Round-trip from | $77 (Southwest) |
---|---|
One-way from | $46 (American Airlines) |
Popular in | July |
Cheapest in | September |
Average price | $361 |
Good round-trip deal | $151 or less |
Good one-way deal | $106 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Thu 8/14
11:45 am-12:55 pm
Nonstop1h 10m
Lambert-St Louis
Mon 8/18
11:50 am-12:55 pm
Nonstop1h 05m
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Thu 8/14
2:23 pm-3:47 pm
Nonstop1h 24m
Lambert-St Louis
Mon 8/18
8:00 am-9:25 am
Nonstop1h 25m
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Thu 9/18
10:34 pm-11:48 pm
Nonstop1h 14m
Lambert-St Louis
Tue 10/7
2:15 pm-3:38 pm
Nonstop1h 23m
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Thu 8/14
5:45 pm-10:35 pm
1 stop4h 50m
Lambert-St Louis
Mon 8/18
3:55 pm-9:30 pm
1 stop5h 35m
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Fri 9/5
8:15 am-12:00 pm
1 stop3h 45m
Lambert-St Louis
Fri 9/12
9:20 am-4:19 pm
1 stop6h 59m
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Sat 9/20
9:20 am-4:14 pm
1 stop6h 54m
Lambert-St Louis
Sat 10/4
3:55 pm-9:10 pm
1 stop5h 15m
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Fri 8/22
5:45 am-9:57 am
1 stop4h 12m
Lambert-St Louis
Wed 8/27
6:40 am-12:45 pm
1 stop6h 05m
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Tue 7/29
11:28 am-11:47 pm
1 stop12h 19m
Lambert-St Louis
Sun 8/3
2:36 pm-12:22 am
1 stop9h 46m
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Thu 8/14
2:23 pm-3:47 pm
Nonstop1h 24m
Lambert-St Louis
Mon 8/18
1:00 pm-4:32 pm
1 stop3h 32m
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Thu 8/7
6:20 am-1:34 pm
1 stop7h 14m
Lambert-St Louis
Sun 8/10
2:36 pm-11:17 pm
1 stop8h 41m
Currently, August is the cheapest month in which you can book a flight from Illinois to St. Louis (average of $311). Flying from Illinois to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to St. Louis as you normally would.
The most flights from USIL to STL are scheduled on a Thursday (71 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (46 on average).
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
John,May 2025
PVD - BNA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$115 | Average$268 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$116 | Average$328 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$118 | Average$212 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$152 | Average$321 | FlexibilityNo cancel fee | On-time69% |