Chicago to St Louis Flights
Flights from Chicago (CHI) to St Louis (XLS) connect United States and SN. 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 CHI, ORD, MDW and XLS. The reverse route is St Louis to Chicago. 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
- Chicago, United States
- Destination
- St Louis, SN
- Distance
- 7,277 km
- Typical duration
- about 10 hours
- Origin codes
- CHI, ORD, MDW
- Destination codes
- XLS
- Primary keyword
- flights from Chicago to St Louis
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Route overview
Chicago to St Louis is a city-pair air route between United States and SN. Travelers use this corridor for leisure, business, and connecting itineraries.
Primary search codes are CHI and XLS. Related codes: CHI, ORD, MDW → XLS.
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
Chicago airports and metro codes: CHI, ORD, MDW.
St Louis airports and metro codes: XLS.
Alternative routes
Related searches include the reverse route St Louis to Chicago, other destinations from Chicago, and other origins into St Louis.
Frequently asked questions
How long is the flight from Chicago to St Louis?
Direct flights from Chicago to St Louis typically take about 10 hours, depending on aircraft type, routing, and wind conditions. Connecting itineraries take longer.
What is the distance from Chicago to St Louis?
The great-circle distance between Chicago and St Louis is approximately 7,277 km. Flown distance can be longer depending on airways.
Which airports serve flights from Chicago to St Louis?
Chicago is commonly searched with code CHI (related: CHI, ORD, MDW). St Louis is commonly searched with code XLS (related: XLS).
Are there direct flights from Chicago to St Louis?
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 St Louis to Chicago?
The reverse city pair is St Louis to Chicago. Distance is the same great-circle measure (7,277 km); block time can differ with winds and schedules.
Which countries does the Chicago to St Louis route connect?
This route connects United States (Chicago) with SN (St Louis).