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Cheap flights from Detroit to San Antonio from $75

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to San Antonio departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Detroit to San Antonio

Cheap round-trip flights

Frontier Logo
10:54 am - 4:30 pmDTW-SAT
6h 36m1 stop
Frontier Logo
12:41 pm - 12:46 amSAT-DTW
11h 05m1 stop
$146Frontier
Find Deal
Fri, Sep 26 - Fri, Oct 3
Frontier Logo
6:00 am - 11:14 amDTW-SAT
6h 14m1 stop
Frontier Logo
3:59 pm - 12:59 amSAT-DTW
8h 00m1 stop
$149Frontier
Find Deal
Thu, Oct 16 - Tue, Oct 21
Frontier Logo
10:54 am - 4:30 pmDTW-SAT
6h 36m1 stop
Frontier Logo
3:22 pm - 11:58 pmSAT-DTW
7h 36m1 stop
$156Frontier
Find Deal
Fri, Sep 5 - Sat, Sep 20
Frontier Logo
6:35 pm - 4:50 pmDTW-SAT
23h 15m1 stop
Frontier Logo
8:26 pm - 12:59 amSAT-DTW
27h 33m1 stop
$163Frontier
Find Deal
Sat, Oct 18 - Fri, Oct 24
Frontier Logo
6:10 am - 11:46 amDTW-SAT
6h 36m1 stop
Frontier Logo
5:40 pm - 2:46 pmSAT-DTW
20h 06m1 stop
$166Frontier
Find Deal
Fri, Sep 5 - Fri, Sep 19
Frontier Logo
8:00 am - 2:27 pmDTW-SAT
7h 27m1 stop
Frontier Logo
3:22 pm - 11:58 pmSAT-DTW
7h 36m1 stop
$167Frontier
Find Deal
Sat, Sep 6 - Sat, Sep 20
Logo
9:19 pm - 10:48 amDTW-SAT
14h 29m1 stop
Logo
5:40 pm - 8:14 amSAT-DTW
13h 34m1 stop
$169
Find Deal
Wed, Sep 17 - Mon, Sep 29
Spirit Airlines Logo
9:30 am - 11:47 amDTW-SAT
3h 17mnonstop
Spirit Airlines Logo
1:50 pm - 5:54 pmSAT-DTW
3h 04mnonstop
$188Spirit Airlines
Find Deal
Thu, Dec 11 - Sun, Dec 14
Spirit Airlines Logo
9:45 am - 11:44 amDTW-SAT
2h 59mnonstop
Spirit Airlines Logo
8:37 pm - 6:00 amSAT-DTW
8h 23m1 stop
$212Spirit Airlines
Find Deal
Sun, Aug 31 - Thu, Sep 11
Spirit Airlines Logo
9:45 am - 11:44 amDTW-SAT
2h 59mnonstop
Spirit Airlines Logo
8:37 pm - 6:00 amSAT-DTW
8h 23m1 stop
$215Spirit Airlines
Find Deal
Sun, Aug 31 - Sun, Sep 7

Spirit Airlines flights from Detroit to San Antonio

Our best Spirit Airlines deals on Detroit to San Antonio flight tickets
Spirit Airlines
Dec 11
DTW9:30 amDetroit Metropolitan Wayne County
3h 17m
SAT11:47 amSan Antonio
Dec 14
SAT1:50 pmSan Antonio
3h 04m
DTW5:54 pmDetroit Metropolitan Wayne County
$188
Find similar
Spirit Airlines
Aug 31
DTW9:45 amDetroit Metropolitan Wayne County
2h 59m
SAT11:44 amSan Antonio
Sep 11
SAT8:37 pmSan Antonio
8h 23m
1 stop
DTW6:00 amDetroit Metropolitan Wayne County
$212
Find similar
Spirit Airlines
Aug 31
DTW9:45 amDetroit Metropolitan Wayne County
2h 59m
SAT11:44 amSan Antonio
Sep 7
SAT8:37 pmSan Antonio
8h 23m
1 stop
DTW6:00 amDetroit Metropolitan Wayne County
$215
Find similar

Frontier flights from Detroit to San Antonio

Our best Frontier deals on Detroit to San Antonio flight tickets
Frontier
Sep 26
DTW10:54 amDetroit Metropolitan Wayne County
6h 36m
1 stop
SAT4:30 pmSan Antonio
Oct 3
SAT12:41 pmSan Antonio
11h 05m
1 stop
DTW12:46 amDetroit Metropolitan Wayne County
$146
Find similar
Frontier
Oct 16
DTW6:00 amDetroit Metropolitan Wayne County
6h 14m
1 stop
SAT11:14 amSan Antonio
Oct 21
SAT3:59 pmSan Antonio
8h 00m
1 stop
DTW12:59 amDetroit Metropolitan Wayne County
$149
Find similar
Frontier
Sep 5
DTW10:54 amDetroit Metropolitan Wayne County
6h 36m
1 stop
SAT4:30 pmSan Antonio
Sep 20
SAT3:22 pmSan Antonio
7h 36m
1 stop
DTW11:58 pmDetroit Metropolitan Wayne County
$156
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 18, 2025.
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

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 9/26

10:54 am-4:30 pm

1 stop6h 36m

San Antonio

Fri 10/3

12:41 pm-12:46 am

1 stop11h 05m

$146

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 10/16

6:00 am-11:14 am

1 stop6h 14m

San Antonio

Tue 10/21

3:59 pm-12:59 am

1 stop8h 00m

$149

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 9/5

10:54 am-4:30 pm

1 stop6h 36m

San Antonio

Sat 9/20

3:22 pm-11:58 pm

1 stop7h 36m

$156

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Sat 10/18

6:35 pm-4:50 pm

1 stop23h 15m

San Antonio

Fri 10/24

8:26 pm-12:59 am

1 stop27h 33m

$163

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 9/5

6:10 am-11:46 am

1 stop6h 36m

San Antonio

Fri 9/19

5:40 pm-2:46 pm

1 stop20h 06m

$166

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Sat 9/6

8:00 am-2:27 pm

1 stop7h 27m

San Antonio

Sat 9/20

3:22 pm-11:58 pm

1 stop7h 36m

$167

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 9/17

9:19 pm-10:48 am

1 stop14h 29m

San Antonio

Mon 9/29

5:40 pm-8:14 am

1 stop13h 34m

$169

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 12/11

9:30 am-11:47 am

Nonstop3h 17m

San Antonio

Sun 12/14

1:50 pm-5:54 pm

Nonstop3h 04m

$188

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Sun 8/31

9:45 am-11:44 am

Nonstop2h 59m

San Antonio

Thu 9/11

8:37 pm-6:00 am

1 stop8h 23m

$212

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Sun 8/31

9:45 am-11:44 am

Nonstop2h 59m

San Antonio

Sun 9/7

8:37 pm-6:00 am

1 stop8h 23m

$215

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Detroit to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Detroit and San Antonio?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of June, then book flights to San Antonio from Detroit during July instead. Flights to San Antonio in July, while not as cheap as those in June, still average around $309.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Friday when prices can be found for as low as $390. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $551.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is at noon. momondo users have found flights departing from Detroit to San Antonio at noon for as low as $376. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $449. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Detroit to San Antonio flight route?

Fly from Detroit Metropolitan Wayne County to San Antonio for the best Detroit - San Antonio flight prices

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $388 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Detroit for as low as $339 on momondo.

What cabin class options are available on Detroit to San Antonio flights?

There are 3 cabin classes available to choose from on Detroit to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Detroit to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Detroit to San Antonio.

How have Detroit to San Antonio flight prices changed over time?

As of August 2025, prices for Detroit to San Antonio flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Detroit to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to San Antonio (DTT to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to San Antonio

Best Price Found

$75

Fastest flight time

2h 59m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Detroit in the past 72 hours is $75. The best round-trip flight deal from Detroit to San Antonio found on momondo in the last 72 hours is $146.
The fastest flight from Detroit to San Antonio takes 2h 59m
Direct flights go from Detroit to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
Search flight deals

  • How far is Detroit to San Antonio by plane?

    San Antonio is 1237.6 mi away from Detroit. A reasonable flight in good conditions will take 2h 59m.

  • When did momondo last update prices for flights from Detroit to San Antonio Airport?

    Prices for flights from Detroit to San Antonio Airport refresh daily.

  • How many operators does momondo search for flights from Detroit to San Antonio Airport?

  • How old do you have to be to fly from Detroit to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Detroit to San Antonio?

  • What is the most popular airline from Detroit to San Antonio?

Best airlines flying from Detroit to San Antonio

Compare and see reviews for airlines that fly from Detroit to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $88Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
FrontierPriceFrom $112Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
SouthwestPriceFrom $282Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
DeltaPriceFrom $289Free CancellationRating
8.0
7,981 reviews
Search Delta flights

  • Southwest Flights From Detroit to San Antonio

    The lowest priced Southwest flight from Detroit to San Antonio from the last 72 hours was $282. Generally, Southwest has 1 flight on this route every week with an average price of $458. Southwest is rated 8.0/10 by our users.

  • Delta Flights From Detroit to San Antonio

    Across 7,981 Delta reviews on momondo, the average score is 8.0/10. Delta flies from Detroit to San Antonio about 19 times each week, with ticket deals ranging from $289 to $421. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near San Antonio?

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

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to San Antonio?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Detroit to San Antonio. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Detroit to San Antonio with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Antonio from Detroit which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Detroit to San Antonio?

Once all potential Detroit to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Detroit to San Antonio right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Antonio from Detroit. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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