Cheap flights from Detroit to St. Louis

Monday flights are found to be more expensive to fly from Detroit to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 38 days in advance, which can save you up to 41% on flights from Detroit to St. Louis compared to booking the week you need them. Waiting 38 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 489. For sooner than that we have options available in the next 3 days from C$ 603.

October can be a great time to fly to St. Louis from Detroit with a flight ticket averaging about C$ 450. Cheapflights users have found deals in the month of October for as cheap as C$ 294. The most expensive prices can be found in the month of July.

One of the essential ways to save on airfare from Detroit to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 41% on airfare.

Direct flights can be found on the following days: Friday, Saturday.

On average 7 flights depart from Detroit to St. Louis per day.
Afternoon (Noon - 6pm) - 43% of flight departures
Evening (6pm - Midnight) - 57% of flight departures

No one likes to see their flight delayed. When booking a flight from Detroit to St. Louis consider choosing WestJet (94%), KLM (94%) or Korean Air (93%) as they are the most reliable in getting you off to your destination on time.

DTW stands for Detroit Metropolitan Wayne County Airport, while STL stands for Lambert-St Louis Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.