Flights from Ontario to United States

Trip type

Our cheapest offers for flights from Ontario to United States

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

  • Ontario (ONT)Las Vegas (LAS)
    non-stop flights:
    3–6 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Frontier Airlines
    • Volaris
    from $28
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Frontier Airlines2–32–432–32–32–32–3
    Volaris1–21–21–21121
  • Ontario (ONT)Atlanta (ATL)
    non-stop flights:
    2–3 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Delta Air Lines
    from $111
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Delta Air Lines2–32–32–32–32–32–32–3
  • Ontario (ONT)New York (LGA)
    non-stop flights:
    only flights with stopover
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Frontier Airlines
    • United Airlines
    from $297
Prices based on recent searches, subject to last-minute changes
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