St Louis to Chicago Flights
Flights from St Louis (XLS) to Chicago (CHI) connect SN and United States. The great-circle distance is approximately 7,277 km, and a typical direct flight takes about 10 hours. Airports commonly used for this city pair include XLS and CHI, ORD, MDW. The reverse route is Chicago to St Louis. Use the search tool below to compare live prices and schedules — do not treat any static text on this page as a live fare.
Route facts
- Origin
- St Louis, SN
- Destination
- Chicago, United States
- Distance
- 7,277 km
- Typical duration
- about 10 hours
- Origin codes
- XLS
- Destination codes
- CHI, ORD, MDW
- Primary keyword
- flights from St Louis to Chicago
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Route overview
St Louis to Chicago is a city-pair air route between SN and United States. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are XLS and CHI. Related codes: XLS → CHI, ORD, MDW.
Distance
Approximate flight distance: 7,277 km (great-circle). Actual flown distance can be longer depending on airway routing.
Duration
Typical block time for a direct flight is about 10 hours. Connecting itineraries take longer and depend on layover airports.
Airports
St Louis airports and metro codes: XLS.
Chicago airports and metro codes: CHI, ORD, MDW.
Alternative routes
Related searches include the reverse route Chicago to St Louis, other destinations from St Louis, and other origins into Chicago.
Frequently asked questions
How long is the flight from St Louis to Chicago?
Direct flights from St Louis to Chicago typically take about 10 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from St Louis to Chicago?
The great-circle distance between St Louis and Chicago is approximately 7,277 km. Flown distance can be longer depending on airways.
Which airports serve flights from St Louis to Chicago?
St Louis is commonly searched with code XLS (related: XLS). Chicago is commonly searched with code CHI (related: CHI, ORD, MDW).
Are there direct flights from St Louis to Chicago?
Direct service availability varies by season and airline. Compare live schedules on Cheap Flights Worldwide for current nonstop and connecting options on this route.
What is the reverse flight route from Chicago to St Louis?
The reverse city pair is Chicago to St Louis. Distance is the same great-circle measure (7,277 km); block time can differ with winds and schedules.
Which countries does the St Louis to Chicago route connect?
This route connects SN (St Louis) with United States (Chicago).