Cheap flights from St. Louis to Chicago

Good to know

Flight information for St. Louis to Chicago to help you plan your next trip.
Cheapest round-trip flight
$117
Southwest Nonstop 2 hr Jul 25 — Jul 28
The cheapest round-trip flight from St. Louis to Chicago is currently $117
Cheapest one-way flight
$59
Southwest Nonstop 2 hr Jul 17
The cheapest one-way flight from St. Louis to Chicago is currently $59
Fastest flight
1 hr 5 min
The fastest nonstop flight from St. Louis to Chicago takes 1 hr 5 min
Nonstop flights
Every day
There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from St. Louis to Chicago is typically April. The most expensive one is typically August.
April
Cheapest
Typical prices: $115–190
August
Most expensive
Typical prices: $165–190

Popular airports near St. Louis

  • St. Louis Lambert International Airport (STL)
    St. Louis 22 min 12 mi
  • General Wayne A. Downing Peoria International Airport (PIA)
    Peoria 2 hr 34 min 143 mi
  • Indianapolis International Airport (IND)
    Indianapolis 3 hr 29 min 222 mi
  • Evansville Regional Airport (EVV)
    Evansville 2 hr 30 min 150 mi

Popular airports near Chicago

  • Chicago O'Hare International Airport (ORD)
    Chicago 26 min 16 mi
  • Chicago Midway International Airport (MDW)
    Chicago 22 min 9 mi
  • Milwaukee Mitchell International Airport (MKE)
    Milwaukee 1 hr 23 min 75 mi
  • Indianapolis International Airport (IND)
    Indianapolis 2 hr 56 min 165 mi

Frequently asked questions about flying from St. Louis to Chicago

How long does it take to fly from St. Louis to Chicago?
1 hr 5 min is the shortest flight time from St. Louis to Chicago.
When are the cheapest days to fly from St. Louis to Chicago?
The cheapest days to fly are usually in April. Typical prices range from $115 to $190.
Which airlines provide the cheapest flights from St. Louis to Chicago?
The best round-trip deal recently found on Google Flights from St. Louis to Chicago was with Southwest from $117. The best one-way deal was with Southwest from $59.
When are direct flights from St. Louis to Chicago available?
There are direct flights from St. Louis to Chicago on a daily basis.
Which airlines have direct flights from St. Louis to Chicago?
Southwest, United and American fly direct from St. Louis to Chicago.
What are the cheapest flights from St. Louis to Chicago?
The cheapest round-trip flight from St. Louis to Chicago starts at $117 from Thu, Jul 25 to Sun, Jul 28. The cheapest one-way flight starts at $59 and departs on Wed, Jul 17.
When should you visit Chicago?
Chicago's peak season is Jun–Aug. Popular events throughout year include St. Patrick's Day, when the river is tinted green (Mar 17); the Pride Parade (Jun); the Taste of Chicago culinary festival (Jul) and the Jazz Festival (Sep). During the holiday season (Nov–Dec), the Magnificent Mile Lights Festival and Christkindlmarket, a German Christmas market in Daley Plaza, draw crowds to the city.
How do I find cheap dates to fly from St. Louis to Chicago
It's easy to use Google Flights to find the cheapest days to fly from St. Louis to Chicago.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

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