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Cheap flights from Detroit to San Antonio from C$ 263

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 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAT
17 Jan — 24 Jan1
1 adult
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 80 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 18 December 2025.

Wed 31/126:00 a.m.DTW - SAT
1 stop6h 50mSpirit Airlines
Sat 31/110:35 a.m.SAT - DTW
1 stop12h 24mSpirit Airlines
Deal found 17/12C$ 462
Wed 31/126:10 a.m.DTW - SAT
1 stop5h 15mSouthwest
Sat 31/111:45 a.m.SAT - DTW
2 stops7h 30mSouthwest
Deal found 17/12C$ 624
Wed 31/124:46 p.m.DTW - SAT
1 stop6h 07mDelta
Sat 31/15:30 a.m.SAT - DTW
Nonstop3h 00mDelta
Deal found 17/12C$ 632
Tue 30/128:20 p.m.DTW - SAT
Nonstop3h 29mDelta
Fri 2/15:20 a.m.SAT - DTW
Nonstop3h 01mDelta
Deal found 16/12C$ 688
Tue 30/124:46 p.m.DTW - SAT
1 stop6h 07mDelta
Sat 3/15:10 a.m.SAT - DTW
1 stop6h 23mDelta
Deal found 17/12C$ 715
Sat 27/129:22 p.m.DTW - SAT
1 stop17h 22mSpirit Airlines
Wed 31/1212:45 p.m.SAT - DTW
1 stop7h 47mSpirit Airlines
Deal found 17/12C$ 759

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 18 December 2025.

Round-trip from

C$ 284

One-way from

C$ 263

Popular in

March

Cheapest in

August

Average price

C$ 631
Frontier
  • Frontier
  • 8/2-19/2
  • 2 total stops
  • 34h 21m total
  • Detroit to San Antonio
Search Deals
Spirit Airlines
  • Spirit Airlines
  • 31/12
  • 2 total stops
  • 13h 48m total
  • Detroit to San Antonio
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 629,999 searches. Data last updated 18 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

Sat 31/1

8:45 a.m.-11:26 a.m.

Nonstop3h 41m

San Antonio

Sat 7/2

8:00 a.m.-3:09 p.m.

1 stop6h 09m

C$ 462

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 14/1

8:25 p.m.-10:55 p.m.

Nonstop3h 30m

San Antonio

Wed 21/1

10:45 a.m.-5:15 p.m.

1 stop5h 30m

C$ 484

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$ 499

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 22/1

8:45 a.m.-11:26 a.m.

Nonstop3h 41m

San Antonio

Sat 24/1

4:00 p.m.-8:03 p.m.

Nonstop3h 03m

C$ 499

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 11/2

8:25 p.m.-10:55 p.m.

Nonstop3h 30m

San Antonio

Sun 15/2

5:25 a.m.-9:21 a.m.

Nonstop2h 56m

C$ 499

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 7/1

8:46 a.m.-11:27 a.m.

Nonstop3h 41m

San Antonio

Wed 14/1

6:22 p.m.-12:45 a.m.

1 stop5h 23m

C$ 506

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 5/2

8:45 a.m.-11:26 a.m.

Nonstop3h 41m

San Antonio

Tue 10/2

10:45 a.m.-6:57 p.m.

1 stop7h 12m

C$ 513

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 7/1

5:50 p.m.-11:13 p.m.

1 stop6h 23m

San Antonio

Sat 10/1

2:05 p.m.-10:10 p.m.

1 stop7h 05m

C$ 519

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 20/3

5:31 p.m.-10:50 p.m.

1 stop6h 19m

San Antonio

Mon 23/3

6:30 a.m.-8:12 p.m.

1 stop12h 42m

C$ 532

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

4:00 p.m.-8:03 p.m.

Nonstop3h 03m

C$ 550

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/12

Showing 1-10 of 22 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 12 December 2025.

Booking 79 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$ 135). Flying from Detroit to San Antonio in April is currently the most expensive (average of C$ 255). 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 18 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?

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

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

Nashville (BNA) – chosen by Cheapflights users on 44% of one-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 C$ 173.

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 Nashville (BNA) have the shortest average one-way travel time for 1-stop routes: 4h 58m.

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 Nashville (BNA) offer the fastest connection on this route, with an average layover time of 0h 49m.

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 18 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.
Delta
7.9
Good
8,007 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

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.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

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.
Spirit Airlines
6.3
Okay
8,190 reviews
Delta
7.9
Good
8,007 reviews
Check prices

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

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 3h 41m. 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 (88%), KLM (85%) or Delta (79%) 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$ 135). Flying from Detroit to San Antonio in April is currently the most expensive (average of C$ 255). 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

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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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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!

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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.

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