$141 Cheap Delta flights Raleigh (RDU) to San Antonio (SAT)

Apply the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines round-trip flights from $281 from RDU to SAT. Affordable one-way tickets from $141 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.

Browse for return or one-way flights to San Antonio in January or September. You could find cheaper fares with Delta Air Lines during these off-peak months.

For cheap Delta Air Lines fares from Raleigh - Durham Intl. Airport (RDU) to San Antonio Intl. Airport (SAT), 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 influence the overall cost. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight 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.

Select our “Nonstop” filter when browsing for direct Delta Air Lines flights from RDU to SAT. It’s also an easy way to compare other airlines offering the same direct route.

Search Delta Air Lines’s earliest flights from RDU to SAT by checking the “Morning” and “Early Morning” filters. Not only will you arrive sooner, early departures also experience 20% 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.

San Antonio Intl. Airport (SAT) is the main San Antonio hub for Delta Air Lines flights from Raleigh - Durham Intl. Airport (RDU).

Traveling from RDU to SAT with Delta Air Lines means enjoying a host of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book 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.

In most cases, you can change or cancel your flight, although there may be a charge if you booked more than 24 hours ago. Need to keep your options open? Apply the “No cancel fee” or “Changes included” filter to find flights that won’t charge you extra if you need to revise your plans. To make changes, visit “Trips,” select your flight and click on “Manage Booking” for more information.