£316 Cheap Flights from Detroit (DTW) to San Antonio (SAT)

View £316 flight on Wed, 27 May 2026Opens in a new window

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Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to San Antonio International Airport (SAT)

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Cheap Flights from Detroit (DTW) to San Antonio (SAT)

Prices were available within the past 7 days and start at £316 for one-way flights and £690 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 20 May - Wed, 27 May
DTW
Detroit
SAT
San Antonio
£690 Return, found 6 days ago
£690
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Detroit to San Antonio, returning Wed, 27 May, priced at £690 found 6 days ago
Alaska Airlines
Sun, 17 May - Sun, 24 May
DTW
Detroit
SAT
San Antonio
£728 Return, found 6 days ago
£728
Return
found 6 days ago
Select Alaska Airlines flight, departing Sun, 17 May from Detroit to San Antonio, returning Sun, 24 May, priced at £728 found 6 days ago
Alaska Airlines
Sun, 17 May - Sun, 24 May
DTW
Detroit
SAT
San Antonio
£731 Return, found 6 days ago
£731
Return
found 6 days ago
Select Alaska Airlines flight, departing Sun, 17 May from Detroit to San Antonio, returning Sun, 24 May, priced at £731 found 6 days ago
Alaska Airlines
Mon, 18 May - Mon, 25 May
DTW
Detroit
SAT
San Antonio
£742 Return, found 6 days ago
£742
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 18 May from Detroit to San Antonio, returning Mon, 25 May, priced at £742 found 6 days ago
Alaska Airlines
Fri, 15 May - Fri, 22 May
DTW
Detroit
SAT
San Antonio
£790 Return, found 6 days ago
£790
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 15 May from Detroit to San Antonio, returning Fri, 22 May, priced at £790 found 6 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
DTW
Detroit
SAT
San Antonio
£838 Return, found 6 days ago
£838
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Detroit to San Antonio, returning Wed, 27 May, priced at £838 found 6 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
DTW
Detroit
SAT
San Antonio
£846 Return, found 6 days ago
£846
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Detroit to San Antonio, returning Wed, 27 May, priced at £846 found 6 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
DTW
Detroit
SAT
San Antonio
£846 Return, found 6 days ago
£846
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Detroit to San Antonio, returning Wed, 27 May, priced at £846 found 6 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
DTW
Detroit
SAT
San Antonio
£853 Return, found 6 days ago
£853
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Detroit to San Antonio, returning Wed, 27 May, priced at £853 found 6 days ago
Alaska Airlines
Thu, 14 May - Thu, 21 May
DTW
Detroit
SAT
San Antonio
£872 Return, found 6 days ago
£872
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 14 May from Detroit to San Antonio, returning Thu, 21 May, priced at £872 found 6 days ago

Frequently asked questions

How much does a flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.) cost?
One-way flights typically cost between £432 and £1,459 and return flights often range between £623 and £1,723. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
September is typically the cheapest month to fly from Detroit Metropolitan Wayne County (DTW) to San Antonio Intl. (SAT), with average return fares of approximately £540. This is about 10% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Detroit Metropolitan Wayne County (DTW) to San Antonio Intl. (SAT) include April and August.
Which airlines fly direct from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
Enter DTW to SAT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
To find a cheap flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
The best airline to fly with from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.) will differ from traveller to traveller. If you like to fly early, DL offers early morning flights. If price is the most important factor, DL typically offers the lowest fares. AA offers the most daily flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
The best time to fly from Detroit Metropolitan Wayne County (DTW) to San Antonio International (SAT) is typically August. This month offers a good balance, as it's one of the cheapest months to fly, with average return flights around £540, and it's also a popular time to travel, meaning you'll have plenty of flight options. If you're looking for the absolute cheapest fares, September is also a great option, though it might have slightly fewer flight choices.
How many flights per day from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
When flying from Detroit Metropolitan Wayne County (DTW) to San Antonio Intl. (SAT), you'll find approximately 3 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 95 connecting flights daily. Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
The earliest flight from Detroit Metropolitan Wayne County (DTW) to San Antonio Intl. (SAT) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in February. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
You'll typically find the most flights from Detroit Metropolitan Wayne County (DTW) to San Antonio Intl. (SAT) on a Friday, with around 58 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, American Airlines, and United Airlines. Flight schedules are consistent throughout the week, with Fridays offering only slightly more options.
What are the most popular departure times for flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
The most popular departure times for flights from Detroit Metropolitan Wayne County (DTW) to San Antonio Intl. (SAT) are in the early morning, from 6am to 9am. About 33% of passengers prefer this time window. Many major carriers, including American Airlines, Delta Air Lines and United Airlines, offer flights during this window. These times work well because you can get an early start to your travel day and arrive in San Antonio with plenty of time.
How long does it take to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
A nonstop flight from DTW to SAT typically takes around 3 hours 20 minutes, covering approximately 1,215 miles. Connecting flights on this route usually add 2 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
Select the "Business class" and "First class" filters when looking for DTW to SAT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.) flight with Expedia?
It's easy to earn miles on a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Antonio from Detroit Metropolitan Wayne County (DTW)?
If you're planning to travel to San Antonio from Detroit Metropolitan Wayne County (DTW), you can fly directly into San Antonio Intl. (SAT) Some flights may connect through major hubs like O'Hare Intl. (ORD), Nashville Intl. (BNA), LaGuardia (LGA) before reaching San Antonio. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.) at the last minute?
Typically, booking a last minute flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.) flight and hotel package?
Securing a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.)?
If you booked your Detroit, MI (DTW-Detroit Metropolitan Wayne County) to San Antonio, TX (SAT-San Antonio Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Detroit Metropolitan Wayne County
Destination airport
San Antonio Intl.
Return price
£690
Distance
1944 km
Average flight time
2 hours 18 mins

Book with confidence

Compare flights from Detroit to San Antonio easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Detroit to San Antonio. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Antonio Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Detroit Metropolitan Wayne County to San Antonio Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Detroit Metropolitan Wayne County (DTW) to San Antonio Intl. (SAT)

The easiest way to view the best deals on flights from Detroit to San Antonio today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Detroit Metropolitan Wayne County to San Antonio Intl. start at just £690 and range up to £872.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Detroit and San Antonio
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Detroit to San Antonio flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Detroit Metropolitan Wayne County to San Antonio Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Detroit to San Antonio easily and book with confidence

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