Cheap flights from San Antonio to Michigan from $111

If you aren’t able to travel to Michigan during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $373.

The cheapest day to depart from San Antonio to Michigan is on a Saturday when prices can be found for as low as $439. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $639. These prices are subject to change though, so be sure to set up a Price Alert for flights to Michigan.

The cheapest time of day to fly to Michigan is in the morning when flights can be purchased for as low as $472. In the afternoon is when there is more demand to fly to Michigan, so prices are often more expensive at around $634 per ticket.

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

You are more likely to see cheaper flights to Michigan from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Michigan for around $437 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Michigan from San Antonio for as low as $277 on momondo.

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

Frontier, Southwest, and United Airlines are the most popular carriers operating from San Antonio to Michigan

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Michigan from San Antonio according to our data. Delta is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Michigan. Keep in mind that there are 6 different airlines that fly to Michigan on a routine basis, so you have a few additional options to choose from.

34 flights are operational daily from San Antonio to Michigan as of August 2026. The most popular departure time for this route is 4:00PM, with 39% of flights per day taking off in the afternoon.

The number of flights available between San Antonio and Michigan is 241 per week as of August 2026. The most frequent departure day is Thu, with 19% of weekly flights leaving on this day.