$93+ Cheap flights from Detroit to San Antonio (DTT - SAT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAT
Oct 17 — Oct 241
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Detroit to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Detroit All airports to San Antonio are usually found in August or July, booked 11 days in advance, depart on a Wednesday or Saturday and return on a Thursday
Cheap flight deals from Detroit to San Antonio
Cheapest
Best
Last-minute
One-way
Cheapest flights from Detroit to San AntonioExplore the most affordable flight options available from Detroit to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Detroit to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:35 pm -
1 stop23h 51m
Tue 11/38:20 pm -
1 stop26h 31m
Deal found 9/16![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:08 am -
1 stop13h 18m
Tue 10/208:21 pm -
1 stop18h 13m
Deal found 9/15![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop13h 25m
Sat 10/318:20 pm -
1 stop19h 14m
Deal found 9/14![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop13h 25m
Fri 10/3012:38 pm -
2 stops25h 59m
Deal found 9/16![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:35 pm -
1 stop23h 50m
Fri 10/308:11 pm -
1 stop18h 23m
Deal found 9/16![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:00 am -
1 stop13h 25m
Mon 11/168:20 pm -
1 stop18h 14m
Deal found 9/16![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop13h 25m
Mon 11/98:20 pm -
1 stop18h 14m
Deal found 9/13![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop13h 25m
Thu 11/129:25 am -
1 stop25h 42m
Deal found 9/15![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop13h 25m
Mon 11/28:20 pm -
1 stop18h 14m
Deal found 9/15![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:51 pm -
1 stop14h 54m
Tue 10/278:20 pm -
1 stop18h 14m
Deal found 9/16![Multiple Airlines logo]()
$240
Best flights from Detroit to San AntonioDiscover carefully curated flight deals from Detroit to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Detroit to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am -
2 stops8h 15m
Sun 11/85:25 am -
2 stops6h 25m
Deal found 9/15![Southwest logo]()
$402
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:10 pm -
Nonstop3h 10m
Mon 11/25:15 am -
Nonstop3h 00m
Deal found 9/15![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:10 pm -
Nonstop3h 10m
Mon 11/94:00 pm -
Nonstop3h 00m
Deal found 9/15![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:10 am -
2 stops7h 45m
Wed 10/1411:25 am -
2 stops8h 40m
Deal found 9/13![Southwest logo]()
$446
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:59 pm -
Nonstop3h 08m
Sun 10/185:15 am -
Nonstop3h 00m
Deal found 9/15![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:37 pm -
Nonstop3h 13m
Wed 10/214:00 pm -
Nonstop3h 06m
Deal found 9/13![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:37 pm -
Nonstop3h 13m
Sun 11/15:15 am -
Nonstop3h 00m
Deal found 9/14![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:20 am -
1 stop5h 34m
Sun 11/155:30 am -
Nonstop2h 56m
Deal found 9/14![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:05 pm -
1 stop8h 27m
Mon 11/235:30 am -
Nonstop2h 56m
Deal found 9/16![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:32 pm -
1 stop5h 42m
Tue 10/275:15 am -
Nonstop3h 00m
Deal found 9/14![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:37 pm -
Nonstop3h 13m
Fri 10/235:15 am -
Nonstop3h 00m
Deal found 9/12![Delta logo]()
$449
Last-minute flights from Detroit to San AntonioDiscover last-minute flight deals from Detroit to San Antonio. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to San Antonio. Data last updated September 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:08 am -
1 stop13h 18m
Tue 10/208:21 pm -
1 stop18h 13m
Deal found 9/15![Frontier logo]()
$203
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:35 pm -
1 stop23h 51m
Tue 11/38:20 pm -
1 stop26h 31m
Deal found 9/16![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:51 pm -
1 stop14h 54m
Tue 10/278:20 pm -
1 stop18h 14m
Deal found 9/16![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
2 stops14h 26m
Tue 10/278:20 pm -
1 stop26h 31m
Deal found 9/16![Frontier logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop13h 25m
Fri 10/3012:38 pm -
2 stops25h 59m
Deal found 9/16![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:35 pm -
1 stop23h 50m
Fri 10/308:11 pm -
1 stop18h 23m
Deal found 9/16![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop13h 25m
Sat 10/318:20 pm -
1 stop19h 14m
Deal found 9/14![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop13h 25m
Mon 11/28:20 pm -
1 stop18h 14m
Deal found 9/15![Frontier logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop13h 25m
Thu 11/58:20 pm -
1 stop26h 31m
Deal found 9/12![Frontier logo]()
$247
One-way flights from Detroit to San AntonioSearch for one-way flight options from Detroit to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Detroit to San Antonio. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Super.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am -
1 stop13h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$93
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:08 am -
1 stop13h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$95
This Priceline deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:58 am -
1 stop7h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am -
1 stop13h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$104
This CheapOair deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/147:00 am -
1 stop13h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 am -
1 stop13h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop13h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:35 pm -
1 stop23h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$125
Find flight deals from Detroit to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (Kiwi.com) |
One-way from | $93 (Super.com) |
Popular in | May |
Cheapest in | August |
Average price | $409 |
Good round-trip deal | $409 or less |
Good one-way deal | $373 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Detroit to San Antonio that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DetroitSan Antonio
DTW Detroit Metropolitan Wayne County - SAT San Antonio
DTWSAT
Detroit Metropolitan Wayne County
Wed 10/14
11:05 am-11:20 pm
2 stops13h 15m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$153
DetroitSan Antonio
DTW Detroit Metropolitan Wayne County - SAT San Antonio
DTWSAT
Detroit Metropolitan Wayne County
Mon 12/14
6:20 pm-10:40 pm
1 stop5h 20m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$161
DetroitSan Antonio
DTW Detroit Metropolitan Wayne County - SAT San Antonio
DTWSAT
Detroit Metropolitan Wayne County
Sat 12/12
9:00 am-1:15 pm
1 stop5h 15m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$235
DetroitSan Antonio
DTW Detroit Metropolitan Wayne County - SAT San Antonio
DTWSAT
Detroit Metropolitan Wayne County
Mon 10/12
4:25 pm-11:55 pm
1 stop8h 30m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$285
DetroitSan Antonio
DTW Detroit Metropolitan Wayne County - SAT San Antonio
DTWSAT
Detroit Metropolitan Wayne County
Sun 10/11
7:05 am-1:20 pm
2 stops7h 15m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$290
DetroitSan Antonio
DTW Detroit Metropolitan Wayne County - SAT San Antonio
DTWSAT
Detroit Metropolitan Wayne County
Sat 12/12
11:47 am-2:12 pm
Nonstop3h 25m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$309
DetroitSan Antonio
DTW Detroit Metropolitan Wayne County - SAT San Antonio
DTWSAT
Detroit Metropolitan Wayne County
Wed 12/9
8:30 pm-10:58 pm
Nonstop3h 28m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$309
Quickest round-trip
DetroitSan Antonio
DTW Detroit Metropolitan Wayne County - SAT San Antonio
DTWSAT
Detroit Metropolitan Wayne County
Wed 10/21
8:59 pm-11:07 pm
Nonstop3h 08m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$309
DetroitSan Antonio
DTW Detroit Metropolitan Wayne County - SAT San Antonio
DTWSAT
Detroit Metropolitan Wayne County
Thu 10/15
8:59 pm-11:07 pm
Nonstop3h 08m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$309
DetroitSan Antonio
DTW Detroit Metropolitan Wayne County - SAT San Antonio
DTWSAT
Detroit Metropolitan Wayne County
Mon 12/14
8:30 pm-10:58 pm
Nonstop3h 28m
San Antonio
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$309
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Detroit to San Antonio
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to San Antonio in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Detroit-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Detroit to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Detroit with our price prediction graph.
DTT-SAT
DTW-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Detroit to San Antonio
DTT-SAT
DTW-SAT
What is the cheapest month to book a flight from Detroit to San Antonio?
Currently, July is the cheapest month in which you can book a flight from Detroit to San Antonio (average of $423). Flying from Detroit to San Antonio in August is currently the most expensive (average of $481). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DTT to SAT?
Find hourly flight availability from Detroit to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
One of the essential ways to save on airfare from Detroit to San Antonio is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 4% on airfare.
Weekly flight availability from Detroit to San Antonio
Explore weekly flight availability from Detroit to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2026.
The most flights from DTT to SAT are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).
How much does it cost to fly round-trip from Detroit to San Antonio?
Airfare is below average for this route at the moment.
Detroit to San Antonio flights typically cost between $379 and $449 in October.The cheapest round-trip price found within the last 5 days was $193 on Frontier (Oct 20-Nov 3).
How far ahead should I book a flight from Detroit to San Antonio?
To ensure you get the cheapest price possible for a flight from Detroit to San Antonio, you should look to book at least 2 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated September 17, 2026.
Read reviews from past customers who have flown Southwest,Delta, andFrontier from Detroit to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Detroit to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Detroit
Popular flights
San Antonio flight routes
Alternative routes for Detroit to San Antonio
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Detroit to San Antonio by cabin class
Find flights from Detroit to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Detroit and San Antonio flights
Browse other Detroit and San Antonio flight options. Last updated on September 17, 2026.
Other flights from Detroit
Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Top 4 airlines flying from Detroit to San Antonio
Discover the top 4 airlines that operate flights from Detroit to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$195 | Average$290 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$339 | Average$475 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$358 | Average$498 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$363 | Average$438 | FlexibilityNo cancel fee | On-time63% |