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Chicago to Saint Louis Flight Information

Below are some common questions asked about this flight route:

Best time to book Chicago to Saint Louis flights

Generally the best time to book Chicago to Saint Louis flights is two months in advance. And the cheapest days to fly are Tuesdays, Wednesdays, and Saturdays. Sunday is the most expensive.

How many direct flights from Chicago to Saint Louis?

There are 109 direct flights from Chicago to Saint Louis.

What is the most popular airline for non-stop flights from Chicago to Saint Louis?

United Airlines provides 55 of the non-stop flights between Chicago and Saint Louis.

Airlines flying this route:
Airports in Chicago:
Airports in Saint Louis:
Average duration of direct flights: 1h17m

Chicago to Saint Louis Flight Schedule

Flight info. Departure
Arrival
Route Weekly Schedule
21:05 ORD 22:25 STL
Chicago to Saint Louis ----TFS Search
18:25 ORD 19:43 STL
Chicago to Saint Louis SMTWTFS Search
18:05 ORD 19:21 STL
Chicago to Saint Louis SMTWTFS Search
13:20 ORD 14:28 STL
Chicago to Saint Louis SMTWTFS Search
19:30 ORD 20:51 STL
Chicago to Saint Louis SMTWTFS Search
16:00 ORD 17:25 STL
Chicago to Saint Louis SMTWTFS Search
15:05 ORD 16:12 STL
Chicago to Saint Louis ----TFS Search
20:20 ORD 21:30 STL
Chicago to Saint Louis SMTWTFS Search
09:55 ORD 11:15 STL
Chicago to Saint Louis -----F- Search
12:58 ORD 14:18 STL
Chicago to Saint Louis S------ Search
12:50 ORD 14:07 STL
Chicago to Saint Louis ------- Search
21:20 MDW 22:20 STL
Chicago to Saint Louis ------- Search
11:50 MDW 12:55 STL
Chicago to Saint Louis ----TF- Search
AC4900
17:50 ORD 19:11 STL
Chicago to Saint Louis SMTWTFS Search
AC4912
21:19 ORD 22:43 STL
Chicago to Saint Louis SMTWTFS Search
AC4916
14:30 ORD 15:56 STL
Chicago to Saint Louis S------ Search
AC4926
19:32 ORD 20:55 STL
Chicago to Saint Louis SMTWTFS Search
AC4914
10:00 ORD 11:21 STL
Chicago to Saint Louis SMTWTFS Search
AC4930
14:30 ORD 15:56 STL
Chicago to Saint Louis SMTWTFS Search
AC4934
16:00 ORD 17:21 STL
Chicago to Saint Louis SMTWTFS Search

Chicago to St.Louis Lambert International Airport (STL)

13:46, Nov 19 - 08:48, Nov 20
9K | Cape Air
2h 48m
ORD - STL
Nonstop
US$231
Round-trip from
Search
21:20, Nov 19 - 08:48, Nov 20
UA | United Airlines
1h 21m
ORD - STL
Nonstop
US$248
Round-trip from
Search
18:25, Nov 18 - 07:33, Nov 21
AA | American Airlines
1h 19m
ORD - STL
Nonstop
US$259
Round-trip from
Search
12:05, Jan 17 - 15:00, Jan 19
WN | Southwest Airlines
1h 15m
MDW - STL
Nonstop
US$276
Round-trip from
Search
10:35, Nov 19 - 08:48, Nov 20
DL | Delta Air Lines
4h 15m
ORD - STL
1 stop
US$250
Round-trip from
Search

Prices shown are for 1 adult ticket including taxes & fees.(As ticket fares can change frequently, these advertised prices are for reference only. The actual prices will be shown at time of booking.)

Roundtrip vs One-Way Flights from Chicago to Saint Louis

There is usually no major price difference between buying a roundtrip flight versus a one-way flight. Increased flexibility is the main benefit when it comes to buying a one-way flight from Chicago to Saint Louis. However, booking a roundtrip flight is a simpler process. You can compare roundtrip and one-way flights by using our flight comparison tool.

Travel from Chicago to Saint Louis

Saint Louis attracts thousands of visitors every year for both business and pleasure. Planning a trip from Chicago to Saint Louis is easy when you use Trip.com to help you make travel arrangements. With Trip.com, you can search for available flights and hotel rooms, and then make your booking quickly and easily online.

A Trip to Remember

Make your journey from Chicago to Saint Louis a trip to remember when you use Trip.com to review city attractions before you arrive. With a preview of what's available at your destination, you can make any necessary reservations in advance for the best travel experience possible.