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:
    2–7 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 Airlines2–52–52–51–51–51–52–5
    Frontier Airlines1–21–21–21–21–21–21–2
  • 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:
    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
    from $410
  • New York (NYC)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
    from $410
  • 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:
    4–10 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Southwest Airlines
    • Frontier Airlines
    from $195
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines5–65–653–65–63–64–6
    Frontier Airlines1–41–31–31–41–31–32–3
  • Seattle-Tacoma (SEA)Ontario (ONT)
    non-stop flights:
    3–5 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Alaska Airlines
    • Frontier Airlines
    • Delta Air Lines
    from $297
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Alaska Airlines1–21–31–31–21–21–31
    Frontier Airlines1111111
    Delta Air Lines1111111
  • Denver (DEN)Ontario (ONT)
    non-stop flights:
    5–10 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Southwest Airlines
    • United Airlines
    • Frontier Airlines
    from $266
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines3–43–43–43–43–42–53–4
    United Airlines2221–22–322
    Frontier Airlines21–31–2221–32
  • Houston - George Bush (IAH)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
    • Frontier Airlines
    • United Airlines
    from $292
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Frontier Airlines1111111
    United Airlines1111111
  • Honolulu (HNL)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 $718
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines1111111
  • Miami (MIA)Ontario (ONT)
    non-stop flights:
    only flights with stopover
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    from $573
  • Chicago O'Hare (ORD)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
    • American Airlines
    • United Airlines
    from $413
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    American Airlines1111111
    United Airlines1111111
  • Santa Barbara (SBA)Ontario (ONT)
    non-stop flights:
    only flights with stopover
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    from $609
  • Phoenix - Sky Harbor (PHX)Ontario (ONT)
    non-stop flights:
    6–11 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
    • American Airlines
    from $169
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines4–54–54–53–54–53–64–5
    American Airlines3–53–53–54–54–53–54–6
  • 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 $297
    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:
    1–3 per day
    flight duration:
    at least
    direct flight availability
    1. Sun
    2. Mon
    3. Tue
    4. Wed
    5. Thu
    6. Fri
    7. Sat
    airlines
    • Alaska Airlines
    • Frontier Airlines
    from $290
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Alaska Airlines11–21–2111–21
    Frontier Airlines0100001
  • 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:
    1–3 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 $254
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Delta Air Lines2–32–32–31–31–31–22–3
  • 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 Airlines3–43–43–43–43–42–53–6
  • Oakland (OAK)Ontario (ONT)
    non-stop flights:
    4–7 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 $304
    number of non-stop flights per airline and day of the week
    SunMonTueWedThuFriSat
    Southwest Airlines4–5443–54–53–43–6
    Frontier Airlines0101011
Prices based on recent searches, subject to last-minute changes
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Most frequent connection from Ontario
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