Cheap Flights to Philadelphia County | Popular Routes to Philadelphia County from HK$540

View HK$540 flight on Wed, 11 Feb 2026Opens in a new window

Popular airlines to Philadelphia County

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Frontier Airlines

    Frontier Airlines

  • Southwest Airlines

    Southwest Airlines

  • Spirit Airlines

    Spirit Airlines

  • JetBlue Airways

    JetBlue Airways

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Philadelphia County

Prices were available within the past 7 days and start at HK$540 for one-way flights and HK$1,068 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 14 Feb - Tue, 17 Feb
BOS
Boston
PHL
Philadelphia
HK$1,068 Return, found 1 day ago
HK$1,068
Return
found 1 day ago
Select Delta flight, departing Sat, 14 Feb from Boston to Philadelphia, returning Tue, 17 Feb, priced at HK$1,068 found 1 day ago
Delta
Sun, 15 Feb - Tue, 17 Feb
BOS
Boston
PHL
Philadelphia
HK$1,229 Return, found 1 day ago
HK$1,229
Return
found 1 day ago
Select Delta flight, departing Sun, 15 Feb from Boston to Philadelphia, returning Tue, 17 Feb, priced at HK$1,229 found 1 day ago
Delta
Wed, 11 Feb - Sun, 15 Feb
BOS
Boston
PHL
Philadelphia
HK$1,391 Return, found 1 day ago
HK$1,391
Return
found 1 day ago
Select Delta flight, departing Wed, 11 Feb from Boston to Philadelphia, returning Sun, 15 Feb, priced at HK$1,391 found 1 day ago
Delta
Sat, 14 Feb - Tue, 17 Feb
BOS
Boston
PHL
Philadelphia
HK$1,466 Return, found 1 day ago
HK$1,466
Return
found 1 day ago
Select Delta flight, departing Sat, 14 Feb from Boston to Philadelphia, returning Tue, 17 Feb, priced at HK$1,466 found 1 day ago
American Airlines
Wed, 11 Feb - Sun, 15 Feb
BOS
Boston
PHL
Philadelphia
HK$1,541 Return, found 1 day ago
HK$1,541
Return
found 1 day ago
Select American Airlines flight, departing Wed, 11 Feb from Boston to Philadelphia, returning Sun, 15 Feb, priced at HK$1,541 found 1 day ago
United
Wed, 11 Feb - Sun, 15 Feb
BOS
Boston
PHL
Philadelphia
HK$1,693 Return, found 1 day ago
HK$1,693
Return
found 1 day ago
Select United flight, departing Wed, 11 Feb from Boston to Philadelphia, returning Sun, 15 Feb, priced at HK$1,693 found 1 day ago
American Airlines
Wed, 24 Dec - Sat, 27 Dec
BDL
Hartford
PHL
Philadelphia
HK$3,551 Return, found 1 day ago
HK$3,551
Return
found 1 day ago
Select American Airlines flight, departing Wed, 24 Dec from Hartford to Philadelphia, returning Sat, 27 Dec, priced at HK$3,551 found 1 day ago
China Airlines
Thu, 22 Jan - Wed, 28 Jan
HKG
Hong Kong SAR
PHL
Philadelphia
HK$6,461 Return, found 2 days ago
HK$6,461
Return
found 2 days ago
Select China Airlines flight, departing Thu, 22 Jan from Hong Kong SAR to Philadelphia, returning Wed, 28 Jan, priced at HK$6,461 found 2 days ago
STARLUX Airlines
Sun, 24 May - Mon, 25 May
HKG
Hong Kong SAR
PHL
Philadelphia
HK$8,097 Return, found 5 days ago
HK$8,097
Return
found 5 days ago
Select STARLUX Airlines flight, departing Sun, 24 May from Hong Kong SAR to Philadelphia, returning Mon, 25 May, priced at HK$8,097 found 5 days ago
Cathay Pacific
Mon, 26 Jan - Sat, 31 Jan
HKG
Hong Kong SAR
PHL
Philadelphia
HK$8,471 Return, found 5 days ago
HK$8,471
Return
found 5 days ago
Select Cathay Pacific flight, departing Mon, 26 Jan from Hong Kong SAR to Philadelphia, returning Sat, 31 Jan, priced at HK$8,471 found 5 days ago

About Philadelphia County

Expedia offers flights to Philadelphia County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Philadelphia County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Philadelphia County that have flexible change policies?
At Expedia, we've been channeling our inner yoga master to bring you the most flexible fares around. Just tick the "No change fee" box directly underneath the filter subheading "Flexible change policies" to find your dream flight to Philadelphia County.
Which airlines fly to Philadelphia County?
Choose a seat with one of these airlines and dynamic Philadelphia County will be yours to explore:

  • American Airlines - 6,663 flights to or near Philadelphia County each month, including 6,663 flights to Philadelphia Intl. Airport (PHL) per month.
  • Frontier Airlines - 793 flights to or near Philadelphia County each month, including 793 flights to Philadelphia Intl. Airport (PHL) per month.
  • Delta Air Lines - 567 flights to or near Philadelphia County each month, including 567 flights to Philadelphia Intl. Airport (PHL) per month.

How can I find cheap tickets to Philadelphia County?
In the last seven days, HK$1,068 was the lowest price for a flight to Philadelphia County. If you want to save even more, book well in advance and be flexible with your travel dates. Search for your journey to Philadelphia County, then check out prices for nearby days by clicking on the "flexible dates" link above.
How much is a flight to Philadelphia County?
You could have nabbed a return flight to Philadelphia County from anywhere between HK$1,068 and HK$8,471 in the last seven days. For one-way trips leaving from Boston (BOS), the lowest price during this period was HK$540.
What are the most popular airports to fly into in Philadelphia County?
Fly into Philadelphia Intl. Airport (PHL) and experience everything that Philadelphia County has to offer. As the region's primary entry point, roughly 9,429 flights land here each month.
When is the cheapest time to fly to Philadelphia County?
If you're not fixed on what day you jet off to Philadelphia County, try to depart early in the week. The most affordable day to take off is usually Tuesday, followed closely by Monday. Saturday is typically the costliest day, with many people choosing to fly on the weekend.
How much is a plane ticket to Philadelphia County?
In the last seven days, flights to Philadelphia County ranged between HK$1,068 and HK$8,471. Prices generally depend on the departure time, airline, seating class and how early you make your booking.
What months are the cheapest to book a flight to Philadelphia County?
Snap up a ticket in February for inexpensive flights to Philadelphia County. The festive month of December is often the most expensive time to buy an airfare.

Trending flights to Philadelphia County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Thu, 22 Jan - Wed, 28 Jan
HKG
Hong Kong SAR
PHL
Philadelphia
HK$6,461 Return, found 2 days ago
HK$6,461
Return
found 2 days ago
Select China Airlines flight, departing Thu, 22 Jan from Hong Kong SAR to Philadelphia, returning Wed, 28 Jan, priced at HK$6,461 found 2 days ago
*Available to Expedia members.