Cheap flights from St. Louis to Chicago

Round-trip
Economy
St. Louis (STL)
Chicago (CHI)
Wed 8/12
Wed 8/19
Any month
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Flight information for St. Louis to Chicago
(STL to CHI)

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Chicago
Best Price Found $97 The best flight deal from St. Louis to Chicago found on momondo in the last 72 hours is $97
Fastest flight time 1h 15m The fastest flight from St. Louis to Chicago takes 1h 15m.
Direct flights None There are no direct flights from St. Louis to Chicago. Popular non-direct routes for this connection are Lambert-St Louis - Chicago Midway and Lambert-St Louis - Chicago O'Hare Intl.
Airports in Chicago 3 airports There are 3 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Chicago Greater Rockford (RFD)

How to get the cheapest flight ticket from St. Louis to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Chicago?
July
The cheapest time of year to fly to Chicago from St. Louis is July. Most expensive is December
What is the cheapest day to fly to Chicago?
Monday
The cheapest day of the week is typically Monday. The most expensive is typically Sunday
When is the cheapest time to fly to Chicago?
at noon
St. Louis to Chicago flights are approximately 8% more expensive in the afternoon than at noon
What is the cheapest airline that flies to Chicago?
Cape Air
Cape Air, Air Choice One, and United Airlines are the most popular carriers operating from St. Louis to Chicago
What is the cheapest route?
Lambert-St Louis - Chicago O'Hare Intl
Fly from Lambert-St Louis to Chicago O'Hare Intl for the best St. Louis - Chicago flight prices
When is the cheapest time to book a flight to Chicago?
55 days before
The cheapest time to buy a flight from St. Louis to Chicago is approximately 55 days to departure
60
Days before departure
0

Easily compare round-trip flights from St. Louis to Chicago

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from St. Louis to Chicago by changing tabs
Cheapest
Best
Quickest
Multiple Airlines
Oct 31
STL
Lambert-St Louis
1h 12m
ORD
Chicago O'Hare Intl
Nov 19
ORD
Chicago O'Hare Intl
1h 20m
STL
Lambert-St Louis
Delta
Sep 14
STL
Lambert-St Louis
4h 21m
1 stop
ORD
Chicago O'Hare Intl
Sep 22
ORD
Chicago O'Hare Intl
3h 53m
1 stop
STL
Lambert-St Louis
Sun Country Air
Jul 10
STL
Lambert-St Louis
5h 21m
1 stop
ORD
Chicago O'Hare Intl
Jul 12
ORD
Chicago O'Hare Intl
16h 44m
1 stop
STL
Lambert-St Louis

Find the cheapest one-way flights from St. Louis to Chicago

If you're looking for one-way flights from St. Louis to Chicago, view some of our deals below provided by Delta
Cheapest
Best
Quickest
Delta
Sep 10
STL
Lambert-St Louis
4h 21m
1 stop
ORD
Chicago O'Hare Intl
Sun Country Air
Jul 6
STL
Lambert-St Louis
5h 21m
1 stop
ORD
Chicago O'Hare Intl
Air Choice One
Aug 7
STL
Lambert-St Louis
10h 40m
1 stop
ORD
Chicago O'Hare Intl

Alternative routes for St. Louis to Chicago

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Kansas City to Chicago Flights
Fastest flight time
4h 19m
Cheapest price
$97
Cape Girardeau to Chicago Flights
Fastest flight time
1h 54m
Cheapest price
$3,514

Flights from St. Louis to:

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  • First