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Flights from Islip to San Jose

Search cheap flights from Islip to San Jose in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at SGD 238, and round-trip tickets start at SGD 963.

      • ISP 09:40
        29h 39m
        2 stops
        SJC 12:19
        Islip - San Jose | Mon, Jan 12 | Jetblue Airways
        SJC 11:47
        18h 8m
        2 stops
        ISP 08:55
        San Jose - Islip | Fri, Jan 16 | American Airlines
        SGD 963 SGD 1,070
        10% OFF
        10% OFF
        SGD 1,070 SGD 963
      • ISP 13:00
        17h 25m
        1 stop
        SJC Invalid Date
        Islip - San Jose | Sat, Dec 13 | Normal Airline
        SJC 15:00
        6h
        Nonstop
        ISP 16:00
        San Jose - Islip | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • ISP 11:50
        27h 16m
        2 stops
        SJC 12:06
        Islip - San Jose | Thu, Dec 11 | Jetblue Airways
        SGD 238 SGD 598
        60% OFF
        60% OFF
        SGD 598 SGD 238
      • ISP 20:54
        18h 16m
        2 stops
        SJC 12:10
        Islip - San Jose | Tue, Jan 20 | Frontier Airlines
        SGD 240 SGD 598
        60% OFF
        60% OFF
        SGD 598 SGD 240
      • ISP 21:09
        16h 14m
        2 stops
        SJC 10:23
        Islip - San Jose | Sat, Dec 13 | Frontier Airlines
        SGD 290 SGD 598
        52% OFF
        52% OFF
        SGD 598 SGD 290
      • ISP 11:00
        28h 10m
        2 stops
        SJC 12:10
        Islip - San Jose | Tue, Jan 20 | Jetblue Airways
        SGD 300
        50% OFF
        SGD 598 SGD 300
      • ISP 11:05
        28h 5m
        2 stops
        SJC 12:10
        Islip - San Jose | Sun, Jan 25 | Jetblue Airways
        SGD 301
        50% OFF
        SGD 598 SGD 301
      • ISP 06:00
        17h 56m
        2 stops
        SJC 20:56
        Islip - San Jose | Wed, Jan 7 | Frontier Airlines
        SGD 346
        42% OFF
        SGD 598 SGD 346
      • ISP 07:00
        16h 56m
        2 stops
        SJC 20:56
        Islip - San Jose | Wed, Jan 7 | Jetblue Airways
        SGD 423
        28% OFF
        SGD 598 SGD 423
      • ISP 20:09
        18h 57m
        2 stops
        SJC 12:06
        Islip - San Jose | Thu, Dec 11 | Frontier Airlines
        SGD 451
        25% OFF
        SGD 598 SGD 451
      • ISP 10:45
        26h 38m
        2 stops
        SJC 10:23
        Islip - San Jose | Sat, Dec 13 | Jetblue Airways
        SGD 493
        18% OFF
        SGD 598 SGD 493
      • ISP 12:30
        11h 26m
        2 stops
        SJC 20:56
        Islip - San Jose | Sun, Jan 25 | Cape Air
        SGD 539
        10% OFF
        SGD 598 SGD 539
      • ISP 13:00
        17h 25m
        1 stop
        SJC Invalid Date
        Islip - San Jose | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

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

Islip to San Jose Flight Details

The distance between Islip and San Jose is about 4,177.2 km. Based on Trip.com's latest data, travel demand is highest in November. The off-season for travel is September.

Cheapest one-way flight priceSGD 238
Cheapest return ticket priceSGD 963
Cheapest monthSeptember
Peak season for travelNovember
Flight distance4,177.2 km

When is the cheapest time to book flights from Islip to San Jose?

The cheapest time to fly from Islip to San Jose: Jan 18 to Jan 25 — one-way prices start at SGD 240.

Cheapest flights
From price
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  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from Islip to San Jose (ISP-SJC)?

    Based on Trip.com data, Jetblue Airways offers one-way fares as low as SGD 238 on Cheapest nonstop routes (e.g. ISP to SJC on Thu, Dec 11), while Jetblue Airways offers Cheapest nonstop round-trips from SGD 963 departing on Mon, Jan 12 and returning on Fri, Jan 16.
  • 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 San Jose 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 San Jose, 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 Thu, Dec 11, with one-way flights priced at just SGD 238.
    · 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 San Jose travel is around November.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Islip to San Jose is September, when demand for travel is lower.
  • The time difference between San Jose and Islip is 3h.
  • Tickets can only be changed or canceled 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.

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