Are there direct flights from Detroit to San Antonio?

Based on data from the trailing 90 days, direct flights from Detroit to San Antonio are not very common. Approximately 0.1% of flights on this route were direct. For travelers with connecting flights, the median number of stopovers observed was 2.

What's the flight time from Detroit to San Antonio?

The typical direct flight from Detroit to San Antonio covers a distance of 1954 kilometers and has a median duration of 3 hours and 11 minutes. Flights with one stop generally take longer, with a median duration of 8 hours and 11 minutes. This represents a significant difference in travel time compared to direct routes.

How often do cheap flights from Detroit to San Antonio come up?

Historically, cheap flights from Detroit to San Antonio are classified as frequent. This indicates that travelers typically have regular opportunities to find good deals on this route. This assessment is based on observations over a 30-day period.

Flights From Detroit

To San Antonio

Cheap Flights from Detroit to San Antonio

Browse current best options from Detroit. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Detroit

RatePunk searches hundreds of travel sites at once for deals on flights to San Antonio

Prices updated today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Detroit to San Antonio

Explore current cheapest deals departing from Detroit to San Antonio

2026-10-27 – 2026-11-03
DTT - San Antonio
79% AI deal score
$315
$185
Round trip
2026-10-21 – 2026-11-09
DTT - San Antonio
75% AI deal score
$271
$194
Round trip
2026-10-31 – 2026-11-09
DTT - San Antonio
77% AI deal score
$297
$194
Round trip
2026-11-18 – 2026-12-12
DTT - San Antonio
68% AI deal score
$235
$195
Round trip
2026-11-18 – 2026-12-08
DTT - San Antonio
68% AI deal score
$236
$195
Round trip
2026-10-27 – 2026-11-17
DTT - San Antonio
74% AI deal score
$269
$196
Round trip
2026-10-31 – 2026-11-03
DTT - San Antonio
78% AI deal score
$332
$200
Round trip
2026-10-20 – 2026-11-03
DTT - San Antonio
75% AI deal score
$281
$201
Round trip
2026-10-20 – 2026-11-17
DTT - San Antonio
74% AI deal score
$269
$201
Round trip
2026-11-07 – 2026-11-17
DTT - San Antonio
68% AI deal score
$243
$201
Round trip

Detroit to San Antonio: Overview

Insights for flights from Detroit to San Antonio

Most itineraries for cheap flights from Detroit to San Antonio connect at least once, with only 0.1% of recent fares being non-stop. For connecting itineraries, the typical number of stopovers is 2. This means you will likely encounter one or more stops on your journey.

A typical journey from Detroit to San Antonio takes about 11h 38m, including connections. This duration accounts for the time spent in transit and any layovers, reflecting the predominantly connecting nature of flights on this route.

The distance between Detroit and San Antonio is 1954 km, classifying this as a medium-haul route. This distance typically involves several hours of flight time, often with connections.

Right now, fares to San Antonio from Detroit are typically $487–$1003, with a median of $573. Current fares are above the typical level, and only 1% of recent fares were classified as a good price. New deals appear almost daily, suggesting frequent opportunities to find better prices.

When is the cheapest time to fly from Detroit to San Antonio? The most affordable month to fly is March, with a median fare of $240. Following March, April offers a median fare of $482, and May has a median fare of $484. These months present the best opportunities for lower prices.

How much is a round trip from Detroit to San Antonio

Regular price: $248 - $383

Prices are currently below the regular range for flights from Detroit to San Antonio.

The regular price range for flights from Detroit to San Antonio is typically between $248 and $383. The current lowest deal is $185 with Frontier Airlines, for travel from Oct 27-Nov 3.

now $185

Low $248

High $383

The cheapest time to fly from Detroit to San Antonio

The cheapest month to fly from Detroit to San Antonio is March, with a median price of $240. The most expensive month is June, with a median price of $856. Prices are generally lower from January to November.

March

Cheapest

Flights from $240

June

Most Expensive

Flights from $856

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Detroit to San Antonio

Frontier Airlines

Breeze Airways

Last-minute flights going from Detroit to San Antonio

Tue, Sep 15

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$616

$397

One-way

Thu, Sep 17

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$591

$441

One-way

Fri, Sep 18

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$591

$455

One-way

Sat, Sep 19

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$591

$443

One-way

Mon, Sep 21

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$507

$387

One-way

Tue, Sep 22

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$405

$372

One-way

Biggest price drops on these dates for flights from Detroit to San Antonio

1 night

Sep 15 - Sep 16

$616 → $397

36%

1 night

Sep 17 - Sep 18

$591 → $441

25%

1 night

Sep 19 - Sep 20

$591 → $443

25%

1 night

Sep 18 - Sep 19

$591 → $455

23%

Popular Airports to fly from Detroit to San Antonio

Detroit - San Antonio route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Detroit to San Antonio are above the typical level at $813.

📅 Best time to fly

Fly in March for the lowest prices

Historically, March has the lowest median price at $240 for Detroit to San Antonio.

⏱️ Flight duration

Expect a flight duration of 11h 38m

The typical flight duration from Detroit to San Antonio is 11h 38m.

✈️ Airlines & availability

Connecting flights are dominant on this route

Only 10% of recent flights from Detroit to San Antonio are direct.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines has 100 direct deals from Detroit to San Antonio.

🎯 Booking tip

Deals are frequent on this route

Deals from Detroit to San Antonio are frequent, appearing every 30 days.

Detroit main airports to depart from

Detroit Metropolitan (DTW)

Cheapest

Detroit Metropolitan is a convenient option for flights from Detroit to San Antonio.

📍 ~29 km from Detroit (reachable by car)

💸 Flights from ~$249

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International is ideal for direct access to San Antonio from Detroit.

📍 ~12 km from city center (reachable by car)

💸 Flights from ~$229

Airports nearby San Antonio used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International is a major international hub with an extensive flight network, offering many flight options.

📍 ~120 km from San Antonio (reachable by car, but expect heavy traffic on I-35).

💸 Flights from ~$205

Business & First Class Flight Deals to San Antonio

Discover luxury on the budget with premium cabin class on flights from Detroit to San Antonio.

Elite

Best Elite deals to San Antonio

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From DTW

Elite

Oct 31

San Antonio, United States

82% AI deal score

$1,768

$989

Save $779

United Airlines

Business Class

From DTW

Elite

Sep 30

San Antonio, United States

80% AI deal score

$1,744

$1,119

Save $625

United Airlines

Business Class

From DTW

Elite

Oct 21

San Antonio, United States

79% AI deal score

$1,347

$980

Save $367

United Airlines

Business Class

From DTW

Elite

Oct 27

San Antonio, United States

79% AI deal score

$1,377

$980

Save $397

United Airlines

Business Class

From DTW

Elite

Nov 10

San Antonio, United States

79% AI deal score

$1,336

$980

Save $356

United Airlines

Business Class

From DTW

Elite

Nov 11

San Antonio, United States

79% AI deal score

$1,331

$980

Save $351

United Airlines

Business Class

From DTW

Elite

Oct 20

San Antonio, United States

79% AI deal score

$1,337

$980

Save $357

United Airlines

Business Class

From DTW

Elite

Oct 28

San Antonio, United States

79% AI deal score

$1,377

$989

Save $388

United Airlines

Business Class

From DTW

Elite

Oct 31

San Antonio, United States

79% AI deal score

$1,398

$989

Save $409

United Airlines

Business Class

From DTW

Elite

Dec 02

San Antonio, United States

79% AI deal score

$1,335

$989

Save $346

United Airlines

Business Class

From DTW

Elite

Dec 15

San Antonio, United States

79% AI deal score

$1,400

$989

Save $411

United Airlines

Business Class

From DTW

Elite

Nov 19

San Antonio, United States

79% AI deal score

$1,396

$989

Save $407

United Airlines

Business Class

Frequently Asked Questions About Flights to San Antonio

Historically, the optimal booking window for flights from Detroit to San Antonio is typically 14-27 days before departure. During this period, the average price observed was $290. Booking within 7-13 days of departure generally sees a significant increase, with average prices rising to $1099. For those planning further in advance, prices for flights booked 60+ days out averaged around $595, based on data from the trailing 90 days.

Across the trailing quarter, a flight from Detroit to San Antonio is generally considered a good deal if it is priced at or below $487. The median price for this route was $573, based on observations over a 90-day period. Prices can vary, with 75% of deals historically found below $1003.

Historically, March has been the cheapest month to fly from Detroit to San Antonio, with a median price of $240. April also offered competitive prices, with a median of $482. The annual median price for this route was $573, based on data from the trailing 270 days. While May had a median price of $484, it was also identified as the most expensive month within the trailing 270-day period.

Related routes

More routes from Detroit

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Flights to San Antonio from other cities

Flights from El Paso to San Antonio Flights from Hong Kong to San Antonio Flights from Houston to San Antonio Flights from Indianapolis to San Antonio Flights from Istanbul to San Antonio Flights from Kansas City to San Antonio Flights from Las Vegas to San Antonio Flights from Los Angeles to San Antonio Flights from Miami to San Antonio Flights from New Orleans to San Antonio Flights from New York to San Antonio Flights from Sioux Falls to San Antonio

Detroit to San Antonio: Overview

Insights for flights from Detroit to San Antonio

The distance between Detroit and San Antonio is 1954 km, classifying this as a medium-haul route. This distance typically involves several hours of flight time, often with connections.

How much is a round trip from Detroit to San Antonio

Regular price: $248 - $383

Prices are currently below the regular range for flights from Detroit to San Antonio.

The regular price range for flights from Detroit to San Antonio is typically between $248 and $383. The current lowest deal is $185 with Frontier Airlines, for travel from Oct 27-Nov 3.

now $185

Low $248

High $383

The cheapest time to fly from Detroit to San Antonio

March

Cheapest

Flights from $240

June

Most Expensive

Flights from $856

Jan

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Detroit to San Antonio

Frontier Airlines

Breeze Airways

Last-minute flights going from Detroit to San Antonio

Tue, Sep 15

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$616

$397

One-way

Thu, Sep 17

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$591

$441

One-way

Fri, Sep 18

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$591

$455

One-way

Sat, Sep 19

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$591

$443

One-way

Mon, Sep 21

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$507

$387

One-way

Tue, Sep 22

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$405

$372

One-way

Biggest price drops on these dates for flights from Detroit to San Antonio

1 night

Sep 15 - Sep 16

$616 → $397

36%

1 night

Sep 17 - Sep 18

$591 → $441

25%

1 night

Sep 19 - Sep 20

$591 → $443

25%

1 night

Sep 18 - Sep 19

$591 → $455

23%

Popular Airports to fly from Detroit to San Antonio

Detroit - San Antonio route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Detroit to San Antonio are above the typical level at $813.

📅 Best time to fly

Fly in March for the lowest prices

Historically, March has the lowest median price at $240 for Detroit to San Antonio.

⏱️ Flight duration

Expect a flight duration of 11h 38m

The typical flight duration from Detroit to San Antonio is 11h 38m.

✈️ Airlines & availability

Connecting flights are dominant on this route

Only 10% of recent flights from Detroit to San Antonio are direct.

🏆 Airline highlight

Frontier Airlines offers direct flights

Frontier Airlines has 100 direct deals from Detroit to San Antonio.

🎯 Booking tip

Deals are frequent on this route

Deals from Detroit to San Antonio are frequent, appearing every 30 days.

Detroit main airports to depart from

Detroit Metropolitan (DTW)

Cheapest

Detroit Metropolitan is a convenient option for flights from Detroit to San Antonio.

📍 ~29 km from Detroit (reachable by car)

💸 Flights from ~$249

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International is ideal for direct access to San Antonio from Detroit.

📍 ~12 km from city center (reachable by car)

💸 Flights from ~$229

Airports nearby San Antonio used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International is a major international hub with an extensive flight network, offering many flight options.

San Antonio, United States

79% AI deal score

$1,396

$989

Save $407

United Airlines

Business Class

Frequently Asked Questions About Flights to San Antonio

Cheap Flights from Detroit to San Antonio

Today’s best flight deals from Detroit to San Antonio

Detroit to San Antonio: Overview

Insights for flights from Detroit to San Antonio

How much is a round trip from Detroit to San Antonio

The cheapest time to fly from Detroit to San Antonio

Direct flights from Detroit to San Antonio

Last-minute flights going from Detroit to San Antonio

Biggest price drops on these dates for flights from Detroit to San Antonio

Popular Airports to fly from Detroit to San Antonio

Detroit - San Antonio route insights

Recent fares are above the typical level

Fly in March for the lowest prices

Expect a flight duration of 11h 38m

Connecting flights are dominant on this route

Frontier Airlines offers direct flights

Deals are frequent on this route

Detroit main airports to depart from

San Antonio main airports to arrive at

Airports nearby San Antonio used as alternative

Business & First Class Flight Deals to San Antonio

Best Elite deals to San Antonio

Oct 31

Sep 30

Oct 21

Oct 27

Nov 10

Nov 11

Oct 20

Oct 28

Oct 31

Dec 02

Dec 15

Nov 19

Frequently Asked Questions About Flights to San Antonio

When should I buy Detroit to San Antonio tickets?

How do I know if a Detroit to San Antonio flight is a good deal?

What's the best month to fly from Detroit to San Antonio?

Are there direct flights from Detroit to San Antonio?

What's the flight time from Detroit to San Antonio?

How often do cheap flights from Detroit to San Antonio come up?

Related routes

More routes from Detroit

Flights to San Antonio from other cities

Detroit to San Antonio: Overview

Insights for flights from Detroit to San Antonio

How much is a round trip from Detroit to San Antonio

The cheapest time to fly from Detroit to San Antonio

Direct flights from Detroit to San Antonio

Last-minute flights going from Detroit to San Antonio

Biggest price drops on these dates for flights from Detroit to San Antonio

Popular Airports to fly from Detroit to San Antonio

Detroit - San Antonio route insights

Recent fares are above the typical level

Fly in March for the lowest prices

Expect a flight duration of 11h 38m

Connecting flights are dominant on this route

Frontier Airlines offers direct flights

Deals are frequent on this route

Detroit main airports to depart from

San Antonio main airports to arrive at

Airports nearby San Antonio used as alternative

Business & First Class Flight Deals to San Antonio

Best Elite deals to San Antonio

Oct 31

Sep 30

Oct 21

Oct 27

Nov 10

Nov 11

Oct 20

Oct 28

Oct 31

Dec 02

Dec 15

Nov 19

Frequently Asked Questions About Flights to San Antonio

When should I buy Detroit to San Antonio tickets?

How do I know if a Detroit to San Antonio flight is a good deal?

What's the best month to fly from Detroit to San Antonio?