Flights from Chicago to St Louis, United States

Did you mean flights from St Louis to Chicago?

Chicago to St Louis Last modified: Mar 26, 2024 19:37 -04:00

We've scanned 117,220,093 round trip itineraries and found the cheapest flights to St Louis. American & United frequently offer the best deals to St Louis flights, or select your preferred carrier below to see the cheapest days to fly.

American
CHISTL
Thu 7/4
nonstop
STLCHI
Fri 7/5
nonstop
United
CHISTL
Mon 7/1
nonstop
STLCHI
Tue 7/2
nonstop
$159
Multiple Airlines
CHISTL
Mon 4/15
1 stop
STLCHI
Mon 4/29
1 stop
$192

How Much is a Flight from Chicago to St Louis?

We have collected flight cost data from across the web for travel from Chicago to St Louis, and have found the average flight price for this trip to be $239.

Where To Buy Cheap Flights from Chicago to St Louis?

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 Chicago to St Louis 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 Chicago to St Louis?

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

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $421 $268
7-14 days $310 $249
14-21 days $289 $239
21-30 days $267 $239
30-60 days $245 $239
60-90 days $231 $259
90+ days $238 $246

Cheapest Day To Fly from Chicago to St Louis

We've examined 234,440,186 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from Chicago to St Louis is Monday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$231$238$238$239$245 $239

Cheap Last Minute Flights from Chicago to St Louis

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

Next 30 Days

SunMonTueWedThuFriSat
7 8 9 10 11 12 13
$349
14 15 16 17 18 19 20
$349 $259
21 22 23 24 25 26 27
$259 $239
28 29 30 31 1 2 3
$239 $239
4 5 6 7 8 9 10
$239 $239
11 12 13 14 15 16 17
$239

Connecting Flights vs Direct Flights from Chicago to St Louis

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 Chicago to St Louis is not available.

The average price for direct flights from Chicago to St Louis is not available.

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

Weekly Direct Flights from Chicago to St Louis - By Carrier
CarrierMonTueWedThuFriSatSunEarliest FlightLatest Flight
American 6 6 6 6 6 5 5 02:20 15:05
United 9 9 9 9 9 9 9 01:39 16:26

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

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 Chicago to St Louis. 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. Find Flights

Chicago to St Louis Flight Questions

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

Question: How long is the flight from Chicago to St Louis?
Answer: The average Chicago to St Louis flight time is an hour and 17 minutes.
Question: How far is St Louis from Chicago?
Answer: The distance from Chicago to St Louis is 258 miles (415 kilometers).
Question: How common are direct flights from Chicago to St Louis?
Answer: There are 103 direct flights from Chicago to St Louis.
Question: What are the most popular Chicago airlines for direct flights from Chicago to St Louis?
Answer: United Airlines provides 61% of the non-stop flights between Chicago and St Louis.

Chicago to St Louis Airports

These are the major commercial airports we're currently monitoring in Chicago and St Louis. 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.

Cheap Flights from Chicago to St Louis