Flight Routes from Chicago O'Hare to St. Louis

Trip type

Our cheapest offers for flights from Chicago O'Hare to St. Louis

Here you can compare cheap flights from Chicago O'Hare (ORD) to St. Louis (STL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to St. Louis. Prices and availability may change at any time.

Flight schedule from Chicago O'Hare (ORD) to St. Louis (STL)

Select a travel date in the flight schedule for the route from Chicago O'Hare (ORD) to St. Louis (STL) and compare affordable flight deals.

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Matching outbound flights43 of 43
fromto
dep.arr.
durationstopovers
  1. August 2 – 8, 2026
  2. August 9 – 15, 2026
  3. August 16 – 22, 2026
    1. ORDSTL
      nonstop
      1. American Airlines
    2. ORDSTL
      nonstop
      1. American Airlines
    3. ORDSTL
      nonstop
      1. United Airlines
    4. ORDSTL
      nonstop
      1. United Airlines
    5. ORDSTL
      nonstop
      1. United Airlines
    6. ORDSTL
      nonstop
      1. United Airlines
    7. ORDSTL
      nonstop
      1. United Airlines
    8. ORDSTL
      nonstop
      1. United Airlines
    9. ORDSTL
      1 stopover
      1. Delta Air Lines
    10. ORDSTL
      nonstop
      1. American Airlines
    11. ORDSTL
      nonstop
      1. American Airlines
    12. ORDSTL
      nonstop
      1. United Airlines
    13. ORDSTL
      nonstop
      1. United Airlines
    14. ORDSTL
      nonstop
      1. United Airlines
    15. ORDSTL
      nonstop
      1. United Airlines

      Important flight information

      Flight information: Chicago O'Hare - St. Louis

      Roundtrip from $245.14
      Distance 416 km
      Departure airport Airport Chicago O'Hare International Airport, IL (ORD)
      Arrival airport Airport St. Louis - Lambert International Airport (STL)
      Destination country Flights to United States
      City-Code - Arrival airport Chicago - St. Louis - Lambert International Airport
      Departure airport - Destination country Chicago O'Hare International Airport, IL - United States
      Alternative routes to United States
      Alternative flights to St. Louis
      Flight destinations with a similar price
      Flight destinations with a similar price