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Islip

$127+ Cheap flights from Sky Harbor Intl (PHX) to Islip, NY (ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ISP
Mar 26 — Apr 21
Thu 3/26
Thu 4/2
1 adult, Economy
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Cheap flight deals from Sky Harbor Intl to Islip

Cheapest flights from Sky Harbor Intl to Islip
Explore the most affordable flight options available from Sky Harbor Intl to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 24, 2026.

This CheapOair deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:15 am
PHX
-
ISP
1 stop29h 58m
Frontier
Sun 4/264:07 pm
ISP
-
PHX
1 stop10h 11m
Frontier
Deal found 2/23$221
This Priceline deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:59 am
PHX
-
ISP
1 stop9h 48m
Frontier
Mon 3/91:22 pm
ISP
-
PHX
1 stop13h 22m
Frontier
Deal found 2/20$270
This Frontier deal was found by Cheapflights users on 2/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/511:59 pm
PHX
-
ISP
1 stop10h 48m
Frontier
Mon 3/91:22 pm
ISP
-
PHX
1 stop13h 22m
Frontier
Deal found 2/23$335
This Frontier deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:59 pm
PHX
-
ISP
1 stop12h 40m
Frontier
Fri 3/61:42 pm
ISP
-
PHX
1 stop13h 02m
Frontier
Deal found 2/22$346
This Southwest deal was found by Cheapflights users on 2/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:05 am
PHX
-
ISP
1 stop7h 55m
Southwest
Fri 7/3112:30 pm
ISP
-
PHX
1 stop8h 45m
Southwest
Deal found 2/22$437
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:59 am
PHX
-
ISP
2 stops10h 32m
Multiple Airlines
Mon 3/91:22 pm
ISP
-
PHX
1 stop13h 22m
Multiple Airlines
Deal found 2/20$447
This Southwest deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:00 am
PHX
-
ISP
2 stops8h 25m
Southwest
Thu 8/2010:20 am
ISP
-
PHX
1 stop9h 55m
Southwest
Deal found 2/20$452

Find flight deals from Sky Harbor Intl to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(CheapOair)

One-way from

$127
(CheapOair)

Popular in

December

Cheapest in

March

Average price

$298
Provider with most accurate pricing for Phoenix Sky Harbor Intl-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for Phoenix Sky Harbor Intl-Islip Long Island flights.
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From Phoenix Sky Harbor Intl to Islip Long Island
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One-way flight from Phoenix Sky Harbor Intl to Islip Long Island
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sky Harbor Intl to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Islip that are best for you.

Fly from

Sky Harbor Intl

Fly to

Islip

Route

Depart

Return

Price

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 3/5

12:59 am-12:47 pm

1 stop9h 48m

Islip Long Island

Mon 3/9

1:22 pm-11:44 pm

1 stop13h 22m

$315

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Wed 7/1

5:05 am-4:00 pm

1 stop7h 55m

Islip Long Island

Fri 7/31

6:00 am-12:35 pm

2 stops9h 35m

$442

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 3/5

12:59 am-1:31 pm

2 stops10h 32m

Islip Long Island

Mon 3/9

1:22 pm-11:44 pm

1 stop13h 22m

$447

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 8/13

11:10 pm-9:40 am

1 stop7h 30m

Islip Long Island

Thu 8/20

10:20 am-5:15 pm

1 stop9h 55m

$447

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Tue 3/10

6:05 am-4:05 pm

1 stop7h 00m

Islip Long Island

Sat 3/14

5:50 pm-11:45 pm

1 stop8h 55m

$567

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sat 3/7

1:40 pm-11:35 pm

1 stop7h 55m

Islip Long Island

Wed 3/11

4:40 pm-11:05 pm

1 stop9h 25m

$567

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Fri 3/6

8:05 am-5:20 pm

1 stop7h 15m

Islip Long Island

Mon 3/9

6:00 am-11:45 am

1 stop8h 45m

$567

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sun 3/29

11:45 pm-11:40 am

2 stops8h 55m

Islip Long Island

Thu 4/2

5:55 pm-12:05 am

1 stop9h 10m

$572

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Mon 3/2

11:59 pm-8:40 am

1 stop30h 41m

$127

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Wed 3/11

12:59 am-4:13 pm

1 stop12h 14m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 18 results
1
2

Compare providers for flights from Sky Harbor Intl to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sky Harbor Intl to Islip in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phoenix Sky Harbor Intl Airport-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phoenix Sky Harbor Intl Airport-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sky Harbor Intl to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Sky Harbor Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Islip

What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Islip, New York (average of $98). Flying from Phoenix Sky Harbor Intl Airport to Islip, New York in June is currently the most expensive (average of $190). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated February 24, 2026.
Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Islip, such as Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,300 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,300 reviews
Southwest
8.0
Very good
4,300 reviews

Overall

8.0

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Sky Harbor Intl to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from Phoenix Sky Harbor Intl?

    For a flight from Phoenix Sky Harbor Intl to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city. Long Island is the only Islip airport and it handles 0 inbound flights from Phoenix Sky Harbor Intl per day. 1 airline has flights to Islip Long Island from Phoenix Sky Harbor Intl on a regular basis.

  • How long is the flight from Phoenix Sky Harbor Intl Airport to Islip, New York?

    Airlines like Frontier and Southwest fly from Phoenix Sky Harbor Intl Airport to Islip, New York in about 7h 55m. The time it takes to get you to your destination can typically vary by up to 1h 53m. The distance between Phoenix Sky Harbor Intl Airport and Islip, New York is about 2182 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Phoenix Sky Harbor Intl Airport to Islip, New York round-trip?

    Currently priced at $347, Southwest will fly you from Phoenix Sky Harbor Intl Airport to Islip, New York and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. This flight start at 20% lower than the current average price 3 months from now.

  • Can I find deals for flights from Sky Harbor Intl to Islip that include hotel bookings?

    Yes. In addition to deals on Sky Harbor Intl to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sky Harbor Intl to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Islip.

  • Can I find deals for business class flights from Sky Harbor Intl to Islip?

    Yes. Cheapflights offers flight deals from Sky Harbor Intl to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Islip, New York (average of $98). Flying from Phoenix Sky Harbor Intl Airport to Islip, New York in June is currently the most expensive (average of $190). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

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Top airline flying from Sky Harbor Intl to Islip

Discover the top airline that operate flights from Sky Harbor Intl to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$347Average$446FlexibilityNo cancel feeOn-time63%

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