$189 Cheap American Airlines flights Detroit (DTW) to San Antonio (SAT)

View $189 flight on Wed, Jan 28, 2026Opens in a new window
  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$189 Cheap American Airlines flights Detroit (DTW) to San Antonio (SAT)

Prices were available within the past 7 days and start at $189 for one-way flights and $399 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Feb 14 - Wed, Feb 18
DTW
Detroit
SAT
San Antonio
$399 Roundtrip, found 1 hour ago
$399
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Feb 14 from Detroit to San Antonio, returning Wed, Feb 18, priced at $399 found 1 hour ago

Find the cheapest month to fly from Detroit (DTW) to San Antonio (SAT)

May is typically the cheapest month to fly

From $107 - $439 per traveler.

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $298
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $298

Travel information

Origin airport
Detroit Metropolitan Wayne County
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Popular airline
American Airlines
Distance
1215 mi
Average flight time
2 hours 27 mins
*Available to One Key members.