STL to CHI (St. Louis to Chicago) Flights

Last Minute Flights from STL to CHI

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

OriginDestinationTravel DatesFlights From*
STLChicagoAugust 23 to August 30$188
*Prices include taxes and fees

Cheapest STL to CHI Flights

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

OriginDestinationTravel DatesFlights From*
STLChicagoSeptember 23 to September 27$77
STLChicagoOctober 15 to October 18$77
STLChicagoSeptember 16 to September 18$91
STLChicagoOctober 24 to October 27$177
STLChicagoSeptember 18 to September 23$185
*Prices include taxes and fees
STL to CHI Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
Midway Intl.
Destination airport IATA code
MDW
Distance
251 mi

Frequently asked questions

How many flights are there from STL to Chicago, IL (CHI-All Airports)?
There are about 17 flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Chicago, IL (CHI-All Airports), so you have plenty of ways to get to Illinois. Just find a date and time that matches your schedule and secure your fare.
How many morning flights are there from STL to Chicago, IL (CHI-All Airports)?
The STL to Chicago, IL (CHI-All Airports) route is well taken care of, with 64 morning flights each week.

  • United Airlines (UA) has 28 weekly flights that jet off before noon. The earliest one departs at 6:00AM.
  • American Airlines (AA) is another good option. It offers 23 flights before noon per week, with the earliest one to depart at 5:51AM.

How many afternoon flights are there from STL to Chicago, IL (CHI-All Airports)?
Every week, you'll have your pick of 56 afternoon and evening flights from STL to Chicago, IL (CHI-All Airports).

  • American Airlines (AA) has 19 flights per week departing after midday. The first one leaves the tarmac at 5:03PM.
  • Alternatively, United Airlines (UA) offers 15 afternoon and evening flights a week, with the first departing at 8:15PM.

What is the earliest departure time out of St. Louis to Illinois?
The earliest flight jets off from STL at 5:51AM and hits the runway at Chicago, IL (CHI-All Airports) at 7:10AM. You'll want to give yourself lots of time in the morning to get to your gate.
What is the latest departure time out of St. Louis to Illinois?
From STL, the latest flight you can catch departs at 10:50PM and touches down at 11:55PM at Chicago, IL (CHI-All Airports). If you're not into early mornings, this is the flight to catch.
What is the average price from St. Louis to Illinois?
You can find a return airfare from STL to Chicago, IL (CHI-All Airports) starting from around $77. The cheapest deals disappear fast, so book as soon as you know your travel dates. 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.

St. Louis to Chicago Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from St. Louis to Chicago 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 STL to CHI, 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 St. Louis to Chicago, 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.