Flights from United States to Ontario with Copa Airlines

Our cheapest offers for flights from United States a Ontario

Here you can compare cheap flights from United States to Ontario (ONT) 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 Ontario. Prices and availability may change at any time.

  • San Francisco (SFO)Ontario (ONT)
    non-stop flights:
    up to 16 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • United Airlines
    • Frontier Airlines
    • Copa Airlines
    from $93
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines5–165–165–165–165–165–165–16
    Frontier Airlines1111111–2
    Copa Airlines0101101
Prices based on recent searches, subject to last-minute changes
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