$160 Cheap Frontier Airlines flights Phoenix (PHX) to Philadelphia (PHL)

View $160 flight on Wed, Jul 30, 2025Opens in a new window

$160 Cheap Frontier Airlines flights Phoenix (PHX) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $160 for one-way flights and $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Sep 12 - Mon, Sep 22
PHX
Phoenix
PHL
Philadelphia
$281 Roundtrip, just found
$281
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Sep 12 from Phoenix to Philadelphia, returning Mon, Sep 22, priced at $281 just found
Frontier Airlines
Mon, Jul 14 - Sat, Jul 19
PHX
Phoenix
TTN
Trenton
$310 Roundtrip, found 3 days ago
$310
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jul 14 from Phoenix to Trenton, returning Sat, Jul 19, priced at $310 found 3 days ago
Frontier Airlines
Wed, Jul 2 - Wed, Jul 9
PHX
Phoenix
PHL
Philadelphia
$320 Roundtrip, just found
$320
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jul 2 from Phoenix to Philadelphia, returning Wed, Jul 9, priced at $320 just found
Frontier Airlines
Fri, Jun 27 - Thu, Jul 3
PHX
Phoenix
TTN
Trenton
$330 Roundtrip, found 5 days ago
$330
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Jun 27 from Phoenix to Trenton, returning Thu, Jul 3, priced at $330 found 5 days ago
Frontier Airlines
Mon, Jun 30 - Thu, Jul 10
PHX
Phoenix
TTN
Trenton
$336 Roundtrip, found 2 hours ago
$336
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Jun 30 from Phoenix to Trenton, returning Thu, Jul 10, priced at $336 found 2 hours ago
Frontier Airlines
Mon, Jun 30 - Thu, Jul 10
PHX
Phoenix
TTN
Trenton
$350 Roundtrip, found 12 hours ago
$350
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Mon, Jun 30 from Phoenix to Trenton, returning Thu, Jul 10, priced at $350 found 12 hours ago
Flights from Phoenix (PHX) to Philadelphia (PHL)
Origin airport
Sky Harbor Intl.
Destination airport
Philadelphia Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
American Airlines
Distance
2070 mi
Average flight time
7 hours 39 mins

Frequently asked questions

How much is a Frontier Airlines flight from Sky Harbor Intl. Airport (PHX) to Philadelphia Intl. Airport (PHL)?
Landing cheap one-way Frontier Airlines flights from PHX to PHL from $160 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from $281 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PHX to PHL with Frontier Airlines?
Frontier Airlines flights to Philadelphia are often more affordable in the quieter months of January and February. Whether you're in search of a return or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Sky Harbor Intl. Airport (PHX) to Philadelphia Intl. Airport (PHL) with Frontier Airlines?
Start searching one to three months ahead of your departure date to get cheaper fares on Frontier Airlines flights from Sky Harbor Intl. Airport (PHX) to Philadelphia Intl. Airport (PHL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Sky Harbor Intl. Airport (PHX) to Philadelphia Intl. Airport (PHL)?
To find out if there's a direct trip from PHX to PHL with Frontier Airlines or another carrier, select the "Nonstop" filter when searching for tickets.
What is the earliest Frontier Airlines flight from PHX to PHL?
Browse Frontier Airlines's earliest flights from PHX to PHL by selecting the "Early Morning" and "Morning" filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Philadelphia?
Get on a Frontier Airlines flight from Sky Harbor Intl. Airport (PHX) to Philadelphia, and you're most likely to come in to Philadelphia Intl. Airport (PHL). This is the airline's primary hub in this city.
Why fly with Frontier Airlines from PHX to PHL?
Travel from PHX to PHL with Frontier Airlines and look forward to a host of benefits starting with a rewarding loyalty program. When booking through Expedia as a Frontier Miles and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from Sky Harbor Intl. Airport (PHX) to Philadelphia Intl. Airport (PHL)?
Changes are generally free within 24 hours of making a booking, but your airline may charge you after that time. For more details about altering your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the flexibility to adjust your plans without being charged, check the "Changes included" and "No cancel fee" filters when planning your next trip.

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*Available to One Key members.