Cheap flights from St. Louis to Michigan from $85

If you aren’t able to travel to Michigan during the month of December, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $345.

The cheapest day to depart from St. Louis to Michigan is on a Saturday when prices can be found for as low as $446. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $727. 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 evening when flights can be purchased for as low as $310. At noon is when there is more demand to fly to Michigan, so prices are often more expensive at around $940 per ticket.

Fly from Lambert-St Louis to Detroit Metropolitan Wayne County for the best Lambert-St Louis - Michigan flight prices

You are more likely to see cheaper flights to Michigan from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Michigan for around $386 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Michigan from St. Louis for as low as $279 on momondo.

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

Frontier, Delta, and United Airlines are the most popular carriers operating from Lambert-St Louis to Michigan

Delta, Southwest and United Airlines are the top three most popular airlines that fly to Michigan from St. Louis according to our data. Delta is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Michigan. Keep in mind that there are 5 different airlines that fly to Michigan on a routine basis, so you have a few additional options to choose from.

7 flights are operational daily from St. Louis to Michigan as of November 2026. The most popular departure time for this route is 10:00AM, with 62% of flights per day taking off at noon.

As of November 2026, 54 flights take off from St. Louis and land in Michigan each week. The most common flight departure day for this route is Wed, with 26% of weekly flights taking off on this day.