$44 Cheap Frontier Airlines flights Jacksonville (JAX) to Philadelphia (PHL)

Landing cheap one-way Frontier Airlines flights from JAX to PHL from $44 on Expedia is easy — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $88 for your next break.**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.

Browse for one-way or return flights to Philadelphia in January or February. You could find an affordable fare with Frontier Airlines during these off-season months.

To find cheap Frontier Airlines fares from Jacksonville Intl. Airport (JAX) to Philadelphia Intl. Airport (PHL), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact how much you pay. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

Frontier Airlines operates direct flights from Jacksonville Intl. Airport (JAX) to Philadelphia Intl. Airport (PHL), with 5 departures every week. Just choose the “Nonstop” and “Airline” filters during your search on Expedia to show all direct Frontier Airlines flights to PHL.

From takeoff till landing, a nonstop Frontier Airlines flight from Jacksonville Intl. Airport (JAX) to Philadelphia Intl. Airport (PHL) takes around 2h 13m.

Departing JAX at 8:14AM UTC-5, the first Frontier Airlines flight to PHL lands at 10:26AM UTC-5. Flying earlier in the day means you’re less likely to encounter cancellations or delays.* Don’t like early starts? The last Frontier Airlines flight from JAX to PHL departs at 7:18PM UTC-5 and touches down at 9:31PM UTC-5.*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.

Board a Frontier Airlines flight from Jacksonville Intl. Airport (JAX) to Philadelphia, and you’re most likely to arrive at Philadelphia Intl. Airport (PHL). This is the airline’s main hub in this destination.

Offering a rewarding loyalty program, Frontier Airlines is a top pick for many passengers departing from JAX to PHL. Plus, if you’re a Frontier Miles and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely be onboard an Airbus A320neo or an Airbus A321 when flying Frontier Airlines from Jacksonville Intl. Airport (JAX) to Philadelphia Intl. Airport (PHL). However, keep in mind that a different plane may be used due to operational demands.

It’s usually possible to change or cancel your flight, although additional charges may apply if you made your booking more than 24 hours ago. Prefer to keep your options open? Make use of our “Changes included” or “No cancel fee” filter to find flights that won’t charge extra if you need to adjust your plans. To make changes, go to “Trips,” select your flight and click on “Manage Booking” for more details.