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Cheap flights from San Antonio to Detroit from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Detroit departing on 8/21. 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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Cheap round-trip flights

Spirit Airlines Logo
12:39 pm - 4:44 pmSAT-DTW
3h 05mnonstop
Spirit Airlines Logo
9:45 am - 11:44 amDTW-SAT
2h 59mnonstop
$119Spirit Airlines
Find Deal
Thu, Aug 21 - Thu, Aug 28
Spirit Airlines Logo
12:39 pm - 4:44 pmSAT-DTW
3h 05mnonstop
Spirit Airlines Logo
9:45 am - 11:44 amDTW-SAT
2h 59mnonstop
$135Spirit Airlines
Find Deal
Thu, Aug 21 - Sun, Aug 24
Spirit Airlines Logo
12:39 pm - 4:44 pmSAT-DTW
3h 05mnonstop
Spirit Airlines Logo
9:45 am - 11:44 amDTW-SAT
2h 59mnonstop
$138Spirit Airlines
Find Deal
Thu, Aug 21 - Sun, Aug 24
Spirit Airlines Logo
12:39 pm - 4:44 pmSAT-DTW
3h 05mnonstop
Spirit Airlines Logo
9:45 am - 11:44 amDTW-SAT
2h 59mnonstop
$148Spirit Airlines
Find Deal
Thu, Aug 21 - Thu, Aug 28
Spirit Airlines Logo
8:28 pm - 5:58 amSAT-DTW
8h 30m1 stop
Spirit Airlines Logo
9:45 am - 11:44 amDTW-SAT
2h 59mnonstop
$156Spirit Airlines
Find Deal
Thu, Aug 21 - Thu, Aug 28
Spirit Airlines Logo
12:39 pm - 4:44 pmSAT-DTW
3h 05mnonstop
Spirit Airlines Logo
9:45 am - 11:44 amDTW-SAT
2h 59mnonstop
$161Spirit Airlines
Find Deal
Sun, Aug 17 - Sun, Aug 24
Spirit Airlines Logo
12:39 pm - 4:44 pmSAT-DTW
3h 05mnonstop
Spirit Airlines Logo
9:45 am - 11:44 amDTW-SAT
2h 59mnonstop
$165Spirit Airlines
Find Deal
Thu, Aug 21 - Sun, Aug 24
Spirit Airlines Logo
8:28 pm - 5:58 amSAT-DTW
8h 30m1 stop
Spirit Airlines Logo
9:45 am - 11:44 amDTW-SAT
2h 59mnonstop
$166Spirit Airlines
Find Deal
Thu, Aug 21 - Sun, Aug 24
Frontier Logo
6:59 pm - 10:59 amSAT-DTW
15h 00m1 stop
Frontier Logo
7:40 am - 2:35 pmDTW-SAT
7h 55m1 stop
$227Frontier
Find Deal
Sat, Aug 16 - Sat, Aug 23
Frontier Logo
3:34 pm - 12:44 amSAT-DTW
8h 10m1 stop
Frontier Logo
10:31 am - 4:42 pmDTW-SAT
7h 11m1 stop
$228Frontier
Find Deal
Sat, Aug 30 - Mon, Sep 1

Spirit Airlines flights from San Antonio to Detroit

Our best Spirit Airlines deals on San Antonio to Detroit flight tickets
Spirit Airlines
Aug 21
SAT12:39 pmSan Antonio
3h 05m
DTW4:44 pmDetroit Metropolitan Wayne County
Aug 28
DTW9:45 amDetroit Metropolitan Wayne County
2h 59m
SAT11:44 amSan Antonio
$119
Find similar
Spirit Airlines
Aug 21
SAT12:39 pmSan Antonio
3h 05m
DTW4:44 pmDetroit Metropolitan Wayne County
Aug 24
DTW9:45 amDetroit Metropolitan Wayne County
2h 59m
SAT11:44 amSan Antonio
$135
Find similar
Spirit Airlines
Aug 21
SAT12:39 pmSan Antonio
3h 05m
DTW4:44 pmDetroit Metropolitan Wayne County
Aug 24
DTW9:45 amDetroit Metropolitan Wayne County
2h 59m
SAT11:44 amSan Antonio
$138
Find similar

Frontier flights from San Antonio to Detroit

Our best Frontier deals on San Antonio to Detroit flight tickets
Frontier
Aug 16
SAT6:59 pmSan Antonio
15h 00m
1 stop
DTW10:59 amDetroit Metropolitan Wayne County
Aug 23
DTW7:40 amDetroit Metropolitan Wayne County
7h 55m
1 stop
SAT2:35 pmSan Antonio
$227
Find similar
Frontier
Aug 30
SAT3:34 pmSan Antonio
8h 10m
1 stop
DTW12:44 amDetroit Metropolitan Wayne County
Sep 1
DTW10:31 amDetroit Metropolitan Wayne County
7h 11m
1 stop
SAT4:42 pmSan Antonio
$228
Find similar
Frontier
Aug 8
SAT10:16 amSan Antonio
21h 31m
1 stop
DTW8:47 amDetroit Metropolitan Wayne County
Aug 12
DTW7:15 amDetroit Metropolitan Wayne County
11h 47m
1 stop
SAT6:02 pmSan Antonio
$229
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Detroit 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 1, 2025.
Use the filters below to find and compare flights from San Antonio to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioDetroit

SAT - DTW

SATDTW

San Antonio

Thu 8/21

12:39 pm-4:44 pm

Nonstop3h 05m

Detroit Metropolitan Wayne County

Thu 8/28

9:45 am-11:44 am

Nonstop2h 59m

$119

San AntonioDetroit

SAT - DTW

SATDTW

San Antonio

Thu 8/21

12:39 pm-4:44 pm

Nonstop3h 05m

Detroit Metropolitan Wayne County

Sun 8/24

9:45 am-11:44 am

Nonstop2h 59m

$135

San AntonioDetroit

SAT - DTW

SATDTW

San Antonio

Thu 8/21

12:39 pm-4:44 pm

Nonstop3h 05m

Detroit Metropolitan Wayne County

Sun 8/24

9:45 am-11:44 am

Nonstop2h 59m

$138

San AntonioDetroit

SAT - DTW

SATDTW

San Antonio

Thu 8/21

12:39 pm-4:44 pm

Nonstop3h 05m

Detroit Metropolitan Wayne County

Thu 8/28

9:45 am-11:44 am

Nonstop2h 59m

$148

San AntonioDetroit

SAT - DTW

SATDTW

San Antonio

Thu 8/21

8:28 pm-5:58 am

1 stop8h 30m

Detroit Metropolitan Wayne County

Thu 8/28

9:45 am-11:44 am

Nonstop2h 59m

$156

San AntonioDetroit

SAT - DTW

SATDTW

San Antonio

Sun 8/17

12:39 pm-4:44 pm

Nonstop3h 05m

Detroit Metropolitan Wayne County

Sun 8/24

9:45 am-11:44 am

Nonstop2h 59m

$161

San AntonioDetroit

SAT - DTW

SATDTW

San Antonio

Thu 8/21

12:39 pm-4:44 pm

Nonstop3h 05m

Detroit Metropolitan Wayne County

Sun 8/24

9:45 am-11:44 am

Nonstop2h 59m

$165

San AntonioDetroit

SAT - DTW

SATDTW

San Antonio

Thu 8/21

8:28 pm-5:58 am

1 stop8h 30m

Detroit Metropolitan Wayne County

Sun 8/24

9:45 am-11:44 am

Nonstop2h 59m

$166

San AntonioDetroit

SAT - DTW

SATDTW

San Antonio

Sat 8/16

6:59 pm-10:59 am

1 stop15h 00m

Detroit Metropolitan Wayne County

Sat 8/23

7:40 am-2:35 pm

1 stop7h 55m

$227

San AntonioDetroit

SAT - DTW

SATDTW

San Antonio

Sat 8/30

3:34 pm-12:44 am

1 stop8h 10m

Detroit Metropolitan Wayne County

Mon 9/1

10:31 am-4:42 pm

1 stop7h 11m

$228

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 Detroit from

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

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 San Antonio and Detroit?

What is the cheapest month to fly to Detroit?

The cheapest month to fly to Detroit from San Antonio is in August. Flight prices, which tend to average around $308, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in August, then June is your next best option. Flight prices from San Antonio to Detroit during June average around $339.

What is the cheapest day to depart on your flight to Detroit?

On average, the least expensive day to fly to Detroit from San Antonio is on a Saturday. momondo users have found tickets for Saturday departures for as low as $432. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Antonio to Detroit for around $695.

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

In the evening is the cheapest time of day to fly from San Antonio to Detroit when you can find flight prices for as low as $219. Flying to Detroit in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $578 on average. Flights to Detroit from San Antonio in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest San Antonio to Detroit flight route?

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

How far in advance should I book a flight to Detroit?

You are more likely to see cheaper flights to Detroit from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from San Antonio for as low as $275 on momondo.

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

There are 4 cabin classes available to choose from on San Antonio to Detroit 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 San Antonio to Detroit flights?

You could potentially save up to 2% on your flight if you consider stops on a San Antonio to Detroit flight.

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

As of August 2025, prices for San Antonio to Detroit flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from San Antonio to Detroit

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

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

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

Best Price Found

$70

Fastest flight time

3h 04m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Detroit

1 airport
The best one-way flight to Detroit from San Antonio in the past 72 hours is $70. The best round-trip flight deal from San Antonio to Detroit found on momondo in the last 72 hours is $119.
The fastest flight from San Antonio to Detroit takes 3h 04m
Direct flights go from San Antonio to Detroit on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Delta and Spirit Airlines.
There is 1 airport near Detroit: Detroit Metropolitan Wayne County (DTW)
Search flight deals

  • How far is San Antonio to Detroit by plane?

    The straight-line distance from San Antonio to Detroit is 1237.6 mi. Typically, this will take 3h 04m by plane in normal conditions.

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

    Prices for flights from San Antonio Airport to Detroit are updated daily.

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

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

    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 San Antonio Airport to Detroit.

  • What documentation or ID do you need to fly to Detroit?

    The required travel and health documents for your Detroit 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 Detroit. 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 San Antonio to Detroit?

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

Best airlines flying from San Antonio to Detroit

Compare and see reviews for airlines that fly from San Antonio to Detroit with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $88Free CancellationRating
6.3
8,054 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $238Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $299Free CancellationRating
8.0
7,983 reviews
Search Delta flights

  • Delta Flights From San Antonio to Detroit

    Delta operates around 12 flights from San Antonio to Detroit every week. The average price of these flights found in the last 72 hours has been $407, but momondo users have found Delta deals from San Antonio to Detroit from as low as $299 round-trip. Delta has been scored 8.0/10 in 7,983 reviews.

  • Spirit Airlines Flights From San Antonio to Detroit

    Across 8,054 Spirit Airlines reviews on momondo, the average score is 6.3/10. Spirit Airlines flies from San Antonio to Detroit about 2 times each week, with ticket deals ranging from $88 to $236. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
Port Huron
Roseville

Why use momondo?

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

It is quick and easy to find San Antonio to Detroit flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Detroit that suits you.

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

Yes. All flights to Detroit from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential San Antonio to Detroit 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 San Antonio to Detroit right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Antonio to Detroit flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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