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 - $191
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
Sat 6/29
Nonstop1h 22m
Chicago O'Hare Intl
Mon 7/1
Nonstop1h 13m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Fri 8/9
1 stop19h 40m
Chicago O'Hare Intl
Sat 8/10
1 stop14h 05m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Wed 7/3
1 stop3h 35m
Chicago O'Hare Intl
Tue 8/27
2 stops22h 50m
Lambert-St LouisChicago Midway
STL - MDW
STLMDW
Lambert-St Louis
Sat 9/21
1 stop4h 19m
Chicago Midway
Sat 9/28
1 stop5h 20m
Lambert-St LouisChicago Midway
STL - MDW
STLMDW
Lambert-St Louis
Mon 7/8
1 stop17h 10m
Chicago Midway
Wed 7/10
1 stop6h 13m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Mon 7/22
Nonstop1h 34m
Chicago O'Hare Intl
Wed 7/24
Nonstop1h 20m
Lambert-St LouisChicago Midway
STL - MDW
STLMDW
Lambert-St Louis
Mon 6/24
Nonstop1h 05m
Chicago Midway
Wed 6/26
Nonstop1h 10m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Sat 9/7
2 stops15h 37m
Chicago O'Hare Intl
Sat 9/14
1 stop11h 15m
No data available for this route at this time. Please check back soon.
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Entertainment
Overall
Crew
Comfort
Boarding
Food
Reviews
Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Southern / Mokulele | Cheapest$110 | Average$171 | FlexibilityNo cancel fee | On-timeN/A |
United Airlines | Cheapest$121 | Average$291 | FlexibilityNo cancel fee | On-time69% |
American Airlines | Cheapest$127 | Average$266 | FlexibilityNo cancel fee | On-time71% |
Delta | Cheapest$238 | Average$300 | FlexibilityNo cancel fee | On-timeN/A |
8%of flight departures | Early morningMidnight to 6 am |
---|---|
41%of flight departures | Morning6 am to noon |
50%of flight departures | AfternoonNoon to 6 pm |
1%of flight departures | Evening6 pm to midnight |