Sunset, Philadelphia, Pennsylvania

Cheap flights to Philadelphia County

View €253 flight on Thu, 27 Aug 2026Opens in a new window

Popular airlines to Philadelphia County

  • Frontier Airlines

  • American Airlines

  • United

  • Delta

  • JetBlue Airways

  • Alaska Airlines

  • Southwest Airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • 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 €253 for one-way flights and €477 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Mon, 3 Aug - Mon, 31 Aug
DUB
Dublin
PHL
Philadelphia
€477 Return, found 18 hours ago
€477
Return
found 18 hours ago
Select JetBlue Airways flight, departing Mon, 3 Aug from Dublin to Philadelphia, returning Mon, 31 Aug, priced at €477 found 18 hours ago
Finnair
Wed, 24 Mar - Mon, 12 Apr
DUB
Dublin
PHL
Philadelphia
€497 Return, found 2 days ago
€497
Return
found 2 days ago
Select Finnair flight, departing Wed, 24 Mar from Dublin to Philadelphia, returning Mon, 12 Apr, priced at €497 found 2 days ago
Finnair
Fri, 11 Sept - Wed, 23 Sept
DUB
Dublin
PHL
Philadelphia
€501 Return, found 3 days ago
€501
Return
found 3 days ago
Select Finnair flight, departing Fri, 11 Sept from Dublin to Philadelphia, returning Wed, 23 Sept, priced at €501 found 3 days ago
Finnair
Fri, 18 Sept - Mon, 21 Sept
DUB
Dublin
PHL
Philadelphia
€501 Return, found 16 hours ago
€501
Return
found 16 hours ago
Select Finnair flight, departing Fri, 18 Sept from Dublin to Philadelphia, returning Mon, 21 Sept, priced at €501 found 16 hours ago
Finnair
Wed, 24 Mar - Mon, 12 Apr
DUB
Dublin
PHL
Philadelphia
€504 Return, found 2 days ago
€504
Return
found 2 days ago
Select Finnair flight, departing Wed, 24 Mar from Dublin to Philadelphia, returning Mon, 12 Apr, priced at €504 found 2 days ago
British Airways
Fri, 9 Oct - Mon, 26 Oct
DUB
Dublin
PHL
Philadelphia
€507 Return, found 3 days ago
€507
Return
found 3 days ago
Select British Airways flight, departing Fri, 9 Oct from Dublin to Philadelphia, returning Mon, 26 Oct, priced at €507 found 3 days ago
Iberia
Tue, 15 Sept - Sun, 20 Sept
DUB
Dublin
PHL
Philadelphia
€516 Return, found 8 hours ago
€516
Return
found 8 hours ago
Select Iberia flight, departing Tue, 15 Sept from Dublin to Philadelphia, returning Sun, 20 Sept, priced at €516 found 8 hours ago
American Airlines
Wed, 24 Mar - Mon, 12 Apr
DUB
Dublin
PHL
Philadelphia
€516 Return, found 2 days ago
€516
Return
found 2 days ago
Select American Airlines flight, departing Wed, 24 Mar from Dublin to Philadelphia, returning Mon, 12 Apr, priced at €516 found 2 days ago
Aer Lingus
Tue, 15 Sept - Sun, 20 Sept
DUB
Dublin
PHL
Philadelphia
€520 Return, found 8 hours ago
€520
Return
found 8 hours ago
Select Aer Lingus flight, departing Tue, 15 Sept from Dublin to Philadelphia, returning Sun, 20 Sept, priced at €520 found 8 hours ago
KLM
Thu, 29 Oct - Mon, 2 Nov
DUB
Dublin
PHL
Philadelphia
€557 Return, just found
€557
Return
just found
Select KLM flight, departing Thu, 29 Oct from Dublin to Philadelphia, returning Mon, 2 Nov, priced at €557 just found

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.

JetBlue Airways
Mon, 3 Aug - Mon, 31 Aug
DUB
Dublin
PHL
Philadelphia
€477 Return, found 18 hours ago
€477
Return
found 18 hours ago
Select JetBlue Airways flight, departing Mon, 3 Aug from Dublin to Philadelphia, returning Mon, 31 Aug, priced at €477 found 18 hours ago

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, €477 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 €477 and €557 in the last seven days. For one-way trips leaving from Dublin (DUB), the lowest price during this period was €253.
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.
How much is a plane ticket to Philadelphia County?
In the last seven days, flights to Philadelphia County ranged between €477 and €557. 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.

Book with confidence

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.
About Philadelphia County
*Available to Expedia members.