Q: How much does it cost to fly round-trip from Detroit to San Antonio?

Airfare is below average for this route at the moment. Detroit to San Antonio flights typically cost between C$ 307 and C$ 729 in October. The cheapest round-trip price found within the last 3 days was C$ 259 on Frontier (15 Oct-22 Oct).

Question 1

What’s the cheapest layover airport for flights from Detroit to San Antonio?

Accepted Answer

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of C$ 173.

Question 2

What’s the top layover airport for flights from Detroit to San Antonio?

Accepted Answer

Nashville (BNA) – chosen by Cheapflights users on 29% of one-stop itineraries from Detroit to San Antonio on Cheapflights.

Question 3

How much does it cost to fly round-trip from Detroit to San Antonio?

Accepted Answer

Airfare is below average for this route at the moment.Detroit to San Antonio flights typically cost between C$ 307 and C$ 729 in October.
The cheapest round-trip price found within the last 3 days was C$ 259 on Frontier (15 Oct-22 Oct).

Question 4

Which airport typically offers the quickest layover for flights from Detroit to San Antonio?

Accepted Answer

Flights via Nashville (BNA) offer the fastest connection on this route, with an average layover time of 0h 50m.

Question 5

What’s the fastest layover option from Detroit to San Antonio?

Accepted Answer

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 5h 08m.

Question 6

What is the cheapest airline to fly from Detroit to San Antonio round-trip?

Accepted Answer

Flying on Delta is currently your cheapest option to San Antonio, with prices starting at C$ 398. Delta is priced at 22% lower than the current average price of a flight leaving 3 months from now.

Question 7

How far ahead should I book a flight from Detroit to San Antonio?

Accepted Answer

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 8

What is the cheapest month to book a flight from Detroit to San Antonio?

Accepted Answer

Currently, July is the cheapest month in which you can book a flight from Detroit to San Antonio (average of C$ 325). Flying from Detroit to San Antonio in May is currently the most expensive (average of C$ 443). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 9

What is the cheapest day to fly from Detroit to San Antonio?

Accepted Answer

Travelers seeking maximum savings on their Detroit to San Antonio flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 10

Weekly flight availability from Detroit to San Antonio

Accepted Answer

The most flights from DTT to SAT are scheduled on a Thursday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Question 11

E

Accepted Answer

In terms of precipitation, rainfall in San Antonio ranges from 41.0 - 95.0 mm per month. May is typically the wettest month, when rainfall can reach 95.0 mm. December is typically the driest time to visit San Antonio when rainfall is around 41.0 mm.

Question 12

E

Accepted Answer

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Question 13

What are the most reliable airlines from Detroit to San Antonio?

Accepted Answer

Consider Aeromexico (85%), WestJet (83%) or Spirit Airlines (81%) when booking your flight. These represent the most reliable airlines when flying from Detroit to San Antonio.

Question 14

What is the cheapest day to fly round-trip from Detroit to San Antonio?

Accepted Answer

Flights from Detroit to San Antonio are generally found to be more expensive on Saturday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Antonio.

Question 15

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

Accepted Answer

To save up to 89% on this flight, we recommend booking at least 25 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Detroit to San Antonio from C$ 287 1-2 weeks out and tickets from C$ 483 for flights departing within the next 72 hours.

Question 16

What is the cheapest month to fly from Detroit to San Antonio?

Accepted Answer

The best pricing can be found in the month of June. Prices to San Antonio from Detroit average C$ 515. You can even find prices in June for less than C$ 515, as users have found deals to San Antonio from as low as C$ 201. The month of March appears to be one of the more expensive times to travel to San Antonio from Detroit. Flying in the targeted month can save you up to 23%.

Question 17

What is the cheapest time of day to fly from DTT to SAT?

Accepted Answer

It’s typically best to fly out from Detroit to San Antonio at noon. Doing so could potentially save you 8% on the flight price compared to flying in the morning, which is usually more expensive.

Question 18

What airports do I use to fly from Detroit to San Antonio?

Accepted Answer

San Antonio is the airport most travellers will use when flying to San Antonio from Detroit All airports. Booking flights from All airports (DTT) to San Antonio (SAT) should be relatively easy as there are 11 daily flights to San Antonio from 1 airline. 3h 15m is how long a flight from Detroit to San Antonio will take if you book a nonstop flight.

Question 19

Can I find deals for flights from Detroit to San Antonio that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Detroit to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 20

How can I find direct flights from Detroit to San Antonio?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to San Antonio.

Question 21

Can I find deals for business class flights from Detroit to San Antonio?

Accepted Answer

Yes. Cheapflights offers flight deals from Detroit to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 22

How does Cheapflights help users find flights from Detroit to San Antonio?

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Detroit to San Antonio. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 23

Why should you use Cheapflights to find cheap flight tickets from Detroit to San Antonio?

Accepted Answer

Cheapflights helps you find that perfect flight to San Antonio from Detroit by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Question 24

Can Cheapflights find flights from Detroit to San Antonio with no change fees?

Accepted Answer

Certainly. Search results for flights to San Antonio from Detroit shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 25

Can Cheapflights notify me if prices for flights from Detroit to San Antonio become cheaper?

Accepted Answer

Yes! Start tracking prices for Detroit to San Antonio flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

Round-trip from	C$ 259
One-way from	C$ 205
Popular in	March
Cheapest in	June
Average price	C$ 550

Cheap flights from Detroit to San Antonio from C$ 205

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Detroit All airports to San Antonio are usually found in June or July, booked 65 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Detroit to San Antonio

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Detroit to San Antonio

Cheapest flights from Detroit to San AntonioExplore the most affordable flight options available from Detroit to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.

Explore the most affordable flight options available from Detroit to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Detroit to San Antonio that are best for you.

Best time to book a flight from Detroit to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Detroit with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Detroit to San Antonio

How far ahead should I book a flight from Detroit to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Detroit to San Antonio. Price data was last updated on 8 August 2025.

What is the cheapest month to book a flight from Detroit to San Antonio?

What is the cheapest time of day to fly from DTT to SAT?

Find hourly flight availability from Detroit to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 August 2025.

Weekly flight availability from Detroit to San Antonio

Explore weekly flight availability from Detroit to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 August 2025.

How much does it cost to fly round-trip from Detroit to San Antonio?

What’s the top layover airport for flights from Detroit to San Antonio?

Share of one-stop round-trip flights from Detroit to San Antonio chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Detroit to San Antonio?

Average round-trip fare for 1-stop flights from Detroit to San Antonio, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Detroit to San Antonio?

Shortest average travel time for 1-stop one-way flights from Detroit to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Detroit to San Antonio?

Average layover duration for 1-stop one-way flights from Detroit to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Detroit to San Antonio, such as Delta and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Detroit to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Detroit to San Antonio?

What is the cheapest airline to fly from Detroit to San Antonio round-trip?

What are the most reliable airlines from Detroit to San Antonio?

Can I find deals for flights from Detroit to San Antonio that include hotel bookings?

How can I find direct flights from Detroit to San Antonio?

Can I find deals for business class flights from Detroit to San Antonio?

What is the cheapest month to book a flight from Detroit to San Antonio?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Detroit to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Detroit to San Antonio

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Detroit to San Antonio?

Why should you use Cheapflights to find cheap flight tickets from Detroit to San Antonio?

Can Cheapflights find flights from Detroit to San Antonio with no change fees?

Can Cheapflights notify me if prices for flights from Detroit to San Antonio become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Detroit to San Antonio
Explore the most affordable flight options available from Detroit to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2025.