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Chicago To St Louis Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

August
September
October
November
December
January
February
March
April

August is by far the best month, wherein you can get cheapest flights for Chicago to St Louis. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From Chicago To St Louis

Cheapest
United Airlines
United Airlines

ORD

13:05

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

01h 28m
ellipse
Non Stop

STL

14:33

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£77
Southern Airways Express
Southern Airways Express

ORD

08:15

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

03h 55m
ellipse
1 Stop

STL

12:10

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£130
American Airlines
American Airlines

ORD

11:48

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

01h 24m
ellipse
Non Stop

STL

13:12

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£133
Delta Airlines
Delta Airlines

ORD

09:10

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

04h 10m
ellipse
1 Stop

STL

13:20

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£145
Delta Airlines
Delta Airlines

ORD

07:05

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

07h 32m
ellipse
1 Stop

STL

14:37

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£183
Alaska Airlines
Alaska Airlines

ORD

08:00

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

09h 34m
ellipse
1 Stop

STL

17:34

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£762
Southern Airways Express
Southern Airways Express

ORD

13:10

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

03h 35m
ellipse
1 Stop

STL

16:45

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£1194
American Airlines
American Airlines

ORD

14:55

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

05h 27m
ellipse
1 Stop

STL

20:22

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£1290
American Airlines
American Airlines

ORD

22:34

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

01h 17m
ellipse
Non Stop

STL

23:51

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£1341
United Airlines
United Airlines

ORD

14:20

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

01h 24m
ellipse
Non Stop

STL

15:44

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£1341
Delta Airlines
Delta Airlines

ORD

14:00

Chicago

Chicago O Hare International Airport

Fri , 29 Aug 2025

05h 01m
ellipse
1 Stop

STL

19:01

St Louis

St Louis Lambert International Airport

Fri, 29 Aug 2025

£1355
ellipse

Early Morning Flight Chicago to St Louis

wallet
Cheapest Flight
Found
£183
group
Average Flight
Time
07h 32m
calendra
Date/Time
29 Aug 2025
07:05 AM
plane
Airlines
Delta Airlines
Ellipse

Late Night Flight Chicago to St Louis

wallet
Cheapest Flight
Found
£1290
group
Average Flight
Time
05h 27m
calendar
Date/Time
29 Aug 2025
14:55 PM
plane
Airlines
American Airlines

Flights from Chicago to St Louis with Easemytrip

Flying from Chicago to St Louis has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between Chicago to St Louis is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Chicago O Hare International Airport (ORD) and St Louis Lambert International Airport (STL). You can expect a flight distance of approximately 415 km, and most direct services cover it in around 04:04.

Let’s take a closer look at everything you need to know before booking your flight from Chicago to St Louis.

Travel Overview: Chicago to St Louis

Flight Details Information
Route Distance 415 km
Average Flight Time 04:04 hrs
Departure Airport Chicago O Hare International Airport (ORD)
Arrival Airport St Louis Lambert International Airport (STL)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights YES
Common Airlines United Airlines, Southern Airways Express, American Airlines, Delta Airlines

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

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FAQs about flights from Chicago to St Louis

Are there direct flights from Chicago to St Louis?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?