Cheap Flight Tickets from Chicago (ORD) to St Louis (STL), Starting at $186

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

$269

DL Delta Airlines • 1 stop • 10h 44m

Oct 15 – Oct 18

The cheapest round trip flight from Chicago to St Louis (ORD-STL-ORD) is currently $269

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Cheapest Direct Flight

$186

WN Southwest Airlines • nonstop • 1h 50m

Oct 15

The cheapest nonstop flight from Chicago to St Louis (ORD-STL) is currently $186

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Fastest Flight

1h 50m

The fastest nonstop flight from Chicago to St Louis (ORD-STL) takes 1h 50m

Top Airlines Flying from Chicago to St Louis

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska 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.

Oct 15 - Oct 18, Economy
DL
Chicago → St Louis
10h 44m
9:59 AM - 4:43 PM • 1 stop
DL
Chicago → St Louis
5h 42m
6:47 AM - 10:29 AM • 1 stop
$269
Delta Airlines
Oct 15 - Oct 18, Economy
AS
Chicago → St Louis
29h 19m
6:00 AM - 11:59 PM • 1 stop
AS
Chicago → St Louis
27h 37m
7:02 AM - 11:59 PM • 1 stop
$355
Alaska Airlines
Oct 15 - Oct 18, Economy
UA
Chicago → St Louis
2h 12m
12:45 PM - 2:17 PM • nonstop
DL
Chicago → St Louis
9h 12m
2:38 PM - 8:30 PM • 1 stop
$628
United Airlines
Oct 15 - Oct 18, Economy
AS
Chicago → St Louis
24h 19m
9:00 AM - 11:59 PM • 1 stop
AS
Chicago → St Louis
20h 28m
5:40 AM - 6:08 PM • 2 stops
$4569
Alaska Airlines
Oct 15 - Oct 18, Economy
AS
Chicago → St Louis
29h 10m
8:40 PM - 2:30 PM • 2 stops
AS
Chicago → St Louis
26h 52m
3:20 PM - 7:32 AM • 2 stops
$8871
Alaska Airlines
Oct 15 - Oct 18, Economy
AS
Chicago → St Louis
35h 40m
8:40 PM - 6:20 PM • 2 stops
AS
Chicago → St Louis
26h 52m
3:20 PM - 7:32 AM • 2 stops
$8871
Alaska 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 6:00 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 AS : USD 8871
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 8:40 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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