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Flights from Islip to Cali

Find the cheapest flight options from Islip to Cali over the next three months. Book one-way tickets from CAD 651 and round-trip tickets from CAD 934.

      • ISP 11:50
        26h 21m
        1 stop
        CLO 14:11
        Islip - Cali | Tue, Dec 16 | Jetblue Airways
        CLO 01:55
        16h 50m
        1 stop
        ISP 18:45
        Cali - Islip | Tue, Dec 23 | Spirit Airlines
        CAD 934 CAD 1,861
        50% OFF
        50% OFF
        CAD 1,861 CAD 934
      • ISP 16:40
        21h 35m
        1 stop
        CLO 14:15
        Islip - Cali | Wed, Dec 24 | Frontier Airlines
        CLO 01:55
        23h
        1 stop
        ISP 00:55
        Cali - Islip | Wed, Dec 31 | Spirit Airlines
        CAD 1,675 CAD 1,861
        10% OFF
        10% OFF
        CAD 1,861 CAD 1,675
      • ISP 13:00
        17h 25m
        1 stop
        CLO Invalid Date
        Islip - Cali | Sat, Dec 13 | Normal Airline
        CLO 15:00
        6h
        Direct
        ISP 16:00
        Cali - Islip | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • ISP 16:40
        21h 35m
        1 stop
        CLO 14:15
        Islip - Cali | Sat, Dec 20 | Frontier Airlines
        CAD 651 CAD 978
        33% OFF
        33% OFF
        CAD 978 CAD 651
      • ISP 19:40
        18h 35m
        1 stop
        CLO 14:15
        Islip - Cali | Thu, Dec 18 | Jetblue Airways
        CAD 881 CAD 978
        10% OFF
        10% OFF
        CAD 978 CAD 881
      • ISP 13:00
        17h 25m
        1 stop
        CLO Invalid Date
        Islip - Cali | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Islip to Cali are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Information for Islip to Cali Flights

The distance between Islip and Cali is 4,155.25km. Based on Trip.com's data, travel demand peaks in August. The off-season for travel is November.

Cheapest one-way flight priceCAD 651
Cheapest return ticket priceCAD 934
Off-season travel monthNovember
Peak season for travelAugust
Flight distance4,155.25km

When is the cheapest time to fly from Islip to Cali?

The cheapest time for Islip to Cali flights: Jan 18 to Jan 25 — one way flight prices from CAD 327.

Cheapest flights
From price
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Islip to Cali, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Islip (ISP) to Cali (CLO)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as CAD 651 on Cheapest nonstop routes (e.g. ISP to CLO on Sat, Dec 20), while Jetblue Airways offers Cheapest nonstop round-trips from CAD 934 departing on Tue, Dec 16 and returning on Tue, Dec 23.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Islip to Cali is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Islip to Cali, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Dec 20, with one-way flights priced at just CAD 651.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Cali travel is around August.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Islip to Cali is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Islip to Cali on December 16, 2025 with Jetblue Airways, with prices starting at CAD 933.
  • The time difference between Cali and Islip is 0h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.