Flights from St Louis to Chicago, United States

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Did you mean flights from Chicago to St Louis?

St Louis to Chicago Last modified: Aug 22, 2019 2:08 -04:00

We've scanned 48,195,047,545 round trip itineraries and found the cheapest flights to Chicago. American & United frequently offer the best deals to Chicago flights, or select your preferred carrier below to see the cheapest days to fly.

American
STLCHI
Wed 9/4
1 stop
CHISTL
Mon 9/16
1 stop
$245
United
STLCHI
Wed 9/4
nonstop
CHISTL
Mon 9/16
nonstop
$257

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 $252.

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.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $385 $307
7-14 days $252 $245
14-21 days $252 $252
21-30 days $263 $252
30-60 days $252 $252
60-90 days $263 $252
90+ days $263 $252

Cheapest Day To Fly from St Louis to Chicago

We've examined 57,595,778,181 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
$252$252$252$252$252$252$252

Compare Flight Prices from St Louis to Chicago by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for St Louis to Chicago flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
August St Louis Chicago American 8/26/19 9/5/19 1 $253
September St Louis Chicago American 9/3/19 9/6/19 1 $252
October St Louis Chicago American 10/10/19 10/11/19 1 $252
November St Louis Chicago American 11/1/19 11/4/19 1 $252
December St Louis Chicago American 12/2/19 12/10/19 1 $252
January St Louis Chicago American 1/14/20 1/23/20 1 $253
February St Louis Chicago American 2/7/20 2/9/20 1 $265
March St Louis Chicago American 3/31/20 4/9/20 1 $299

Cheap Last Minute Flights from St Louis to Chicago

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from St Louis to Chicago. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
18 19 20 21 22 23 24
$319
25 26 27 28 29 30 31
$319 $281
1 2 3 4 5 6 7
$281 $252
8 9 10 11 12 13 14
$252 $252
15 16 17 18 19 20 21
$252 $252
22 23 24 25 26 27 28
$252

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 $272.

The average price for direct flights from St Louis to Chicago is $305.

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 5 6 6 5 6 02:35 15:02
United 8 8 8 8 8 8 8 01:14 14:05
Major Airlines 7 7 7 7 7 5 7 00:30 15:50

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 $151.

The average price for round trip flights from St Louis to Chicago is $272.

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 17 minutes.
Question: How far is Chicago from St Louis?
Answer: The distance from St Louis to Chicago is 251 miles (403 kilometers).
Question: How common are direct flights from St Louis to Chicago?
Answer: There are 143 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 39% of the non-stop flights between St Louis and Chicago.
Question: What are the most popular connecting cities when flying from St Louis to Chicago?
Answer: Atlanta, GA

Airlines in St Louis flying to Chicago Last modified: Aug 22, 2019 2:08 -04:00Number of routes searched: 254Number of itineraries searched: 434,412

Wondering which airlines fly out of St Louis to Chicago? We've gathered the average price of St Louis airlines with flights to Chicago. Different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary showing which days of the week individual carriers offer flights for the next 30 days.

St Louis to Chicago
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American -
United -
Air Choice One BRL
Cape Air DEC
American CLT
American DCA
American DFW
American LAX
Alaska LAX
Alaska SAN
Alaska SEA
Major Airlines ATL
Major Airlines DTW
Major Airlines MSP
Major Airlines CVG
Major Airlines LGA
Sun Country MSP
United DCA
United DEN
United EWR
United IAD

St Louis to Chicago Airports

These are the major commercial airports we're currently monitoring in St Louis and Chicago. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

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.

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Cheap Flights from St Louis to Chicago