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Sky Harbor Intl

$182+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PHX
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
1 adult, Economy
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Cheap 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 June 12, 2026.

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 8/274:05 pm
ISP
-
PHX
1 stop9h 15m
Southwest
Thu 9/1011:05 pm
PHX
-
ISP
1 stop9h 50m
Southwest
Deal found 6/10$363
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.
Fri 10/95:00 pm
ISP
-
PHX
1 stop10h 25m
Southwest
Tue 10/1310:30 pm
PHX
-
ISP
1 stop11h 00m
Southwest
Deal found 6/10$371
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/269:52 pm
ISP
-
PHX
1 stop15h 35m
Frontier
Mon 6/2912:35 am
PHX
-
ISP
1 stop12h 21m
Frontier
Deal found 6/11$410
This Southwest deal was found by Cheapflights users on 6/9. 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.
Thu 11/124:25 pm
ISP
-
PHX
1 stop10h 20m
Southwest
Sat 11/1412:30 am
PHX
-
ISP
1 stop10h 10m
Southwest
Deal found 6/9$415
This Southwest deal was found by Cheapflights users on 6/9. 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.
Thu 10/2210:20 am
ISP
-
PHX
2 stops9h 15m
Southwest
Sat 10/317:45 am
PHX
-
ISP
2 stops9h 30m
Southwest
Deal found 6/9$425
This Frontier deal was found by Cheapflights users on 6/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:52 pm
ISP
-
PHX
1 stop15h 35m
Frontier
Mon 6/2212:35 am
PHX
-
ISP
1 stop12h 21m
Frontier
Deal found 6/8$440
This Gotogate deal was found by Cheapflights users on 6/8. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:48 am
ISP
-
PHX
1 stop26h 42m
Frontier
Thu 7/912:12 am
PHX
-
ISP
1 stop30h 41m
Frontier
Deal found 6/8$449
This Frontier deal was found by Cheapflights users on 6/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:52 pm
ISP
-
PHX
1 stop15h 35m
Frontier
Mon 6/2212:35 am
PHX
-
ISP
1 stop12h 21m
Frontier
Deal found 6/8$460

Find 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 June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(Southwest)

One-way from

$182
(Southwest)

Popular in

December

Cheapest in

January

Average price

$418
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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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 2026
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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 June 12, 2026.
Use the filters below to find and compare flights from Islip to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Fri 10/9

5:00 pm-12:25 am

1 stop10h 25m

Phoenix Sky Harbor Intl

Tue 10/13

10:30 pm-12:30 pm

1 stop11h 00m

$371

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Fri 6/26

9:52 pm-10:27 am

1 stop15h 35m

Phoenix Sky Harbor Intl

Mon 6/29

12:35 am-3:56 pm

1 stop12h 21m

$410

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 11/12

4:25 pm-12:45 am

1 stop10h 20m

Phoenix Sky Harbor Intl

Sat 11/14

12:30 am-12:40 pm

1 stop10h 10m

$415

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sat 7/4

10:48 am-10:30 am

1 stop26h 42m

Phoenix Sky Harbor Intl

Thu 7/9

12:12 am-9:53 am

1 stop30h 41m

$449
Quickest round-trip

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sat 8/15

3:15 pm-8:05 pm

1 stop7h 50m

Phoenix Sky Harbor Intl

Fri 8/28

5:10 am-4:25 pm

1 stop8h 15m

$467

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 10/15

5:00 pm-12:25 am

1 stop10h 25m

Phoenix Sky Harbor Intl

Sun 10/25

5:10 am-5:10 pm

1 stop9h 00m

$467

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 7/9

9:10 am-6:25 pm

2 stops12h 15m

Phoenix Sky Harbor Intl

Thu 7/16

8:20 pm-8:20 am

2 stops9h 00m

$477
Cheapest one-way
Quickest one-way

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Mon 10/19

6:00 am-12:05 pm

1 stop9h 05m

$182

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Mon 10/19

4:13 pm-11:56 pm

1 stop10h 43m

$215

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Fri 6/26

9:52 pm-10:27 am

1 stop15h 35m

$221

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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.

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 June 12, 2026.
Get a feel of what it's like to fly with Southwest from Islip to Phoenix Sky Harbor Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,235 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
7.9
Good
4,235 reviews
Southwest
7.9
Good
4,235 reviews

Crew

8.6

Food

7.0

Boarding

8.1

Overall

7.9

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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. 1 airline has flights to Phoenix Sky Harbor Intl from Islip Long Island on a regular basis.

  • How long is the flight from Islip, New York to Phoenix Sky Harbor Intl Airport?

    Southwest and Frontier can get you from Islip, New York to Phoenix Sky Harbor Intl Airport in just under 10h 25m. Your travel time can differ by up to 16h 17m. The distance from Islip, New York to Phoenix Sky Harbor Intl Airport is about 2182 mi. This flight may include one or multiple stops.

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

    Currently priced at $337, Southwest will fly you from Islip, New York to Phoenix Sky Harbor Intl Airport and back. In addition to Southwest, many other airlines offer competitively priced options for your trip.

  • 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.

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
Glendale
Buckeye
Goodyear
Paradise Valley
Peoria
Payson
Casa Grande
Chandler
Camp Verde
Globe
Surprise
Fountain Hills
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Islip to Sky Harbor Intl

Discover the top airline 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 June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$337Average$447FlexibilityNo cancel feeOn-time63%

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