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Cheap flights from Detroit to San Antonio from C$ 131

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SAT
6 Apr — 13 Apr1
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 1 April 2025.

Round-trip from

C$ 419

One-way from

C$ 131

Popular in

March

Cheapest in

January

Average price

C$ 646

Good round-trip deal

C$ 370 or less
Spirit Airlines
  • Spirit Airlines
  • 6/6-8/6
  • 1 total stop
  • 12h 36m total
  • Detroit to San Antonio
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Spirit Airlines
  • Spirit Airlines
  • 1/5
  • 1 total stop
  • 25h 19m total
  • Detroit to San Antonio
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Highest demand for flights based on searches. 5% potential increase in price (C$ 47 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 10 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 1 April 2025.

Fri 6/67:37 p.m.DTW - SAT
Nonstop3h 13mSpirit Airlines
Sun 8/67:00 a.m.SAT - DTW
1 stop9h 23mSpirit Airlines
Deal found 31/3C$ 419
Thu 8/58:05 p.m.DTW - SAT
Nonstop3h 10mDelta
Mon 12/511:30 a.m.SAT - DTW
Nonstop3h 07mDelta
Deal found 30/3C$ 515
Fri 15/85:40 a.m.DTW - SAT
1 stop6h 15mSouthwest
Tue 19/812:05 p.m.SAT - DTW
2 stops6h 55mSouthwest
Deal found 1/4C$ 522
Thu 25/99:26 a.m.DTW - SAT
2 stops7h 07mUnited Airlines
Sun 28/95:45 a.m.SAT - DTW
2 stops6h 31mUnited Airlines
Deal found 31/3C$ 553
Fri 6/64:53 p.m.DTW - SAT
2 stops30h 05mAlaska Airlines
Mon 9/67:28 p.m.SAT - DTW
2 stops33h 17mAlaska Airlines
Deal found 31/3C$ 1,066

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 1 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 6/6

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

Nonstop3h 13m

San Antonio

Sun 8/6

7:00 a.m.-5:23 p.m.

1 stop9h 23m

C$ 419

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 8/5

12:55 p.m.-3:05 p.m.

Nonstop3h 10m

San Antonio

Sun 11/5

4:35 p.m.-8:45 p.m.

Nonstop3h 10m

C$ 515

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 15/8

5:40 a.m.-10:55 a.m.

1 stop6h 15m

San Antonio

Tue 19/8

12:05 p.m.-8:00 p.m.

2 stops6h 55m

C$ 522

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 25/9

9:26 a.m.-3:33 p.m.

2 stops7h 07m

San Antonio

Sun 28/9

5:45 a.m.-1:16 p.m.

2 stops6h 31m

C$ 553

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Fri 6/6

4:53 p.m.-9:58 p.m.

2 stops30h 05m

San Antonio

Mon 9/6

7:28 p.m.-5:45 a.m.

2 stops33h 17m

C$ 1,066

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Thu 1/5

7:42 p.m.-8:01 p.m.

1 stop25h 19m

C$ 131

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Sun 13/7

6:05 a.m.-10:10 a.m.

1 stop5h 05m

C$ 258

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Wed 28/5

7:05 a.m.-10:18 p.m.

2 stops16h 13m

C$ 293

DetroitSan Antonio

DTW - SAT

DTWSAT

Detroit Metropolitan Wayne County

Tue 29/4

8:30 a.m.-3:33 p.m.

1 stop8h 03m

C$ 316

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/3

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 28 March 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 1 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 1 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
9,823 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,823 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,823 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,823 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Spirit Airlines
6.3
Okay
7,884 reviews
Alaska Airlines
8.0
Very good
9,823 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 4 daily flights to San Antonio from 1 airline. 3h 14m 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$ 419. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at C$ 515 and C$ 522, respectively. Spirit Airlines is priced at 31% 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$ 131. Southwest flights start at C$ 258 while deals on Delta start at C$ 293 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 C$ 487 for a flight from Detroit to San Antonio. The cheapest flight overall is C$ 364 while the most popular route, (Detroit Metropolitan Wayne County - San Antonio) is currently priced at C$ 484.

  • 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
Detroit to Austin flights
Detroit to George Bush Intcntl flights
Detroit to Hobby 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 1 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 415AverageC$ 569FlexibilityNo 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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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.

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