Cheap Flights from St Louis to Chicago, IL, United States - STL to CHI
Popular flights from St Louis to Chicago
We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.
When Can I Buy the Cheapest Flight from St Louis to Chicago (STL to CHI)?
Airlines can adjust prices for plane tickets from St Louis to Chicago based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.
How far in advance should you book flights from St Louis to Chicago
The chart below shows up-to-date information regarding how far in advance a flight from St Louis to Chicago should be booked.
|Advanced Purchase||Non Stop||One Stop|
|< 7 days||$384||$462|
Lowest Fares Chart By Month from St Louis to Chicago
The chart below shows the lowest fare by month when flying from St Louis to Chicago.
|Month||Origin||Destination||Carrier||Depart Date||Return Date||Stops||Price|
Cheapest Weekend Non-Stop Flights for the Next 30 Days from St Louis to Chicago
If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from St Louis to Chicago.
Next 30 Days
Non-Stop vs Connecting Flights from St Louis to Chicago (STL to CHI)
Your St Louis to Chicago flight can be significantly cheaper by choosing a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.
The average price for connecting flights from St Louis to Chicago is $355.
The average price for non-stop flights from St Louis to Chicago is $222.
The chart below shows up to date information regarding non-stop flights from St Louis to Chicago.
|Carrier||Mon||Tue||Wed||Thu||Fri||Sat||Sun||Earliest Flight||Latest Flight|
Round Trip vs One Way Flights from St Louis to Chicago (STL to CHI)
We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from St Louis to Chicago. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.
The average price for one way flights from St Louis to Chicago is $151.
The average price for round trip flights from St Louis to Chicago is $280.
St Louis to Chicago Flight Questions
Below are some common questions that asked about this flight route:
Airlines Flying from St Louis to Chicago (STL to CHI)
Below are the different airlines that fly from St Louis to Chicago with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.
Below is the full flight schedule summary of the next 30 days for flights from St Louis to Chicago.
Airports for Your Route
These pages contain information about the major airports in St Louis and Chicago, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.
Farecompare Research Tools
Cheap Domestic Flights from St Louis - STL
|St Louis to Milwaukee||American, Alaska, United||$207|
|St Louis to Atlanta||American, Alaska, Frontier, United||$88|
|St Louis to New York||American, Alaska, United||$245|
|St Louis to Dallas - Ft Worth||American, Alaska, United||$189|
|St Louis to South Bend||United||$600|
|St Louis to Detroit||American, Alaska, United||$232|
|St Louis to Madison||American, Alaska, United||$298|
|St Louis to Grand Rapids||American, Alaska, United||$234|
|St Louis to Minneapolis - St Paul||American, Alaska, United||$242|
|St Louis to Indianapolis||Check Dates|
|St Louis to Washington||American, Alaska, United||$203|
|St Louis to Charlotte||American, Alaska, United||$320|
|St Louis to Cincinnati||American, Alaska, United||$232|
|St Louis to Denver||American, Alaska, Frontier, United||$108|
|St Louis to Kalamazoo||American, United||Check Dates|
|St Louis to Cleveland||American, Alaska, United||$164|
|St Louis to Ft Wayne||American, Alaska, United||$402|
|St Louis to Nashville||Check Dates|
Cheap Domestic Flights to Chicago - CHI
|Springfield to Chicago||American, United||$289|
|Evansville to Chicago||American, United||$285|
|Springfield to Chicago||United||$177|
|Moline to Chicago||American, United||$285|
|Peoria to Chicago||American, United||$285|
|Champaign to Chicago||American||$277|
|Bloomington - Normal to Chicago||American||Check Dates|
|Springfield to Milwaukee||American, United||$356|
|Evansville to Milwaukee||American, United||$614|
|Moline to Milwaukee||United||$312|
|Peoria to Milwaukee||United||Check Dates|
|Springfield to South Bend||American, United||$576|