Are there direct flights from Detroit to San Antonio?

Direct flights from Detroit to San Antonio are less common. Historically, only 0.1% of flights on this route have been direct. For journeys involving connections, travelers typically experience a median of 2 stopovers. This suggests that most travelers on this route will likely have at least one stop during their trip.

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

A direct flight from Detroit to San Antonio typically takes 3 hours and 11 minutes. This covers an approximate distance of 1954 kilometers. For flights with one stop, the median duration increases significantly to 8 hours and 11 minutes. Travelers should account for this difference when planning their journey.

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

Historically, cheap flights from Detroit to San Antonio come up frequently. This route is classified as offering frequent deals across the trailing 30 days. Travelers can often find favorable prices for this particular journey. This consistent availability makes it easier to plan a trip without extensive waiting for price drops.

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 4 days ago

456 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Aug 31, 2026.)

Today’s best flight deals from Detroit to San Antonio

Explore current cheapest deals departing from Detroit to San Antonio

2026-10-20 – 2026-10-26
DTT - San Antonio
74% AI deal score
$314
$224
Round trip
2026-10-21 – 2026-11-06
DTT - San Antonio
68% AI deal score
$278
$229
Round trip
2026-10-31 – 2026-11-06
DTT - San Antonio
75% AI deal score
$322
$230
Round trip
2026-10-24 – 2026-11-06
DTT - San Antonio
69% AI deal score
$286
$230
Round trip
2026-11-04 – 2026-11-06
DTT - San Antonio
69% AI deal score
$280
$230
Round trip
2026-10-27 – 2026-11-06
DTT - San Antonio
70% AI deal score
$296
$230
Round trip
2026-10-21 – 2026-10-23
DTT - San Antonio
76% AI deal score
$335
$232
Round trip
2026-11-04 – 2026-12-01
DTT - San Antonio
47% AI deal score
$235
$234
Round trip
2026-11-18 – 2026-12-01
DTT - San Antonio
49% AI deal score
$246
$234
Round trip
2026-09-30 – 2026-10-23
DTT - San Antonio
68% AI deal score
$282
$234
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 for flights from Detroit to San Antonio are currently below the regular range.

The regular price range for this route is $248 to $383. The current lowest deal is $226 with Frontier Airlines, for travel from Oct 20 to Oct 26.

now $226

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 1

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$615

$466

One-way

Wed, Sep 2

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$478

$347

One-way

Thu, Sep 3

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$522

$337

One-way

Thu, Sep 3

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$583

$350

One-way

Fri, Sep 4

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$583

$367

One-way

Tue, Sep 8

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$387

$353

One-way

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

2 nights

Sep 2 - Sep 4

$615 → $362

41%

3 nights

Sep 3 - Sep 6

$583 → $352

40%

3 nights

Sep 4 - Sep 7

$583 → $369

37%

6 nights

Oct 20 - Oct 26

$315 → $226

28%

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 from Detroit to San Antonio are above the typical level.

📅 Best time to fly

Fly in March for the lowest prices

Historically, March offers the lowest median prices at $240 for this route.

⏱️ Flight duration

Expect a median flight time of 11h 38m

The median flight duration for this route is 11 hours and 38 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Only 10% of recent flights are direct, with connecting flights typically having 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers direct deals

Frontier Airlines has 100 direct deals available for this route.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from Detroit to San Antonio are frequent, appearing within 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 02

San Antonio, United States

82% AI deal score

$1,722

$999

Save $723

United Airlines

Business Class

From DTW

Elite

Nov 05

San Antonio, United States

82% AI deal score

$1,831

$999

Save $832

United Airlines

Business Class

From DTW

Elite

Nov 14

San Antonio, United States

82% AI deal score

$1,762

$999

Save $763

United Airlines

Business Class

From DTW

Elite

Jan 30

San Antonio, United States

80% AI deal score

$1,586

$999

Save $587

United Airlines

Business Class

From DTW

Elite

Oct 28

San Antonio, United States

79% AI deal score

$1,389

$996

Save $393

United Airlines

Business Class

From DTW

Elite

Nov 25

San Antonio, United States

79% AI deal score

$1,417

$996

Save $421

United Airlines

Business Class

From DTW

Elite

Sep 30

San Antonio, United States

79% AI deal score

$1,412

$999

Save $413

United Airlines

Business Class

From DTW

Elite

Sep 29

San Antonio, United States

79% AI deal score

$1,412

$999

Save $413

United Airlines

Business Class

From DTW

Elite

Nov 16

San Antonio, United States

79% AI deal score

$1,418

$999

Save $419

United Airlines

Business Class

From DTW

Elite

Oct 31

San Antonio, United States

79% AI deal score

$1,395

$999

Save $396

United Airlines

Business Class

From DTW

Elite

Oct 27

San Antonio, United States

79% AI deal score

$1,389

$999

Save $390

United Airlines

Business Class

From DTW

Elite

Nov 20

San Antonio, United States

79% AI deal score

$1,420

$999

Save $421

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. In contrast, booking 7-13 days out saw average prices rise to $1099. Even earlier bookings, such as 60+ days in advance, averaged around $595, indicating that waiting until closer to the departure date, within that specific window, tends to yield better value.

Across the trailing quarter, a flight from Detroit to San Antonio is considered a good deal if it is priced at or below $487. The median price for this route during the same period was $573. Prices can go higher, with 75% of observations being $1003 or less. Therefore, aiming for a price under $487 will typically secure a favorable fare.

Historically, March has been the cheapest month to fly from Detroit to San Antonio, with a median price of $240. April also offered relatively lower prices, with a median of $482. The annual median price for this route is $573, making March a particularly good value. May, with a median price of $484, was observed as the most expensive month among the trailing 270 days.

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

The regular price range for this route is $248 to $383. The current lowest deal is $226 with Frontier Airlines, for travel from Oct 20 to Oct 26.

now $226

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 1

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$615

$466

One-way

Wed, Sep 2

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$478

$347

One-way

Thu, Sep 3

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$522

$337

One-way

Thu, Sep 3

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$583

$350

One-way

Fri, Sep 4

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$583

$367

One-way

Tue, Sep 8

⌛ Last-Minute

DTW - San Antonio

Detroit (DTW) - San Antonio (SAT)

Frontier Airlines

$387

$353

One-way

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

2 nights

Sep 2 - Sep 4

$615 → $362

41%

3 nights

Sep 3 - Sep 6

$583 → $352

40%

3 nights

Sep 4 - Sep 7

$583 → $369

37%

6 nights

Oct 20 - Oct 26

$315 → $226

28%

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 from Detroit to San Antonio are above the typical level.

📅 Best time to fly

Fly in March for the lowest prices

Historically, March offers the lowest median prices at $240 for this route.

⏱️ Flight duration

Expect a median flight time of 11h 38m

The median flight duration for this route is 11 hours and 38 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Only 10% of recent flights are direct, with connecting flights typically having 2 stopovers.

🏆 Airline highlight

Frontier Airlines offers direct deals

Frontier Airlines has 100 direct deals available for this route.

🎯 Booking tip

Deals are frequent for this route

Deals for flights from Detroit to San Antonio are frequent, appearing within 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

$1,420

$999

Save $421

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 median flight time of 11h 38m

Connecting flights are dominant

Frontier Airlines offers direct deals

Deals are frequent for 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 02

Nov 05

Nov 14

Jan 30

Oct 28

Nov 25

Sep 30

Sep 29

Nov 16

Oct 31

Oct 27

Nov 20

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 median flight time of 11h 38m

Connecting flights are dominant

Frontier Airlines offers direct deals

Deals are frequent for 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 02

Nov 05

Nov 14

Jan 30

Oct 28

Nov 25

Sep 30

Sep 29

Nov 16

Oct 31

Oct 27

Nov 20

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?