Flights from Ontario (ONT) to St. Louis (STL) with Star Alliance

Flight deals from Ontario to St. Louis (ONT - STL)

  1. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    08/01/2019

    STL - ONT

    23/01/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 274*
  2. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    15/01/2019

    STL - ONT

    30/01/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 274*
  3. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    31/12/2018

    STL - ONT

    15/01/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 290*
  4. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    22/01/2019

    STL - ONT

    06/02/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 290*
  5. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    29/01/2019

    STL - ONT

    13/02/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 290*
  6. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    24/12/2018

    STL - ONT

    08/01/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 306*
  7. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    25/12/2018

    STL - ONT

    09/01/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 306*
  8. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    26/02/2019

    STL - ONT

    13/03/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 320*
  9. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    27/02/2019

    STL - ONT

    14/03/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 320*
  10. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    05/03/2019

    STL - ONT

    20/03/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 320*
  11. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    05/02/2019

    STL - ONT

    20/02/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 320*
  12. Ontario (ONT) to St. Louis (STL)

    Roundtrip | Economy
    airline logo
    ONT - STL

    12/02/2019

    STL - ONT

    27/02/2019

    Sold by

    United Airlines

    Please note possible operating carriers. Additional baggage fees may apply.

    15 Night(s) Trip
    USD 324*

*Prices have been offered for round trips within the last 48 hours and might not be currently available. Not all Star Alliance Member Airlines or all fares/options are shown. Additional baggage fees, payment fees and fees for other optional services may apply. When booking, please check for restrictions on refunds, rebooking and baggage allowance that may apply. Prices may vary depending on the route and flights selected. Routings may include stopovers. Terms and conditions apply.

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Weather in St. Louis

4°C Sunday Dec 16, 2018
5°C Monday Dec 17, 2018
6°C Tuesday Dec 18, 2018
7°C Wednesday Dec 19, 2018
8°C Thursday Dec 20, 2018
10°C Friday Dec 21, 2018
-0°C Saturday Dec 22, 2018
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