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Cheap flights from Detroit to San Antonio from C$ 104

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAT
17 jun. — 24 jun.1
1 adult

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

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 12 junio 2025.

Round-trip from

C$ 453

One-way from

C$ 104

Popular in

March

Cheapest in

October

Average price

C$ 505
American Airlines
  • American Airlines
  • 25/11-4/12
  • 2 total stops
  • 16h 57m total
  • Detroit to San Antonio
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Spirit Airlines
  • Spirit Airlines
  • 25/7
  • Nonstop
  • 3h 04m total
  • Detroit to San Antonio
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Highest demand for flights based on searches. 7% potential increase in price (C$ 58 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 12 junio 2025.

mar. 25/115:32 p.m.DTW - SAT
1 stop6h 58mAmerican Airlines
jue. 4/126:14 a.m.SAT - DTW
1 stop9h 59mAmerican Airlines
Deal found 10/6C$ 453
mié. 17/98:50 a.m.DTW - SAT
Nonstop3h 28mDelta
lun. 22/95:20 a.m.SAT - DTW
Nonstop3h 02mDelta
Deal found 10/6C$ 463
jue. 21/87:30 a.m.DTW - SAT
2 stops7h 20mSouthwest
lun. 25/85:50 a.m.SAT - DTW
1 stop4h 55mSouthwest
Deal found 10/6C$ 468
mié. 17/910:40 a.m.DTW - SAT
1 stop13h 08mUnited Airlines
dom. 21/95:30 a.m.SAT - DTW
2 stops9h 03mUnited Airlines
Deal found 10/6C$ 596
lun. 25/86:30 a.m.DTW - SAT
1 stop18h 29mAlaska Airlines
mié. 3/96:30 a.m.SAT - DTW
1 stop21h 35mAlaska Airlines
Deal found 11/6C$ 823

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 12 junio 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

mar. 25/11

5:32 p.m.-11:30 p.m.

1 stop6h 58m

San Antonio

jue. 4/12

6:14 a.m.-5:13 p.m.

1 stop9h 59m

C$ 453

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

mié. 17/9

8:50 a.m.-11:18 a.m.

Nonstop3h 28m

San Antonio

lun. 22/9

5:20 a.m.-9:22 a.m.

Nonstop3h 02m

C$ 463

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

jue. 21/8

7:30 a.m.-1:50 p.m.

2 stops7h 20m

San Antonio

lun. 25/8

5:50 a.m.-11:45 a.m.

1 stop4h 55m

C$ 468

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

mié. 17/9

10:40 a.m.-10:48 p.m.

1 stop13h 08m

San Antonio

dom. 21/9

5:30 a.m.-3:33 p.m.

2 stops9h 03m

C$ 596

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

lun. 25/8

6:30 a.m.-11:59 p.m.

1 stop18h 29m

San Antonio

mié. 3/9

6:30 a.m.-5:05 a.m.

1 stop21h 35m

C$ 823

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

sáb. 23/8

11:00 a.m.-10:58 p.m.

2 stops12h 58m

San Antonio

dom. 31/8

6:30 a.m.-5:05 a.m.

1 stop21h 35m

C$ 2,207

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

vie. 25/7

6:00 a.m.-8:04 a.m.

Nonstop3h 04m

C$ 104

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

mié. 20/8

6:15 a.m.-12:15 p.m.

2 stops7h 00m

C$ 238

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

jue. 28/8

6:00 a.m.-5:42 p.m.

2 stops12h 42m

C$ 319

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

sáb. 19/7

4:00 p.m.-6:09 p.m.

Nonstop3h 09m

C$ 340

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

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 9 June 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 12 junio 2025.

It’s typically best to fly out from Detroit to San Antonio in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

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 12 junio 2025.

The most flights from DTT to SAT are scheduled on a Thursday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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 12 junio 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
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 11 daily flights to San Antonio from 1 airline. 3h 23m 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 American Airlines is currently your cheapest option to San Antonio, with prices starting at C$ 453. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at C$ 463 and C$ 468, respectively. American Airlines is priced at 16% 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$ 104. Southwest flights start at C$ 238 while deals on United Airlines start at C$ 319 one-way.

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

    Consider Korean Air (80%), WestJet (78%) or Aeromexico (76%) when booking your flight. These represent the most reliable airlines when flying from Detroit to San Antonio.

  • 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 Hobby flights
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Detroit to Austin flights

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 12 junio 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 395AverageC$ 529FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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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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