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Islip

$136+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ISP
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
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Cheap 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 November 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$182
(CheapOair)

One-way from

$136
(CheapOair)

Popular in

December

Cheapest in

March

Average price

$434
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
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Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 24, 2025.

This CheapOair deal was found by Cheapflights users on 11/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:59 amPHX - ISP
1 stop8h 26mFrontier
Mon 12/292:04 pmISP - PHX
1 stop11h 45mFrontier
Deal found 11/22$304
This Frontier deal was found by Cheapflights users on 11/22. 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 12/2812:59 amPHX - ISP
1 stop10h 10mFrontier
Thu 1/112:20 pmISP - PHX
1 stop13h 29mFrontier
Deal found 11/22$353
This CheapOair deal was found by Cheapflights users on 11/24. 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.
Thu 12/2512:59 amPHX - ISP
1 stop10h 10mFrontier
Tue 12/3012:20 pmISP - PHX
1 stop13h 29mFrontier
Deal found 11/24$363
This CheapOair deal was found by Cheapflights users on 11/23. 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.
Mon 12/2212:59 amPHX - ISP
1 stop8h 26mFrontier
Tue 12/3012:20 pmISP - PHX
1 stop13h 29mFrontier
Deal found 11/23$393
This CheapOair deal was found by Cheapflights users on 11/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:55 pmPHX - ISP
1 stop9h 42mFrontier
Mon 12/19:02 amISP - PHX
1 stop16h 09mFrontier
Deal found 11/22$412
This CheapOair deal was found by Cheapflights users on 11/23. 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 11/2610:55 pmPHX - ISP
1 stop8h 12mFrontier
Mon 12/19:02 amISP - PHX
1 stop16h 09mFrontier
Deal found 11/23$417
This CheapOair deal was found by Cheapflights users on 11/23. 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.
Tue 11/2510:55 pmPHX - ISP
1 stop9h 23mFrontier
Sun 11/308:25 pmISP - PHX
1 stop28h 46mFrontier
Deal found 11/23$432
This CheapOair deal was found by Cheapflights users on 11/23. 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.
Sun 12/2112:59 amPHX - ISP
1 stop10h 10mFrontier
Mon 12/292:04 pmISP - PHX
1 stop11h 45mFrontier
Deal found 11/23$442
This CheapOair deal was found by Cheapflights users on 11/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2210:55 pmPHX - ISP
1 stop18h 35mFrontier
Tue 11/259:09 pmISP - PHX
1 stop28h 02mFrontier
Deal found 11/22$462
This Kiwi.com deal was found by Cheapflights users on 11/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:00 amPHX - ISP
2 stops25h 13mMultiple Airlines
Thu 12/112:19 pmISP - PHX
1 stop24h 45mMultiple Airlines
Deal found 11/22$466
This CheapOair deal was found by Cheapflights users on 11/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2210:55 pmPHX - ISP
1 stop18h 35mFrontier
Mon 11/249:02 amISP - PHX
1 stop16h 09mFrontier
Deal found 11/22$482
This CheapOair deal was found by Cheapflights users on 11/24. 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.
Sat 12/2012:59 amPHX - ISP
1 stop10h 10mFrontier
Thu 12/2512:20 pmISP - PHX
1 stop13h 29mFrontier
Deal found 11/24$542

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 November 24, 2025.
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

Wed 3/4

11:59 pm-9:47 am

1 stop7h 48m

Islip Long Island

Mon 3/9

8:19 pm-10:49 pm

1 stop29h 30m

$182

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sat 2/28

11:59 pm-4:06 pm

1 stop14h 07m

Islip Long Island

Mon 3/2

7:41 pm-10:50 pm

1 stop29h 09m

$203

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Wed 12/24

12:59 am-11:25 am

1 stop8h 26m

Islip Long Island

Mon 12/29

2:04 pm-11:49 pm

1 stop11h 45m

$304

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Wed 3/4

11:59 pm-9:47 am

1 stop7h 48m

Islip Long Island

Sun 3/8

8:19 pm-10:49 pm

1 stop29h 30m

$342

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sun 12/28

12:59 am-1:09 pm

1 stop10h 10m

Islip Long Island

Thu 1/1

12:20 pm-11:49 pm

1 stop13h 29m

$353

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 12/25

12:59 am-1:09 pm

1 stop10h 10m

Islip Long Island

Tue 12/30

12:20 pm-11:49 pm

1 stop13h 29m

$363

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Mon 12/22

12:59 am-11:25 am

1 stop8h 26m

Islip Long Island

Tue 12/30

12:20 pm-11:49 pm

1 stop13h 29m

$393

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Wed 2/11

11:59 pm-9:47 am

1 stop7h 48m

Islip Long Island

Mon 2/16

7:41 pm-10:50 pm

1 stop29h 09m

$396

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 12/25

12:59 am-1:09 pm

1 stop10h 10m

Islip Long Island

Thu 1/1

12:20 pm-11:49 pm

1 stop13h 29m

$412

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sun 12/21

12:59 am-1:09 pm

1 stop10h 10m

Islip Long Island

Mon 12/29

2:04 pm-11:49 pm

1 stop11h 45m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Phoenix Sky Harbor Intl Airport-Islip, New York flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, March is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Islip, New York (average of $109). Flying from Phoenix Sky Harbor Intl Airport to Islip, New York in June is currently the most expensive (average of $199). 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.

What is the cheapest time of day to fly from PHX to ISP?

Find hourly flight availability from Sky Harbor Intl to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 24, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 61% on flights from Phoenix Sky Harbor Intl Airport to Islip, New York by exploring options for tickets in the evening.

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 November 24, 2025.
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
4,252 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 fly from Phoenix Sky Harbor Intl Airport to Islip, New York in about 7h 48m. The time it takes to get you to your destination can typically vary by up to . The distance between Phoenix Sky Harbor Intl Airport and Islip, New York is about 2182 mi.

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

    Currently priced at $350, 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 17% 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, March is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Islip, New York (average of $109). Flying from Phoenix Sky Harbor Intl Airport to Islip, New York in June is currently the most expensive (average of $199). 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?

Book flights to Islip if you plan to visit one of these locations
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Browse thousands of different options on Cheapflights for your next trip

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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 November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$350Average$446FlexibilityNo cancel feeOn-time63%

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