Skip to main content
Beginning of main content

Cheap Flights from St. Louis to Detroit $246.4

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia’s Price Guarantee
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Cheapest Flights from St. Louis to Detroit (STL to DTW)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Detroit Airports





Interesting Facts About Flights from St. Louis to Detroit (STL to DTW)

Question : Do prices change more for this route than others?
Answer : Flight prices for STL to DTW fluctuate much more than most routes. Remember, the sooner you book, the more you're able to save.

Question : How many different departure times are there each day?
Answer : On average, you can expect to see five available departure times for this route. You won't have as many choices on this route as most others.

Question : From Saint Louis to Detroit, which day is going to have the most flight times?
Answer : With 28 total flight time options, Monday and Tuesday provide the most flexibility from STL to DTW. Note that Saturday offers the least number of options with 16 flight times.

Question : How does Saint Louis to Detroit stack up against the rest of the world in overall promptness?
Answer : Using the combined on-time percentage and average delay breakdown, Saint Louis to Detroit currently has a 3.0 out of a possible 5 star rating. A 3.0 rating means you should plan on being flexible with your arrival plans.