Find a great deal and save up to 57% by booking at least 41 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Illinois within the next two weeks, with the cheapest ticket starting at $180.
April can be a great time to fly to Illinois from St. Louis with a flight ticket averaging about $245. Cheapflights users have found deals in the month of April for as cheap as $106. The most expensive prices can be found in the month of July.
When flying from St. Louis to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$88 - $239
Route
Depart
Return
Price
Lambert-St LouisQuincy Regional
STL - UIN
STLUIN
Lambert-St Louis
Tue 7/30
Nonstop0h 50m
Quincy Regional
Fri 8/2
Nonstop0h 50m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Thu 5/30
Nonstop1h 17m
Chicago O'Hare Intl
Fri 5/31
Nonstop1h 23m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Tue 6/18
Nonstop1h 22m
Chicago O'Hare Intl
Wed 7/3
Nonstop1h 13m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Wed 6/12
Nonstop1h 22m
Chicago O'Hare Intl
Wed 6/19
Nonstop1h 13m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Tue 6/4
1 stop8h 35m
Chicago O'Hare Intl
Thu 6/6
2 stops12h 08m
Lambert-St LouisChicago Midway
STL - MDW
STLMDW
Lambert-St Louis
Sat 9/14
1 stop5h 25m
Chicago Midway
Sat 10/5
1 stop4h 31m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Tue 6/4
1 stop8h 35m
Chicago O'Hare Intl
Thu 6/6
1 stop4h 10m
Lambert-St LouisChicago Midway
STL - MDW
STLMDW
Lambert-St Louis
Sat 9/14
1 stop11h 01m
Chicago Midway
Sat 10/5
1 stop11h 19m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Thu 6/27
Nonstop1h 34m
Chicago O'Hare Intl
Mon 7/1
Nonstop1h 20m
No data available for this route at this time. Please check back soon.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Comfort
Overall
Boarding
Crew
Entertainment
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
19%of flight departures | Early morningMidnight to 6 am |
---|---|
56%of flight departures | Morning6 am to noon |
25%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
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