Flights from St Louis to Chicago, United States

Did you mean flights from Chicago to St Louis?

St Louis to Chicago Last modified: Jan 27, 2025 3:25 -05:00

We've scanned 119,262,985 round trip itineraries and found the cheapest flights to Chicago. Southern Airways & American frequently offer the best deals to Chicago flights, or select your preferred carrier below to see the cheapest days to fly.

Southern Airways
STLCHI
Sat 2/15
1 stop
CHISTL
Sun 2/16
1 stop
$140
American
STLCHI
Wed 4/9
nonstop
CHISTL
Fri 4/11
nonstop
$152
Multiple Airlines
STLCHI
Thu 2/20
1 stop
CHISTL
Sun 2/23
1 stop
$166
Spirit
STLCHI
Tue 2/25
1 stop
CHISTL
Tue 3/4
1 stop
$167
Major Airlines
STLCHI
Tue 2/18
1 stop
CHISTL
Tue 2/25
1 stop
$177
United
STLCHI
Mon 2/17
nonstop
CHISTL
Wed 2/19
nonstop
$197

How Much is a Flight from St Louis to Chicago?

We have collected flight cost data from across the web for travel from St Louis to Chicago, and have found the average flight price for this trip to be $140.

Where To Buy Cheap Flights from St Louis to Chicago?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for 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 found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from St Louis to Chicago?

The chart below shows up-to-date information regarding how far in advance to book your flight from St Louis to Chicago.

Cheapest Day To Fly from St Louis to Chicago

We've examined 238,525,970 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from St Louis to Chicago is Sunday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$140$140$140$140$140 $140

Compare Flight Prices from St Louis to Chicago by Month

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Cheap Last Minute Flights from St Louis to Chicago

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Connecting Flights vs Direct Flights from St Louis to Chicago

Flights between some cities may be significantly cheaper if you choose 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 $155.

The average price for direct flights from St Louis to Chicago is $306.

The chart below shows up to date information regarding non-stop flights from St Louis to Chicago.

Weekly Direct Flights from St Louis to Chicago - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
American 6 6 6 6 6 5 5 02:30 12:15
United 9 9 9 9 9 9 9 00:35 13:55

One Way Flights vs Round Trip Flights from St Louis to Chicago

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 $125.

The average price for round trip flights from St Louis to Chicago is $155.

St Louis to Chicago Flight Questions

Below are some common questions that asked about this flight route:

Question: How long is the flight from St Louis to Chicago?
Answer: The average St Louis to Chicago flight time is an hour and 20 minutes.
Question: How far is Chicago from St Louis?
Answer: The distance from St Louis to Chicago is 258 miles (415 kilometers).
Question: How common are direct flights from St Louis to Chicago?
Answer: There are 103 direct flights from St Louis to Chicago.
Question: What are the most popular St Louis airlines for direct flights from St Louis to Chicago?
Answer: United Airlines provides 61% of the non-stop flights between St Louis and Chicago.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from St Louis to Chicago