Nonstop flights from St. Louis to Chicago

3 airlines fly from St. Louis (STL) to 2 Chicago airports (ORD and MDW), with up to 20 flights a day.

STLORD

Routes

2 airport pairs

When they leave

St. Louis time

6:00a8:50pFirst departure 6:00 AM, last 8:50 PM

10 in the morning, 6:00 AM to 11:25 AM, then seven in the afternoon, 12:59 PM to 4:54 PM, then six in the evening, 5:30 PM to 8:50 PM.

Every flight

Earliest first

6:00 AM→7:33 AMSTL to ORDUnited AirlinesCRJ 700Mon, Wed, Thu, Fri, Sat, Sun
6:00 AM→7:34 AMSTL to ORDAmerican AirlinesAirbus A319Daily
6:00 AM→7:05 AMSTL to MDWSouthwest AirlinesBoeing 737 MAX 8Sun
6:05 AM→7:10 AMSTL to MDWSouthwest AirlinesBoeing 737-700Daily
7:25 AM→9:01 AMSTL to ORDUnited AirlinesCRJ 700Daily
8:00 AM→9:34 AMSTL to ORDUnited AirlinesAirbus A319Daily
8:50 AM→10:26 AMSTL to ORDUnited AirlinesCRJ 700Daily
8:50 AM→9:55 AMSTL to MDWSouthwest AirlinesBoeing 737 MAX 8Sun
9:30 AM→11:00 AMSTL to ORDUnited AirlinesEmbraer 175Mon, Wed, Thu, Fri, Sun
9:32 AM→11:00 AMSTL to ORDAmerican AirlinesEmbraer 170Daily
10:53 AM→12:28 PMSTL to ORDUnited AirlinesCRJ 700Mon, Tue, Wed, Thu, Fri, Sun
11:05 AM→12:15 PMSTL to MDWSouthwest AirlinesBoeing 737-700Mon, Tue, Wed, Thu, Fri, Sat
11:25 AM→1:01 PMSTL to ORDUnited AirlinesCRJ 700Sat
12:59 PM→2:30 PMSTL to ORDUnited AirlinesBoeing 737Daily
1:25 PM→3:01 PMSTL to ORDAmerican AirlinesCRJ 700Daily
2:20 PM→3:25 PMSTL to MDWSouthwest AirlinesBoeing 737Mon, Tue, Wed, Thu, Fri, Sat
3:30 PM→4:35 PMSTL to MDWSouthwest AirlinesBoeing 737Sun
3:32 PM→5:05 PMSTL to ORDUnited AirlinesCRJ 700Mon, Tue, Wed, Thu, Fri, Sun
3:32 PM→5:05 PMSTL to ORDUnited AirlinesCRJ 700Sat
3:45 PM→4:50 PMSTL to MDWSouthwest AirlinesBoeing 737 MAX 8Tue, Wed
4:54 PM→6:33 PMSTL to ORDAmerican AirlinesEmbraer 175Daily
5:30 PM→7:01 PMSTL to ORDUnited AirlinesAirbus A320Daily
6:15 PM→7:20 PMSTL to MDWSouthwest AirlinesBoeing 737-700Mon, Thu, Fri
6:54 PM→8:30 PMSTL to ORDUnited AirlinesCRJ 700Daily
7:30 PM→8:35 PMSTL to MDWSouthwest AirlinesBoeing 737 MAX 8Sun
8:07 PM→9:40 PMSTL to ORDAmerican AirlinesEmbraer 170Daily
8:50 PM→9:55 PMSTL to MDWSouthwest AirlinesBoeing 737 MAX 8Mon, Tue, Wed, Thu, Fri

Schedules last checked Sep 19, 2026. Times are local.

Flying from St. Louis to Chicago

United Airlines flies most often, 8 to 10 times a day on the CRJ 700, Airbus A319, Airbus A320, Boeing 737 and Embraer 175. American Airlines flies 5 times a day on the Embraer 170, Airbus A319, CRJ 700 and Embraer 175. Southwest Airlines flies 3 to 5 times a day on the Boeing 737 MAX 8, Boeing 737-700 and Boeing 737.

Flights run every day of the week, from 17 on Saturdays to 20 on Mondays, Wednesdays, Thursdays, Fridays and Sundays. The first arrival in Chicago is at 7:05 AM and the last at 9:55 PM.

STL to ORD is the busiest airport pair, with 102 flights a week, then STL to MDW with 33.

Flying back, Chicago to St. Louis has 135 nonstop flights a week.

Return flights

Chicago to St. LouisView

Find the cheapest day to fly from St. Louis to Chicago.

Schedules as of Oct 9, 2026.