Cheap flights from Detroit to San Antonio from C$ 181
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAT
21 Dec — 28 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Detroit All airports to San Antonio are usually found in August or June, booked 65 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap 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 21 November 2025.
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 21 November 2025.
Thu 18/1210:01 p.m.DTW - SAT
1 stop14h 20mFrontier
Thu 25/126:45 a.m.SAT - DTW
1 stop8h 34mFrontier
Deal found 20/11C$ 232
Sat 6/126:12 p.m.DTW - SAT
1 stop14h 43mFrontier
Thu 11/129:10 a.m.SAT - DTW
1 stop7h 07mFrontier
Deal found 19/11C$ 257
Tue 9/129:40 a.m.DTW - SAT
1 stop8h 25mMultiple Airlines
Thu 11/129:10 a.m.SAT - DTW
1 stop7h 07mMultiple Airlines
Deal found 19/11C$ 315
Thu 18/125:14 p.m.DTW - SAT
1 stop8h 03mMultiple Airlines
Thu 25/1212:45 p.m.SAT - DTW
1 stop7h 47mMultiple Airlines
Deal found 20/11C$ 352
Sat 6/125:15 p.m.DTW - SAT
2 stops17h 15mMultiple Airlines
Thu 11/129:10 a.m.SAT - DTW
1 stop7h 07mMultiple Airlines
Deal found 19/11C$ 376
Tue 9/1211:19 a.m.DTW - SAT
3 stops30h 46mSpirit Airlines
Thu 11/125:40 a.m.SAT - DTW
1 stop13h 18mSpirit Airlines
Deal found 19/11C$ 394
Thu 18/125:50 a.m.DTW - SAT
3 stops18h 36mSpirit Airlines
Thu 25/1212:45 p.m.SAT - DTW
1 stop7h 47mSpirit Airlines
Deal found 20/11C$ 400
Sat 6/125:15 p.m.DTW - SAT
2 stops31h 11mSpirit Airlines
Thu 11/125:40 a.m.SAT - DTW
2 stops17h 29mSpirit Airlines
Deal found 19/11C$ 411
Best flights from Detroit to San Antonio
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 21 November 2025.
Mon 5/18:25 p.m.DTW - SAT
Nonstop3h 30mDelta
Sat 10/14:00 p.m.SAT - DTW
Nonstop3h 03mDelta
Deal found 18/11C$ 561
Thu 22/18:25 p.m.DTW - SAT
Nonstop3h 30mDelta
Mon 26/15:30 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 19/11C$ 561
Tue 24/28:42 a.m.DTW - SAT
Nonstop3h 43mDelta
Sat 28/25:25 a.m.SAT - DTW
Nonstop2h 58mDelta
Deal found 19/11C$ 561
Thu 12/28:25 p.m.DTW - SAT
Nonstop3h 32mDelta
Mon 16/24:00 p.m.SAT - DTW
Nonstop3h 03mDelta
Deal found 20/11C$ 561
Tue 20/18:25 p.m.DTW - SAT
Nonstop3h 30mDelta
Tue 27/15:30 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 20/11C$ 561
Thu 5/28:25 p.m.DTW - SAT
Nonstop3h 30mDelta
Tue 10/25:30 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 18/11C$ 561
Mon 2/28:25 p.m.DTW - SAT
Nonstop3h 30mDelta
Thu 19/25:25 a.m.SAT - DTW
Nonstop2h 58mDelta
Deal found 20/11C$ 561
Wed 24/128:35 a.m.DTW - SAT
Nonstop3h 33mDelta
Sat 27/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 20/11C$ 561
Thu 26/28:25 p.m.DTW - SAT
Nonstop3h 32mDelta
Tue 3/35:25 a.m.SAT - DTW
Nonstop2h 58mDelta
Deal found 20/11C$ 561
Tue 27/14:16 p.m.DTW - SAT
1 stop7h 12mDelta
Sun 1/25:30 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 19/11C$ 575
Direct flights from Detroit to San Antonio
Explore direct flight options from Detroit to San Antonio based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 November 2025.
Mon 5/18:25 p.m.DTW - SAT
Nonstop3h 30mDelta
Mon 12/14:00 p.m.SAT - DTW
Nonstop3h 03mDelta
Deal found 19/11C$ 561
Wed 17/121:46 p.m.DTW - SAT
Nonstop3h 18mDelta
Mon 22/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 19/11C$ 589
Thu 11/128:25 a.m.DTW - SAT
Nonstop3h 31mDelta
Sun 14/1211:51 a.m.SAT - DTW
Nonstop3h 04mDelta
Deal found 19/11C$ 618
Fri 27/38:50 a.m.DTW - SAT
Nonstop3h 43mDelta
Sun 29/35:20 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 20/11C$ 658
Sat 6/1210:30 a.m.DTW - SAT
Nonstop3h 30mDelta
Thu 11/1211:51 a.m.SAT - DTW
Nonstop3h 04mDelta
Deal found 19/11C$ 660
Tue 16/128:25 a.m.DTW - SAT
Nonstop3h 31mDelta
Fri 19/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 19/11C$ 688
Wed 7/18:46 a.m.DTW - SAT
Nonstop3h 41mDelta
Thu 8/15:30 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 18/11C$ 699
Thu 4/121:46 p.m.DTW - SAT
Nonstop3h 18mDelta
Sat 6/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 19/11C$ 702
Fri 19/121:46 p.m.DTW - SAT
Nonstop3h 18mDelta
Sun 21/124:06 p.m.SAT - DTW
Nonstop3h 05mDelta
Deal found 19/11C$ 715
Fri 5/121:46 p.m.DTW - SAT
Nonstop3h 18mDelta
Fri 12/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 19/11C$ 730
Fri 27/38:50 a.m.DTW - SAT
Nonstop3h 43mDelta
Tue 31/35:20 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 19/11C$ 744
Tue 30/128:34 a.m.DTW - SAT
Nonstop3h 33mDelta
Fri 2/15:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 19/11C$ 758
Last-minute flights from Detroit to San Antonio
Discover last-minute flight deals from Detroit to San Antonio. Data last updated 21 November 2025 and is based on user searches.
Sat 6/126:12 p.m.DTW - SAT
1 stop14h 43mFrontier
Thu 11/129:10 a.m.SAT - DTW
1 stop7h 07mFrontier
Deal found 19/11C$ 257
Sat 6/125:15 p.m.DTW - SAT
2 stops17h 15mMultiple Airlines
Thu 11/129:10 a.m.SAT - DTW
1 stop7h 07mMultiple Airlines
Deal found 19/11C$ 376
Sat 6/125:15 p.m.DTW - SAT
2 stops31h 11mSpirit Airlines
Thu 11/125:40 a.m.SAT - DTW
2 stops17h 29mSpirit Airlines
Deal found 19/11C$ 411
Tue 9/129:40 a.m.DTW - SAT
1 stop8h 25mMultiple Airlines
Thu 11/129:10 a.m.SAT - DTW
1 stop7h 07mMultiple Airlines
Deal found 19/11C$ 315
Tue 9/1211:19 a.m.DTW - SAT
3 stops30h 46mSpirit Airlines
Thu 11/125:40 a.m.SAT - DTW
1 stop13h 18mSpirit Airlines
Deal found 19/11C$ 394
Thu 18/1210:01 p.m.DTW - SAT
1 stop14h 20mFrontier
Thu 25/126:45 a.m.SAT - DTW
1 stop8h 34mFrontier
Deal found 20/11C$ 232
Thu 18/125:14 p.m.DTW - SAT
1 stop8h 03mMultiple Airlines
Thu 25/1212:45 p.m.SAT - DTW
1 stop7h 47mMultiple Airlines
Deal found 20/11C$ 352
Thu 18/125:50 a.m.DTW - SAT
3 stops18h 36mSpirit Airlines
Thu 25/1212:45 p.m.SAT - DTW
1 stop7h 47mSpirit Airlines
Deal found 20/11C$ 400
One-way flights from Detroit to San Antonio
Search for one-way flight options from Detroit to San Antonio. Find affordable one-way fares based on user searches. Data last updated 21 November 2025.
Wed 10/1212:12 p.m.DTW - SAT
2 stops25h 48mSpirit Airlines
Deal found 20/11C$ 181
Mon 18/56:00 a.m.DTW - SAT
1 stop5h 10mSouthwest
Deal found 19/11C$ 295
Tue 19/58:15 a.m.DTW - SAT
2 stops7h 40mSouthwest
Deal found 19/11C$ 302
Sun 18/16:50 a.m.DTW - SAT
2 stops8h 40mSouthwest
Deal found 18/11C$ 331
Sat 20/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Deal found 19/11C$ 350
Fri 15/510:30 a.m.DTW - SAT
1 stop5h 51mDelta
Deal found 19/11C$ 364
Mon 19/19:00 a.m.DTW - SAT
2 stops7h 31mUnited Airlines
Deal found 19/11C$ 371
Fri 19/121:46 p.m.DTW - SAT
Nonstop3h 18mDelta
Deal found 19/11C$ 378
Thu 15/15:15 p.m.DTW - SAT
1 stop25h 30mAlaska Airlines
Deal found 19/11C$ 397
Sun 18/19:00 a.m.DTW - SAT
2 stops13h 21mUnited Airlines
Deal found 19/11C$ 398
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 629,999 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Detroit to San Antonio that are best for you.
Fly from
Detroit
Fly to
San Antonio
Route
Depart
Return
Price
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Mon 5/1
8:25 p.m.-10:55 p.m.
Nonstop3h 30m
San Antonio
Sat 10/1
4:00 p.m.-8:03 p.m.
Nonstop3h 03m
C$ 561
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Thu 22/1
8:25 p.m.-10:55 p.m.
Nonstop3h 30m
San Antonio
Mon 26/1
5:30 a.m.-9:30 a.m.
Nonstop3h 00m
C$ 561
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Tue 24/2
8:42 a.m.-11:25 a.m.
Nonstop3h 43m
San Antonio
Sat 28/2
5:25 a.m.-9:23 a.m.
Nonstop2h 58m
C$ 561
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Thu 12/2
8:25 p.m.-10:57 p.m.
Nonstop3h 32m
San Antonio
Mon 16/2
4:00 p.m.-8:03 p.m.
Nonstop3h 03m
C$ 561
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Tue 20/1
8:25 p.m.-10:55 p.m.
Nonstop3h 30m
San Antonio
Tue 27/1
5:30 a.m.-9:30 a.m.
Nonstop3h 00m
C$ 561
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Thu 5/2
8:25 p.m.-10:55 p.m.
Nonstop3h 30m
San Antonio
Tue 10/2
5:30 a.m.-9:30 a.m.
Nonstop3h 00m
C$ 561
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Mon 2/2
8:25 p.m.-10:55 p.m.
Nonstop3h 30m
San Antonio
Thu 19/2
5:25 a.m.-9:23 a.m.
Nonstop2h 58m
C$ 561
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Wed 24/12
8:35 a.m.-11:08 a.m.
Nonstop3h 33m
San Antonio
Sat 27/12
5:20 a.m.-9:21 a.m.
Nonstop3h 01m
C$ 561
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Thu 26/2
8:25 p.m.-10:57 p.m.
Nonstop3h 32m
San Antonio
Tue 3/3
5:25 a.m.-9:23 a.m.
Nonstop2h 58m
C$ 561
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Tue 27/1
4:16 p.m.-10:28 p.m.
1 stop7h 12m
San Antonio
Sun 1/2
5:30 a.m.-9:30 a.m.
Nonstop3h 00m
C$ 575
Flights are sorted by cheapest round-trip flights first.
Deals found on 19/11
Showing 1-10 of 21 results
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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.
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
How far ahead should I book a flight from Detroit to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Detroit to San Antonio. Price data was last updated on 14 November 2025.
Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Detroit to San Antonio?
Currently, September is the cheapest month in which you can book a flight from Detroit to San Antonio (average of C$ 138). Flying from Detroit to San Antonio in April is currently the most expensive (average of C$ 263). 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 21 November 2025.
It’s typically best to fly out from Detroit to San Antonio in the evening. Doing so could potentially save you 49% on the flight price compared to flying in the afternoon, which is usually more expensive.
How much does it cost to fly round-trip from Detroit to San Antonio?
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 21 November 2025.
Read through reviews of airlines operating flights from Detroit to San Antonio, such as Southwest,Delta, andSpirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
AC was not adequate, even on a night flight. WiFi subpar even for the airlines
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.
How long is the flight from Detroit to San Antonio?
Departing from Detroit to San Antonio will take you 3h 30m. Airlines will cover a distance of 1954 km. Generally, flights for this route are direct.
What are the most reliable airlines from Detroit to San Antonio?
Consider Korean Air (93%), Aeromexico (92%) or KLM (89%) when booking your flight. These represent the most reliable airlines when flying from Detroit to San Antonio.
Can I find deals for flights from Detroit to San Antonio that include hotel bookings?
Yes. In addition to deals on Detroit to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Detroit to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to San Antonio.
Can I find deals for business class flights from Detroit to San Antonio?
Yes. Cheapflights offers flight deals from Detroit to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Detroit to San Antonio?
Currently, September is the cheapest month in which you can book a flight from Detroit to San Antonio (average of C$ 138). Flying from Detroit to San Antonio in April is currently the most expensive (average of C$ 263). 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.
Browse through other flights departing from Detroit. Flights are based on user searches made on Cheapflights and were last updated on 21 November 2025.
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 November 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Detroit to San Antonio?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Detroit to San Antonio. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Detroit to San Antonio?
Cheapflights helps you find that perfect flight to San Antonio from Detroit by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Detroit to San Antonio with no change fees?
Certainly. Search results for flights to San Antonio from Detroit shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Detroit to San Antonio become cheaper?
Yes! Start tracking prices for Detroit to San Antonio flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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