Find a great deal and save up to 55% 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 $183.
May can be a great time to fly to Illinois from St. Louis with a flight ticket averaging about $234. Cheapflights users have found deals in the month of May for as cheap as $90. The most expensive prices can be found in the month of March.
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 - $165
Route
Depart
Return
Price
Lambert-St LouisQuincy Regional
STL - UIN
STLUIN
Lambert-St Louis
Wed 8/21
Nonstop0h 50m
Quincy Regional
Wed 8/28
Nonstop0h 50m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Mon 10/21
1 stop4h 10m
Chicago O'Hare Intl
Wed 10/23
1 stop14h 05m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Thu 8/15
1 stop6h 11m
Chicago O'Hare Intl
Sun 8/18
1 stop6h 16m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Thu 8/22
Nonstop1h 23m
Chicago O'Hare Intl
Sun 8/25
Nonstop1h 22m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Thu 8/15
1 stop14h 19m
Chicago O'Hare Intl
Mon 8/19
1 stop23h 06m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Sat 8/24
Nonstop1h 31m
Chicago O'Hare Intl
Sat 8/31
Nonstop1h 19m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Wed 8/21
1 stop4h 10m
Chicago O'Hare Intl
Wed 8/28
3 stops23h 27m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Wed 8/21
2 stops15h 05m
Chicago O'Hare Intl
Wed 8/28
3 stops23h 27m
Lambert-St LouisChicago O'Hare Intl
STL - ORD
STLORD
Lambert-St Louis
Thu 8/15
Nonstop1h 23m
Chicago O'Hare Intl
Mon 8/19
1 stop11h 30m
No data available for this route at this time. Please check back soon.
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Boarding
Crew
Overall
Food
Comfort
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$117 | Average$260 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$119 | Average$169 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$126 | Average$292 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$238 | Average$300 | FlexibilityNo cancel fee | On-timeN/A |
2%of flight departures | Early morningMidnight to 6 am |
---|---|
44%of flight departures | Morning6 am to noon |
44%of flight departures | AfternoonNoon to 6 pm |
10%of flight departures | Evening6 pm to midnight |