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Cheap flights from Chicago to St Louis (CHI - STL)

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The best prices from Chicago to St Louis are usually found in May or July, booked 46 days in advance, depart on a Saturday or Thursday and return on a Monday

CHI - STL
Price
$253 - $301
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches
Popular in March High demand for flights, 10% potential price rise
Cheapest in May Best time to find cheap flights, 6% potential price drop
Average price $271 Average for round-trip flights in April 2020
Round-trip from $253 From Chicago to St Louis

Cheap flights from Chicago to St Louis in April 2020

The best prices found for ORD to STL flights for April
29 Apr - 30 Apr
$90pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
11 Apr - 14 Apr
$97pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
11 Apr - 14 Apr
$106pp
MDW
Chicago Midway
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
MDW
Chicago Midway

Chicago to St Louis 2020 flight deals

Cheap flights to St Louis from Chicago found for this year
7 May - 11 May
$97pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
22 Aug - 23 Aug
$99pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
6 May - 9 May
$101pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to St Louis from Chicago

Save time with Chicago to St Louis direct flight deals
29 Apr - 30 Apr
$90pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
7 May - 11 May
$97pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
22 May - 25 May
$140pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Chicago to St Louis

Late deals on round-trip flights to St Louis from Chicago, departing today and this week
3 Apr - 6 Apr
$147pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
4 Apr - 5 Apr
$156pp
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
1 STOP
ORD
Chicago O'Hare Intl
2 Apr - 3 Apr
$159pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to St Louis from Chicago

The cheapest one-way flights from Chicago to St Louis
10:48 am - 12:45 pm
Linear Air Taxi
Nonstop
1h 57m
MDW - STL
Linear Air Taxi
$2981
FlightNetwork
10:48 am - 12:45 pm
Linear Air Taxi
Nonstop
1h 57m
MDW - STL
Linear Air Taxi
$2994
FlyFar
3:48 am - 5:45 am
Linear Air Taxi
Nonstop
1h 57m
MDW - STL
Linear Air Taxi
$2995
FlyFar

Alternative routes for Chicago to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Chicago to St Louis
Flight duration
1h 22m
Average temperature for April in St Louis
69.8 °F
Avg rainfall for April in St Louis
4.1 ″

Airports servicing Chicago

Chicago-O'Hare Intl (ORD)
Rockford (RFD)

Airports servicing St. Louis

Weekly flight availability
from Chicago to St Louis
Sunday
56 daily flights
Monday
70 daily flights
Tuesday
68 daily flights
Wednesday
66 daily flights
Thursday
70 daily flights
Friday
72 daily flights
Saturday
50 daily flights

Related info for your journey

Useful info, stats and facts about Chicago to St Louis flights.

Flight FAQs

From Chicago to St Louis

Are flight prices decreasing from Chicago to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Are there nonstop flights from Chicago to St Louis for under $100 on Cheapflights?

Cheapflights has 3 direct flights from Chicago to St Louis under $100. A good price for a nonstop flight from Chicago to St Louis is less than $111.

Are there last-minute flights available from Chicago to St Louis for under $100?

There are currently just 3 open flights from Chicago to St Louis within the next 7 days for less than $100.

What days are nonstop flights available from Chicago to St Louis?

Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

This flight path from Chicago to Lambert-St Louis was viewed by 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Airlines departing from Chicago to St Louis can be delayed by up to 52min. or more hours.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for American Airlines Inc., as currently they have the cheapest options available from Chicago to St Louis. On average you can find 198 flights for this flight path daily.

How long does the flight from Chicago to St Louis take?

Your journey will take you approximately 2 hours. Your flight will cover a distance of about 157 miles.

How many flights depart from Chicago to St Louis on average per day?

Travelers can expect 127 flights from Chicago to Lambert-St Louis on average per day.
Early Morning (Midnight to 6am) - 6% of flight departures
Morning (6am - Noon) - 20% of flight departures
Afternoon (Noon - 6pm) - 43% of flight departures
Evening (6pm - Midnight) - 31% of flight departures

Is Chicago weather warmer or cooler than St Louis?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in St Louis is typically hotter than in Chicago. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.