Flights to Ontario

Our cheapest offers for flights to Ontario

Here you can compare cheap flights to Ontario (ONT) for either one-way or return trips. The following offers for Ontario were found on our flight search in the last days. Prices may vary depending on the flight route, date and availability.

  • 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
  • Dallas (DFW)Ontario (ONT)
    non-stop flights:
    up to 9 per day
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • American Airlines
    • Frontier Airlines
    • Volaris
    from $125
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines4–84–94–84–84–84–84–8
    Frontier Airlines1–211–21–21–21–21–3
    Volaris0001000
  • Baltimore (BWI)Ontario (ONT)
    non-stop flights:
    only flights with stopover
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • Frontier Airlines
    • Spirit Airlines
    • American Airlines
    • United Airlines
    • Hawaiian Airlines
    from $256
  • Sacramento (SMF)Ontario (ONT)
    non-stop flights:
    only flights with stopover
    flight duration:
    at least
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    • Delta Air Lines
    • United Airlines
    • Alaska Airlines
    • American Airlines
    from $173
Prices based on recent searches, subject to last-minute changes
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Most frequent connection from Ontario
Alternative routes to United States