Cheap flights from Detroit to San Antonio from $73
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to San Antonio departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from Detroit to San Antonio
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Delta flights from Detroit to San Antonio
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How to get the cheapest flight ticket from Detroit to San Antonio
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Detroit and San Antonio?
What is the cheapest month to fly to San Antonio?
If you aren’t able to travel during the month of June, then book flights to San Antonio from Detroit during October instead. Flights to San Antonio in October, while not as cheap as those in June, still average around $339.
What is the cheapest day to depart on your flight to San Antonio?
The cheapest day to depart on your flight to San Antonio is on a Thursday when prices can be found for as low as $412. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $554.
What is the cheapest time of day to depart on your flight to San Antonio?
According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Detroit to San Antonio in the evening for as low as $418. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $477. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Detroit to San Antonio flight route?
Fly from Detroit Metropolitan Wayne County to San Antonio for the best Detroit - San Antonio flight prices
How far in advance should I book a flight to San Antonio?
You are more likely to see cheaper flights to San Antonio from Detroit when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $406 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Detroit for as low as $345 on momondo.
What cabin class options are available on Detroit to San Antonio flights?
There are 4 cabin classes available to choose from on Detroit to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Detroit to San Antonio?
Spirit Airlines, American Airlines, and United Airlines are the most popular carriers operating from Detroit to San Antonio
What airlines fly to San Antonio?
Delta, Spirit Airlines and American Airlines are the top three most popular airlines that fly to San Antonio from Detroit according to our data. Delta is the first choice among our users, with 73% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 6 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.
How many flights depart from Detroit to San Antonio on average per day?
As of June 2025, there are 12 flights per day flying from Detroit to San Antonio. The most common time of day flights depart is 8:00PM, with 48% of flights taking off in the evening.
How many flights depart from Detroit to San Antonio on average per week?
89 flights are operational weekly from Detroit to San Antonio as of June 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.
When to book flights from Detroit to San Antonio
Cheap Detroit to San Antonio (DTT to SAT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Detroit to San Antonio
How far is Detroit to San Antonio by plane?
San Antonio is 1237.6 mi away from Detroit. A reasonable flight in good conditions will take 2h 59m.
When did momondo last update prices for flights from Detroit to San Antonio Airport?
Prices for flights from Detroit to San Antonio Airport refresh daily.
How many operators does momondo search for flights from Detroit to San Antonio Airport?
As of June 2025, there are 6 operators available to choose from for flights from Detroit to San Antonio Airport.
How old do you have to be to fly from Detroit to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Detroit to San Antonio?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Detroit to San Antonio is Airbus A319 (63.20% of total bookings). The next most popular plane models are Airbus A320neo (21.35%), Airbus A320-100/200 (11.24%), and Airbus A318/A319/A320/A321 (0.84%).
What is the most popular airline from Detroit to San Antonio?
Based on momondo bookings for flights between Detroit and San Antonio, the leading airline is Delta, making up 64% of the total bookings. Other popular airlines include Spirit Airlines with 14%, American Airlines with 12%, and Frontier with 5%.
Best airlines flying from Detroit to San Antonio
Compare and see reviews for airlines that fly from Detroit to San Antonio with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $88 | Free Cancellation | Rating 6.3 8,061 reviews | |||
| PriceFrom $112 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $282 | Free Cancellation | Rating 8.0 4,278 reviews | |||
| PriceFrom $284 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $288 | Free Cancellation | Rating 7.4 8,801 reviews | |||
| PriceFrom $293 | Free Cancellation | Rating 8.0 7,963 reviews |
Delta Flights From Detroit to San Antonio
The lowest priced Delta flight from Detroit to San Antonio from the last 72 hours was $293. Generally, Delta has 14 flights on this route every week with an average price of $439. Delta is rated 8.0/10 by our users.
Spirit Airlines Flights From Detroit to San Antonio
Across 8,061 Spirit Airlines reviews on momondo, the average score is 6.3/10. Spirit Airlines flies from Detroit to San Antonio about 2 times each week, with ticket deals ranging from $88 to $241. Price data is based on momondo searches in the last 72 hours.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Detroit to San Antonio?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Detroit to San Antonio. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Detroit to San Antonio with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Antonio from Detroit which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Detroit to San Antonio?
Once all potential Detroit to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Detroit to San Antonio right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Antonio from Detroit. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.