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Sky Harbor Intl

$146+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PHX
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheap 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$308
(Booking.com)

One-way from

$146
(Trip.com)

Popular in

October

Cheapest in

May

Average price

$365
Provider with most accurate pricing for Islip Long Island-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Phoenix Sky Harbor Intl flights.
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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
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Highest demand for flights based on searches. 17% potential increase in price ($86 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 25, 2025.

This Booking.com deal was found by Cheapflights users on 3/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/79:29 pmISP - PHX
1 stop28h 35mFrontier
Mon 4/1411:24 pmPHX - ISP
1 stop7h 36mFrontier
Deal found 3/24$308
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/55:45 pmISP - PHX
1 stop8h 25mSouthwest
Fri 6/1311:20 pmPHX - ISP
2 stops9h 15mSouthwest
Deal found 3/24$394
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1710:50 amISP - PHX
3 stops32h 51mMultiple Airlines
Thu 4/246:40 pmPHX - ISP
2 stops20h 19mMultiple Airlines
Deal found 3/24$857
This KAYAK deal was found by Cheapflights users on 3/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2010:50 amISP - PHX
3 stops29h 02mBreeze Airways
Fri 4/251:37 pmPHX - ISP
3 stops21h 18mBreeze Airways
Deal found 3/24$1,263

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 March 25, 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

Mon 4/7

9:29 pm-11:04 pm

1 stop28h 35m

Phoenix Sky Harbor Intl

Mon 4/14

11:24 pm-10:00 am

1 stop7h 36m

$308

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 6/5

5:45 pm-11:10 pm

1 stop8h 25m

Phoenix Sky Harbor Intl

Fri 6/13

11:20 pm-11:35 am

2 stops9h 15m

$394

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 4/17

10:50 am-4:41 pm

3 stops32h 51m

Phoenix Sky Harbor Intl

Thu 4/24

6:40 pm-5:59 pm

2 stops20h 19m

$857

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sun 4/20

10:50 am-12:52 pm

3 stops29h 02m

Phoenix Sky Harbor Intl

Fri 4/25

1:37 pm-1:55 pm

3 stops21h 18m

$1,263

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Mon 4/21

9:29 pm-2:02 pm

1 stop19h 33m

$146

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 5/1

12:30 pm-10:40 pm

2 stops13h 10m

$234

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 4/30

7:19 pm-1:28 pm

3 stops21h 09m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >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 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 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 $258). Flying from Islip, New York to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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 March 25, 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 morning. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight at noon.

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 in.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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 March 25, 2025.
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Breeze Airways
8.0
Very good
156 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
6.0
Okay
3,273 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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. 2 airlines have flights to Phoenix Sky Harbor Intl from Islip Long Island on a regular basis.

  • What are the cheapest airlines flying from Islip, New York to Phoenix Sky Harbor Intl Airport round-trip?

    Currently priced at $308, Frontier will fly you from Islip, New York to Phoenix Sky Harbor Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Breeze Airways - these airlines can fly you to your destination from $394 and $1,263, respectively. Frontier is currently priced 23% 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 $258). Flying from Islip, New York to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $337). 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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Top 2 airlines flying from Islip to Sky Harbor Intl

Discover the top 2 airlines 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$190Average$258FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$426Average$456FlexibilityNo cancel feeOn-time63%
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