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 $244. 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 - $197
Route
Depart
Return
Price
Lambert-St LouisQuincy Regional
STL - UIN
STLUIN
Lambert-St Louis
Tue 7/30
Nonstop0h 50m
Quincy Regional
Thu 8/1
Nonstop0h 50m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Wed 6/19
Nonstop1h 22m
Chicago O'Hare Intl
Sat 6/22
Nonstop1h 17m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Sat 6/29
Nonstop1h 22m
Chicago O'Hare Intl
Mon 7/1
Nonstop1h 17m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Mon 6/24
1 stop3h 35m
Chicago O'Hare Intl
Thu 6/27
1 stop23h 35m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Wed 6/19
Nonstop1h 34m
Chicago O'Hare Intl
Sat 6/22
Nonstop1h 24m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Thu 6/6
1 stop14h 40m
Chicago O'Hare Intl
Mon 6/10
2 stops17h 26m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Tue 8/6
1 stop4h 09m
Chicago O'Hare Intl
Sat 8/10
2 stops9h 57m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Tue 8/27
2 stops26h 34m
Chicago O'Hare Intl
Thu 9/12
2 stops24h 49m
Lambert-St LouisChicago Midway
STL - MDW
STLMDW
Lambert-St Louis
Mon 6/24
Nonstop1h 10m
Chicago Midway
Thu 6/27
Nonstop1h 10m
No data available for this route at this time. Please check back soon.
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Crew
Food
Entertainment
Overall
Comfort
Boarding
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
16%of flight departures | Early morningMidnight to 6 am |
---|---|
48%of flight departures | Morning6 am to noon |
36%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
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