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Uncover the best deals on St Louis to Chicago flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - ORD Flights
Useful information for finding best airline tickets from Lambert St Louis International to Chicago O'Hare International on your next trip.
Cheapest Round Trip Flight
$260
United Airlines
• nonstop
• 2h 12m
Sep 24 – Sep 26
The cheapest round trip flight from St Louis to Chicago (STL-ORD-STL) is currently $260
Cheapest Direct Flight
$260
United Airlines
• nonstop
• 2h 12m
Sep 24
The cheapest nonstop flight from St Louis to Chicago (STL-ORD) is currently $260
Fastest Flight
2h 9m
The fastest nonstop flight from St Louis to Chicago (STL-ORD) takes 2h 9m
Top Airlines Flying from St Louis to Chicago
Latest Flight Deals from St Louis (STL) to Chicago (ORD)
Compare and book low fare round-trip air tickets from St Louis to Chicago. Ideal for travelers with confirmed return itineraries.
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 12m
10:27 AM - 11:59 AM • nonstop
St Louis → Chicago
2h 11m
12:45 PM - 2:16 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 11m
8:00 AM - 9:31 AM • nonstop
St Louis → Chicago
2h 11m
12:45 PM - 2:16 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 9m
7:01 PM - 8:30 PM • nonstop
St Louis → Chicago
2h 11m
6:10 PM - 7:41 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 16m
9:04 AM - 10:40 AM • nonstop
St Louis → Chicago
2h 6m
3:35 PM - 5:01 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 9m
5:36 PM - 7:05 PM • nonstop
St Louis → Chicago
7h 32m
6:24 PM - 11:16 PM • 1 stop
United Airlines
Flying to Chicago soon? We've surfaced some of the most affordable last-minute flights from St Louis to Chicago, ideal for urgent plans or spontaneous trips.
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 12m
10:27 AM - 11:59 AM • nonstop
St Louis → Chicago
2h 11m
12:45 PM - 2:16 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 11m
8:00 AM - 9:31 AM • nonstop
St Louis → Chicago
2h 11m
12:45 PM - 2:16 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 9m
7:01 PM - 8:30 PM • nonstop
St Louis → Chicago
2h 11m
6:10 PM - 7:41 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 16m
9:04 AM - 10:40 AM • nonstop
St Louis → Chicago
2h 6m
3:35 PM - 5:01 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 9m
5:36 PM - 7:05 PM • nonstop
St Louis → Chicago
7h 32m
6:24 PM - 11:16 PM • 1 stop
United Airlines
Looking for the fastest way to Chicago? These direct flight options from STL to ORD offer both convenience and value—no layovers, just straight to your destination.
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 12m
10:27 AM - 11:59 AM • nonstop
St Louis → Chicago
2h 11m
12:45 PM - 2:16 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 11m
8:00 AM - 9:31 AM • nonstop
St Louis → Chicago
2h 11m
12:45 PM - 2:16 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 9m
7:01 PM - 8:30 PM • nonstop
St Louis → Chicago
2h 11m
6:10 PM - 7:41 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 16m
9:04 AM - 10:40 AM • nonstop
St Louis → Chicago
2h 6m
3:35 PM - 5:01 PM • nonstop
United Airlines
Sep 24 - Sep 26, Economy
St Louis → Chicago
2h 16m
6:00 AM - 7:36 AM • nonstop
St Louis → Chicago
2h 11m
12:45 PM - 2:16 PM • nonstop
United Airlines
FAQs on St Louis to Chicago Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to ORD?
The most popular airline flying from St Louis to Chicago are
Can I fly from STL to ORD non-stop?
Yes, you can fly STL to ORD non-stop on
Which airlines fly nonstop between St Louis and Chicago?
The non-stop flights between St Louis and Chicago are .
What’s the earliest departure time from STL to ORD Airport?
The earliest flight leaves STL at 6:00 am and lands in ORD - Chicago O'Hare International
What are the airports in Chicago?
MDW,ORD
Can I make changes to my St Louis to Chicago 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 STL to ORD?
Read the fare rules of the St Louis to Chicago 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 St Louis and Chicago?
operate flights between St Louis and Chicago
How long does a flight from St Louis to Chicago take?
It takes approximately 1 hour to fly non-stop from STL to ORD, which is 258.03 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Chicago (ORD) ?
In the past couple of days, the cheapest tickets to ORD from STL were found on UA : USD 589
Do I need a passport to fly between STL and ORD?
No
What’s the latest departure time from STL to ORD ?
The last flight leaves STL at 7:01 pm
St Louis (STL) to Chicago (ORD): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | Chicago O'Hare International , Chicago, US |
| Distance | 258 miles |
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