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Sky Harbor Intl

$81+ Cheap flights from Islip, NY (ISP) to Sky Harbor Intl (PHX)

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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PHX
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Islip to Sky Harbor Intl

Cheapest flights from Islip to Sky Harbor Intl
Explore the most affordable flight options available from Islip to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This CheapOair deal was found by Cheapflights users on 12/11. 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.
sáb. 12/206:40 pmISP - PHX
1 stop31h 11mFrontier
sáb. 12/2712:59 amPHX - ISP
1 stop10h 10mFrontier
Deal found 12/11$388
This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1812:20 pmISP - PHX
1 stop13h 29mFrontier
sáb. 12/2012:59 amPHX - ISP
1 stop16h 41mFrontier
Deal found 12/11$413
This Frontier deal was found by Cheapflights users on 12/10. 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.
dom. 12/212:04 pmISP - PHX
1 stop11h 47mFrontier
sáb. 12/2712:59 amPHX - ISP
1 stop10h 10mFrontier
Deal found 12/10$437
This CheapOair deal was found by Cheapflights users on 12/11. 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.
vie. 12/191:27 pmISP - PHX
1 stop12h 22mFrontier
dom. 12/2112:59 amPHX - ISP
1 stop16h 41mFrontier
Deal found 12/11$448
This Frontier deal was found by Cheapflights users on 12/10. 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.
lun. 12/222:04 pmISP - PHX
1 stop11h 45mFrontier
dom. 12/2812:59 amPHX - ISP
1 stop10h 10mFrontier
Deal found 12/10$463
This CheapOair deal was found by Cheapflights users on 12/10. 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.
jue. 12/2512:20 pmISP - PHX
1 stop13h 29mFrontier
dom. 12/2812:59 amPHX - ISP
1 stop16h 41mFrontier
Deal found 12/10$484
This Frontier deal was found by Cheapflights users on 12/10. 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.
lun. 12/222:04 pmISP - PHX
1 stop11h 45mFrontier
sáb. 12/2712:59 amPHX - ISP
1 stop10h 10mFrontier
Deal found 12/10$487
This Frontier deal was found by Cheapflights users on 12/10. 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.
dom. 12/212:04 pmISP - PHX
1 stop11h 47mFrontier
mié. 12/2412:59 amPHX - ISP
1 stop8h 26mFrontier
Deal found 12/10$492
This Frontier deal was found by Cheapflights users on 12/11. 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.
vie. 12/191:27 pmISP - PHX
1 stop12h 22mFrontier
lun. 12/2212:59 amPHX - ISP
1 stop8h 26mFrontier
Deal found 12/11$497
This CheapOair deal was found by Cheapflights users on 12/10. 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.
vie. 12/191:27 pmISP - PHX
1 stop12h 22mFrontier
sáb. 1/312:59 amPHX - ISP
1 stop10h 10mFrontier
Deal found 12/10$498

Find flight deals from Islip to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Sky Harbor Intl (PHX). 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 diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$313
(CheapOair)

One-way from

$81
(CheapOair)

Popular in

December

Cheapest in

April

Average price

$733
Provider with most accurate pricing for Islip Long Island-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Phoenix Sky Harbor Intl flights.
Search Deals
From Islip Long Island to Phoenix Sky Harbor Intl
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One-way flight from Islip Long Island to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Sky Harbor Intl 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 diciembre 12, 2025.
Use the filters below to find and compare flights from Islip to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Islip

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

sáb. 2/21

8:23 pm-5:57 pm

1 stop23h 34m

Phoenix Sky Harbor Intl

mar. 2/24

11:59 pm-1:13 pm

1 stop11h 14m

$313

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

dom. 3/1

5:51 pm-6:07 pm

1 stop26h 16m

Phoenix Sky Harbor Intl

sáb. 3/7

12:59 am-4:23 pm

1 stop12h 24m

$337

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

jue. 1/22

6:00 am-11:50 am

1 stop7h 50m

Phoenix Sky Harbor Intl

mar. 1/27

1:25 pm-9:55 pm

1 stop6h 30m

$380

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

jue. 3/5

1:27 pm-10:49 pm

1 stop11h 22m

Phoenix Sky Harbor Intl

sáb. 3/7

12:59 am-4:23 pm

1 stop12h 24m

$406

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

jue. 12/25

12:20 pm-11:49 pm

1 stop13h 29m

Phoenix Sky Harbor Intl

dom. 12/28

12:59 am-1:09 pm

1 stop10h 10m

$413

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

jue. 1/1

12:20 pm-11:49 pm

1 stop13h 29m

Phoenix Sky Harbor Intl

dom. 1/4

12:59 am-1:09 pm

1 stop10h 10m

$413

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

jue. 2/19

3:34 pm-6:04 pm

1 stop28h 30m

Phoenix Sky Harbor Intl

dom. 3/1

11:59 pm-2:39 pm

1 stop12h 40m

$413

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

jue. 2/19

1:26 pm-10:49 pm

1 stop11h 23m

Phoenix Sky Harbor Intl

lun. 2/23

11:05 pm-10:02 am

1 stop8h 57m

$424

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

jue. 1/15

11:50 am-8:10 pm

2 stops10h 20m

Phoenix Sky Harbor Intl

dom. 1/18

5:30 am-4:15 pm

1 stop8h 45m

$425

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

dom. 1/11

8:40 pm-11:55 am

2 stops17h 15m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 16 results
1
2

Compare providers for flights from Islip to Sky Harbor Intl

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 Islip to Sky Harbor Intl in December.
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 Islip, New York-Phoenix Sky Harbor Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Islip, New York-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Islip, New York-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Phoenix Sky Harbor Intl Airport 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 Islip, New York-Phoenix Sky Harbor Intl Airport 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 Islip to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Islip 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 Islip to Phoenix Sky Harbor Intl Airport

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

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Phoenix Sky Harbor Intl Airport (average of $138). Flying from Islip, New York to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $251). 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 ISP to PHX?

Find hourly flight availability from Islip to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Islip, New York to Phoenix Sky Harbor Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 51% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated diciembre 12, 2025.
Get a feel of what it's like to fly with Southwest from Islip to Phoenix Sky Harbor Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

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
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Entertainment

7.5

Crew

8.6

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

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 Islip to Sky Harbor Intl. 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 from for flights from Islip to Phoenix Sky Harbor Intl?

    For a flight from Islip to Phoenix Sky Harbor Intl, you will be flying from 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 outbound flights to Phoenix Sky Harbor Intl per day. 1 airline has flights to Phoenix Sky Harbor Intl from Islip Long Island on a regular basis.

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

    Frontier and Southwest can get you from Islip, New York to Phoenix Sky Harbor Intl Airport in just under 7h 50m. Your travel time can differ by up to 15h 44m. The distance from Islip, New York to Phoenix Sky Harbor Intl Airport is about 2182 mi. This flight may include one or multiple stops.

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

    Currently priced at $332, Southwest will fly you from Islip, New York to Phoenix Sky Harbor Intl Airport and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Southwest is currently priced 29% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Sky Harbor Intl 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 Islip, New York to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Phoenix Sky Harbor Intl Airport (average of $138). Flying from Islip, New York to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of $251). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Paradise Valley
Payson
Glendale
Casa Grande
Chandler
Globe
Peoria
Camp Verde
Buckeye
Surprise
Avondale
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Islip to Sky Harbor Intl

Discover the top airline that operate flights from Islip to Sky Harbor Intl. 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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$332Average$456FlexibilityNo cancel feeOn-time63%

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