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$62+ Cheap flights from Detroit to San Antonio (DTT - SAT)

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit All airports to San Antonio are usually found in January or October, booked 65 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Detroit to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(CheapOair)

One-way from

$62
(Cheapflightsfares)

Popular in

March

Cheapest in

January

Average price

$479

Good round-trip deal

$299 or less

Good one-way deal

$228 or less
Provider with most accurate pricing for Detroit (DTT)-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-San Antonio flights.
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From Detroit (DTT) to San Antonio
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One-way flight from Detroit (DTT) to San Antonio
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Detroit (DTT) to San Antonio.
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Price to beat on a one-way flight from Detroit (DTT) to San Antonio.
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Find flight deals from Detroit to San Antonio

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 March 28, 2025.

This CheapOair deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/289:09 pmDTW - SAT
1 stop15h 26mSpirit Airlines
Mon 6/22:37 pmSAT - DTW
Nonstop3h 05mSpirit Airlines
Deal found 3/27$258
This Mytrip deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:03 pmDTW - SAT
Nonstop3h 15mMultiple Airlines
Fri 8/81:39 pmSAT - DTW
1 stop17h 30mMultiple Airlines
Deal found 3/27$290
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/108:40 pmDTW - SAT
Nonstop3h 11mDelta
Sun 5/1111:30 amSAT - DTW
Nonstop3h 07mDelta
Deal found 3/27$339
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/315:31 amDTW - SAT
1 stop4h 42mAmerican Airlines
Sun 8/36:14 amSAT - DTW
1 stop8h 04mAmerican Airlines
Deal found 3/27$359
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/68:45 pmDTW - SAT
1 stop5h 00mSouthwest
Mon 6/94:30 pmSAT - DTW
2 stops7h 35mSouthwest
Deal found 3/27$364
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:32 amDTW - SAT
1 stop5h 40mUnited Airlines
Mon 5/57:15 pmSAT - DTW
1 stop17h 26mUnited Airlines
Deal found 3/27$437
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/257:00 amDTW - SAT
2 stops32h 33mAlaska Airlines
Mon 4/286:35 amSAT - DTW
2 stops26h 28mAlaska Airlines
Deal found 3/27$783

Cheapflights Fare Finder

Customize your flight search to find flights from Detroit to San Antonio 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Detroit to San Antonio that are best for you.

Fly from

Detroit

Fly to

San Antonio

Route

Depart

Return

Price

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 5/28

9:09 pm-11:35 am

1 stop15h 26m

San Antonio

Mon 6/2

2:37 pm-6:42 pm

Nonstop3h 05m

$258

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Mon 8/4

7:03 pm-9:18 pm

Nonstop3h 15m

San Antonio

Fri 8/8

1:39 pm-8:09 am

1 stop17h 30m

$290

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Sat 5/10

10:25 am-12:36 pm

Nonstop3h 11m

San Antonio

Mon 5/12

4:35 pm-8:45 pm

Nonstop3h 10m

$339

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Tue 7/1

6:00 am-10:44 am

1 stop5h 44m

San Antonio

Tue 7/8

6:31 am-4:47 pm

1 stop9h 16m

$353

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 6/6

8:45 pm-12:45 am

1 stop5h 00m

San Antonio

Mon 6/9

4:30 pm-1:05 am

2 stops7h 35m

$364

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 5/2

7:32 am-12:12 pm

1 stop5h 40m

San Antonio

Mon 5/5

7:15 pm-1:41 pm

1 stop17h 26m

$437

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 4/25

7:00 am-2:33 pm

2 stops32h 33m

San Antonio

Mon 4/28

6:35 am-10:03 am

2 stops26h 28m

$783

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Tue 4/22

1:56 pm-8:01 pm

1 stop7h 05m

$62

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 4/4

8:20 pm-11:21 am

1 stop16h 01m

$150

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Tue 4/22

2:10 pm-9:41 pm

2 stops8h 31m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 13 results
1
2

Compare providers for flights from Detroit to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to San Antonio in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 March 21, 2025.

To ensure you get the cheapest price possible for a flight from Detroit to San Antonio, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Detroit to San Antonio (average of $295). Flying from Detroit to San Antonio in March is currently the most expensive (average of $376). 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.

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 March 28, 2025.

One of the essential ways to save on airfare from Detroit to San Antonio is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 13% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Detroit to San Antonio. Price data was last updated on March 23, 2025.

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

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated March 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Detroit to San Antonio to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,274 reviews

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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?

    To fly from Detroit to San Antonio, you need to book a flight from All airports (DTT) to San Antonio (SAT). Nonstop flights to San Antonio from Detroit All airports take 3h 05m on average. When it comes time to book airfare, you have a few options: there are 4 outbound flights from All airports to San Antonio offered by 6 different airlines.

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

    According to our current data, Spirit Airlines ($258), Delta ($339), and American Airlines ($353) offers the cheapest pricing from Detroit to San Antonio. Spirit Airlines is 39% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $62. Frontier flights start at $150 while deals on United Airlines start at $225 one-way.

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

    Consider Aeromexico (83%), Air France (82%) or Delta (82%) when booking your flight. These represent the most reliable airlines when flying from Detroit to San Antonio.

  • What are the cheapest flights from Detroit to San Antonio?

    On average you can expect to pay $334 for a flight from Detroit to San Antonio. The cheapest flight overall is $198 while the most popular route, (Detroit Metropolitan Wayne County - San Antonio) is currently priced at $130.

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

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

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

    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.

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

    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.

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

    Currently, August is the cheapest month in which you can book a flight from Detroit to San Antonio (average of $295). Flying from Detroit to San Antonio in March is currently the most expensive (average of $376). 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.

See more FAQs

Traveling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
New Braunfels

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Alternative routes for Detroit to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Detroit to San Antonio

Discover the top 6 airlines that operate flights from Detroit to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$112Average$180FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$138Average$253FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$284Average$358FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$468FlexibilityNo cancel feeOn-time69%
DeltaCheapest$293Average$450FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$308Average$499FlexibilityNo cancel feeOn-time63%
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