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Islip

$270+ Cheap flights from Phoenix 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ISP
Aug 14 — Aug 211
Fri 8/14
Fri 8/21
1 adult, Economy
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Cheap flight deals from Phoenix to Islip

Cheapest flights from Phoenix to Islip
Explore the most affordable flight options available from Phoenix to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 15, 2026.

This Frontier deal was found by Cheapflights users on 7/10. 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.
Tue 10/1310:51 pm
PHX
-
ISP
1 stop13h 12m
Frontier
Sat 10/174:13 pm
ISP
-
PHX
1 stop10h 43m
Frontier
Deal found 7/10$288
This Southwest deal was found by Cheapflights users on 7/10. 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.
Mon 8/245:10 am
PHX
-
ISP
1 stop8h 15m
Southwest
Thu 8/274:05 pm
ISP
-
PHX
1 stop9h 15m
Southwest
Deal found 7/10$300
This Southwest deal was found by Cheapflights users on 7/13. 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 9/308:55 am
PHX
-
ISP
2 stops9h 10m
Southwest
Wed 10/74:20 pm
ISP
-
PHX
1 stop9h 15m
Southwest
Deal found 7/13$316
This Southwest deal was found by Cheapflights users on 7/13. 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 10/218:15 am
PHX
-
ISP
2 stops8h 40m
Southwest
Mon 10/265:40 pm
ISP
-
PHX
2 stops8h 45m
Southwest
Deal found 7/13$321
This Southwest deal was found by Cheapflights users on 7/13. 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.
Tue 8/1111:10 pm
PHX
-
ISP
1 stop8h 05m
Southwest
Mon 8/176:10 am
ISP
-
PHX
2 stops8h 45m
Southwest
Deal found 7/13$394
This Southwest deal was found by Cheapflights users on 7/14. 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.
Tue 12/225:00 am
PHX
-
ISP
1 stop9h 20m
Southwest
Wed 12/304:55 pm
ISP
-
PHX
1 stop9h 20m
Southwest
Deal found 7/14$442

Find flight deals from Phoenix to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) 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 July 15, 2026.

Round-trip from

$288
(Frontier)

One-way from

$270
(Southwest)

Popular in

June

Cheapest in

March

Average price

$553
From Phoenix to Islip Long Island
Search Deals
One-way flight from Phoenix to Islip Long Island
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Phoenix 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 July 15, 2026.
Use the filters below to find and compare flights from Phoenix to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Mon 8/24

5:10 am-4:25 pm

1 stop8h 15m

Islip Long Island

Thu 8/27

4:05 pm-10:20 pm

1 stop9h 15m

$300

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Wed 9/30

8:55 am-9:05 pm

2 stops9h 10m

Islip Long Island

Wed 10/7

4:20 pm-10:35 pm

1 stop9h 15m

$316
Quickest round-trip

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Fri 8/28

5:10 am-4:25 pm

1 stop8h 15m

Islip Long Island

Sun 8/30

10:30 am-4:15 pm

1 stop8h 45m

$467

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Wed 8/5

11:05 pm-11:55 am

1 stop9h 50m

Islip Long Island

Sun 8/9

6:20 am-1:40 pm

2 stops10h 20m

$527

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Mon 7/27

7:55 am-11:45 pm

1 stop12h 50m

Islip Long Island

Fri 7/31

6:00 am-12:40 pm

2 stops9h 40m

$598

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 7/30

11:05 pm-10:30 am

1 stop8h 25m

Islip Long Island

Sun 8/2

6:00 am-1:05 pm

2 stops10h 05m

$628

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sat 8/1

11:05 pm-10:05 am

1 stop8h 00m

Islip Long Island

Sun 8/9

4:35 pm-10:45 pm

1 stop9h 10m

$647
Cheapest one-way

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sat 8/1

11:05 pm-10:05 am

1 stop8h 00m

$270
Quickest one-way

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Wed 7/29

5:05 am-4:00 pm

1 stop7h 55m

$294

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sat 8/1

9:50 pm-12:20 pm

3 stops35h 30m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/11

Sorted by cheapest first

Best time to book a flight from Phoenix to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Phoenix 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 to Islip

How much does it cost to fly round-trip from Phoenix to Islip, New York?

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 July 15, 2026.
Read reviews from past customers who have flown Southwest from Phoenix to Islip. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
6.0
Good

Sharilynn,May 2024

HOU - LGA

The free WiFi was so bad, I couldn’t even watch an inflight movie.
Southwest
8.0
Very good
4,244 reviews
Southwest
8.0
Very good
4,244 reviews

Overall

8.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Reviews

1 / 20
6.0
Good

Sharilynn,May 2024

HOU - LGA

The free WiFi was so bad, I couldn’t even watch an inflight movie.

Related info for your journey

Find useful and relevant information for your journey from Phoenix 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?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from Phoenix. On average, Long Island has 0 inbound flights from Phoenix per day from 1 airline. Islip Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • How long is the flight from Phoenix to Islip, New York?

    A quick flight from Phoenix to Islip, New York can take about 8h 15m. Southwest provides one of the quickest options available for as low as $300. Airlines will cover a distance of 2182 mi.

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

    Cheapflights users have booked flights from Phoenix to Islip, New York round-trip from $342. Southwest is priced at 24% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Phoenix to Islip that include hotel bookings?

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

  • How can I find direct flights from Phoenix to Islip?

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

  • Can I find deals for business class flights from Phoenix to Islip?

    Yes. Cheapflights offers flight deals from Phoenix 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.

See more FAQs

Traveling to a place near Islip?

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Riverhead

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Top airline flying from Phoenix to Islip

Discover the top airline that operate flights from Phoenix 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 July 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$342Average$471FlexibilityNo cancel feeOn-time63%

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