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Cheap flights from Detroit to San Antonio from $68

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 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Detroit to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:35 am - 4:17 pm
DTW
-
SAT
7h 42m1 stop
Frontier Logo
1:57 pm - 9:42 am
SAT
-
DTW
18h 45m1 stop
$154Frontier
Wed, Feb 18 - Thu, Feb 26
Frontier Logo
9:35 am - 4:17 pm
DTW
-
SAT
7h 42m1 stop
Frontier Logo
7:56 pm - 11:55 pm
SAT
-
DTW
26h 59m1 stop
$159Frontier
Wed, Feb 18 - Sat, Feb 21
Multiple Airlines Logo
8:00 am - 4:15 pm
DTW
-
SAT
9h 15m1 stop
Multiple Airlines Logo
8:00 pm - 1:52 pm
SAT
-
DTW
16h 52m1 stop
$160Multiple Airlines
Tue, Jan 6 - Mon, Jan 12
Frontier Logo
8:00 am - 4:15 pm
DTW
-
SAT
9h 15m1 stop
Frontier Logo
7:14 pm - 10:46 am
SAT
-
DTW
14h 32m1 stop
$163Frontier
Tue, Jan 6 - Thu, Jan 8
Frontier Logo
5:33 pm - 1:12 pm
DTW
-
SAT
20h 39m2 stops
Frontier Logo
8:22 pm - 11:55 pm
SAT
-
DTW
26h 33m1 stop
$164Frontier
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
6:00 am - 7:25 pm
DTW
-
SAT
14h 25m1 stop
Frontier Logo
8:22 pm - 11:55 pm
SAT
-
DTW
26h 33m1 stop
$166Frontier
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
9:35 am - 4:17 pm
DTW
-
SAT
7h 42m1 stop
Frontier Logo
8:25 pm - 10:59 am
SAT
-
DTW
13h 34m1 stop
$168Frontier
Wed, Feb 18 - Thu, Feb 19
Frontier Logo
10:29 pm - 1:12 pm
DTW
-
SAT
15h 43m2 stops
Frontier Logo
1:57 pm - 10:54 am
SAT
-
DTW
19h 57m1 stop
$169Frontier
Fri, Feb 20 - Mon, Feb 23
Multiple Airlines Logo
5:15 pm - 11:52 pm
DTW
-
SAT
7h 37m1 stop
Multiple Airlines Logo
9:09 am - 6:46 pm
SAT
-
DTW
8h 37m1 stop
$171Multiple Airlines
Mon, Jan 12 - Thu, Jan 15
Multiple Airlines Logo
8:00 am - 4:15 pm
DTW
-
SAT
9h 15m1 stop
Multiple Airlines Logo
2:39 pm - 5:09 pm
SAT
-
DTW
25h 30m1 stop
$172Multiple Airlines
Tue, Jan 6 - Wed, Jan 7

Spirit Airlines flights from Detroit to San Antonio

Our best Spirit Airlines deals on Detroit to San Antonio flight tickets
Spirit Airlines
Jan 13
DTW5:15 pmDetroit Metropolitan Wayne County
7h 37m
1 stop
SAT11:52 pmSan Antonio
Jan 20
SAT6:30 amSan Antonio
6h 22m
1 stop
DTW1:52 pmDetroit Metropolitan Wayne County
$198
Find similar
Spirit Airlines
Jan 27
DTW5:15 pmDetroit Metropolitan Wayne County
7h 37m
1 stop
SAT11:52 pmSan Antonio
Jan 31
SAT10:35 amSan Antonio
12h 24m
1 stop
DTW11:59 pmDetroit Metropolitan Wayne County
$201
Find similar
Spirit Airlines
Jan 12
DTW7:00 amDetroit Metropolitan Wayne County
17h 52m
1 stop
SAT11:52 pmSan Antonio
Jan 15
SAT10:35 amSan Antonio
10h 33m
2 stops
DTW10:08 pmDetroit Metropolitan Wayne County
$204
Find similar

Frontier flights from Detroit to San Antonio

Our best Frontier deals on Detroit to San Antonio flight tickets
Frontier
Feb 18
DTW9:35 amDetroit Metropolitan Wayne County
7h 42m
1 stop
SAT4:17 pmSan Antonio
Feb 26
SAT1:57 pmSan Antonio
18h 45m
1 stop
DTW9:42 amDetroit Metropolitan Wayne County
$154
Find similar
Frontier
Feb 18
DTW9:35 amDetroit Metropolitan Wayne County
7h 42m
1 stop
SAT4:17 pmSan Antonio
Feb 21
SAT7:56 pmSan Antonio
26h 59m
1 stop
DTW11:55 pmDetroit Metropolitan Wayne County
$159
Find similar
Frontier
Jan 6
DTW8:00 amDetroit Metropolitan Wayne County
9h 15m
1 stop
SAT4:15 pmSan Antonio
Jan 8
SAT7:14 pmSan Antonio
14h 32m
1 stop
DTW10:46 amDetroit Metropolitan Wayne County
$163
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 December 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

Wed 2/18

9:35 am-4:17 pm

1 stop7h 42m

San Antonio

Thu 2/26

1:57 pm-9:42 am

1 stop18h 45m

$154

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 2/18

9:35 am-4:17 pm

1 stop7h 42m

San Antonio

Sat 2/21

7:56 pm-11:55 pm

1 stop26h 59m

$159

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Tue 1/6

8:00 am-4:15 pm

1 stop9h 15m

San Antonio

Mon 1/12

8:00 pm-1:52 pm

1 stop16h 52m

$160

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Tue 1/6

8:00 am-4:15 pm

1 stop9h 15m

San Antonio

Thu 1/8

7:14 pm-10:46 am

1 stop14h 32m

$163

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 2/26

5:33 pm-1:12 pm

2 stops20h 39m

San Antonio

Mon 3/2

8:22 pm-11:55 pm

1 stop26h 33m

$164

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 2/26

6:00 am-7:25 pm

1 stop14h 25m

San Antonio

Mon 3/2

8:22 pm-11:55 pm

1 stop26h 33m

$166

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 2/18

9:35 am-4:17 pm

1 stop7h 42m

San Antonio

Thu 2/19

8:25 pm-10:59 am

1 stop13h 34m

$168

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 2/20

10:29 pm-1:12 pm

2 stops15h 43m

San Antonio

Mon 2/23

1:57 pm-10:54 am

1 stop19h 57m

$169

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Mon 1/12

5:15 pm-11:52 pm

1 stop7h 37m

San Antonio

Thu 1/15

9:09 am-6:46 pm

1 stop8h 37m

$171

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Tue 1/6

8:00 am-4:15 pm

1 stop9h 15m

San Antonio

Wed 1/7

2:39 pm-5:09 pm

1 stop25h 30m

$172

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 August, then book flights to San Antonio from Detroit during June instead. Flights to San Antonio in June, while not as cheap as those in August, still average around $275.

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 Thursday when prices can be found for as low as $384. 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 $539.

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 $399. 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 morning, with an average ticket price of $437. Departure times in the morning 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 $396 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 December 2025, prices for Detroit to San Antonio flights are approximately 49% cheaper 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

$448

Fastest flight time

3h 17m

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 $448. The best round-trip flight deal from Detroit to San Antonio found on momondo in the last 72 hours is $399.
The fastest flight from Detroit to San Antonio takes 3h 17m
Direct flights go from Detroit to San Antonio every day.
There is 1 airport in San Antonio. From Detroit there are direct flights to 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 3h 17m.

  • 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
8,190 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights
DeltaPriceFrom $299Free CancellationRating
7.9
8,005 reviews
Search Delta flights
SouthwestPriceFrom $326Free CancellationRating
7.9
4,250 reviews
Search Southwest flights

  • Delta Flights From Detroit to San Antonio

    The lowest priced Delta flight from Detroit to San Antonio from the last 72 hours was $299. Generally, Delta has 11 flights on this route every week with an average price of $438. Delta is rated 7.9/10 by our users.

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

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