Cheap Flight Tickets from Chicago (ORD) to St Louis (STL), Starting at $277

Good to Know: Cheapest and Fastest ORD - STL Flights

Useful information for finding best airline tickets from Chicago O'Hare International to Lambert St Louis International on your next trip.

Cheapest Round Trip Flight

$527

WN Southwest Airlines • nonstop • 2h 5m

Nov 07 – Nov 11

The cheapest round trip flight from Chicago to St Louis (ORD-STL-ORD) is currently $527

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Cheapest Direct Flight

$277

AA American Airlines • nonstop • 2h

Nov 07

The cheapest nonstop flight from Chicago to St Louis (ORD-STL) is currently $277

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Fastest Flight

1h 55m

The fastest nonstop flight from Chicago to St Louis (ORD-STL) takes 1h 55m

Top Airlines Flying from Chicago to St Louis

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

American Airlines, AA

American Airlines

Latest Flight Deals from Chicago (ORD) to St Louis (STL)

Compare and book low fare round-trip air tickets from Chicago to St Louis. Ideal for travelers with confirmed return itineraries.

Nov 07 - Nov 11, Economy
WN
Chicago → St Louis
2h 5m
6:15 PM - 7:40 PM • nonstop
WN
Chicago → St Louis
1h 45m
2:25 PM - 3:30 PM • nonstop
$527
Southwest Airlines
Nov 07 - Nov 11, Economy
DL
Chicago → St Louis
10h 39m
9:59 AM - 4:38 PM • 1 stop
DL
Chicago → St Louis
5h 39m
10:20 AM - 1:59 PM • 1 stop
$544
Delta Airlines
Nov 07 - Nov 11, Economy
DL
Chicago → St Louis
10h 50m
6:30 AM - 1:20 PM • 1 stop
DL
Chicago → St Louis
5h 39m
10:20 AM - 1:59 PM • 1 stop
$544
Delta Airlines
Nov 07 - Nov 11, Economy
DL
Chicago → St Louis
6h 58m
6:20 AM - 10:38 AM • 1 stop
DL
Chicago → St Louis
5h 39m
10:20 AM - 1:59 PM • 1 stop
$644
Delta Airlines
Nov 07 - Nov 11, Economy
DL
Chicago → St Louis
6h 48m
12:30 PM - 4:38 PM • 1 stop
DL
Chicago → St Louis
5h 39m
10:20 AM - 1:59 PM • 1 stop
$644
Delta Airlines
Nov 07 - Nov 11, Economy
F9
Chicago → St Louis
20h 44m
6:30 AM - 7:14 PM • 1 stop
9X
Chicago → St Louis
35h 40m
2:00 PM - 11:40 AM • 3 stops
$658
Frontier Airlines

Fly from Chicago to St Louis with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Chicago to St Louis? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Chicago to St Louis Flights

What are the airports in Chicago?
MDW,ORD
What’s the most popular airline flying from ORD to STL?
The most popular airline flying from Chicago to St Louis are
Can I fly from ORD to STL non-stop?
Yes, you can fly ORD to STL non-stop on
Which airlines fly nonstop between Chicago and St Louis?
The non-stop flights between Chicago and St Louis are .
What’s the earliest departure time from ORD to STL Airport?
The earliest flight leaves ORD at 6:20 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Chicago to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ORD to STL?
Read the fare rules of the Chicago to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Chicago and St Louis?
operate flights between Chicago and St Louis
How long does a flight from Chicago to St Louis take?
It takes approximately 1 hour to fly non-stop from ORD to STL, which is 258.03 miles by air.
Which airlines provide the cheapest flights from Chicago (ORD) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from ORD were found on F9 : USD 658
Do I need a passport to fly between ORD and STL?
No
What’s the latest departure time from ORD to STL ?
The last flight leaves ORD at 10:39 pm

Chicago (ORD) to St Louis (STL): Airport Information

Origin Airport Chicago O'Hare International , Chicago, US
Destination Airport Lambert St Louis International , St Louis, US
Distance 258 miles

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