Cheap flights from Detroit Metropolitan Wayne County Airport to San Antonio from $91

If you aren’t able to travel during the month of January, then book flights to San Antonio from Detroit Metropolitan Wayne County Airport during May instead. Flights to San Antonio in May, while not as cheap as those in January, still average around $429.

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $424. 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 $545.

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 Metropolitan Wayne County Airport to San Antonio in the evening for as low as $475. 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 $479. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Detroit Metropolitan Wayne County to San Antonio for the best Detroit Metropolitan Wayne County - San Antonio flight prices

You are more likely to see cheaper flights to San Antonio from Detroit Metropolitan Wayne County Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $464 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Detroit Metropolitan Wayne County Airport for as low as $376 on momondo.

There are 4 cabin classes available to choose from on Detroit Metropolitan Wayne County Airport to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier, United Airlines, and Southwest are the most popular carriers operating from Detroit Metropolitan Wayne County to San Antonio

Delta, Frontier and Southwest are the top three most popular airlines that fly to San Antonio from Detroit Metropolitan Wayne County Airport according to our data. Delta is the first choice among our users, with 78% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 4 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

The number of flights available between Detroit Metropolitan Wayne County Airport and San Antonio is 4 per day as of October 2026. The most frequent departure time is 8:00PM, with 54% of daily flights leaving in the evening.

The number of flights available between Detroit Metropolitan Wayne County Airport and San Antonio is 29 per week as of October 2026. The most frequent departure day is Wed, with 38% of weekly flights leaving on this day.