$141+ Cheap flights from Phoenix 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — ISP
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Phoenix to Islip with Cheapflights
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Cheapest flights from Phoenix to IslipExplore 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 September 10, 2026.
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 September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/10. 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.
Wed 10/1410:55 pm -
1 stop8h 25m
Wed 10/214:20 pm -
1 stop9h 20m
Deal found 9/10![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 9/10. 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.
Fri 10/3010:55 pm -
1 stop8h 55m
Tue 12/14:05 pm -
2 stops9h 30m
Deal found 9/10![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 9/6. 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 11/512:30 am -
1 stop10h 10m
Tue 11/106:05 am -
2 stops11h 05m
Deal found 9/6![Southwest logo]()
$430
This Southwest deal was found by Cheapflights users on 9/7. 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 9/2811:10 pm -
1 stop8h 05m
Thu 10/85:40 pm -
1 stop9h 30m
Deal found 9/7![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 9/6. 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 11/51:35 pm -
1 stop7h 55m
Mon 11/95:40 pm -
2 stops8h 30m
Deal found 9/6![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 9/7. 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 10/1511:40 am -
2 stops9h 00m
Thu 10/296:00 am -
2 stops10h 00m
Deal found 9/7![Southwest logo]()
$443
This Southwest deal was found by Cheapflights users on 9/9. 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.
Fri 11/205:00 am -
1 stop10h 05m
Thu 12/36:05 am -
2 stops9h 40m
Deal found 9/9![Southwest logo]()
$444
This Southwest deal was found by Cheapflights users on 9/6. 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 10/295:00 am -
1 stop9h 00m
Sun 11/15:35 am -
1 stop12h 35m
Deal found 9/6![Southwest logo]()
$460
Best flights from Phoenix to IslipDiscover carefully curated flight deals from Phoenix to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Phoenix to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/6. 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 11/512:30 am -
1 stop10h 10m
Tue 11/106:05 am -
2 stops11h 05m
Deal found 9/6![Southwest logo]()
$430
This Southwest deal was found by Cheapflights users on 9/6. 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 11/51:35 pm -
1 stop7h 55m
Mon 11/95:35 am -
1 stop12h 35m
Deal found 9/6![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 9/9. 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.
Fri 11/205:45 am -
2 stops9h 20m
Thu 12/36:05 am -
2 stops10h 10m
Deal found 9/9![Southwest logo]()
$443
This Southwest deal was found by Cheapflights users on 9/6. 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 10/295:00 am -
1 stop6h 30m
Sun 11/15:35 am -
2 stops9h 25m
Deal found 9/6![Southwest logo]()
$460
This Southwest deal was found by Cheapflights users on 9/9. 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 9/238:55 am -
2 stops9h 15m
Wed 10/74:20 pm -
1 stop8h 45m
Deal found 9/9![Southwest logo]()
$498
This Southwest deal was found by Cheapflights users on 9/8. 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 9/2811:10 pm -
1 stop8h 05m
Thu 10/85:40 pm -
1 stop9h 30m
Deal found 9/8![Southwest logo]()
$515
Last-minute flights from Phoenix to IslipDiscover last-minute flight deals from Phoenix to Islip. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Phoenix to Islip. Data last updated September 10, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/8. 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 9/2311:10 pm -
1 stop7h 30m
Wed 10/74:20 pm -
1 stop8h 45m
Deal found 9/8![Southwest logo]()
$493
This Southwest deal was found by Cheapflights users on 9/7. 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 9/2811:10 pm -
1 stop8h 05m
Thu 10/85:40 pm -
1 stop9h 30m
Deal found 9/7![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 9/10. 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.
Wed 10/1410:55 pm -
1 stop8h 25m
Wed 10/214:20 pm -
1 stop9h 20m
Deal found 9/10![Southwest logo]()
$393
This Southwest deal was found by Cheapflights users on 9/7. 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 10/155:00 am -
1 stop9h 00m
Thu 10/295:40 pm -
2 stops8h 55m
Deal found 9/7![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 9/6. 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 10/295:00 am -
1 stop9h 00m
Sun 11/15:35 am -
1 stop12h 35m
Deal found 9/6![Southwest logo]()
$460
This Southwest deal was found by Cheapflights users on 9/10. 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.
Fri 10/3010:55 pm -
1 stop8h 55m
Tue 12/14:05 pm -
2 stops9h 30m
Deal found 9/10![Southwest logo]()
$394
One-way flights from Phoenix to IslipSearch for one-way flight options from Phoenix to Islip. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Phoenix to Islip. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Expedia deal was found by Cheapflights users on 9/9. 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.
Sat 10/1710:12 pm -
1 stop16h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:03 am -
2 stops24h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$181
This Southwest deal was found by Cheapflights users on 9/8. 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.
Sat 11/146:00 am -
1 stop6h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 9/6. 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 10/1210:55 pm -
2 stops13h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$228
This Frontier deal was found by Cheapflights users on 9/5. 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 9/5![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:48 pm -
2 stops35h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$250
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Fri 10/910:12 pm -
1 stop16h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:25 am -
2 stops25h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:51 pm -
3 stops58h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$276
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 September 10, 2026.
Round-trip from | $393 (Southwest) |
|---|---|
One-way from | $141 (Expedia) |
Popular in | June |
Cheapest in | March |
Average price | $446 |
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 7,457,451 searches. Data last updated September 10, 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
Cheapest round-trip
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Sat 10/17
10:12 pm-5:30 pm
1 stop16h 18m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$141
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Mon 10/12
10:55 pm-3:30 pm
2 stops13h 35m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$228
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Thu 10/8
8:51 pm-10:17 am
3 stops58h 26m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$276
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Thu 10/8
5:20 am-5:00 pm
2 stops8h 40m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$280
Quickest round-trip
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Fri 10/2
1:05 pm-11:35 pm
1 stop7h 30m
Islip Long Island
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$299
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Thu 11/5
12:30 am-12:40 pm
1 stop10h 10m
Islip Long Island
Tue 11/10
6:05 am-3:10 pm
2 stops11h 05m
$430
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Thu 11/5
1:35 pm-11:30 pm
1 stop7h 55m
Islip Long Island
Mon 11/9
5:35 am-4:10 pm
1 stop12h 35m
$438
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Fri 11/20
5:45 am-5:05 pm
2 stops9h 20m
Islip Long Island
Thu 12/3
6:05 am-2:15 pm
2 stops10h 10m
$443
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Thu 10/29
5:00 am-2:30 pm
1 stop6h 30m
Islip Long Island
Sun 11/1
5:35 am-1:00 pm
2 stops9h 25m
$460
PhoenixIslip
PHX Phoenix Sky Harbor Intl - ISP Islip Long Island
PHXISP
Phoenix Sky Harbor Intl
Wed 9/23
8:55 am-9:10 pm
2 stops9h 15m
Islip Long Island
Wed 10/7
4:20 pm-10:05 pm
1 stop8h 45m
$498
Showing 1-10 of 11 resultsSorted 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.
PH1-ISP
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.
Cheapflights Insights
Everything you need to know about your flight from Phoenix to Islip
PH1-ISP
PHX-ISP
No data available for this route at this time. Please check back soon.
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 September 10, 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.
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
Traveling to a place near Islip?
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 September 10, 2026.
Phoenix and Islip flights
Browse other Phoenix and Islip flight options. Last updated on September 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$347 | Average$477 | FlexibilityNo cancel fee | On-time63% |