$141 Cheap Delta flights San Antonio (SAT) to Philadelphia (PHL)

You can discover budget-friendly return Delta Air Lines flights from $229 from SAT to PHL by filtering your results from “Price (lowest to highest)” on Expedia. Or search for deals from $141 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 one-way or return flights to Philadelphia in January or February. You could find an affordable fare with Delta Air Lines during these off-peak travel months.

For cheap Delta Air Lines fares from San Antonio Intl. Airport (SAT) to Philadelphia Intl. Airport (PHL), start searching one to three months before your planned 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 overall price. Sunday is generally 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.

To find out if there’s a direct route from SAT to PHL with Delta Air Lines or other airlines, check the “Nonstop” box when browsing for tickets.

Filter your results by “Early Morning” and “Morning” to find the earliest departures from SAT to PHL. Jetting off early means you’re less likely to experience 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.

Take a Delta Air Lines flight from San Antonio Intl. Airport (SAT) to Philadelphia, and you’ll most likely touch down at Philadelphia Intl. Airport (PHL). This is the airline’s primary hub in this city.

Taking off from SAT to PHL with Delta Air Lines comes with a variety of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to redeem 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.

In most cases, you can cancel or reschedule your flight, although there may be additional charges if you booked over 24 hours ago. Prefer to keep your options open? Make use of Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t penalize you if you need to alter your plans. To make changes, head to “Trips,” select your flight and click on “Manage Booking” for more details.