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Islip

$176+ 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ISP
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$336
(Cheapflightsfares)

One-way from

$176
(Cheapflightsfares)

Popular in

August

Cheapest in

December

Average price

$470
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. 11% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:51 pmPHX - ISP
1 stop7h 46mFrontier
Mon 10/135:05 pmISP - PHX
1 stop8h 41mFrontier
Deal found 6/11$336
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1010:55 pmPHX - ISP
1 stop9h 35mSouthwest
Sat 7/1911:40 amISP - PHX
1 stop12h 20mSouthwest
Deal found 6/10$423
This Mytrip deal was found by Cheapflights users on 6/12. 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 6/2612:54 pmPHX - ISP
3 stops23h 25mMultiple Airlines
Mon 6/3010:44 amISP - PHX
3 stops36h 37mMultiple Airlines
Deal found 6/12$776

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 June 12, 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

Thu 10/9

11:51 pm-10:37 am

1 stop7h 46m

Islip Long Island

Mon 10/13

5:05 pm-10:46 pm

1 stop8h 41m

$336

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 7/10

10:55 pm-11:30 am

1 stop9h 35m

Islip Long Island

Sat 7/19

11:40 am-9:00 pm

1 stop12h 20m

$423

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 6/26

12:54 pm-3:19 pm

3 stops23h 25m

Islip Long Island

Mon 6/30

10:44 am-8:21 pm

3 stops36h 37m

$776

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 10/9

11:51 pm-10:37 am

1 stop7h 46m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $108). Flying from Phoenix Sky Harbor Intl Airport to Islip, New York in November is currently the most expensive (average of $213). 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 June 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 62% on flights from Phoenix Sky Harbor Intl Airport to Islip, New York by exploring options for tickets in the afternoon.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, New York, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Southwest and Frontier from Phoenix to Islip to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
5.9
Fair
3,295 reviews
Southwest
8.0
Very good
4,287 reviews

Food

7.1

Entertainment

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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

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

    Currently priced at $336, Frontier will fly you from Phoenix Sky Harbor Intl Airport to Islip, New York and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Southwest for as low as $423. These flights start at 15% 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 $108). Flying from Phoenix Sky Harbor Intl Airport to Islip, New York in November is currently the most expensive (average of $213). 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
Southampton
Riverhead

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Top 2 airlines flying from Sky Harbor Intl to Islip

Discover the top 2 airlines 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$157Average$208FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$369Average$476FlexibilityNo cancel feeOn-time63%

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