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Cheap flights from Detroit to San Antonio from C$ 179

DTT — SAT
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Detroit to San Antonio

Enter your travel dates to find the best prices.

Cheapest flights from Detroit to San Antonio

Tue 13/108:35 p.m. -
1 stop23h 51m
Tue 20/108:21 p.m. -
1 stop18h 13m
Deal found 14/9C$ 378
Wed 14/107:08 a.m. -
1 stop13h 18m
Tue 20/108:21 p.m. -
1 stop18h 13m
Deal found 14/9C$ 379
Sat 7/119:05 a.m. -
1 stop5h 10m
Sat 14/117:10 a.m. -
1 stop4h 40m
Deal found 14/9C$ 396
Tue 13/108:35 p.m. -
1 stop23h 51m
Thu 22/109:25 a.m. -
1 stop25h 37m
Deal found 14/9C$ 399
Wed 14/107:08 a.m. -
1 stop13h 18m
Thu 22/109:25 a.m. -
1 stop25h 37m
Deal found 14/9C$ 400
Sat 10/107:08 a.m. -
1 stop13h 18m
Tue 20/108:21 p.m. -
1 stop18h 13m
Deal found 14/9C$ 402
Wed 28/104:10 p.m. -
1 stop6h 05m
Sat 31/105:50 a.m. -
2 stops5h 40m
Deal found 14/9C$ 403
Sat 24/107:10 a.m. -
2 stops7h 30m
Tue 27/105:50 a.m. -
2 stops6h 10m
Deal found 16/9C$ 410
Wed 14/107:08 a.m. -
1 stop13h 18m
Wed 21/1010:03 a.m. -
1 stop24h 36m
Deal found 14/9C$ 421
Sat 10/107:08 a.m. -
1 stop13h 18m
Thu 22/109:25 a.m. -
1 stop25h 37m
Deal found 14/9C$ 423
Mon 2/118:15 p.m. -
1 stop4h 50m
Wed 4/111:00 p.m. -
2 stops7h 00m
Deal found 14/9C$ 430

Find flight deals from Detroit to San Antonio

Round-trip from

C$ 378

One-way from

C$ 179

Popular in

May

Cheapest in

August

Average price

C$ 570
Frontier
  • Frontier
  • 13/10-20/10
  • 2 total stops
  • 42h 04m total
  • Detroit to San Antonio
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Frontier
  • Frontier
  • 14/10-31/12
  • 1 total stop
  • 13h 18m total
  • Detroit to San Antonio
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Detroit to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSan Antonio

DTW Detroit Metropolitan Wayne County - SAT San Antonio

DTWSAT

Detroit Metropolitan Wayne County

Wed 14/10

11:05 a.m.-11:20 p.m.

2 stops13h 15m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 213

DetroitSan Antonio

DTW Detroit Metropolitan Wayne County - SAT San Antonio

DTWSAT

Detroit Metropolitan Wayne County

Thu 19/11

6:00 a.m.-10:35 a.m.

1 stop5h 35m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 225

DetroitSan Antonio

DTW Detroit Metropolitan Wayne County - SAT San Antonio

DTWSAT

Detroit Metropolitan Wayne County

Thu 18/2

6:10 a.m.-12:40 p.m.

2 stops7h 30m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 233

DetroitSan Antonio

DTW Detroit Metropolitan Wayne County - SAT San Antonio

DTWSAT

Detroit Metropolitan Wayne County

Sat 12/12

9:00 a.m.-1:15 p.m.

1 stop5h 15m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 328

DetroitSan Antonio

DTW Detroit Metropolitan Wayne County - SAT San Antonio

DTWSAT

Detroit Metropolitan Wayne County

Fri 11/12

8:20 a.m.-2:10 p.m.

2 stops6h 50m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 335

DetroitSan Antonio

DTW Detroit Metropolitan Wayne County - SAT San Antonio

DTWSAT

Detroit Metropolitan Wayne County

Mon 12/10

4:25 p.m.-11:55 p.m.

1 stop8h 30m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 397

DetroitSan Antonio

DTW Detroit Metropolitan Wayne County - SAT San Antonio

DTWSAT

Detroit Metropolitan Wayne County

Sun 11/10

7:05 a.m.-1:20 p.m.

2 stops7h 15m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 404

DetroitSan Antonio

DTW Detroit Metropolitan Wayne County - SAT San Antonio

DTWSAT

Detroit Metropolitan Wayne County

Wed 21/10

5:30 a.m.-4:52 p.m.

2 stops12h 22m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 410
Quickest round-trip

DetroitSan Antonio

DTW Detroit Metropolitan Wayne County - SAT San Antonio

DTWSAT

Detroit Metropolitan Wayne County

Wed 9/12

8:30 p.m.-10:58 p.m.

Nonstop3h 28m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 431

DetroitSan Antonio

DTW Detroit Metropolitan Wayne County - SAT San Antonio

DTWSAT

Detroit Metropolitan Wayne County

Tue 15/12

8:30 p.m.-10:58 p.m.

Nonstop3h 28m

San Antonio

Wed 31/12

12:00 a.m.-1:00 a.m.

Nonstop0h 00m

C$ 431

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 22 resultsSorted by cheapest first
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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

Cheapflights Insights

Everything you need to know about your flight from Detroit to San Antonio

What is the cheapest month to book a flight from Detroit to San Antonio?

Currently, July is the cheapest month in which you can book a flight from Detroit to San Antonio (average of C$ 590). Flying from Detroit to San Antonio in August is currently the most expensive (average of C$ 671). 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?

It’s typically best to fly out from Detroit to San Antonio in the evening. Doing so could potentially save you 58% on the flight price compared to flying in the afternoon, which is usually more expensive.

Weekly flight availability from Detroit to San Antonio

The most flights from DTT to SAT are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

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

Airfare is below average for this route at the moment.
Detroit to San Antonio flights typically cost between C$ 529 and C$ 626 in October.
The cheapest round-trip price found within the last 5 days was C$ 378 on Frontier (13 Oct-20 Oct).

How far ahead should I book a flight from Detroit to San Antonio?

Booking 2 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.

Related info for your journey

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

    Departing from Detroit to San Antonio will take you 7h 05m. Airlines will cover a distance of 1954 km.

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

    Consider WestJet (92%), Korean Air (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, July is the cheapest month in which you can book a flight from Detroit to San Antonio (average of C$ 590). Flying from Detroit to San Antonio in August is currently the most expensive (average of C$ 671). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Detroit to San Antonio

Detroit to George Bush Intcntl flights
Detroit to Hobby flights
Detroit to Austin flights
Detroit to Dallas/Fort Worth flights

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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!

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.

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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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