$216+ Cheap flights from Sky Harbor Intl (PHX) to Islip, NY (ISP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ISP
Dec 3 — Dec 101
Round-trip
1 adult, Economy
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Find cheap flights from Sky Harbor Intl to Islip with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sky Harbor Intl to Islip
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One-way
Cheapest flights from Sky Harbor Intl to IslipExplore 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 3, 2026.
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 3, 2026.
This Southwest deal was found by Cheapflights users on 11/1. 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 12/1411:40 pm -
1 stop10h 05m
Sun 1/103:25 pm -
1 stop8h 25m
Deal found 11/1![Southwest logo]()
$458
This Southwest deal was found by Cheapflights users on 11/1. 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 12/145:10 am -
2 stops9h 05m
Mon 12/214:55 pm -
1 stop9h 30m
Deal found 11/1![Southwest logo]()
$490
This Southwest deal was found by Cheapflights users on 11/1. 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.
Sun 12/135:45 am -
2 stops9h 20m
Sun 1/103:25 pm -
1 stop8h 25m
Deal found 11/1![Southwest logo]()
$512
This Southwest deal was found by Cheapflights users on 11/2. 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 12/155:10 am -
2 stops9h 05m
Tue 12/224:55 pm -
1 stop9h 30m
Deal found 11/2![Southwest logo]()
$572
This Southwest deal was found by Cheapflights users on 11/2. 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 11/176:05 am -
1 stop8h 10m
Sat 11/215:05 pm -
1 stop9h 25m
Deal found 11/2![Southwest logo]()
$637
Best flights from Sky Harbor Intl to IslipDiscover carefully curated flight deals from Sky Harbor Intl to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
Discover carefully curated flight deals from Sky Harbor Intl to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2026.
This Southwest deal was found by Cheapflights users on 11/1. 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 12/1411:40 pm -
1 stop10h 05m
Sun 1/103:25 pm -
1 stop8h 25m
Deal found 11/1![Southwest logo]()
$458
This Southwest deal was found by Cheapflights users on 11/1. 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 12/1411:40 pm -
1 stop10h 05m
Mon 12/214:55 pm -
1 stop9h 30m
Deal found 11/1![Southwest logo]()
$490
This Southwest deal was found by Cheapflights users on 11/1. 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.
Sun 12/135:45 am -
2 stops9h 20m
Sun 1/103:25 pm -
1 stop8h 25m
Deal found 11/1![Southwest logo]()
$512
This Southwest deal was found by Cheapflights users on 11/2. 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 12/155:10 am -
2 stops9h 05m
Tue 12/224:55 pm -
1 stop9h 30m
Deal found 11/2![Southwest logo]()
$572
This Southwest deal was found by Cheapflights users on 10/31. 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 11/191:20 pm -
1 stop6h 25m
Mon 11/304:55 pm -
2 stops10h 45m
Deal found 10/31![Southwest logo]()
$672
Last-minute flights from Sky Harbor Intl to IslipDiscover last-minute flight deals from Sky Harbor Intl to Islip. Data last updated November 3, 2026 and is based on user searches.
Discover last-minute flight deals from Sky Harbor Intl to Islip. Data last updated November 3, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 10/29. 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.
Mon 11/162:04 pm -
3 stops19h 16m
Wed 11/1812:00 pm -
3 stops27h 19m
Deal found 10/29![Breeze Airways logo]()
$1,098
This Southwest deal was found by Cheapflights users on 11/2. 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 11/176:05 am -
1 stop8h 10m
Sat 11/215:05 pm -
1 stop9h 25m
Deal found 11/2![Southwest logo]()
$637
This Mytrip deal was found by Cheapflights users on 11/2. 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.
Tue 11/172:04 pm -
3 stops42h 13m
Sat 11/2112:00 pm -
3 stops27h 19m
Deal found 11/2![Breeze Airways logo]()
$1,118
This Frontier deal was found by Cheapflights users on 11/1. 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.
Wed 11/189:59 pm -
2 stops17h 32m
Tue 11/244:40 pm -
2 stops17h 38m
Deal found 11/1![Frontier logo]()
$899
This KAYAK deal was found by Cheapflights users on 11/1. 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.
Wed 11/184:04 pm -
2 stops23h 29m
Wed 11/257:35 pm -
1 stop19h 44m
Deal found 11/1![Breeze Airways logo]()
$988
This Southwest deal was found by Cheapflights users on 10/31. 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 11/191:20 pm -
1 stop6h 25m
Mon 11/304:55 pm -
2 stops10h 45m
Deal found 10/31![Southwest logo]()
$672
This Mytrip deal was found by Cheapflights users on 10/31. 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 11/197:51 pm -
2 stops17h 54m
Mon 11/304:40 pm -
3 stops31h 25m
Deal found 10/31![Multiple Airlines logo]()
$795
One-way flights from Sky Harbor Intl to IslipSearch for one-way flight options from Sky Harbor Intl to Islip. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
Search for one-way flight options from Sky Harbor Intl to Islip. Find affordable one-way fares based on user searches. Data last updated November 3, 2026.
This Frontier deal was found by Cheapflights users on 11/1. 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.
Mon 11/2311:14 pm -
1 stop14h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$216
This Frontier deal was found by Cheapflights users on 10/31. 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.
Thu 2/1111:00 pm -
1 stop10h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 11/1. 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 11/2411:14 pm -
1 stop14h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$236
This JetBlue deal was found by Cheapflights users on 11/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1511:34 am -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![JetBlue logo]()
$280
This Southwest deal was found by Cheapflights users on 11/1. 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.
Sun 12/135:45 am -
2 stops9h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Southwest logo]()
$286
This KAYAK deal was found by Cheapflights users on 11/1. 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.
Wed 11/2511:15 am -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![JetBlue logo]()
$295
This JetBlue deal was found by Cheapflights users on 10/31. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:15 am -
1 stop9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![JetBlue logo]()
$485
This JetBlue deal was found by Cheapflights users on 11/2. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2311:39 am -
1 stop8h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![JetBlue logo]()
$495
This Frontier deal was found by Cheapflights users on 10/29. 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.
Wed 11/119:59 pm -
2 stops17h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$541
Find 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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $458 (Southwest) |
One-way from | $216 (Frontier) |
Popular in | December |
Cheapest in | March |
Average price | $412 |
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 7,457,451 searches. Data last updated November 3, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Thu 2/11
11:00 pm-11:04 am
1 stop10h 04m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$229
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Tue 11/24
11:14 pm-3:45 pm
1 stop14h 31m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$236
Quickest round-trip
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Tue 4/13
11:25 am-9:57 pm
1 stop7h 32m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$280
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Sun 12/13
5:45 am-5:05 pm
2 stops9h 20m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$286
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Mon 11/23
8:59 pm-3:45 pm
2 stops16h 46m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$312
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Mon 12/14
11:40 pm-11:45 am
1 stop10h 05m
Islip Long Island
Sun 1/10
3:25 pm-9:50 pm
1 stop8h 25m
$458
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Mon 12/14
11:40 pm-11:45 am
1 stop10h 05m
Islip Long Island
Mon 12/21
4:55 pm-12:25 am
1 stop9h 30m
$490
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Wed 12/23
11:39 am-9:50 pm
1 stop8h 11m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$495
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Sun 12/13
5:45 am-5:05 pm
2 stops9h 20m
Islip Long Island
Sun 1/10
3:25 pm-9:50 pm
1 stop8h 25m
$512
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Wed 11/11
9:59 pm-5:31 pm
2 stops17h 32m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$541
Showing 1-10 of 16 resultsSorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Phoenix Sky Harbor Intl Airport-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phoenix Sky Harbor Intl Airport-Islip, New York flight deals on Cheapflights vs. FlightHub >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 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 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.
PHX-ISP
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.
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 3, 2026.
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.
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
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.
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Book flights to Islip if you plan to visit one of these locationsRiverhead
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Other flights to Islip
Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 3, 2026.
Sky Harbor Intl and Islip flights
Browse other Sky Harbor Intl and Islip flight options. Last updated on November 3, 2026.
Other flights from Sky Harbor Intl
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on November 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated November 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$332 | Average$523 | FlexibilityNo cancel fee | On-time63% |