Flight Routes to Ontario

Trip type

Our cheapest offers for flights to Ontario (ONT)

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:
    3–8 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
    • Frontier Airlines
    from $232
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines3–63–73–63–63–63–53–6
    Frontier Airlines1002102
  • Charlotte (CLT)Ontario (ONT)
    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
    from $581
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines1–21–21–21–21–21–21–2
  • New York (JFK)Ontario (ONT)
    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
    • JetBlue Airways
    from $410
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    JetBlue Airways1111111
  • New York (NYC)Ontario (ONT)
    non-stop flights:
    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
    • JetBlue Airways
    from $410
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    JetBlue Airways2222222
  • Tampa (TPA)Ontario (ONT)
    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
    • United Airlines
    from $504
  • Las Vegas (LAS)Ontario (ONT)
    non-stop flights:
    5–9 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
    • Frontier Airlines
    from $195
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines5–6553–65–63–44–6
    Frontier Airlines3223323
  • Seattle-Tacoma (SEA)Ontario (ONT)
    non-stop flights:
    5–13 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
    • Delta Air Lines
    • Frontier Airlines
    from $297
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Alaska Airlines3–83–83–83–83–83–83–8
    Delta Air Lines1–41–41–41–41–41–31–3
    Frontier Airlines1111111
  • Denver (DEN)Ontario (ONT)
    non-stop flights:
    6–8 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
    • Frontier Airlines
    • United Airlines
    from $266
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines3–43–43–43–43–42–33–4
    Frontier Airlines2222222
    United Airlines2222222
  • Houston - George Bush (IAH)Ontario (ONT)
    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
    • United Airlines
    • Frontier Airlines
    from $292
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines1111111
    Frontier Airlines1001101
  • Honolulu (HNL)Ontario (ONT)
    non-stop flights:
    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
    • Southwest Airlines
    from $718
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Alaska Airlines1111111
    Southwest Airlines1111111
  • Chicago O'Hare (ORD)Ontario (ONT)
    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
    • United Airlines
    from $413
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    United Airlines1111111
  • Phoenix - Sky Harbor (PHX)Ontario (ONT)
    non-stop flights:
    8–10 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
    • Southwest Airlines
    from $169
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines5555555
    Southwest Airlines4–54–54–53–54–53–44–5
  • Dallas (DFW)Ontario (ONT)
    non-stop flights:
    6–8 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
    • Frontier Airlines
    from $509
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines5–75–75–65–65–65–65–7
    Frontier Airlines1111111
  • Portland-Oregon (PDX)Ontario (ONT)
    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
    • Alaska Airlines
    from $290
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Alaska Airlines3–63–63–63–63–63–63–6
  • Atlanta (ATL)Ontario (ONT)
    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 $459
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Delta Air Lines2–32–32–32–32–32–32–3
  • Salt Lake City (SLC)Ontario (ONT)
    non-stop flights:
    1–5 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 $254
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Delta Air Lines2–52–42–42–42–41–32–4
  • San Jose (SJC)Ontario (ONT)
    non-stop flights:
    2–6 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Southwest Airlines
    from $305
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines3–43–43–43–43–42–33–6
  • Oakland (OAK)Ontario (ONT)
    non-stop flights:
    2–6 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Southwest Airlines
    from $304
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines4–5443–54–52–44–6
  • Houston-Hobby (HOU)Ontario (ONT)
    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
    from $342
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines1111111
  • Nashville (BNA)Ontario (ONT)
    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
    from $287
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines1111111
Prices based on recent searches, subject to last-minute changes
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Most frequent connection from Ontario
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