Question 1

What are the cheapest airlines flying from Detroit to San Antonio round-trip?

Accepted Answer

Flying on Spirit Airlines is currently your cheapest option to San Antonio, with prices starting at C$ 267. Additional round-trip tickets that might be worth considering are offered by American Airlines and Frontier, with the lowest prices starting at C$ 363 and C$ 414, respectively. Spirit Airlines is priced at 49% lower than the current average price of a flight leaving 3 months from now.

Question 2

What are the cheapest airlines to fly from Detroit to San Antonio one-way?

Accepted Answer

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at C$ 142. Southwest flights start at C$ 224 while deals on Delta start at C$ 272 one-way.

Question 3

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 4

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 5

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 6

Weekly flight availability from Detroit to San Antonio

Accepted Answer

The most flights from DTT to SAT are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

Question 7

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 8

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 9

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

Accepted Answer

Consider Korean Air (85%), Delta (82%) or WestJet (81%) when booking your flight. These represent the most reliable airlines when flying from Detroit to San Antonio.

Question 10

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 11

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

Accepted Answer

To save up to 118% 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$ 285 1-2 weeks out and tickets from C$ 479 for flights departing within the next 72 hours.

Question 12

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$ 529. You can even find prices in June for less than C$ 529, 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 19%.

Question 13

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 in the afternoon. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.

Question 14

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 9 daily flights to San Antonio from 1 airline. 3h 07m is how long a flight from Detroit to San Antonio will take if you book a nonstop flight.

Question 15

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 16

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 17

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 18

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 19

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 20

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 21

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$ 267
One-way from	C$ 142
Popular in	March
Cheapest in	June
Average price	C$ 376

Cheap flights from Detroit to San Antonio from C$ 142

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 26/7. 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 October, booked 65 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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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 30 June 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 30 June 2025.

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Best time to book a flight from Detroit to San Antonio

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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 27 June 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 30 June 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 30 June 2025.

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

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Detroit to San Antonio, such as Southwest,Delta, andUnited 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 are the cheapest airlines flying from Detroit to San Antonio round-trip?

What are the cheapest airlines to fly from Detroit to San Antonio one-way?

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?

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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?

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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 30 June 2025.