$78 Find Cheap Flights from Detroit to St. Louis - Compare and Save

Among airlines operating Detroit Metropolitan Wayne County Airport to St. Louis flights:

• Delta: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Detroit Metropolitan Wayne County Airport and St. Louis. The airlines offering nonstop flights on this route include:

• Delta
• Southwest

Flights from Detroit Metropolitan Wayne County Airport to St. Louis usually depart from Detroit Metropolitan Wayne County (DTW) and arrive at Lambert-St Louis (STL).

Here are some options for this route, based on selected ticket types and cabin classes:

• Delta: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag in Economy Class class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Detroit Metropolitan Wayne County Airport to St. Louis:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $258 round-trip via Orlando (MCO), compared to $360 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 717-200 family is used most often on this route, operated mainly by Delta. Other aircraft seen on the route include Airbus A321-100/200 variants.

One-stop flights from Detroit Metropolitan Wayne County Airport to St. Louis most commonly connect through:

• Chicago O'Hare Intl (ORD) - 37% of one-stop connections
• Denver Intl (DEN) - 32% of one-stop connections
• Orlando (MCO) - 21% of one-stop connections
• Chicago Midway (MDW) - 5% of one-stop connections

Chicago O'Hare Intl (ORD) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 21% on the Detroit Metropolitan Wayne County Airport to St. Louis route. Thursday is the cheapest departure day at $322 round-trip on average, while Monday is the most expensive at $405, a difference of $83. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Detroit Metropolitan Wayne County Airport to St. Louis flights, with 34% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 33%, and night flights for 0%.

Some of the most popular sights in St. Louis are Busch Stadium, Enterprise Center and America's Center Convention Complex. These are among the most viewed places in St. Louis on KAYAK.

These are the earliest and latest flight times available from Detroit Metropolitan Wayne County Airport to St. Louis:

• Earliest: departs at 6:10 am and lands at 7:52 am
• Latest: departs at 9:20 pm and lands at 11:02 pm.

The flight takes about 1h 42m.

Last-minute fares on this route - booked within 2 weeks of departure - run 69% above the route average of $359. Book 7 weeks before departure for the lowest fares.

A nonstop flight from Detroit Metropolitan Wayne County Airport to St. Louis takes 1h 42m, covering 439 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $140 to $837. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Detroit Metropolitan Wayne County Airport to St. Louis are currently lower than usual. Average one-way flight prices are about $112, which is 49% below the typical average for this route.

Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 4h 29m, compared with 4h 45m via Chicago O'Hare Intl (ORD) and 12h 38m via Orlando (MCO).

St. Louis is 1 hour behind Detroit Metropolitan Wayne County Airport (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless

Round-trip flights from Detroit Metropolitan Wayne County Airport to St. Louis range from $286 to $449, with an average of $359 over the past 12 months. Anything below $286 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Detroit Metropolitan Wayne County Airport to St. Louis flights:

• Delta
• JetBlue

Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.