$84 Cheap Frontier Airlines flights Philadelphia (PHL) to Charleston (CHS)

You can discover affordable round-trip Frontier Airlines flights from $148 from PHL to CHS by filtering your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $84 for a one-way journey.**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.

Look for return or one-way flights to Charleston in January or December. You could find a cheap fare with Frontier Airlines during these off-peak travel months.

To find cheap Frontier Airlines fares from Philadelphia Intl. Airport (PHL) to Charleston Intl. Airport (CHS), 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 impact the price you pay. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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.

Click on the “Nonstop” filter when browsing for direct Frontier Airlines flights from PHL to CHS. It’s also a great way to compare other airlines servicing the same nonstop route.

To find the earliest departures from PHL to CHS with Frontier Airlines, sort your results by “Early Morning” and “Morning.” Choosing an early flight generally means you’ll experience 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.

Charleston Intl. Airport (CHS) is the primary Charleston hub for Frontier Airlines flights from Philadelphia Intl. Airport (PHL).

With a rewarding loyalty program, Frontier Airlines is a favorite of many passengers journeying from PHL to CHS. 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.

Changes are often free within 24 hours of making a booking, but your airline may charge a fee after that time. For more details about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to update your itinerary without being charged, check the “Changes included” or “No cancel fee” filter when organizing your trip.