How long is the flight from Chicago O'Hare to St Louis?

ORD–STL is about 1h nonstop, covering 415 km (258 mi).

Which airlines fly nonstop from Chicago O'Hare to St Louis?

American Airlines, Delta Air Lines, Envoy Air, United Airlines operate this route nonstop.

ORDSTL

Chicago O'Hare International Airport (Chicago, United States) → St. Louis Lambert International Airport (St Louis, United States)

Also known as St Louis.

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How long is the flight from Chicago O'Hare to St Louis?: ORD–STL is about 1h nonstop, covering 415 km (258 mi).
Which airlines fly nonstop from Chicago O'Hare to St Louis?: American Airlines, Delta Air Lines, Envoy Air, United Airlines operate this route nonstop.