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Long Island Macarthur Airport to Ontario International Airport flight
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Cheap Flights from Long Island Macarthur Airport to Ontario International Airport

Search for flights from Islip to Los Angeles and check out affordable one-way and round-trip options.

  • One way
  • Round-trip
      • ISP05:45
        12h 31m
        2 stops
        ONT15:16
        Islip - Ontario|Sat, Nov 16|Frontier Airlines
        $116$1,269
        91% OFF
        91% OFF
        $1,269$116

        Choose Frontier Airlines flights from Islip to Ontario. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sat, Nov 16, arriving at Ontario International Airport. One-way Prices start from $116 including taxes and charges.

      • ISP19:08
        42h 52m
        2 stops
        ONT11:00
        Islip - Ontario|Sat, Jan 4|Frontier Airlines
        $139$1,269
        89% OFF
        89% OFF
        $1,269$139

        Choose Frontier Airlines flights from Islip to Ontario. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sat, Jan 4, arriving at Ontario International Airport. One-way Prices start from $139 including taxes and charges.

      • ISP20:55
        41h 47m
        2 stops
        ONT11:42
        Islip - Ontario|Fri, Jan 3|Frontier Airlines
        $256$1,269
        80% OFF
        80% OFF
        $1,269$256

        Choose Frontier Airlines flights from Islip to Ontario. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Fri, Jan 3, arriving at Ontario International Airport. One-way Prices start from $256 including taxes and charges.

      • ISP05:45
        20h 22m
        2 stops
        ONT23:07
        Islip - Ontario|Thu, Nov 14|Frontier Airlines
        $297
        $297

        Choose Frontier Airlines flights from Islip to Ontario. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Thu, Nov 14, arriving at Ontario International Airport. One-way Prices start from $297 including taxes and charges.

      • ISP20:25
        42h 7m
        2 stops
        ONT11:32
        Islip - Ontario|Sun, Dec 29|Frontier Airlines
        $351
        $351

        Choose Frontier Airlines flights from Islip to Ontario. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sun, Dec 29, arriving at Ontario International Airport. One-way Prices start from $351 including taxes and charges.

      • ISP11:15
        13h 59m
        2 stops
        ONT22:14
        Islip - Ontario|Sat, Nov 16|Jetblue Airways
        $493
        $493

        Choose Jetblue Airways flights from Islip to Ontario. The one-way connecting flight with Jetblue Airways departs from Long Island Macarthur Airport on Sat, Nov 16, arriving at Ontario International Airport. One-way Prices start from $493 including taxes and charges.

      • ISP11:12
        16h
        2 stops
        ONT00:12
        Islip - Ontario|Sun, Dec 1|Jetblue Airways
        $828
        $828

        Choose Jetblue Airways flights from Islip to Ontario. The one-way connecting flight with Jetblue Airways departs from Long Island Macarthur Airport on Sun, Dec 1, arriving at Ontario International Airport. One-way Prices start from $828 including taxes and charges.

      • ISP11:34
        13h 29m
        2 stops
        ONT22:03
        Islip - Ontario|Sun, Dec 1|Frontier Airlines
        $1,041
        $1,041

        Choose Frontier Airlines flights from Islip to Ontario. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sun, Dec 1, arriving at Ontario International Airport. One-way Prices start from $1,041 including taxes and charges.

      • ISP13:00
        3h 5m
        Nonstop
        ONT14:00
        Islip - Los Angeles|Thu, Nov 21|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Long Island Macarthur Airport to Ontario International Airport

See which airlines fly from Islip to Los Angeles. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From $116
Jetblue Airways
From $441
Southwest Airlines
From $1,921

Find more flights and airlines

Find Cheaper Flights from Islip to Los Angeles

Explore other flights from Islip to Los Angeles to find the best alternative options.

  • Cheapest
    Frontier Airlines
    ISP
    05:45
    18h 56m
    2 transfer
    LAX
    21:41
    Long Island Macarthur Airport - Los Angeles International Airport
    Sat, Nov 16Frontier Airlines
    $119
  • Frontier Airlines
    ISP
    05:45
    18h 56m
    2 transfer
    LAX
    21:41
    Long Island Macarthur Airport - Los Angeles International Airport
    Sat, Nov 16Frontier Airlines
    $119
    Find More Flights

Long Island Macarthur Airport to Ontario International Airport Flights Info

Flight distance3,961.3 km

FAQs for Long Island Macarthur Airport to Ontario International Airport Flights

  • What is the transportation method from the main airport to downtown in Los Angeles?

    • The distance from Los Angeles International Airport to downtown is about 19 km. It takes about 30 minutes by taxi.
    • The distance from Ontario International Airport to downtown is about 59 km. It takes about 1 hour 10 minutes by taxi.

  • What's the closest airport to Ontario International Airport (ONT)?

    The closest airport to Ontario International Airport (ONT) is Chino Airport. The distance is around 9 km.

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