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Flights from Detroit to St. Louis

Find cheap airlines flights from Detroit to St. Louis

Choose from 1 carriers that fly from Detroit to St. Louis, including Delta Air Lines, Enjoy the cheapest tickets on this route with Delta Air Lines.
Delta Air Lines logo Delta Air Lines

Cheap flight deals from Detroit to St. Louis

Non stop flight deals! Book direct flights from Detroit to St. Louis: One way flights from $58, round trip flights from $104. Cheapest next 3 months.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Detroit to St. Louis

The distance between Detroit and St. Louis is about 730.92 km. It takes around 1 hour 38 minutes on average to fly from Detroit to St. Louis. The most popular month to St. Louis is March. The off-season for travel is April.

Cheapest one-way flight price $58
Cheapest round-trip ticket price $104
Off-season for travel April
Peak season for travel March
Flight distance 730.92 km
Average flight time 1 hour 38 minutes
Popular airline Delta Air Lines

When is the cheapest time to fly from Detroit to St. Louis?

The cheapest time for Detroit to St. Louis flights: Aug 17 to Aug 24 — one way flight prices from $58.

Cheapest flights
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Detroit (DTT) to St. Louis (STL) the cheapest?

    Airlines adjust prices for flights from Detroit to St. Louis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Detroit (DTT) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around $345.

  • How long does it take to fly from Detroit (DTT) to St. Louis (STL) and what is the distance?

    It takes around 1 hour 38 minutes to fly from Detroit (DTT) to St. Louis (STL).

  • What are the most popular airlines that fly from Detroit (DTT) to St. Louis (STL)?

    Airlines with flights from Detroit (DTT) to St. Louis (STL): Delta Air Lines, Air France, Aeromexico, WestJet, Spirit Airlines, Southwest Airlines, Korean Air, Virgin Atlantic and KLM Royal Dutch Airlines.

How to find a cheap flight from Detroit to St. Louis

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Detroit to St. Louis. Book your flights at the right time and save more.
1
Be flexible with your travel dates to get the cheapest Detroit to St. Louis ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Detroit to St. Louis for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $58 for a one-way ticket on Fri, Aug 22.
2
Compare cheap Detroit to St. Louis flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Detroit to St. Louis. The most affordable airline currently operating on this route is Delta Air Lines.
3
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Detroit to St. Louis route to track ticket prices effortlessly—no need to check manually every day.
4
Don't miss out on cheap Detroit to St. Louis flight deals and promo codes.
Stay updated on the latest deals with Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership to unlock even more exclusive flight discounts.
5
Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
6
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Detroit to St. Louis to access exclusive deals just for you.

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