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Flights Chicago – St Louis (Lambert-St. Louis), Southwest Airlines

1 passenger, economy

Flight schedule Chicago – St Louis (Lambert-St. Louis), Southwest Airlines

Compare prices, duration and stops

Southwest Airlines
WN 3877 Best price
15:10
Chicago, Chicago Midway International Airport (MDW)
Wed, 30 sep
1h 10min
Direct
16:20
St Louis, Lambert-St. Louis (STL)
Wed, 30 sep
$59
Southwest Airlines
WN 2779
01:50
Chicago, Chicago Midway International Airport (MDW)
Wed, 14 oct
1h 15min
Direct
03:05
St Louis, Lambert-St. Louis (STL)
Wed, 14 oct
$136
Southwest Airlines
WN 806
16:05
Chicago, Chicago Midway International Airport (MDW)
Thu, 29 oct
1h 10min
Direct
17:15
St Louis, Lambert-St. Louis (STL)
Thu, 29 oct
$133
Southwest Airlines
WN 2015
11:05
Chicago, Chicago Midway International Airport (MDW)
Sat, 31 oct
1h 10min
Direct
12:15
St Louis, Lambert-St. Louis (STL)
Sat, 31 oct
$136
Southwest Airlines
WN 459
17:10
Chicago, Chicago Midway International Airport (MDW)
Fri, 6 nov
1h 10min
Direct
18:20
St Louis, Lambert-St. Louis (STL)
Fri, 6 nov
$132
Southwest Airlines
WN 2737
17:30
Chicago, Chicago Midway International Airport (MDW)
Mon, 14 dec
1h 10min
Direct
18:40
St Louis, Lambert-St. Louis (STL)
Mon, 14 dec
$60
Southwest Airlines
WN 2769
01:50
Chicago, Chicago Midway International Airport (MDW)
Thu, 14 jan
1h 15min
Direct
03:05
St Louis, Lambert-St. Louis (STL)
Thu, 14 jan
$119
Southwest Airlines
WN 800
16:05
Chicago, Chicago Midway International Airport (MDW)
Wed, 10 feb
1h 15min
Direct
17:20
St Louis, Lambert-St. Louis (STL)
Wed, 10 feb
$119

Low price calendar

September 2026
Price chart (September 2026)
min: $59 · max: $172
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$95
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Good deal
$72
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$162
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$74
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$172
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$110
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Good deal
$59

Popular Southwest Airlines flights Chicago – St Louis (Lambert-St. Louis)

All →
Flight Departure days Price from
WN3877 Wed $59
WN2737 Mon $60
WN2769 Thu $119
WN800 Wed $119
WN459 Fri $132
WN806 Thu $133
WN2015 Sat $136
WN2779 Wed $136

Popular destinations from Chicago

All →
CHI
Chicago — Orlando
United States → United States
ORL
from
$21
CHI
Chicago — Orlando
United States → United States
MCO
from
$21
CHI
Chicago — Atlanta
United States → United States
ATL
from
$22
CHI
Chicago — Houston
United States → United States
IAH
from
$22
CHI
Chicago — Houston
United States → United States
HOU
from
$22
CHI
Chicago — New York
United States → United States
NYC
from
$23
CHI
Chicago — Denver
United States → United States
DEN
from
$24
CHI
Chicago — Fort Lauderdale
United States → United States
FLL
from
$24
CHI
Chicago — Miami
United States → United States
MIA
from
$25

Popular destinations to St Louis

All →
DEN
Denver — St Louis
United States → United States
STL
from
$40
MSP
Minneapolis — St Louis
United States → United States
STL
from
$50
MIA
Miami — St Louis
United States → United States
STL
from
$68
BNA
Nashville — St Louis
United States → United States
STL
from
$71
HOU
Houston — St Louis
United States → United States
STL
from
$77
PHL
Philadelphia — St Louis
United States → United States
STL
from
$77
DFW
Dallas — St Louis
United States → United States
STL
from
$88
NYC
New York — St Louis
United States → United States
STL
from
$91

Flight statistics Chicago – St Louis (Lambert-St. Louis), Southwest Airlines

We gathered interesting facts about the flight for you

Cheapest flight

WN 3877

$59

Fastest flight

WN 3877

1h 10min

Average time

1h 11min

Distance

9 748 km

Passenger reviews

No reviews for this route yet

Other airlines Chicago – St Louis (Lambert-St. Louis)

American Airlines
American Airlines
Tue, Thu, Fri, Sat
Price from
$61
Frontier Airlines
Frontier Airlines
Mon, Wed, Fri, Sat, Sun
Price from
$72
Allegiant Air
Allegiant Air
Sun
Price from
$145
United Airlines
United Airlines
Tue, Sun
Price from
$193
Contour Airlines
Contour Airlines
Thu
Price from
$215

Internet abroad

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15

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Frequently Asked Questions

The cheapest Southwest Airlines ticket Chicago – St Louis costs $59, flight WN3877, departing at 15:10.
The fastest Southwest Airlines flight Chicago – St Louis takes 1h 10min, flight WN3877, departing at 15:10.
The earliest Southwest Airlines flight Chicago – St Louis(WN3877)departs at 15:10.