$144 Cheap Delta flights Greenville (GSP) to Philadelphia (PHL)

Use the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines return flights from $271 from GSP to PHL. Affordable one-way options from $144 are available too.**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.

Delta Air Lines flights to Philadelphia are usually more affordable in the quieter months of January and February. Whether you’re after a one-way or round-trip ticket, you could find a better deal then.

To find cheap Delta Air Lines fares from Greenville-Spartanburg Intl. Airport (GSP) 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 impact the cost. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey 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.

To find out if there’s a direct route from GSP to PHL with Delta Air Lines or other carriers, use our “Nonstop” filter when searching for flights.

Sort your results by “Early Morning” and “Morning” to browse the earliest departures from GSP to PHL. Heading off early means flight cancellations are less likely.**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.

Philadelphia Intl. Airport (PHL) is the primary Philadelphia hub for Delta Air Lines flights from Greenville-Spartanburg Intl. Airport (GSP).

Flying from GSP to PHL with Delta Air Lines means enjoying a host of benefits, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are usually free within 24 hours of making a booking, but your airline may charge you after that time. For more details about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without being charged, apply the “Changes included” or “No cancel fee” filter when planning your next getaway.