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$111+ Cheap flights from Islip, NY (ISP) to Phoenix

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PHX
May 19 — May 261
Mon 5/19
Mon 5/26
1 adult, Economy
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Cheap flight deals from Islip to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Phoenix (PH1). 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 May 14, 2025.

Round-trip from

$240
(FlightHub)

One-way from

$129
(Trip.com)

Popular in

October

Cheapest in

April

Average price

$498
From Islip Long Island to Phoenix
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One-way flight from Islip Long Island to Phoenix
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Highest demand for flights based on searches. 13% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Islip to Phoenix

Cheapest flights from Islip to Phoenix
Explore the most affordable flight options available from Islip to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 14, 2025.

This FlightHub deal was found by Cheapflights users on 5/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/249:06 pmISP - PHX
1 stop22h 21mFrontier
Sat 5/315:32 pmPHX - ISP
1 stop23h 09mFrontier
Deal found 5/13$240
This Southwest deal was found by Cheapflights users on 5/13. 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.
Mon 9/16:00 amISP - PHX
1 stop9h 25mSouthwest
Sun 9/76:25 amPHX - ISP
1 stop10h 25mSouthwest
Deal found 5/13$375
This Mytrip deal was found by Cheapflights users on 5/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1810:44 amISP - PHX
3 stops30h 27mMultiple Airlines
Fri 8/225:20 pmPHX - ISP
2 stops22h 25mMultiple Airlines
Deal found 5/13$619
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2310:44 amISP - PHX
2 stops37h 51mBreeze Airways
Mon 5/2612:25 pmPHX - ISP
3 stops51h 20mBreeze Airways
Deal found 5/14$1,149

Cheapflights Fare Finder

Customize your flight search to find flights from Islip to Phoenix 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 May 14, 2025.
Use the filters below to find and compare flights from Islip to Phoenix that are best for you.

Fly from

Islip

Fly to

Phoenix

Route

Depart

Return

Price

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sat 5/24

9:06 pm-4:27 pm

1 stop22h 21m

Phoenix Sky Harbor Intl

Sat 5/31

5:32 pm-7:41 pm

1 stop23h 09m

$240

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 7/10

2:40 pm-7:45 pm

2 stops8h 05m

Phoenix Sky Harbor Intl

Sun 7/13

9:50 pm-9:25 am

1 stop8h 35m

$428

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 5/28

2:25 pm-8:13 am

3 stops44h 48m

Phoenix Sky Harbor Intl

Sun 6/1

9:19 am-3:19 pm

3 stops27h 00m

$634

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 5/28

8:21 pm-4:27 pm

1 stop23h 06m

$111

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Mon 6/16

5:45 pm-11:10 pm

1 stop8h 25m

$214

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 5/28

2:25 pm-8:13 am

3 stops44h 48m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Best time to book a flight from Islip to Phoenix

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

Cheapflights Insights

Everything you need to know about your flight from Islip to Phoenix

What is the cheapest month to book a flight from Islip, New York to Phoenix?

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Phoenix (average of $258). Flying from Islip, New York to Phoenix in March is currently the most expensive (average of $337). 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 ISP to PHX?

Find hourly flight availability from Islip to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Islip, New York to Phoenix in the morning. If you’re flexible enough to do this you can expect to save up to 44% on your trip compared to booking a flight at noon.

Rainfall in Phoenix by month

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

In terms of precipitation, rainfall in Phoenix ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix when rainfall is around 0.0 in.

Temperature in Phoenix by month

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

If weather is an important factor for your trip to Phoenix, 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 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

Reviews of airlines servicing Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated May 14, 2025.
Southwest
8.0
Very good
4,290 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,290 reviews
Southwest
8.0
Very good
4,290 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Frontier
6.0
Okay
3,284 reviews
Southwest
8.0
Very good
4,290 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Food

7.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Islip to Phoenix. 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?

    Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to Phoenix. You should not have trouble finding flights to Phoenix from Long Island; the airport handles an average of 0 outbound flights to Phoenix per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Islip airport to Phoenix. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

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

    Flying on Frontier is currently your cheapest option to Phoenix, with prices starting at $240. Another option worth looking into is Southwest, starting at $375 round trip. Frontier is currently priced 43% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Phoenix 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 Islip, New York to Phoenix?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Phoenix (average of $258). Flying from Islip, New York to Phoenix in March is currently the most expensive (average of $337). 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

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Alternative routes for Islip to Phoenix

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Top airline flying from Islip to Phoenix

Discover the top airline that operate flights from Islip to Phoenix. 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 May 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$378Average$498FlexibilityNo cancel feeOn-time63%

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