$39 Cheap Frontier Airlines flights Charlotte (CLT) to Philadelphia (PHL)

Use the "Price (lowest to highest)" filter on Expedia to search for cheap Frontier Airlines round-trip flights from $80 from CLT to PHL. Affordable one-way options from $39 are available as well.**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.

To find cheap Frontier Airlines fares from Charlotte-Douglas Intl. Airport (CLT) to Philadelphia Intl. Airport (PHL), start searching one to three months before your intended departure. Securing 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 affect the cost. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip 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.

The first flight from CLT to PHL with Frontier Airlines leaves at 9:38AM UTC-5. You'll land at 11:34AM UTC-5. The final Frontier Airlines flight of the day takes off at 4:07PM UTC-5 and arrives at 5:58PM UTC-5. With 20% fewer cancellations for morning and mid-morning departures, starting your travel day early is generally the best option.**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.

With a rewarding loyalty program, Frontier Airlines is a popular choice for many passengers journeying from CLT to PHL. Plus, as 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.