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$68+ Cheap flights from Detroit to San Antonio (DTT - SAT)

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAT
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Find cheap flights from Detroit to San Antonio with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Detroit All airports to San Antonio are usually found in August or June, booked 80 days in advance, depart on a Thursday or Friday and return on a Saturday

Cheap flight deals from Detroit to San Antonio

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 December 18, 2025.

This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:20 pmDTW - SAT
1 stop24h 01mFrontier
Sat 1/103:55 pmSAT - DTW
1 stop22h 53mFrontier
Deal found 12/17$247
This Booking.com deal was found by Cheapflights users on 12/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:20 pmDTW - SAT
1 stop12h 57mFrontier
Thu 1/2212:31 pmSAT - DTW
1 stop10h 28mFrontier
Deal found 12/16$267
This Expedia deal was found by Cheapflights users on 12/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:20 pmDTW - SAT
1 stop24h 01mMultiple Airlines
Sat 1/1010:35 amSAT - DTW
2 stops10h 33mMultiple Airlines
Deal found 12/17$270
This Mytrip deal was found by Cheapflights users on 12/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:20 pmDTW - SAT
1 stop12h 57mMultiple Airlines
Sat 1/3110:35 amSAT - DTW
1 stop12h 24mMultiple Airlines
Deal found 12/17$284
This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:20 pmDTW - SAT
1 stop24h 01mFrontier
Mon 12/297:11 pmSAT - DTW
1 stop24h 02mFrontier
Deal found 12/17$298
This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amDTW - SAT
1 stop6h 50mMultiple Airlines
Sun 1/46:45 amSAT - DTW
1 stop27h 40mMultiple Airlines
Deal found 12/17$301
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:01 pmDTW - SAT
1 stop27h 16mFrontier
Sun 12/2810:18 amSAT - DTW
1 stop8h 33mFrontier
Deal found 12/16$308
This Super.com deal was found by Cheapflights users on 12/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:20 pmDTW - SAT
1 stop12h 57mFrontier
Tue 12/2310:18 amSAT - DTW
1 stop8h 33mFrontier
Deal found 12/15$309
This Booking.com deal was found by Cheapflights users on 12/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:01 pmDTW - SAT
1 stop27h 16mFrontier
Sat 1/103:55 pmSAT - DTW
1 stop22h 53mFrontier
Deal found 12/15$326
This Travelocity deal was found by Cheapflights users on 12/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:01 pmDTW - SAT
1 stop27h 16mFrontier
Sat 1/36:45 amSAT - DTW
1 stop27h 40mFrontier
Deal found 12/17$328
This Spirit deal was found by Cheapflights users on 12/17. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amDTW - SAT
1 stop6h 50mSpirit Airlines
Sat 1/3110:35 amSAT - DTW
1 stop12h 24mSpirit Airlines
Deal found 12/17$335

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 December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$154
(Kiwi.com)

One-way from

$68
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$458

Good round-trip deal

$399 or less

Good one-way deal

$448 or less
Provider with most accurate pricing for Detroit (DTT)-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-San Antonio flights.
Search Deals
From Detroit (DTT) to San Antonio
Search Deals
One-way flight from Detroit (DTT) to San Antonio
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to San Antonio.
Search Deals
Price to beat on a one-way flight from Detroit (DTT) to San Antonio.
Search Deals

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 2,558,603 searches. Data last updated December 18, 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 1/17

8:25 pm-10:55 pm

Nonstop3h 30m

San Antonio

Sat 1/24

4:00 pm-8:03 pm

Nonstop3h 03m

$325

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Sat 1/31

8:45 am-11:26 am

Nonstop3h 41m

San Antonio

Sat 2/7

8:00 am-3:09 pm

1 stop6h 09m

$335

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 1/14

8:25 pm-10:55 pm

Nonstop3h 30m

San Antonio

Wed 1/21

10:45 am-5:15 pm

1 stop5h 30m

$351

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 1/21

8:25 pm-10:55 pm

Nonstop3h 30m

San Antonio

Mon 1/26

4:00 pm-8:03 pm

Nonstop3h 03m

$362

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 1/23

8:25 pm-10:55 pm

Nonstop3h 30m

San Antonio

Tue 1/27

5:30 am-9:30 am

Nonstop3h 00m

$362

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 1/22

8:45 am-11:26 am

Nonstop3h 41m

San Antonio

Sat 1/24

4:00 pm-8:03 pm

Nonstop3h 03m

$362

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 2/11

8:25 pm-10:55 pm

Nonstop3h 30m

San Antonio

Sun 2/15

5:25 am-9:21 am

Nonstop2h 56m

$362

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 1/7

8:46 am-11:27 am

Nonstop3h 41m

San Antonio

Wed 1/14

6:22 pm-12:45 am

1 stop5h 23m

$367

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 2/5

8:25 pm-10:55 pm

Nonstop3h 30m

San Antonio

Tue 2/10

8:00 am-5:15 pm

1 stop8h 15m

$372

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Sat 1/17

5:40 pm-4:17 pm

1 stop23h 37m

$68

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 18 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-San Antonio flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Detroit-San Antonio flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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.
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 December 12, 2025.

To ensure you get the cheapest price possible for a flight from Detroit to San Antonio, you should look to book at least 79 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.

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 $98). Flying from Detroit to San Antonio in April is currently the most expensive (average of $185). 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 December 18, 2025.

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 afternoon tend to be the most expensive. A flight at noon could potentially save you up to 16% on airfare.

What is the cheapest day to fly from Detroit to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Detroit to San Antonio. Price data was last updated on December 13, 2025.

Travelers seeking maximum savings on their Detroit to San Antonio flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Detroit to San Antonio?

What’s the top layover airport for flights from Detroit to San Antonio?

Share of 1-stop round-trip flights from Detroit to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.

Orlando (MCO) – chosen by Cheapflights users on 58% of 1-stop itineraries from Detroit to San Antonio on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to San Antonio?

Average round-trip fare for 1-stop flights from Detroit to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $188.

What’s the fastest layover option from Detroit to San Antonio?

Shortest average travel time for 1-stop one-way flights from Detroit to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 4h 50m.

Which airport typically offers the quickest layover for flights from Detroit to San Antonio?

Average layover duration for 1-stop one-way flights from Detroit to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 1h 02m.

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 December 18, 2025.
Read reviews from past customers who have flown Southwest, Delta, and American Airlines 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.
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,055 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,190 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • What airports do I use to fly from Detroit to San Antonio?

    To fly from Detroit to San Antonio, you need to book a flight from All airports (DTT) to San Antonio (SAT). Nonstop flights to San Antonio from Detroit All airports take 3h 17m on average. When it comes time to book airfare, you have a few options: there are 7 outbound flights from All airports to San Antonio offered by 4 different airlines.

  • How long is the flight from Detroit to San Antonio?

    Airlines like Frontier fly from Detroit to San Antonio in about 7h 42m. The time it takes to get you to your destination can typically vary by up to . Detroit and San Antonio are separated by a distance of 1214 mi.

  • What are the cheapest airlines flying from Detroit to San Antonio round-trip?

    According to our current data, Spirit Airlines ($86), American Airlines ($284), and Delta ($299) offers the cheapest pricing from Detroit to San Antonio. Spirit Airlines is 76% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Detroit to San Antonio one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $67. Frontier flights start at $72 while deals on American Airlines start at $163 one-way.

  • What are the most reliable airlines from Detroit to San Antonio?

    Consider Korean Air (88%), KLM (85%) or Delta (79%) when booking your flight. These represent the most reliable airlines when flying from Detroit to San Antonio.

  • What are the cheapest flights from Detroit to San Antonio?

    On average you can expect to pay $539 for a flight from Detroit to San Antonio. The cheapest flight overall is $268 while the most popular route, (Detroit Metropolitan Wayne County - San Antonio) is currently priced at $163.

  • 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 $98). Flying from Detroit to San Antonio in April is currently the most expensive (average of $185). 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.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Detroit to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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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 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$235FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$284Average$370FlexibilityNo cancel feeOn-time71%
DeltaCheapest$299Average$438FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$326Average$458FlexibilityNo cancel feeOn-time63%

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