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Cheap flights from Detroit to San Antonio from C$ 140

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAT
27 Apr — 4 May1
1 adult

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 Tuesday or Wednesday and return on a Wednesday

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 22 April 2025.

Round-trip from

C$ 275

One-way from

C$ 140

Popular in

March

Cheapest in

January

Average price

C$ 565

Good round-trip deal

C$ 352 or less
Spirit Airlines
  • Spirit Airlines
  • 9/5-12/5
  • 2 total stops
  • 33h 31m total
  • Detroit to San Antonio
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Spirit Airlines
  • Spirit Airlines
  • 6/6
  • Nonstop
  • 3h 13m total
  • Detroit to San Antonio
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip 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 22 April 2025.

Fri 9/59:09 p.m.DTW - SAT
1 stop16h 23mSpirit Airlines
Mon 12/51:27 p.m.SAT - DTW
1 stop17h 08mSpirit Airlines
Deal found 21/4C$ 275
Wed 21/56:45 a.m.DTW - SAT
2 stops9h 45mSouthwest
Wed 28/53:40 p.m.SAT - DTW
1 stop4h 30mSouthwest
Deal found 21/4C$ 511
Thu 22/58:25 a.m.DTW - SAT
Nonstop3h 10mDelta
Mon 26/55:20 a.m.SAT - DTW
Nonstop3h 04mDelta
Deal found 22/4C$ 524
Wed 15/1010:40 a.m.DTW - SAT
1 stop5h 46mUnited Airlines
Sun 19/105:30 a.m.SAT - DTW
2 stops6h 44mUnited Airlines
Deal found 21/4C$ 558
Mon 2/64:53 p.m.DTW - SAT
2 stops28h 41mAlaska Airlines
Thu 12/67:37 p.m.SAT - DTW
1 stop32h 26mAlaska Airlines
Deal found 21/4C$ 1,103

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 629,999 searches. Data last updated 22 April 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

Fri 9/5

9:09 p.m.-12:32 p.m.

1 stop16h 23m

San Antonio

Mon 12/5

1:27 p.m.-7:35 a.m.

1 stop17h 08m

C$ 275

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 21/5

6:45 a.m.-3:30 p.m.

2 stops9h 45m

San Antonio

Wed 28/5

3:40 p.m.-9:10 p.m.

1 stop4h 30m

C$ 511

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 22/5

8:25 a.m.-10:35 a.m.

Nonstop3h 10m

San Antonio

Mon 26/5

5:20 a.m.-9:24 a.m.

Nonstop3h 04m

C$ 524

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 15/10

10:40 a.m.-3:26 p.m.

1 stop5h 46m

San Antonio

Sun 19/10

5:30 a.m.-1:14 p.m.

2 stops6h 44m

C$ 558

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Tue 16/9

7:10 a.m.-12:07 a.m.

1 stop17h 57m

San Antonio

Tue 23/9

7:00 a.m.-5:09 a.m.

1 stop21h 09m

C$ 1,012

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 6/6

7:37 p.m.-9:50 p.m.

Nonstop3h 13m

C$ 140

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 21/5

6:45 a.m.-3:30 p.m.

2 stops9h 45m

C$ 263

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 21/5

8:05 p.m.-10:15 p.m.

Nonstop3h 10m

C$ 344

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Tue 20/5

7:44 p.m.-8:31 a.m.

2 stops13h 47m

C$ 357

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/4

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 18 April 2025.

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.

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

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.

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 22 April 2025.

It’s typically best to fly out from Detroit to San Antonio in the afternoon. Doing so could potentially save you 18% on the flight price compared to flying at noon, which is usually more expensive.

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 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.

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 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).

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 22 April 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Detroit to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,911 reviews
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,683 reviews
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Spirit Airlines
6.3
Okay
7,940 reviews
Alaska Airlines
8.0
Very good
9,911 reviews
Check prices

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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?

    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 10 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.

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

    Flying on Spirit Airlines is currently your cheapest option to San Antonio, with prices starting at C$ 275. Additional round-trip tickets that might be worth considering are offered by Southwest and Delta, with the lowest prices starting at C$ 511 and C$ 524, respectively. Spirit Airlines is priced at 52% lower than the current average price of a flight leaving 3 months from now.

  • 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 C$ 140. Southwest flights start at C$ 263 while deals on Delta start at C$ 344 one-way.

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

    Consider WestJet (87%), Aeromexico (83%) or KLM (83%) 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 C$ 469 for a flight from Detroit to San Antonio. The cheapest flight overall is C$ 351 while the most popular route, (Detroit Metropolitan Wayne County - San Antonio) is currently priced at C$ 364.

  • 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, 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.

See more FAQs

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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.
Detroit to Dallas/Fort Worth flights
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Top airline flying from Detroit to San Antonio

Discover the top airline 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 629,999 searches. Data last updated 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 399AverageC$ 535FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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

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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.

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