Cheap flights from Detroit to San Antonio from C$ 297
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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAT
29 Nov — 6 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 30 October 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 30 October 2025.
Sat 8/114:10 p.m.DTW - SAT
1 stop8h 35mMultiple Airlines
Mon 17/115:35 p.m.SAT - DTW
2 stops20h 40mMultiple Airlines
Deal found 30/10C$ 415
Sat 8/117:09 p.m.DTW - SAT
1 stop21h 50mSpirit Airlines
Mon 17/113:23 p.m.SAT - DTW
1 stop17h 35mSpirit Airlines
Deal found 30/10C$ 487
Fri 26/129:22 p.m.DTW - SAT
1 stop17h 22mSpirit Airlines
Tue 30/122:39 p.m.SAT - DTW
1 stop8h 20mSpirit Airlines
Deal found 30/10C$ 503
Thu 18/128:25 a.m.DTW - SAT
Nonstop3h 31mDelta
Tue 30/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 29/10C$ 557
Fri 19/128:25 a.m.DTW - SAT
Nonstop3h 31mDelta
Wed 31/125:10 a.m.SAT - DTW
2 stops13h 05mDelta
Deal found 29/10C$ 561
Thu 18/125:45 a.m.DTW - SAT
1 stop5h 46mDelta
Mon 29/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 29/10C$ 571
Tue 16/125:40 a.m.DTW - SAT
1 stop8h 25mSouthwest
Fri 19/125:00 a.m.SAT - DTW
1 stop4h 30mSouthwest
Deal found 29/10C$ 582
Tue 25/118:25 a.m.DTW - SAT
Nonstop3h 30mDelta
Tue 2/125:09 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 30/10C$ 585
Tue 23/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Sat 10/15:30 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 30/10C$ 599
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 30 October 2025.
Sat 8/114:10 p.m.DTW - SAT
1 stop8h 35mMultiple Airlines
Mon 17/115:35 p.m.SAT - DTW
2 stops20h 40mMultiple Airlines
Deal found 30/10C$ 415
Sat 8/117:09 p.m.DTW - SAT
1 stop21h 50mSpirit Airlines
Mon 17/113:23 p.m.SAT - DTW
1 stop17h 35mSpirit Airlines
Deal found 30/10C$ 487
Thu 11/128:30 p.m.DTW - SAT
Nonstop3h 27mDelta
Sun 14/124:35 p.m.SAT - DTW
Nonstop3h 06mDelta
Deal found 29/10C$ 557
Fri 26/129:22 p.m.DTW - SAT
1 stop17h 22mSpirit Airlines
Tue 30/122:39 p.m.SAT - DTW
1 stop8h 20mSpirit Airlines
Deal found 30/10C$ 503
Thu 25/128:35 a.m.DTW - SAT
Nonstop3h 33mDelta
Fri 2/15:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 29/10C$ 557
Fri 19/128:25 a.m.DTW - SAT
Nonstop3h 31mDelta
Mon 29/124:06 p.m.SAT - DTW
Nonstop3h 05mDelta
Deal found 29/10C$ 557
Thu 18/128:25 a.m.DTW - SAT
Nonstop3h 31mDelta
Tue 30/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 29/10C$ 557
Sun 21/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Thu 1/15:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 29/10C$ 557
Wed 17/121:46 p.m.DTW - SAT
Nonstop3h 18mDelta
Mon 22/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 29/10C$ 557
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 30 October 2025.
Thu 18/121:46 p.m.DTW - SAT
Nonstop3h 18mDelta
Wed 31/1212:03 p.m.SAT - DTW
Nonstop3h 02mDelta
Deal found 29/10C$ 557
Tue 25/118:25 a.m.DTW - SAT
Nonstop3h 30mDelta
Tue 2/125:09 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 30/10C$ 585
Tue 23/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Thu 1/15:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 29/10C$ 599
Thu 20/118:30 p.m.DTW - SAT
Nonstop3h 27mDelta
Thu 27/115:15 a.m.SAT - DTW
Nonstop2h 55mDelta
Deal found 29/10C$ 613
Sun 7/128:30 p.m.DTW - SAT
Nonstop3h 27mDelta
Wed 10/124:35 p.m.SAT - DTW
Nonstop3h 06mDelta
Deal found 30/10C$ 641
Fri 28/118:25 a.m.DTW - SAT
Nonstop3h 30mDelta
Mon 1/125:15 a.m.SAT - DTW
Nonstop2h 55mDelta
Deal found 30/10C$ 654
Fri 26/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Tue 30/125:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 30/10C$ 669
Sun 23/118:30 p.m.DTW - SAT
Nonstop3h 27mDelta
Mon 1/1211:50 a.m.SAT - DTW
Nonstop2h 58mDelta
Deal found 29/10C$ 681
Thu 13/118:30 p.m.DTW - SAT
Nonstop3h 27mDelta
Thu 20/115:15 a.m.SAT - DTW
Nonstop2h 55mDelta
Deal found 29/10C$ 683
Tue 2/128:25 a.m.DTW - SAT
Nonstop3h 31mDelta
Thu 4/1211:51 a.m.SAT - DTW
Nonstop3h 04mDelta
Deal found 29/10C$ 694
Sat 27/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Sat 3/15:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 29/10C$ 711
Thu 13/118:25 a.m.DTW - SAT
Nonstop3h 30mDelta
Mon 17/114:35 p.m.SAT - DTW
Nonstop3h 02mDelta
Deal found 29/10C$ 753
Last-minute flights from Detroit to San Antonio
Discover last-minute flight deals from Detroit to San Antonio. Data last updated 30 October 2025 and is based on user searches.
Sat 8/114:10 p.m.DTW - SAT
1 stop8h 35mMultiple Airlines
Mon 17/115:35 p.m.SAT - DTW
2 stops20h 40mMultiple Airlines
Deal found 30/10C$ 415
Sat 8/117:09 p.m.DTW - SAT
1 stop21h 50mSpirit Airlines
Mon 17/113:23 p.m.SAT - DTW
1 stop17h 35mSpirit Airlines
Deal found 30/10C$ 487
Thu 20/118:30 p.m.DTW - SAT
Nonstop3h 27mDelta
Thu 27/115:15 a.m.SAT - DTW
Nonstop2h 55mDelta
Deal found 29/10C$ 613
Sat 22/114:47 p.m.DTW - SAT
1 stop5h 33mUnited Airlines
Thu 27/115:30 a.m.SAT - DTW
2 stops10h 27mUnited Airlines
Deal found 29/10C$ 648
Tue 25/118:25 a.m.DTW - SAT
Nonstop3h 30mDelta
Tue 2/125:09 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 30/10C$ 585
Fri 28/118:25 a.m.DTW - SAT
Nonstop3h 30mDelta
Mon 1/125:15 a.m.SAT - DTW
Nonstop2h 55mDelta
Deal found 30/10C$ 654
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 30 October 2025.
Thu 22/11:40 p.m.DTW - SAT
2 stops8h 55mSouthwest
Deal found 29/10C$ 297
Fri 23/13:45 p.m.DTW - SAT
2 stops8h 20mSouthwest
Deal found 29/10C$ 300
Thu 25/128:35 a.m.DTW - SAT
Nonstop3h 33mDelta
Deal found 30/10C$ 348
Sun 28/126:00 p.m.DTW - SAT
1 stop7h 15mSouthwest
Deal found 29/10C$ 349
Sat 22/117:35 a.m.DTW - SAT
2 stops9h 20mSouthwest
Deal found 29/10C$ 356
Mon 29/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Deal found 29/10C$ 376
Fri 26/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Deal found 29/10C$ 404
Wed 26/118:25 a.m.DTW - SAT
Nonstop3h 30mDelta
Deal found 30/10C$ 418
Sun 28/128:34 a.m.DTW - SAT
Nonstop3h 33mDelta
Deal found 29/10C$ 431
Mon 1/129:15 a.m.DTW - SAT
2 stops9h 32mUnited Airlines
Deal found 30/10C$ 482
Wed 26/112:10 p.m.DTW - SAT
2 stops9h 46mUnited Airlines
Deal found 29/10C$ 494
Tue 18/118:30 p.m.DTW - SAT
Nonstop3h 27mDelta
Deal found 30/10C$ 501
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 30 October 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
Sat 8/11
4:10 p.m.-11:45 p.m.
1 stop8h 35m
San Antonio
Mon 17/11
5:35 p.m.-3:15 p.m.
2 stops20h 40m
C$ 415
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Sat 8/11
7:09 p.m.-3:59 p.m.
1 stop21h 50m
San Antonio
Mon 17/11
3:23 p.m.-9:58 a.m.
1 stop17h 35m
C$ 487
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Fri 26/12
9:22 p.m.-1:44 p.m.
1 stop17h 22m
San Antonio
Tue 30/12
2:39 p.m.-11:59 p.m.
1 stop8h 20m
C$ 503
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Thu 11/12
8:30 p.m.-10:57 p.m.
Nonstop3h 27m
San Antonio
Sun 14/12
4:35 p.m.-8:41 p.m.
Nonstop3h 06m
C$ 557
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Thu 25/12
8:35 a.m.-11:08 a.m.
Nonstop3h 33m
San Antonio
Fri 2/1
5:20 a.m.-9:21 a.m.
Nonstop3h 01m
C$ 557
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Fri 19/12
8:25 a.m.-10:56 a.m.
Nonstop3h 31m
San Antonio
Mon 29/12
4:06 p.m.-8:11 p.m.
Nonstop3h 05m
C$ 557
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Thu 18/12
8:25 a.m.-10:56 a.m.
Nonstop3h 31m
San Antonio
Tue 30/12
5:20 a.m.-9:21 a.m.
Nonstop3h 01m
C$ 557
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Sun 21/12
8:20 p.m.-10:49 p.m.
Nonstop3h 29m
San Antonio
Thu 1/1
5:20 a.m.-9:21 a.m.
Nonstop3h 01m
C$ 557
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Wed 17/12
1:46 p.m.-4:04 p.m.
Nonstop3h 18m
San Antonio
Mon 22/12
5:20 a.m.-9:21 a.m.
Nonstop3h 01m
C$ 557
DetroitSan Antonio
DTW - SAT
DTWSAT
Detroit Metropolitan Wayne County
Fri 23/1
3:45 p.m.-11:05 p.m.
2 stops8h 20m
C$ 300
Flights are sorted by cheapest round-trip flights first.
Deals found on 29/10
Showing 1-10 of 18 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 24 October 2025.
Booking 65 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 April is currently the most expensive (average of C$ 260). 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 30 October 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 30 October 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 27m. 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 Spirit Airlines (100%), KLM (98%) or Korean Air (94%) 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 April is currently the most expensive (average of C$ 260). 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 30 October 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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