Cheap flights from Detroit to San Antonio from C$ 135
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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAT
4 Jan — 11 Jan1
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
Enter your travel dates to find the best prices.
Cheapest flights from Detroit to San Antonio
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 5 December 2025.
Tue 30/126:00 a.m.DTW - SAT
1 stop6h 50mSpirit Airlines
Sat 3/112:45 p.m.SAT - DTW
2 stops18h 22mSpirit Airlines
Deal found 3/12C$ 560
Tue 30/128:34 a.m.DTW - SAT
Nonstop3h 33mDelta
Wed 7/14:00 p.m.SAT - DTW
Nonstop3h 03mDelta
Deal found 3/12C$ 585
Mon 29/126:00 a.m.DTW - SAT
1 stop6h 50mMultiple Airlines
Fri 2/16:45 a.m.SAT - DTW
1 stop27h 40mMultiple Airlines
Deal found 4/12C$ 588
Thu 25/1212:52 p.m.DTW - SAT
Nonstop3h 19mDelta
Sun 28/1212:02 p.m.SAT - DTW
Nonstop3h 02mDelta
Deal found 4/12C$ 613
Thu 25/124:56 p.m.DTW - SAT
1 stop7h 11mDelta
Mon 29/125:10 a.m.SAT - DTW
1 stop6h 26mDelta
Deal found 4/12C$ 641
Tue 30/123:56 p.m.DTW - SAT
1 stop6h 37mDelta
Thu 1/17:05 a.m.SAT - DTW
2 stops11h 10mDelta
Deal found 3/12C$ 653
Wed 24/128:35 a.m.DTW - SAT
Nonstop3h 33mDelta
Mon 29/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 4/12C$ 655
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 5 December 2025.
Thu 15/16:35 a.m.DTW - SAT
2 stops9h 35mSouthwest
Sat 17/111:45 a.m.SAT - DTW
2 stops6h 45mSouthwest
Deal found 4/12C$ 484
Sat 14/29:10 a.m.DTW - SAT
1 stop15h 02mUnited Airlines
Wed 18/27:00 a.m.SAT - DTW
1 stop12h 17mUnited Airlines
Deal found 4/12C$ 509
Tue 17/28:25 p.m.DTW - SAT
Nonstop3h 30mDelta
Wed 25/24:00 p.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 3/12C$ 557
Thu 12/25:25 p.m.DTW - SAT
1 stop6h 25mSouthwest
Sun 15/23:50 p.m.SAT - DTW
1 stop4h 20mSouthwest
Deal found 4/12C$ 508
Tue 10/211:05 a.m.DTW - SAT
1 stop13h 08mUnited Airlines
Wed 18/25:20 p.m.SAT - DTW
1 stop15h 12mUnited Airlines
Deal found 4/12C$ 509
Tue 10/28:45 a.m.DTW - SAT
Nonstop3h 41mDelta
Sat 14/25:25 a.m.SAT - DTW
Nonstop2h 56mDelta
Deal found 4/12C$ 557
Wed 18/210:28 a.m.DTW - SAT
1 stop13h 44mUnited Airlines
Mon 23/22:10 p.m.SAT - DTW
1 stop8h 34mUnited Airlines
Deal found 3/12C$ 535
Fri 23/18:25 p.m.DTW - SAT
Nonstop3h 30mDelta
Tue 27/15:30 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 2/12C$ 557
Sat 14/210:28 a.m.DTW - SAT
1 stop13h 44mUnited Airlines
Tue 17/27:00 a.m.SAT - DTW
1 stop12h 17mUnited Airlines
Deal found 4/12C$ 546
Wed 11/28:45 a.m.DTW - SAT
Nonstop3h 41mDelta
Mon 16/25:25 a.m.SAT - DTW
Nonstop2h 56mDelta
Deal found 4/12C$ 557
Wed 11/27:15 a.m.DTW - SAT
1 stop16h 58mUnited Airlines
Tue 17/27:00 a.m.SAT - DTW
1 stop12h 17mUnited Airlines
Deal found 4/12C$ 546
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 5 December 2025.
Wed 18/28:42 a.m.DTW - SAT
Nonstop3h 41mDelta
Sat 21/25:25 a.m.SAT - DTW
Nonstop2h 56mDelta
Deal found 4/12C$ 557
Tue 30/128:34 a.m.DTW - SAT
Nonstop3h 33mDelta
Wed 7/14:00 p.m.SAT - DTW
Nonstop3h 03mDelta
Deal found 3/12C$ 585
Thu 25/1212:52 p.m.DTW - SAT
Nonstop3h 19mDelta
Sun 28/1212:02 p.m.SAT - DTW
Nonstop3h 02mDelta
Deal found 4/12C$ 613
Mon 22/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Thu 1/15:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 2/12C$ 627
Tue 30/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Thu 1/15:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 3/12C$ 641
Wed 24/128:35 a.m.DTW - SAT
Nonstop3h 33mDelta
Mon 29/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 4/12C$ 655
Wed 4/38:25 p.m.DTW - SAT
Nonstop3h 30mDelta
Thu 5/35:25 a.m.SAT - DTW
Nonstop2h 56mDelta
Deal found 4/12C$ 694
Fri 19/128:30 p.m.DTW - SAT
Nonstop3h 27mDelta
Sun 21/124:06 p.m.SAT - DTW
Nonstop3h 05mDelta
Deal found 4/12C$ 696
Fri 19/128:30 p.m.DTW - SAT
Nonstop3h 27mDelta
Tue 23/124:06 p.m.SAT - DTW
Nonstop3h 05mDelta
Deal found 4/12C$ 738
Sun 15/28:42 a.m.DTW - SAT
Nonstop3h 41mDelta
Sun 15/24:00 p.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 4/12C$ 764
Fri 26/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Mon 5/15:30 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 4/12C$ 766
Tue 30/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Sat 3/15:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 5/12C$ 793
Last-minute flights from Detroit to San Antonio
Discover last-minute flight deals from Detroit to San Antonio. Data last updated 5 December 2025 and is based on user searches.
Mon 29/126:00 a.m.DTW - SAT
1 stop6h 50mMultiple Airlines
Fri 2/16:45 a.m.SAT - DTW
1 stop27h 40mMultiple Airlines
Deal found 4/12C$ 588
Tue 30/128:34 a.m.DTW - SAT
Nonstop3h 33mDelta
Wed 7/14:00 p.m.SAT - DTW
Nonstop3h 03mDelta
Deal found 3/12C$ 585
Thu 8/19:00 a.m.DTW - SAT
1 stop15h 13mUnited Airlines
Mon 12/17:00 a.m.SAT - DTW
1 stop15h 44mUnited Airlines
Deal found 4/12C$ 560
Thu 15/16:35 a.m.DTW - SAT
1 stop7h 05mSouthwest
Sat 17/15:45 a.m.SAT - DTW
1 stop9h 05mSouthwest
Deal found 4/12C$ 449
Thu 22/11:40 p.m.DTW - SAT
2 stops8h 55mSouthwest
Mon 26/16:35 a.m.SAT - DTW
2 stops7h 30mSouthwest
Deal found 4/12C$ 445
Fri 23/13:45 p.m.DTW - SAT
2 stops8h 20mSouthwest
Tue 27/11:45 p.m.SAT - DTW
2 stops6h 15mSouthwest
Deal found 4/12C$ 470
Wed 28/18:45 a.m.DTW - SAT
Nonstop3h 41mDelta
Wed 4/24:00 p.m.SAT - DTW
Nonstop3h 03mDelta
Deal found 3/12C$ 557
Wed 28/18:15 a.m.DTW - SAT
1 stop5h 30mDelta
Sat 31/14:00 p.m.SAT - DTW
Nonstop3h 03mDelta
Deal found 3/12C$ 571
Fri 30/11:40 p.m.DTW - SAT
2 stops8h 25mSouthwest
Mon 2/212:25 p.m.SAT - DTW
2 stops7h 35mSouthwest
Deal found 3/12C$ 497
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 5 December 2025.
Sun 18/13:12 p.m.DTW - SAT
1 stop19h 28mMultiple Airlines
Deal found 4/12C$ 135
Sun 18/112:19 p.m.DTW - SAT
2 stops28h 21mFrontier
Deal found 4/12C$ 151
Tue 3/21:40 p.m.DTW - SAT
2 stops8h 25mSouthwest
Deal found 3/12C$ 172
Sun 18/15:05 a.m.DTW - SAT
3 stops29h 35mSpirit Airlines
Deal found 4/12C$ 254
Tue 2/67:00 a.m.DTW - SAT
1 stop4h 45mSouthwest
Deal found 2/12C$ 293
Fri 23/11:40 p.m.DTW - SAT
2 stops8h 25mSouthwest
Deal found 2/12C$ 299
Wed 3/67:00 a.m.DTW - SAT
2 stops6h 15mSouthwest
Deal found 4/12C$ 300
Wed 4/37:25 a.m.DTW - SAT
2 stops13h 28mUnited Airlines
Deal found 3/12C$ 311
Sat 3/18:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Deal found 4/12C$ 348
Mon 1/65:20 a.m.DTW - SAT
1 stop5h 28mDelta
Deal found 5/12C$ 362
Wed 3/67:15 a.m.DTW - SAT
2 stops14h 02mDelta
Deal found 5/12C$ 416
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 5 December 2025.
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 5 December 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
Thu 15/1
6:35 a.m.-3:10 p.m.
2 stops9h 35m
San Antonio
Sat 17/1
11:45 a.m.-7:30 p.m.
2 stops6h 45m
C$ 484
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Thu 12/2
5:25 p.m.-10:50 p.m.
1 stop6h 25m
San Antonio
Sun 15/2
3:50 p.m.-9:10 p.m.
1 stop4h 20m
C$ 508
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Sat 14/2
9:10 a.m.-11:12 p.m.
1 stop15h 02m
San Antonio
Wed 18/2
7:00 a.m.-8:17 p.m.
1 stop12h 17m
C$ 509
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Tue 10/2
11:05 a.m.-11:13 p.m.
1 stop13h 08m
San Antonio
Wed 18/2
5:20 p.m.-9:32 a.m.
1 stop15h 12m
C$ 509
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Wed 18/2
10:28 a.m.-11:12 p.m.
1 stop13h 44m
San Antonio
Mon 23/2
2:10 p.m.-11:44 p.m.
1 stop8h 34m
C$ 535
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Sat 14/2
10:28 a.m.-11:12 p.m.
1 stop13h 44m
San Antonio
Tue 17/2
7:00 a.m.-8:17 p.m.
1 stop12h 17m
C$ 546
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Wed 11/2
7:15 a.m.-11:13 p.m.
1 stop16h 58m
San Antonio
Tue 17/2
7:00 a.m.-8:17 p.m.
1 stop12h 17m
C$ 546
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Tue 17/2
8:25 p.m.-10:55 p.m.
Nonstop3h 30m
San Antonio
Wed 25/2
4:00 p.m.-8:01 p.m.
Nonstop3h 01m
C$ 557
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Tue 10/2
8:45 a.m.-11:26 a.m.
Nonstop3h 41m
San Antonio
Sat 14/2
5:25 a.m.-9:21 a.m.
Nonstop2h 56m
C$ 557
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Fri 23/1
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$ 557
Flights are sorted by cheapest round-trip flights first.
Deals found on 4/12
Showing 1-10 of 19 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 28 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$ 137). Flying from Detroit to San Antonio in December is currently the most expensive (average of C$ 264). 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 5 December 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 5 December 2025.
Read through reviews of airlines operating flights from Detroit to San Antonio, such as Delta and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
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 9h 35m. Airlines will cover a distance of 1954 km. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from Detroit to San Antonio?
Consider Korean Air (93%), KLM (89%) or Delta (85%) 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$ 137). Flying from Detroit to San Antonio in December is currently the most expensive (average of C$ 264). 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.
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 December 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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