What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Islip, New York round-trip?

Currently priced at $336, Frontier will fly you from Phoenix Sky Harbor Intl Airport to Islip, New York and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and JetBlue - these airlines can fly you to your destination from $348 and $465, respectively. These flights start at 14% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Islip, New York one-way?

For one-way options, check prices for Southwest. According to our data, you can fly for as low as $169. Users have also found prices from $216 and $222 on Frontier and JetBlue, respectively.

What is the cheapest day to fly from Phoenix Sky Harbor Intl Airport to Islip, New York?

Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Islip, New York flight should consider departing on Tuesday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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

Users have found that flying from Phoenix Sky Harbor Intl Airport to Islip, New York on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Phoenix Sky Harbor Intl Airport to Islip, New York?

Users have found that booking a flight from Phoenix Sky Harbor Intl Airport to Islip, New York at least 51 days early can save you up to 50% on average compared to booking a flight this week. If booking 51 days before your flight isn’t an option for you, users have found flights from Phoenix Sky Harbor Intl Airport to Islip, New York for as little as $337 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $400 for flights departing within the next 3 days.

What is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Islip, New York?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, January can be a great choice for travel to Islip, New York. Flights to Islip, New York from Phoenix Sky Harbor Intl Airport in January are about $317 on average during January, but can be found for as low as $148.

What airport do you fly into for flights to Islip from Phoenix Sky Harbor Intl?

For a flight from Phoenix Sky Harbor Intl to Islip, you will be flying into 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 inbound flights from Phoenix Sky Harbor Intl per day. 2 airlines have flights to Islip Long Island from Phoenix Sky Harbor Intl on a regular basis.

Can I find deals for flights from Sky Harbor Intl to Islip that include hotel bookings?

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

How can I find direct flights from Sky Harbor Intl to Islip?

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

Can I find deals for business class flights from Sky Harbor Intl to Islip?

Yes. Cheapflights offers flight deals from Sky Harbor Intl 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.

$169+ Flights from Phoenix Sky Harbor Intl Airport to Islip, NY

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Cheap flight deals from Sky Harbor Intl to Islip

Round-trip from	$336 (FlightHub)
One-way from	$169 (Southwest)
Popular in	August
Cheapest in	December
Average price	$470

From Phoenix Sky Harbor Intl to Islip Long Island

Search Deals

One-way flight from Phoenix Sky Harbor Intl to Islip Long Island

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Sky Harbor Intl to Islip

Cheapest flights from Sky Harbor Intl to Islip
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 June 26, 2025.

Sat 7/265:27 pmPHX - ISP

1 stop27h 20mFrontier

Sat 8/28:37 pmISP - PHX

1 stop22h 39mFrontier

Deal found 6/26

$336

Tue 10/75:20 amPHX - ISP

1 stop7h 45mSouthwest

Sat 10/1111:55 amISP - PHX

1 stop9h 00mSouthwest

Deal found 6/26

$348

Fri 12/511:40 pmPHX - ISP

1 stop9h 38mJetBlue

Sun 12/712:15 pmISP - PHX

1 stop12h 25mJetBlue

Deal found 6/25

$465

Sun 7/2711:49 pmPHX - ISP

2 stops17h 12mMultiple Airlines

Wed 7/302:55 pmISP - PHX

3 stops28h 07mMultiple Airlines

Deal found 6/25

$779

Fri 12/51:49 pmPHX - ISP

3 stops26h 25mBreeze Airways

Sun 12/711:40 amISP - PHX

3 stops27h 24mBreeze Airways

Deal found 6/24

$806

Best flights from Sky Harbor Intl to Islip
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 June 26, 2025.

Sat 7/265:27 pmPHX - ISP

1 stop27h 20mFrontier

Sat 8/28:37 pmISP - PHX

1 stop22h 39mFrontier

Deal found 6/26

$336

Tue 10/75:20 amPHX - ISP

1 stop7h 45mSouthwest

Sat 10/1111:55 amISP - PHX

1 stop9h 00mSouthwest

Deal found 6/26

$348

Fri 12/511:40 pmPHX - ISP

1 stop9h 38mJetBlue

Sun 12/712:15 pmISP - PHX

1 stop12h 25mJetBlue

Deal found 6/25

$465

Sun 7/2711:49 pmPHX - ISP

2 stops17h 12mMultiple Airlines

Wed 7/302:55 pmISP - PHX

3 stops28h 07mMultiple Airlines

Deal found 6/25

$779

Fri 12/51:49 pmPHX - ISP

3 stops26h 25mBreeze Airways

Sun 12/711:40 amISP - PHX

3 stops27h 24mBreeze Airways

Deal found 6/24

$806

Last-minute flights from Sky Harbor Intl to Islip
Discover last-minute flight deals from Sky Harbor Intl to Islip. Data last updated June 26, 2025 and is based on user searches.

Thu 7/310:55 pmPHX - ISP

1 stop8h 20mSouthwest

Mon 7/72:40 pmISP - PHX

1 stop8h 00mSouthwest

Deal found 6/26

$847

Thu 7/312:54 pmPHX - ISP

3 stops23h 25mMultiple Airlines

Mon 7/710:36 amISP - PHX

3 stops36h 45mMultiple Airlines

Deal found 6/26

$965

Sat 7/265:27 pmPHX - ISP

1 stop27h 20mFrontier

Sat 8/28:37 pmISP - PHX

1 stop22h 39mFrontier

Deal found 6/26

$336

Sat 7/261:30 pmPHX - ISP

1 stop6h 40mSouthwest

Sat 8/211:40 amISP - PHX

2 stops9h 20mSouthwest

Deal found 6/26

$409

Sun 7/2711:49 pmPHX - ISP

2 stops17h 12mMultiple Airlines

Wed 7/302:55 pmISP - PHX

3 stops28h 07mMultiple Airlines

Deal found 6/25

$779

One-way flights from Sky Harbor Intl to Islip
Search for one-way flight options from Sky Harbor Intl to Islip. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

Thu 11/62:20 pmPHX - ISP

1 stop7h 30mSouthwest

Deal found 6/26

$169

Sat 7/125:27 pmPHX - ISP

1 stop27h 20mFrontier

Deal found 6/26

$216

Tue 10/2810:07 pmPHX - ISP

1 stop10h 11mJetBlue

Deal found 6/24

$222

Sat 7/1211:34 pmPHX - ISP

3 stops16h 25mMultiple Airlines

Deal found 6/26

$401

Thu 11/61:52 pmPHX - ISP

3 stops21h 53mBreeze Airways

Deal found 6/26

$409

Cheapflights Fare Finder

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

Price

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sat 7/26

5:27 pm-11:47 pm

1 stop27h 20m

Islip Long Island

Sat 8/2

8:37 pm-4:16 pm

1 stop22h 39m

$336

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Tue 10/7

5:20 am-4:05 pm

1 stop7h 45m

Islip Long Island

Sat 10/11

11:55 am-5:55 pm

1 stop9h 00m

$348

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Fri 12/5

11:40 pm-11:18 am

1 stop9h 38m

Islip Long Island

Sun 12/7

12:15 pm-10:40 pm

1 stop12h 25m

$465

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sun 7/27

11:49 pm-8:01 pm

2 stops17h 12m

Islip Long Island

Wed 7/30

2:55 pm-4:02 pm

3 stops28h 07m

$779

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Fri 12/5

1:49 pm-6:14 pm

3 stops26h 25m

Islip Long Island

Sun 12/7

11:40 am-1:04 pm

3 stops27h 24m

$806

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 11/6

2:20 pm-11:50 pm

1 stop7h 30m

$169

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sat 7/12

5:27 pm-11:47 pm

1 stop27h 20m

$216

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Tue 10/28

10:07 pm-11:18 am

1 stop10h 11m

$222

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Sat 7/12

11:34 pm-6:59 pm

3 stops16h 25m

$401

PhoenixIslip

PHX - ISP

PHXISP

Phoenix Sky Harbor Intl

Thu 11/6

1:52 pm-1:45 pm

3 stops21h 53m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

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.

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 Sky Harbor Intl Airport to Islip

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

Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Islip, New York (average of $108). Flying from Phoenix Sky Harbor Intl Airport to Islip, New York in November is currently the most expensive (average of $213). 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 PHX to ISP?

Unlike at noon, when flights are generally more expensive, you can save up to 62% on flights from Phoenix Sky Harbor Intl Airport to Islip, New York by exploring options for tickets in the afternoon.

Reviews of airlines servicing Islip

Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Islip, such as Breeze Airways, Southwest, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Breeze Airways

8.1

Very good

182 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Breeze Airways

8.1

Very good

182 reviews

Breeze Airways

8.1

Very good

182 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Southwest

8.0

Very good

4,276 reviews

Breeze Airways

8.1

Very good

182 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

JetBlue

7.3

Good

2,922 reviews

Breeze Airways

8.1

Very good

182 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Frontier

5.9

Fair

3,296 reviews

Breeze Airways

8.1

Very good

182 reviews

Reviews

1 / 11

10.0

Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

What airport do you fly into for flights to Islip from Phoenix Sky Harbor Intl?
For a flight from Phoenix Sky Harbor Intl to Islip, you will be flying into 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 inbound flights from Phoenix Sky Harbor Intl per day. 2 airlines have flights to Islip Long Island from Phoenix Sky Harbor Intl on a regular basis.
What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Islip, New York round-trip?
Currently priced at $336, Frontier will fly you from Phoenix Sky Harbor Intl Airport to Islip, New York and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and JetBlue - these airlines can fly you to your destination from $348 and $465, respectively. These flights start at 14% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Islip, New York one-way?
For one-way options, check prices for Southwest. According to our data, you can fly for as low as $169. Users have also found prices from $216 and $222 on Frontier and JetBlue, respectively.
Can I find deals for flights from Sky Harbor Intl to Islip that include hotel bookings?
Yes. In addition to deals on Sky Harbor Intl to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sky Harbor Intl to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Islip.
Can I find deals for business class flights from Sky Harbor Intl to Islip?
Yes. Cheapflights offers flight deals from Sky Harbor Intl 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.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Islip, New York?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Islip, New York (average of $108). Flying from Phoenix Sky Harbor Intl Airport to Islip, New York in November is currently the most expensive (average of $213). 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.

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Top 2 airlines flying from Sky Harbor Intl to Islip

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$157	Average$207	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$369	Average$476	FlexibilityNo cancel fee	On-time63%

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$169+ Cheap flights from Sky Harbor Intl (PHX) 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sky Harbor Intl to Islip with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Sky Harbor Intl to Islip

Round-trip from

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Popular in

Cheapest in

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Find flight deals from Sky Harbor Intl to Islip

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 June 26, 2025.

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 June 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Islip that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Islip

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

What is the cheapest time of day to fly from PHX to ISP?

Find hourly flight availability from Sky Harbor Intl to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 26, 2025.

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 June 26, 2025.

Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Islip, such as Breeze Airways, Southwest, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

What airport do you fly into for flights to Islip from Phoenix Sky Harbor Intl?

What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Islip, New York round-trip?

What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Islip, New York one-way?

Can I find deals for flights from Sky Harbor Intl to Islip that include hotel bookings?

How can I find direct flights from Sky Harbor Intl to Islip?

Can I find deals for business class flights from Sky Harbor Intl to Islip?

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

Traveling to a place near Phoenix Sky Harbor Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sky Harbor Intl to Islip

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Sky Harbor Intl to Islip

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Cheapest flights from Sky Harbor Intl to Islip
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 June 26, 2025.