Flight Routes from Ontario to United States

Trip type

Our cheapest offers for flights from Ontario (ONT) 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)Austin (AUS)
    non-stop flights:
    1 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Southwest Airlines
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines1111111
  • Ontario (ONT)Boise (BOI)
    non-stop flights:
    1–2 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Alaska Airlines
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Alaska Airlines1–21–21–21–21–21–21–2
  • Ontario (ONT)Dallas (DAL)
    non-stop flights:
    1–2 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Southwest Airlines
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines111111–21
  • Ontario (ONT)Chicago (CHI)
    non-stop flights:
    4 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • Southwest Airlines
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines2222222
    Southwest Airlines2222222
  • Ontario (ONT)Charlotte (CLT)
    non-stop flights:
    1–2 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • American Airlines
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines1–21–211–211–21–2
  • Ontario (ONT)Houston - Metro (QHO)
    non-stop flights:
    4–6 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • United Airlines
    • Southwest Airlines
    • Frontier Airlines
    from $556
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines2222222
    Southwest Airlines2222222
    Frontier Airlines2002202
  • Ontario (ONT)Santa Rosa (STS)
    non-stop flights:
    1–2 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Alaska Airlines
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Alaska Airlines1–21–21–21–21–21–21–2
  • Ontario (ONT)Baltimore (BWI)
    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
    • American Airlines
    • Alaska Airlines
    • Frontier Airlines
    • United Airlines
Prices based on recent searches, subject to last-minute changes
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