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

1 passenger, economy

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

Compare prices, duration and stops

Frontier Airlines
F9 2292
11:25
Chicago, Чикаго-Мидвей (MDW)
Fri, 18 sep
6h 45min
1 stop
18:10
St Louis, Lambert-St. Louis (STL)
Fri, 18 sep
145 $
Frontier Airlines
F9 1483
11:30
Chicago, О'Хара (ORD)
Sat, 19 sep
12h 47min
1 stop
00:17
St Louis, Lambert-St. Louis (STL)
Sun, 20 sep +1
149 $
Frontier Airlines
F9 1596
15:26
Chicago, О'Хара (ORD)
Sun, 20 sep
26h 44min
1 stop
18:10
St Louis, Lambert-St. Louis (STL)
Mon, 21 sep +1
95 $
Frontier Airlines
F9 2292 Best price
11:25
Chicago, Чикаго-Мидвей (MDW)
Mon, 21 sep
6h 45min
1 stop
18:10
St Louis, Lambert-St. Louis (STL)
Mon, 21 sep
72 $
Frontier Airlines
F9 1596
11:20
Chicago, О'Хара (ORD)
Wed, 23 sep
6h 50min
1 stop
18:10
St Louis, Lambert-St. Louis (STL)
Wed, 23 sep
74 $
Frontier Airlines
F9 1483
11:30
Chicago, О'Хара (ORD)
Sat, 26 sep
12h 47min
1 stop
00:17
St Louis, Lambert-St. Louis (STL)
Sun, 27 sep +1
110 $
Frontier Airlines
F9 2292
11:25
Chicago, Чикаго-Мидвей (MDW)
Sun, 27 sep
30h 45min
1 stop
18:10
St Louis, Lambert-St. Louis (STL)
Mon, 28 sep +1
144 $
Frontier Airlines
F9 1442
00:28
Chicago, О'Хара (ORD)
Mon, 28 sep
17h 42min
1 stop
18:10
St Louis, Lambert-St. Louis (STL)
Mon, 28 sep
95 $
Frontier Airlines
F9 1596
15:26
Chicago, О'Хара (ORD)
Fri, 30 oct
7h 14min
1 stop
22:40
St Louis, Lambert-St. Louis (STL)
Fri, 30 oct
125 $
Frontier Airlines
F9 1596
16:26
Chicago, О'Хара (ORD)
Mon, 2 nov
7h 14min
1 stop
23:40
St Louis, Lambert-St. Louis (STL)
Mon, 2 nov
113 $
Frontier Airlines
F9 1483
12:30
Chicago, О'Хара (ORD)
Fri, 6 nov
12h 44min
1 stop
01:14
St Louis, Lambert-St. Louis (STL)
Sat, 7 nov +1
85 $

Low price calendar

September 2026
Price chart (September 2026)
min: 59 $ · max: 172 $
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Tue
Wed
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Fri
Sat
Sun
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164 $
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145 $
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149 $
20
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95 $
21
Good deal
72 $
22
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162 $
23
Good deal
74 $
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172 $
25
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26
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110 $
27
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145 $
28
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95 $
29
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30
Good deal
59 $

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

All →
Flight Departure days Price from
F92292 MonFriSun $72
F91596 MonWedFriSun $74
F91483 FriSat $85
F91442 Mon $95

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), Frontier Airlines

We gathered interesting facts about the flight for you

Cheapest flight

F9 2292

$72

Fastest flight

F9 2292

6h 45min

Average time

13h 28min

Distance

9 748 km

Passenger reviews

No reviews for this route yet

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

Southwest Airlines
Southwest Airlines
Mon, Wed, Thu, Fri, Sat
Price from
$60
American Airlines
American Airlines
Tue, Thu, Fri, Sat
Price from
$61
Allegiant Air
Allegiant Air
Sun
Price from
$145
Contour Airlines
Contour Airlines
Thu
Price from
$215
United Airlines
United Airlines
Tue
Price from
$219

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Frequently Asked Questions

The cheapest Frontier Airlines ticket Chicago – St Louis costs $72, flight F92292, departing at 11:25.
The fastest Frontier Airlines flight Chicago – St Louis takes 6h 45min, flight F92292, departing at 11:25.
The earliest Frontier Airlines flight Chicago – St Louis (F92292) departs at 11:25.