CHI to STL (Chicago to St. Louis) Flights

Last Minute Flights from CHI to STL

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
MDWSt. LouisMay 4 to May 14$192
*Prices include taxes and fees

Cheapest CHI to STL Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ORDSt. LouisMay 28 to June 3$102
ORDSt. LouisMay 20 to May 30$129
MDWSt. LouisJuly 1 to July 5$135
ORDSt. LouisMay 22 to June 5$140
*Prices include taxes and fees
CHI to STL Flight Details
Origin airport
O'Hare Intl.
Origin airport IATA code
ORD
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Distance
258 mi

Frequently asked questions

How many flights are there from Chicago, IL (CHI-All Airports) to STL?
At least 17 services operate per day between Chicago, IL (CHI-All Airports) and St. Louis, MO (STL-Lambert-St. Louis Intl.). Fasten your safety belt because your plane to St. Louis is ready to take off.
How many morning flights are there from Chicago, IL (CHI-All Airports) to STL?
Buckle up and jet from Chicago, IL (CHI-All Airports) to STL on one of the 37 morning flights each week. American Airlines (AA) lists 14 weekly services taking off before noon. 7:59AM is the earliest departure available with this carrier.
How many afternoon flights are there from Chicago, IL (CHI-All Airports) to STL?
Every week, you can take your pick of 85 afternoon and evening flights from Chicago, IL (CHI-All Airports) to STL.

  • United Airlines (UA) lists 38 flights a week departing after midday. The first one is scheduled for 12:57PM.
  • Alternatively, American Airlines (AA) lists 28 afternoon and evening flights each week, with the first departing at 1:15PM.

What is the earliest departure time out of Illinois to St. Louis?
The earliest flight departs Chicago, IL (CHI-All Airports) at 5:55AM and touches down at STL at 7:05AM. You’ll want to allow yourself ample time in the morning to easily make it to your departure gate.
What is the latest departure time out of Illinois to St. Louis?
Book a ticket for the 10:40PM flight from Chicago, IL (CHI-All Airports), touching down at STL at 11:50PM, and give yourself time to take care of any last-minute vacation preparations. This is the latest flight you can get on this route.
What is the average price from Illinois to St. Louis?
Round-trip journeys from Chicago, IL (CHI-All Airports) to STL begin from around $102. Killer deals don’t stick around forever, so have your credit card handy when you find the perfect price. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Chicago to St. Louis Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Chicago to St. Louis to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from CHI to STL, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Chicago to St. Louis, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.