$169 Cheap Delta flights San Antonio (SAT) to Detroit (DTW)

Make use of the "Price (lowest to highest)" filter on Expedia to find cheap Delta Air Lines return flights from $299 from SAT to DTW. Affordable one-way fares from $169 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.

Begin your search one to three months ahead of your travel date to score cheap fares on Delta Air Lines flights from San Antonio Intl. Airport (SAT) to Detroit Metropolitan Wayne County Airport (DTW). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*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 earliest Delta Air Lines flight from SAT to DTW departs at 5:15AM UTC-6, touching down at 9:10AM UTC-5. If you'd like to head off later in the day, the last Delta Air Lines flight leaves SAT at 4:50PM UTC-6 and lands at DTW at 8:50PM UTC-5. Flying before noon is often a good idea as morning flights are less likely to be canceled.**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.

Flying from SAT to DTW with Delta Air Lines comes with a host of benefits, including an excellent in-flight experience and a rewarding loyalty program. Plus, when you book through Expedia, One Key™ members can collect 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.