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Cheap flights from St Louis to Chicago

52 nonstop flights a week, 6 of them today. Operated by 3 airlines, about 1h 28m in the air, 262 mi (422 km). Tickets from $72.

Flights from St Louis to Chicago

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: St Louis to Chicago

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from St Louis to Chicago

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $72 9 January 2027, nonstop Cheapest nonstop $72 9 January 2027, Southwest Airlines Cheapest in the next 7 days $80 15 November, Sun Cheapest weekend departure $72 Sat, 9 January 2027 Cheapest month January 2027 tickets from $72

St Louis to Chicago at a glance

flight time, from 1h 5m to 1h 43m
1h 28m
straight-line distance
262 mi (422 km)
flights a week
52
flights today
6
first and last departure
05:00 - 07:30
lowest price, nonstop, 9 January
$72
average across months
$76
airlines
3

St Louis to Chicago ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: January 2027, tickets from $72. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $80. The average across months is $76.

St Louis to Chicago flight schedule

52 flights a week, 6 today, 54 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AA 3012
American Airlines
05:00 Lambert-St. Louis International, terminal 1
06:29 , terminal 3
1h 29m
Mon, Thu, Fri
Airbus A319
AA 363
American Airlines
05:00 Lambert-St. Louis International, terminal 1
06:29 , terminal 3
1h 29m
Tue, Wed
Airbus A319
UA 4439
United Airlines
05:00 Lambert-St. Louis International, terminal 1
06:36 , terminal 2
1h 36m
Daily
AA 363
American Airlines
05:01 Lambert-St. Louis International, terminal 1
06:30 , terminal 3
1h 29m
Wed, Thu, Fri, Sat, Sun
Airbus A319
AA 3012
American Airlines
05:02 Lambert-St. Louis International, terminal 1
06:29 , terminal 3
1h 27m
Sun
Boeing 737-800
AA 363
American Airlines
05:06 Lambert-St. Louis International, terminal 1
06:30 , terminal 3
1h 24m
Mon
Boeing 737-800
WN 4173
Southwest Airlines
05:30 Lambert-St. Louis International, terminal 2
06:40 Chicago Midway International
1h 10m
Sat
Boeing 737-800
WN 3285
Southwest Airlines
05:45 Lambert-St. Louis International, terminal 2
06:55 Chicago Midway International
1h 10m
Sat
Boeing 737-800
WN 4173
Southwest Airlines
05:45 Lambert-St. Louis International, terminal 2
06:55 Chicago Midway International
1h 10m
Mon, Thu, Fri, Sun
Boeing 737-800
AA 3741
American Airlines
05:50 Lambert-St. Louis International, terminal 1
07:24 , terminal 3
1h 34m
Sat
Embraer EMB 175
AA 3409
American Airlines
06:00 Lambert-St. Louis International, terminal 1
07:34 , terminal 3
1h 34m
Daily
Embraer EMB 175
AA 3741
American Airlines
06:00 Lambert-St. Louis International, terminal 1
07:36 , terminal 3
1h 36m
Mon, Thu, Fri, Sun
Embraer EMB 175
WN 4173
Southwest Airlines
06:20 Lambert-St. Louis International, terminal 2
07:25 Chicago Midway International
1h 5m
Mon, Tue, Wed, Thu
Boeing 737-800
AA 1926
American Airlines
07:25 Lambert-St. Louis International, terminal 1
08:59 , terminal 3
1h 34m
Sun
Airbus A319
AA 1926
American Airlines
07:26 Lambert-St. Louis International, terminal 1
09:00 , terminal 3
1h 34m
Daily
Airbus A319
UA 2414
United Airlines
07:30 Lambert-St. Louis International, terminal 1
09:00 , terminal 1
1h 30m
Daily
Boeing 737-800

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 26 November.

FlightDepartsArrivesDurationDaysAircraft
WN 4173
Southwest Airlines
05:40 Lambert-St. Louis International, terminal 2
06:50 Chicago Midway International
1h 10m
Seasonal
AA 1926
American Airlines
07:16 Lambert-St. Louis International, terminal 1
08:50 , terminal 3
1h 34m
Seasonal
Airbus A319
UA 1077
United Airlines
06:00 Lambert-St. Louis International, terminal 1
07:32 , terminal 1
1h 32m
Selected dates
Airbus A320
AA 3741
American Airlines
07:13 Lambert-St. Louis International, terminal 1
08:50 , terminal 3
1h 37m
Seasonal
Embraer EMB 175
WN 4808
Southwest Airlines
05:50 Lambert-St. Louis International, terminal 2
07:00 Chicago Midway International
1h 10m
Selected dates
UA 1834
United Airlines
06:30 Lambert-St. Louis International, terminal 1
07:57 , terminal 1
1h 27m
Seasonal
Boeing 737
AA 2317
American Airlines
05:02 Lambert-St. Louis International, terminal 1
06:30 , terminal 3
1h 28m
Seasonal
Airbus A319
UA 4439
United Airlines
05:25 Lambert-St. Louis International, terminal 1
06:58 , terminal 2
1h 33m
Seasonal
AA 3741
American Airlines
06:02 Lambert-St. Louis International, terminal 1
07:32 , terminal 3
1h 30m
Seasonal
Embraer EMB 175
AA 1926
American Airlines
07:27 Lambert-St. Louis International, terminal 1
09:00 , terminal 3
1h 33m
Seasonal
Airbus A319
UA 4439
United Airlines
05:15 Lambert-St. Louis International, terminal 1
06:48 , terminal 2
1h 33m
Seasonal
AA 4372
American Airlines
05:07 Lambert-St. Louis International, terminal 1
06:45 , terminal 3
1h 38m
Seasonal
Embraer EMB 175
UA 4439
United Airlines
05:20 Lambert-St. Louis International, terminal 1
06:58 , terminal 2
1h 38m
Seasonal
AA 1926
American Airlines
06:01 Lambert-St. Louis International, terminal 1
07:29 , terminal 3
1h 28m
Seasonal
Airbus A319
UA 3689
United Airlines
07:18 Lambert-St. Louis International, terminal 1
09:01 , terminal 2
1h 43m
Seasonal
Embraer 175
AA 1926
American Airlines
06:00 Lambert-St. Louis International, terminal 1
07:33 , terminal 3
1h 33m
Seasonal
Airbus A319
UA 4447
United Airlines
07:18 Lambert-St. Louis International, terminal 1
09:00 , terminal 2
1h 42m
Seasonal
UA 3512
United Airlines
05:02 Lambert-St. Louis International, terminal 1
06:44 , terminal 2
1h 42m
Seasonal
Embraer 175
UA 1834
United Airlines
07:29 Lambert-St. Louis International, terminal 1
09:00 , terminal 1
1h 31m
Seasonal
Airbus A320
AA 3849
American Airlines
05:05 Lambert-St. Louis International, terminal 1
06:36 , terminal 3
1h 31m
Seasonal
Embraer EMB 175
AA 1926
American Airlines
05:57 Lambert-St. Louis International, terminal 1
07:30 , terminal 3
1h 33m
Seasonal
Boeing 737-800
WN 1304
Southwest Airlines
06:05 Lambert-St. Louis International, terminal 2
07:15 Chicago Midway International
1h 10m
Seasonal
Boeing 737
AA 2997
American Airlines
07:21 Lambert-St. Louis International, terminal 1
08:52 , terminal 3
1h 31m
Seasonal
Airbus A319
WN 1296
Southwest Airlines
05:30 Lambert-St. Louis International, terminal 2
06:40 Chicago Midway International
1h 10m
Seasonal
Boeing 737
WN 3818
Southwest Airlines
05:55 Lambert-St. Louis International, terminal 2
07:05 Chicago Midway International
1h 10m
Seasonal
AA 2717
American Airlines
05:06 Lambert-St. Louis International, terminal 1
06:33 , terminal 3
1h 27m
Seasonal
Airbus A319
WN 2329
Southwest Airlines
05:30 Lambert-St. Louis International, terminal 2
06:40 Chicago Midway International
1h 10m
Seasonal
Boeing 737-800
AA 3730
American Airlines
05:57 Lambert-St. Louis International, terminal 1
07:30 , terminal 3
1h 33m
Seasonal
Embraer 170
UA 1486
United Airlines
06:00 Lambert-St. Louis International, terminal 1
07:25 , terminal 1
1h 25m
Seasonal
Boeing 737-700
AA 1926
American Airlines
07:23 Lambert-St. Louis International, terminal 1
08:50 , terminal 3
1h 27m
Seasonal
Airbus A319
UA 4608
United Airlines
07:33 Lambert-St. Louis International, terminal 1
09:02 , terminal 2
1h 29m
Seasonal
WN 2329
Southwest Airlines
05:40 Lambert-St. Louis International, terminal 2
06:50 Chicago Midway International
1h 10m
Seasonal
Boeing 737-800
UA 4439
United Airlines
05:30 Lambert-St. Louis International, terminal 1
06:58 , terminal 2
1h 28m
Seasonal
UA 4423
United Airlines
06:00 Lambert-St. Louis International, terminal 1
07:31 , terminal 2
1h 31m
Seasonal
UA 1486
United Airlines
07:00 Lambert-St. Louis International, terminal 1
08:27 , terminal 1
1h 27m
Seasonal
Boeing 737-700
WN 4639
Southwest Airlines
05:45 Lambert-St. Louis International, terminal 2
06:50 Chicago Midway International
1h 5m
Seasonal
WN 1254
Southwest Airlines
05:20 Lambert-St. Louis International, terminal 2
06:30 Chicago Midway International
1h 10m
Seasonal
Boeing 737
WN 4639
Southwest Airlines
05:40 Lambert-St. Louis International, terminal 2
06:50 Chicago Midway International
1h 10m
Seasonal
Boeing 737-800
UA 4423
United Airlines
06:40 Lambert-St. Louis International, terminal 1
08:00 , terminal 2
1h 20m
Seasonal
UA 4608
United Airlines
07:30 Lambert-St. Louis International, terminal 1
08:52 , terminal 2
1h 22m
Seasonal
UA 4183
United Airlines
08:00 Lambert-St. Louis International, terminal 1
09:22 , terminal 2
1h 22m
Seasonal
WN 3815
Southwest Airlines
05:40 Lambert-St. Louis International, terminal 2
06:45 Chicago Midway International
1h 5m
Seasonal
Boeing 737
AA 1926
American Airlines
05:51 Lambert-St. Louis International, terminal 1
07:21 , terminal 3
1h 30m
Seasonal
Airbus A319
AA 2444
American Airlines
07:05 Lambert-St. Louis International, terminal 1
08:36 , terminal 3
1h 31m
Seasonal
Boeing 737
WN 2889
Southwest Airlines
05:35 Lambert-St. Louis International, terminal 2
06:40 Chicago Midway International
1h 5m
Seasonal
WN 3385
Southwest Airlines
05:50 Lambert-St. Louis International, terminal 2
06:55 Chicago Midway International
1h 5m
Seasonal
Boeing 737
WN 4783
Southwest Airlines
05:30 Lambert-St. Louis International, terminal 2
06:35 Chicago Midway International
1h 5m
Seasonal
AA 2444
American Airlines
07:00 Lambert-St. Louis International, terminal 1
08:29 , terminal 3
1h 29m
Seasonal
Airbus A319
AA 1926
American Airlines
07:03 Lambert-St. Louis International, terminal 1
08:30 , terminal 3
1h 27m
Seasonal
Airbus A319
WN 3935
Southwest Airlines
05:40 Lambert-St. Louis International, terminal 2
06:55 Chicago Midway International
1h 15m
Seasonal
Boeing 737
WN 1708
Southwest Airlines
05:45 Lambert-St. Louis International, terminal 2
07:00 Chicago Midway International
1h 15m
Seasonal
WN 3935
Southwest Airlines
05:45 Lambert-St. Louis International, terminal 2
07:00 Chicago Midway International
1h 15m
Seasonal
Boeing 737
WN 3935
Southwest Airlines
05:30 Lambert-St. Louis International, terminal 2
06:45 Chicago Midway International
1h 15m
Seasonal
Boeing 737
AA 1926
American Airlines
06:55 Lambert-St. Louis International, terminal 1
08:23 , terminal 3
1h 28m
Seasonal
Airbus A319

Days of the week are taken from the schedule for the next 14 days; schedules change by season. The search shows seat availability and the price for your date.

Airlines flying St Louis to Chicago

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

American Airlines30 a week United Airlines14 a week Southwest Airlines8 a week

Airports

Where flights from St Louis to Chicago depart and land

Departure from St Louis

Lambert-St. Louis International STL

52 flights a week, terminals 1, 2, 12 mi (19 km) from the city centre

About the airport

Arrival in Chicago

Chicago Midway International MDW

8 flights a week, 9 mi (14 km) from the city centre

About the airport

When to visit Chicago

Weather by month

Best time to visit: May, June, July, August, September and October, +18° to +27° by day. In November it is +10° by day and +2° at night, with 7 rainy days.

Jan
0° −7° 10 days
Feb
+2° −6° 7 days
Mar
+9° 0° 12 days
Apr
+14° +5° 13 days
May
+19° +10° 11 days
Jun
+27° +17° 9 days
Jul
+27° +19° 12 days
Aug
+27° +19° 10 days
Sep
+24° +16° 7 days
Oct
+18° +10° 11 days
Nov
+10° +2° 7 days
Dec
+4° −3° 10 days

Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from St Louis to Chicago?
A nonstop flight takes 1 hour 28 minutes on average, from 1h 5m to 1h 43m depending on the flight.
How far is Chicago from St Louis?
262 mi (422 km) in a straight line between the cities.
Which airlines fly nonstop from St Louis to Chicago?
American Airlines (30 a week), United Airlines (14 a week) and Southwest Airlines (8 a week).
How many flights a day are there from St Louis to Chicago?
6 flights today and 52 a week, about 7.4 a day on average.
When are the first and last flights from St Louis to Chicago?
The first departure is at 05:00 (AA3012), the last at 07:30 (UA2414). Local time.
What is the cheapest month to fly from St Louis to Chicago?
January 2027: tickets from $72. The most expensive is November 2026, from $80.
What is the cheapest upcoming date to fly from St Louis to Chicago?
9 January 2027 (Saturday): from $72 one way, nonstop, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from St Louis to Chicago?
Southwest Airlines: nonstop tickets from $72 on 9 January by recent searches. Prices change daily, so compare the sellers in the search.
Which St Louis airport do flights to Chicago leave from?
Lambert-St. Louis International (52 a week).