$58 Find Cheap Flights from St. Louis to Chicago - Compare and Save

These are the earliest and latest flight times available from St. Louis to Chicago:

• Earliest: departs at 5:00 am and lands at 6:28 am
• Latest: departs at 10:50 pm and lands at 12:18 am.

The flight takes about 1h 28m.

Three cabin classes are available on flights from St. Louis to Chicago:

• Economy Class
• Business Class
• First Class

A nonstop flight from St. Louis to Chicago takes 1h 28m, covering 260 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.

Round-trip flights from St. Louis to Chicago range from $224 to $451, with an average of $323 over the past 12 months. Anything below $224 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 82% above the $323 route average. Book 13 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $165 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $325 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on St. Louis to Chicago flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 20%, and night flights for 5%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $147 to $1,083. That means the highest observed fare was about 7x higher than the lowest one.

American Airlines is the only airline on the St. Louis to Chicago route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from St. Louis to Chicago are currently lower than usual. Average one-way flight prices are about $59, which is 76% below the typical average for this route.

Since Chicago is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Chicago O'Hare Intl Airport (ORD) — daily rates from around $17:

• Routes Car & Truck Rentals
• Europcar
• Hertz
• Dollar
• Ace

Near Chicago Midway Airport (MDW) — daily rates from around $32:

• Hertz
• Dollar
• Budget
• Alamo
• Rent-A-Wreck

Near Chicago Greater Rockford Airport (RFD) — daily rates from around $30:

• Alamo
• Enterprise Rent-A-Car
• Budget
• Avis
• National

Flights from St. Louis to Chicago usually depart from Lambert-St Louis (STL) and may arrive at several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD).

One-stop flights from St. Louis to Chicago most commonly connect through:

• Quincy Regional (UIN) - 64% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 14% of one-stop connections
• Denver Intl (DEN) - 7% of one-stop connections
• Chicago O'Hare Intl (ORD) - 7% of one-stop connections

Yes. Flexible dates can save you up to 35% on flights from St. Louis to Chicago. Saturday is the cheapest departure day at $258 round-trip on average, while Monday is the most expensive at $391, a difference of $133.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

3 airlines operate flights between St. Louis and Chicago. The airlines offering nonstop flights on this route include:

• United Airlines
• American Airlines
• Southwest

Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 3h 55m, compared with 6h 30m via Quincy Regional (UIN) and 6h 39m via Atlanta Hartsfield-Jackson (ATL).

Some of the most popular sights in Chicago are Magnificent Mile, Grant Park and Soldier Field. These are among the most viewed places in Chicago on KAYAK.

Among airlines operating St. Louis to Chicago flights:

• United Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection
• American Airlines: offers free seat selection
• Alaska Airlines: offers free seat selection

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

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

• United Airlines: a cabin bag and a checked bag in Economy Class
• Southwest: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Business Class

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

The airport provides various convenient parking facilities depending on the length of the passenger’s stay. You can choose between short-term parking and long-term parking, with the long-term parking lots being located a few minutes away from the terminal. The airport provides free shuttle services from the long-term parking lots throughout the day. Passengers can check parking availability online before getting to the airport.

All the airport’s terminals and concourses are easily wheelchair accessible using automatic doors, as well as providing accessible restrooms for individuals with mobility impairments. All elevators within the airport are also fitted with raised numbers and Braille signage and all parking garages and terminals offer audible information. Persons with disabilities are also provided with designated parking spots and specially designed security checkpoint lanes.

You can use either public transit or private means to get from either of the two airports in Chicago to downtown. The L train serves both O’Hare International Airport and Midway International Airport, and passengers can use it to get downtown at any time. Payment for the L Train can be done via contactless payment or using a Ventra Ticket or Ventra Card. Alternatively, you can take a taxi, use rideshare services, or rent a car at any of the car rental services with operations at Chicago’s airports.

St. Louis Lambert International Airport is a pet-friendly environment that offers six pet relief areas for traveling pets and service animals. The wheelchair-accessible indoor pet relief areas are located in Terminal 2, Concourse A, and Concourse C. Each of the indoor pet relief areas has an artificial grassy area with a hose that facilitates easy liquid waste cleanup. The outdoor pet relief areas are located outside Terminal 1 and Terminal 2.