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Cheap flights from Islip, New York to Phoenix from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Phoenix departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to Phoenix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:13 pm - 11:56 pm
ISP
-
PHX
10h 43m
1 stop
Frontier Logo
10:51 pm - 9:33 am
PHX
-
ISP
7h 42m
1 stop
$265Frontier
Thu, Oct 22 - Sun, Oct 25
Frontier Logo
4:13 pm - 11:56 pm
ISP
-
PHX
10h 43m
1 stop
Frontier Logo
10:51 pm - 9:33 am
PHX
-
ISP
7h 42m
1 stop
$273Frontier
Tue, Oct 20 - Sun, Oct 25
Frontier Logo
4:13 pm - 11:56 pm
ISP
-
PHX
10h 43m
1 stop
Frontier Logo
10:51 pm - 9:33 am
PHX
-
ISP
7h 42m
1 stop
$283Frontier
Thu, Oct 15 - Sat, Oct 24
Frontier Logo
4:13 pm - 11:56 pm
ISP
-
PHX
10h 43m
1 stop
Frontier Logo
10:51 pm - 3:03 pm
PHX
-
ISP
13h 12m
1 stop
$306Frontier
Fri, Oct 9 - Tue, Oct 13
Frontier Logo
4:13 pm - 11:56 pm
ISP
-
PHX
10h 43m
1 stop
Frontier Logo
10:51 pm - 3:03 pm
PHX
-
ISP
13h 12m
1 stop
$308Frontier
Thu, Oct 8 - Mon, Oct 12
Frontier Logo
4:13 pm - 11:56 pm
ISP
-
PHX
10h 43m
1 stop
Frontier Logo
10:51 pm - 3:03 pm
PHX
-
ISP
13h 12m
1 stop
$328Frontier
Fri, Oct 9 - Tue, Oct 13
Frontier Logo
4:13 pm - 11:56 pm
ISP
-
PHX
10h 43m
1 stop
Frontier Logo
10:51 pm - 2:33 pm
PHX
-
ISP
12h 42m
1 stop
$330Frontier
Thu, Oct 22 - Mon, Oct 26
Southwest Logo
4:20 pm - 10:00 pm
ISP
-
PHX
8h 40m
1 stop
Southwest Logo
5:45 am - 3:45 pm
PHX
-
ISP
7h 00m
1 stop
$347Southwest
Tue, Oct 6 - Tue, Oct 20
Southwest Logo
4:05 pm - 9:40 pm
ISP
-
PHX
7h 35m
1 stop
Southwest Logo
6:05 am - 4:15 pm
PHX
-
ISP
8h 10m
1 stop
$347Southwest
Wed, Dec 2 - Wed, Dec 9
Southwest Logo
6:05 am - 10:25 am
ISP
-
PHX
7h 20m
1 stop
Southwest Logo
12:05 am - 11:55 am
PHX
-
ISP
8h 50m
2 stops
$352Southwest
Tue, Sep 29 - Fri, Oct 2

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Southwest flights from Islip, New York to Phoenix Sky Harbor Intl Airport

Our best Southwest deals on Islip, New York to Phoenix Sky Harbor Intl Airport flight tickets
Southwest
Oct 6
ISP4:20 pmIslip Long Island
8h 40m
1 stop
PHX10:00 pmPhoenix Sky Harbor Intl
Oct 20
PHX5:45 amPhoenix Sky Harbor Intl
7h 00m
1 stop
ISP3:45 pmIslip Long Island
$347
Southwest
Sep 29
ISP6:05 amIslip Long Island
7h 20m
1 stop
PHX10:25 amPhoenix Sky Harbor Intl
Oct 2
PHX12:05 amPhoenix Sky Harbor Intl
8h 50m
2 stops
ISP11:55 amIslip Long Island
$352
Southwest
Sep 29
ISP12:55 pmIslip Long Island
9h 05m
2 stops
PHX7:00 pmPhoenix Sky Harbor Intl
Oct 2
PHX12:05 amPhoenix Sky Harbor Intl
8h 50m
2 stops
ISP11:55 amIslip Long Island
$357

Frontier flights from Islip, New York to Phoenix Sky Harbor Intl Airport

Our best Frontier deals on Islip, New York to Phoenix Sky Harbor Intl Airport flight tickets
Frontier
Oct 22
ISP4:13 pmIslip Long Island
10h 43m
1 stop
PHX11:56 pmPhoenix Sky Harbor Intl
Oct 25
PHX10:51 pmPhoenix Sky Harbor Intl
7h 42m
1 stop
ISP9:33 amIslip Long Island
$265
Frontier
Oct 20
ISP4:13 pmIslip Long Island
10h 43m
1 stop
PHX11:56 pmPhoenix Sky Harbor Intl
Oct 25
PHX10:51 pmPhoenix Sky Harbor Intl
7h 42m
1 stop
ISP9:33 amIslip Long Island
$273
Frontier
Oct 15
ISP4:13 pmIslip Long Island
10h 43m
1 stop
PHX11:56 pmPhoenix Sky Harbor Intl
Oct 24
PHX10:51 pmPhoenix Sky Harbor Intl
7h 42m
1 stop
ISP9:33 amIslip Long Island
$283

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Phoenix Sky Harbor Intl Airport 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, momondo users made 832,500 searches. Data last updated August 3, 2026.
Use the filters below to find and compare flights from Islip, New York 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

Thu 10/22

4:13 pm-11:56 pm

1 stop10h 43m

Phoenix Sky Harbor Intl

Sun 10/25

10:51 pm-9:33 am

1 stop7h 42m

$265

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Tue 10/20

4:13 pm-11:56 pm

1 stop10h 43m

Phoenix Sky Harbor Intl

Sun 10/25

10:51 pm-9:33 am

1 stop7h 42m

$273

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 10/15

4:13 pm-11:56 pm

1 stop10h 43m

Phoenix Sky Harbor Intl

Sat 10/24

10:51 pm-9:33 am

1 stop7h 42m

$283

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Fri 10/9

4:13 pm-11:56 pm

1 stop10h 43m

Phoenix Sky Harbor Intl

Tue 10/13

10:51 pm-3:03 pm

1 stop13h 12m

$306

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 10/8

4:13 pm-11:56 pm

1 stop10h 43m

Phoenix Sky Harbor Intl

Mon 10/12

10:51 pm-3:03 pm

1 stop13h 12m

$308

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Fri 10/9

4:13 pm-11:56 pm

1 stop10h 43m

Phoenix Sky Harbor Intl

Tue 10/13

10:51 pm-3:03 pm

1 stop13h 12m

$328

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 10/22

4:13 pm-11:56 pm

1 stop10h 43m

Phoenix Sky Harbor Intl

Mon 10/26

10:51 pm-2:33 pm

1 stop12h 42m

$330
Quickest round-trip

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Tue 10/6

4:20 pm-10:00 pm

1 stop8h 40m

Phoenix Sky Harbor Intl

Tue 10/20

5:45 am-3:45 pm

1 stop7h 00m

$347

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 12/2

4:05 pm-9:40 pm

1 stop7h 35m

Phoenix Sky Harbor Intl

Wed 12/9

6:05 am-4:15 pm

1 stop8h 10m

$347

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Tue 9/29

6:05 am-10:25 am

1 stop7h 20m

Phoenix Sky Harbor Intl

Fri 10/2

12:05 am-11:55 am

2 stops8h 50m

$352

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Phoenix from

How to get the cheapest flight ticket from Islip, New York to Phoenix Sky Harbor Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Islip, New York is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $397. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $495. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

In the evening is the cheapest time of day to fly from Islip, New York to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $374. Flying to Phoenix Sky Harbor Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $490. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Islip, New York to Phoenix Sky Harbor Intl Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a Islip, New York to Phoenix Sky Harbor Intl Airport flight.

When to book flights from Islip, New York to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Phoenix Sky Harbor Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Phoenix Sky Harbor Intl Airport (ISP to PHX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Phoenix Sky Harbor Intl Airport

Fastest flight time

7h 10m

Direct flights

None
The fastest flight from Islip, New York to Phoenix Sky Harbor Intl Airport takes 7h 10m
There are no direct flights from Islip, New York to Phoenix Sky Harbor Intl Airport. There are no popular flight routes from Islip, New York to Phoenix Sky Harbor Intl Airport.
Search flight deals

Frequently asked questions about flying from Islip, New York to Phoenix Sky Harbor Intl Airport

  • How far is Islip Long Island to Phoenix Sky Harbor Intl by plane?

    The distance between Islip Long Island and Phoenix Sky Harbor Intl is about 2176.4 mi. A reasonable flight in good conditions will take 7h 10m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Phoenix Sky Harbor Intl Airport?

    Prices for flights from Islip Long Island Airport to Phoenix Sky Harbor Intl Airport are updated daily.

  • How many operators does momondo search for flights from Islip Long Island Airport to Phoenix Sky Harbor Intl Airport?

  • How old do you have to be to fly from Islip Long Island Airport to Phoenix Sky Harbor Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Phoenix Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The required travel and health documents for your Phoenix Sky Harbor Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Phoenix Sky Harbor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Islip, New York to Phoenix Sky Harbor Intl Airport?

Best airlines flying from Islip, New York to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Islip, New York to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $337Free CancellationRating
8.0
4,224 reviews
Search Southwest flights

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
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Avondale
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Globe
Wickenburg

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Phoenix?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Phoenix from Islip.

Can I find flights from Islip to Phoenix with flexible booking policies on momondo?

Yes. All flights to Phoenix from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Islip to Phoenix?

momondo helps you find the best flight between Islip and Phoenix by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Islip to Phoenix right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Islip to Phoenix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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