$188 Cheap United flights Detroit (DTW) to San Antonio (SAT)

View $188 flight on Wed, Jan 7, 2026Opens in a new window
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$188 Cheap United flights Detroit (DTW) to San Antonio (SAT)

Prices were available within the past 7 days and start at $188 for one-way flights and $365 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jan 6 - Sat, Jan 10
DTW
Detroit
SAT
San Antonio
$365 Roundtrip, found 3 hours ago
$365
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jan 6 from Detroit to San Antonio, returning Sat, Jan 10, priced at $365 found 3 hours ago
Flights from Detroit (DTW) to San Antonio (SAT)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Popular airline
Spirit Airlines
Distance
1215 mi
Average flight time
2 hours 25 mins

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Frequently asked questions

How much is a United Airlines flight from Detroit Metropolitan Wayne County Airport (DTW) to San Antonio Intl. Airport (SAT)?
Set the "Price (lowest to highest)" filter on Expedia to find cheap United Airlines round-trip flights from $365 from DTW to SAT. Affordable one-way fares from $188 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.
What is the cheapest month to fly from DTW to SAT with United Airlines?
Browse for round-trip or one-way flights to San Antonio in January or September. You could find a cheap fare with United Airlines during these off-season months.
What is the cheapest time to book flights from Detroit Metropolitan Wayne County Airport (DTW) to San Antonio Intl. Airport (SAT) with United Airlines?
Start searching one to three months ahead of your travel date to find cheap fares on United Airlines flights from Detroit Metropolitan Wayne County Airport (DTW) to San Antonio Intl. Airport (SAT). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, 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.
Does United Airlines fly nonstop from Detroit Metropolitan Wayne County Airport (DTW) to San Antonio Intl. Airport (SAT)?
To figure out if there's a direct route from DTW to SAT with United Airlines or any other airlines, check the "Nonstop" box when looking for tickets.
What is the earliest United Airlines flight from DTW to SAT?
To find the earliest departures from DTW to SAT with United Airlines, filter your search by "Early Morning" and "Morning." Choosing an early flight generally 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.
What airports does United Airlines fly into in San Antonio?
United Airlines flights from Detroit Metropolitan Wayne County Airport (DTW) to San Antonio come in to land at San Antonio Intl. Airport (SAT). This is the main entry point to this city.
Why fly with United Airlines from DTW to SAT?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to leave from DTW to SAT with United Airlines. Plus, by joining Expedia's free One Key™ program, you can earn OneKeyCash™* in addition to any airline loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Detroit Metropolitan Wayne County Airport (DTW) to San Antonio Intl. Airport (SAT)?
Changes are often free within 24 hours of booking, but your airline may charge a fee after that time. For further details about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your plans without extra charges, check the "No cancel fee" or "Changes included" filter when organizing your next break.

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