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Cheap flights from Detroit to San Antonio from $73

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 8/28. 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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Cheap round-trip flights

Frontier Logo
7:40 am - 2:35 pmDTW-SAT
7h 55m1 stop
Frontier Logo
3:22 pm - 11:58 pmSAT-DTW
7h 36m1 stop
$143Frontier
Find Deal
Sat, Aug 30 - Sat, Sep 6
Spirit Airlines Logo
7:03 pm - 9:18 pmDTW-SAT
3h 15mnonstop
Spirit Airlines Logo
2:03 pm - 6:08 pmSAT-DTW
3h 05mnonstop
$148Spirit Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
Spirit Airlines Logo
6:00 am - 8:04 amDTW-SAT
3h 04mnonstop
Spirit Airlines Logo
12:39 pm - 4:44 pmSAT-DTW
3h 05mnonstop
$150Spirit Airlines
Find Deal
Mon, Aug 11 - Thu, Aug 14
Frontier Logo
12:08 pm - 4:52 pmDTW-SAT
5h 44m1 stop
Frontier Logo
3:34 pm - 12:44 amSAT-DTW
8h 10m1 stop
$156Frontier
Find Deal
Fri, Aug 1 - Sat, Aug 23
 Logo
10:43 am - 4:30 pmDTW-SAT
6h 47m1 stop
 Logo
8:30 pm - 6:07 amSAT-DTW
8h 37m1 stop
Fri, Sep 26 - Mon, Sep 29
Spirit Airlines Logo
8:03 am - 4:33 pmDTW-SAT
9h 30m1 stop
Spirit Airlines Logo
5:38 pm - 12:27 pmSAT-DTW
17h 49m1 stop
$163Spirit Airlines
Find Deal
Thu, Jul 31 - Thu, Aug 7
Spirit Airlines Logo
8:03 am - 4:33 pmDTW-SAT
9h 30m1 stop
Spirit Airlines Logo
5:38 pm - 12:27 pmSAT-DTW
17h 49m1 stop
$164Spirit Airlines
Find Deal
Thu, Jul 17 - Sun, Jul 20
 Logo
7:03 pm - 9:18 pmDTW-SAT
3h 15mnonstop
 Logo
3:28 pm - 12:45 amSAT-DTW
8h 17m1 stop
Fri, Oct 17 - Mon, Oct 20
 Logo
6:00 am - 8:04 amDTW-SAT
3h 04mnonstop
 Logo
3:34 pm - 12:44 amSAT-DTW
8h 10m1 stop
Fri, Aug 1 - Sat, Aug 23
Spirit Airlines Logo
6:00 am - 8:04 amDTW-SAT
3h 04mnonstop
Spirit Airlines Logo
9:00 am - 1:12 pmSAT-DTW
3h 12mnonstop
$173Spirit Airlines
Find Deal
Fri, Aug 8 - Mon, Aug 11

Spirit Airlines flights from Detroit to San Antonio

Our best Spirit Airlines deals on Detroit to San Antonio flight tickets
Spirit Airlines
Oct 17
DTW7:03 pmDetroit Metropolitan Wayne County
3h 15m
SAT9:18 pmSan Antonio
Oct 20
SAT2:03 pmSan Antonio
3h 05m
DTW6:08 pmDetroit Metropolitan Wayne County
Spirit Airlines
Aug 11
DTW6:00 amDetroit Metropolitan Wayne County
3h 04m
SAT8:04 amSan Antonio
Aug 14
SAT12:39 pmSan Antonio
3h 05m
DTW4:44 pmDetroit Metropolitan Wayne County
Spirit Airlines
Jul 31
DTW8:03 amDetroit Metropolitan Wayne County
9h 30m
1 stop
SAT4:33 pmSan Antonio
Aug 7
SAT5:38 pmSan Antonio
17h 49m
1 stop
DTW12:27 pmDetroit Metropolitan Wayne County

Frontier flights from Detroit to San Antonio

Our best Frontier deals on Detroit to San Antonio flight tickets
Frontier
Aug 30
DTW7:40 amDetroit Metropolitan Wayne County
7h 55m
1 stop
SAT2:35 pmSan Antonio
Sep 6
SAT3:22 pmSan Antonio
7h 36m
1 stop
DTW11:58 pmDetroit Metropolitan Wayne County
Frontier
Aug 1
DTW12:08 pmDetroit Metropolitan Wayne County
5h 44m
1 stop
SAT4:52 pmSan Antonio
Aug 23
SAT3:34 pmSan Antonio
8h 10m
1 stop
DTW12:44 amDetroit Metropolitan Wayne County
Frontier
Oct 17
DTW6:00 amDetroit Metropolitan Wayne County
9h 33m
1 stop
SAT2:33 pmSan Antonio
Oct 20
SAT3:28 pmSan Antonio
8h 17m
1 stop
DTW12:45 amDetroit Metropolitan Wayne County

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 October instead. Flights to San Antonio in October, while not as cheap as those in June, still average around $339.

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 $400. 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 $554.

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 in the evening. momondo users have found flights departing from Detroit to San Antonio in the evening for as low as $402. 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 $450. 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 $405 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 $344 on momondo.

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

There are 4 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 July 2025, prices for Detroit to San Antonio flights are approximately 49% 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

$73

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 $73. The best round-trip flight deal from Detroit to San Antonio found on momondo in the last 72 hours is $143.
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)

  • 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
8,094 reviews
Search Spirit Airlines flights
FrontierPriceFrom $112Free CancellationRating
5.9
3,284 reviews
Search Frontier flights
SouthwestPriceFrom $282Free CancellationRating
8.0
4,270 reviews
Search Southwest flights
American AirlinesPriceFrom $284Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
DeltaPriceFrom $293Free CancellationRating
8.0
7,983 reviews
Search Delta flights
  • Delta Flights From Detroit to San Antonio

    The lowest priced Delta flight from Detroit to San Antonio from the last 72 hours was $293. Generally, Delta has 3 flights on this route every week with an average price of $437. Delta is rated 8.0/10 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.


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1 adult
Tue 7/8
Tue 7/15

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