Book Star Alliance flights to Ontario (ONT)

Find flight deals to Ontario (ONT airport)

Fares recently seen on Star Alliance member airline websites. Not all Star Alliance Member Airlines or all fares/options are shown.
    6 Night(s) Trip
    Denver (DEN) - Ontario (ONT)

    Roundtrip | Economy

    airline logo
    DEN - ONT

    Aug 22, 2018

    ONT - DEN

    Aug 28, 2018

    Sold by

    United Airlines

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

    USD 163*
    15 Night(s) Trip
    San Francisco (SFO) - Ontario (ONT)

    Roundtrip | Economy

    airline logo
    SFO - ONT

    Sep 06, 2018

    ONT - SFO

    Sep 21, 2018

    Sold by

    United Airlines

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

    USD 230*
    1 Night(s) Trip
    Chicago (ORD) - Ontario (ONT)

    Roundtrip | Economy

    airline logo
    ORD - ONT

    Aug 27, 2018

    ONT - ORD

    Aug 28, 2018

    Sold by

    United Airlines

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

    USD 266*
    15 Night(s) Trip
    Houston (IAH) - Ontario (ONT)

    Roundtrip | Economy

    airline logo
    IAH - ONT

    Sep 02, 2018

    ONT - IAH

    Sep 17, 2018

    Sold by

    United Airlines

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

    USD 280*
    15 Night(s) Trip
    Seattle (SEA) - Ontario (ONT)

    Roundtrip | Economy

    airline logo
    SEA - ONT

    Sep 10, 2018

    ONT - SEA

    Sep 25, 2018

    Sold by

    United Airlines

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

    USD 206*
    15 Night(s) Trip
    Dallas (DFW) - Ontario (ONT)

    Roundtrip | Economy

    airline logo
    DFW - ONT

    Sep 11, 2018

    ONT - DFW

    Sep 26, 2018

    Sold by

    United Airlines

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

    USD 186*
    15 Night(s) Trip
    Detroit (DTW) - Ontario (ONT)

    Roundtrip | Economy

    airline logo
    DTW - ONT

    Oct 15, 2018

    ONT - DTW

    Oct 30, 2018

    Sold by

    United Airlines

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

    USD 308*
    15 Night(s) Trip
    New York/Newark (EWR) - Ontario (ONT)

    Roundtrip | Economy

    airline logo
    EWR - ONT

    Sep 02, 2018

    ONT - EWR

    Sep 17, 2018

    Sold by

    United Airlines

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

    USD 338*
    5 Night(s) Trip
    New York (NYC) - Ontario (ONT)

    Roundtrip | Economy

    airline logo
    NYC - ONT

    Sep 07, 2018

    ONT - NYC

    Sep 12, 2018

    Sold by

    United Airlines

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

    USD 238*
    15 Night(s) Trip
    Boston (BOS) - Ontario (ONT)

    Roundtrip | Economy

    airline logo
    BOS - ONT

    Oct 16, 2018

    ONT - BOS

    Oct 31, 2018

    Sold by

    United Airlines

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

    USD 330*

*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.

Weather in Ontario

29°C Thursday Aug 16, 2018
31°C Friday Aug 17, 2018
29°C Saturday Aug 18, 2018
28°C Sunday Aug 19, 2018
28°C Monday Aug 20, 2018
29°C Tuesday Aug 21, 2018
28°C Wednesday Aug 22, 2018
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