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Flights from Islip to Phoenix

Find the cheapest flight options from Islip to Phoenix over the next three months. Book one-way tickets from SGD 216 and round-trip tickets from SGD 629.

      • ISP 12:25
        12h 14m
        1 stop
        PHX 22:39
        Islip - Phoenix | Thu, Jan 15 | Jetblue Airways
        PHX 23:05
        10h 30m
        1 stop
        ISP 11:35
        Phoenix - Islip | Mon, Jan 19 | Jetblue Airways
        SGD 629 SGD 1,820
        65% OFF
        65% OFF
        SGD 1,820 SGD 629
      • ISP 09:52
        12h 39m
        1 stop
        PHX 20:31
        Islip - Phoenix | Sun, Jan 18 | Frontier Airlines
        PHX 17:10
        13h 30m
        1 stop
        ISP 08:40
        Phoenix - Islip | Sat, Jan 24 | American Airlines
        SGD 707 SGD 1,820
        61% OFF
        61% OFF
        SGD 1,820 SGD 707
      • ISP 09:40
        12h 51m
        1 stop
        PHX 20:31
        Islip - Phoenix | Sun, Jan 18 | Jetblue Airways
        PHX 17:05
        13h 50m
        1 stop
        ISP 08:55
        Phoenix - Islip | Fri, Jan 23 | American Airlines
        SGD 709 SGD 1,820
        61% OFF
        61% OFF
        SGD 1,820 SGD 709
      • ISP 09:40
        26h 27m
        1 stop
        PHX 10:07
        Islip - Phoenix | Fri, Feb 6 | Jetblue Airways
        PHX 17:15
        13h 40m
        1 stop
        ISP 08:55
        Phoenix - Islip | Mon, Feb 9 | American Airlines
        SGD 724
        60% OFF
        SGD 1,820 SGD 724
      • ISP 12:25
        24h 25m
        1 stop
        PHX 10:50
        Islip - Phoenix | Wed, Jan 14 | Jetblue Airways
        PHX 12:00
        21h 35m
        1 stop
        ISP 11:35
        Phoenix - Islip | Sun, Jan 18 | Jetblue Airways
        SGD 948
        48% OFF
        SGD 1,820 SGD 948
      • ISP 07:25
        15h 38m
        1 stop
        PHX 21:03
        Islip - Phoenix | Fri, Feb 6 | Cape Air
        PHX 12:00
        21h 35m
        1 stop
        ISP 11:35
        Phoenix - Islip | Mon, Feb 9 | Jetblue Airways
        SGD 1,011
        44% OFF
        SGD 1,820 SGD 1,011
      • ISP 07:30
        15h 33m
        1 stop
        PHX 21:03
        Islip - Phoenix | Sun, Jan 18 | Cape Air
        PHX 22:19
        10h 45m
        1 stop
        ISP 11:04
        Phoenix - Islip | Fri, Jan 23 | Jetblue Airways
        SGD 1,045
        43% OFF
        SGD 1,820 SGD 1,045
      • ISP 19:50
        17h 45m
        1 stop
        PHX 11:35
        Islip - Phoenix | Sat, Dec 27 | Jetblue Airways
        PHX 22:59
        17h 46m
        1 stop
        ISP 18:45
        Phoenix - Islip | Sun, Dec 28 | Jetblue Airways
        SGD 1,213
        33% OFF
        SGD 1,820 SGD 1,213
      • ISP 07:30
        31h 5m
        1 stop
        PHX 12:35
        Islip - Phoenix | Wed, Jan 14 | Cape Air
        PHX 13:45
        24h 30m
        1 stop
        ISP 16:15
        Phoenix - Islip | Sun, Jan 18 | Delta Air Lines
        SGD 1,270
        30% OFF
        SGD 1,820 SGD 1,270
      • ISP 12:40
        10h 23m
        1 stop
        PHX 21:03
        Islip - Phoenix | Thu, Jan 15 | Cape Air
        PHX 22:19
        10h 45m
        1 stop
        ISP 11:04
        Phoenix - Islip | Mon, Jan 19 | Jetblue Airways
        SGD 1,329
        27% OFF
        SGD 1,820 SGD 1,329
      • ISP 13:00
        17h 25m
        1 stop
        PHX Invalid Date
        Islip - Phoenix | Sun, Dec 14 | Normal Airline
        PHX 15:00
        6h
        Direct
        ISP 16:00
        Phoenix - Islip | Tue, Dec 16 | Normal Airline
        Find More Flights
        Find More Flights
      • ISP 12:25
        10h 27m
        1 stop
        PHX 20:52
        Islip - Phoenix | Thu, Jan 22 | Jetblue Airways
        SGD 216 SGD 842
        74% OFF
        74% OFF
        SGD 842 SGD 216
      • ISP 12:20
        13h 29m
        1 stop
        PHX 23:49
        Islip - Phoenix | Thu, Jan 1 | Frontier Airlines
        SGD 290 SGD 842
        66% OFF
        66% OFF
        SGD 842 SGD 290
      • ISP 19:40
        29h 9m
        1 stop
        PHX 22:49
        Islip - Phoenix | Sun, Dec 28 | Jetblue Airways
        SGD 378 SGD 842
        55% OFF
        55% OFF
        SGD 842 SGD 378
      • ISP 09:40
        12h 51m
        1 stop
        PHX 20:31
        Islip - Phoenix | Sun, Jan 18 | Jetblue Airways
        SGD 407
        52% OFF
        SGD 842 SGD 407
      • ISP 10:46
        15h 3m
        1 stop
        PHX 23:49
        Islip - Phoenix | Thu, Dec 18 | Jetblue Airways
        SGD 409
        51% OFF
        SGD 842 SGD 409
      • ISP 10:46
        15h 3m
        1 stop
        PHX 23:49
        Islip - Phoenix | Thu, Jan 1 | Jetblue Airways
        SGD 481
        43% OFF
        SGD 842 SGD 481
      • ISP 16:28
        32h 21m
        1 stop
        PHX 22:49
        Islip - Phoenix | Sun, Dec 28 | Frontier Airlines
        SGD 511
        39% OFF
        SGD 842 SGD 511
      • ISP 09:59
        15h 58m
        1 stop
        PHX 23:57
        Islip - Phoenix | Sun, Jan 18 | Cape Air
        SGD 524
        38% OFF
        SGD 842 SGD 524
      • ISP 07:30
        31h 4m
        1 stop
        PHX 12:34
        Islip - Phoenix | Thu, Jan 1 | Cape Air
        SGD 574
        32% OFF
        SGD 842 SGD 574
      • ISP 10:46
        11h 39m
        1 stop
        PHX 20:25
        Islip - Phoenix | Tue, Dec 23 | Jetblue Airways
        SGD 615
        27% OFF
        SGD 842 SGD 615
      • ISP 13:00
        17h 25m
        1 stop
        PHX Invalid Date
        Islip - Phoenix | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight details for Islip to Phoenix

The distance between Islip and Phoenix is 3,517.41 km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceSGD 216
Cheapest round-trip ticket priceSGD 629
Off-season for travelOctober
Peak season for travelJuly
Flight distance3,517.41 km

Find the best time to fly from Islip to Phoenix

The cheapest time for Islip to Phoenix flights: Jan 25 to Feb 1 — one way flight prices from SGD 154.

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 Phoenix, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Islip to Phoenix (ISP-PHX)?

    Based on Trip.com data, Jetblue Airways offers one-way fares as low as SGD 216 on Cheapest nonstop routes (e.g. ISP to PHX on Thu, Jan 22), while Jetblue Airways offers Cheapest nonstop round-trips from SGD 629 departing on Thu, Jan 15 and returning on Mon, Jan 19.
  • 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 Phoenix 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 Phoenix, 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, Jan 22, with one-way flights priced at just SGD 216.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jetblue Airways.
    · 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 Phoenix travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Islip to Phoenix is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Islip to Phoenix on December 27, 2025 with Jetblue Airways, with prices starting at SGD 1,212.
  • The time difference between Phoenix and Islip is 2h.
  • 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.