05-17:00

1 stop17h 55m

Belfast Intl

Tue 25/11

06:00-15:55

1 stop14h 55m

£440

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 5/12

18:05-10:05

1 stop11h 00m

Belfast Intl

Fri 12/12

08:45-22:30

2 stops18h 45m

£446

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Mon 24/11

18:05-10:50

1 stop11h 45m

Belfast Intl

Thu 27/11

14:45-12:25

2 stops26h 40m

£452

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Sun 9/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Tue 25/11

08:35-15:55

1 stop12h 20m

£464

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Tue 18/11

18:05-10:05

1 stop11h 00m

Belfast Intl

Thu 27/11

18:55-12:25

2 stops22h 30m

£469

New YorkBelfast

JFK - BFS

JFKBFS

New York John F Kennedy Intl

Fri 5/12

00:30-08:55

2 stops27h 25m

Belfast Intl

Sat 13/12

08:30-19:05

3 stops39h 35m

£473

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sat 8/11

01:35-18:25

2 stops35h 50m

Belfast Intl

Tue 25/11

16:50-22:10

3 stops34h 20m

£482

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Sat 6/12

06:55-10:55

2 stops23h 00m

Belfast Intl

Sat 13/12

09:40-20:37

2 stops15h 57m

£487

NewarkBelfast

EWR - BFS

EWRBFS

Newark

Wed 3/12

14:45-14:05

2 stops18h 20m

Belfast Intl

Sun 7/12

06:30-18:50

2 stops17h 20m

£499

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 41 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

How much does it cost for a return flight from Pennsylvania to Belfast Intl Airport?

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?

    The most popular route from Pennsylvania to Belfast Intl Airport is Washington, D.C. Dulles Intl - Belfast Intl. You may also consider New York John F Kennedy Intl - Belfast Intl or Newark - Belfast Intl.

  • 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.

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 Pennsylvania to Belfast Intl

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

Cheapflights makes it easy to find Pennsylvania 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 Pennsylvania to Belfast Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Pennsylvania to Belfast Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Pennsylvania to Belfast Intl with no change fees?

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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