Cheap flights from Islip to Phoenix from $119

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 to Phoenix departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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JetBlue Logo
11:50 am - 9:59 pmISP-PHX
12h 09m1 stop
JetBlue Logo
11:30 pm - 11:05 amPHX-ISP
9h 35m1 stop
$303JetBlue
Find Deal
Thu, Dec 4 - Mon, Dec 8
JetBlue Logo
12:25 pm - 10:39 pmISP-PHX
12h 14m1 stop
JetBlue Logo
11:05 pm - 11:35 amPHX-ISP
10h 30m1 stop
$314JetBlue
Find Deal
Fri, Jan 9 - Sun, Jan 11
JetBlue Logo
1:57 pm - 9:57 pmISP-PHX
11h 00m1 stop
JetBlue Logo
11:07 pm - 12:18 pmPHX-ISP
11h 11m1 stop
$335JetBlue
Find Deal
Mon, Oct 27 - Mon, Nov 3
Multiple Airlines Logo
2:19 pm - 1:04 pmISP-PHX
24h 45m1 stop
Multiple Airlines Logo
6:04 pm - 7:14 pmPHX-ISP
23h 10m2 stops
$348Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
JetBlue Logo
1:15 pm - 10:30 pmISP-PHX
11h 15m1 stop
JetBlue Logo
11:07 pm - 12:51 pmPHX-ISP
11h 44m1 stop
$366JetBlue
Find Deal
Wed, Nov 12 - Sun, Nov 16
Southwest Logo
12:55 pm - 8:00 pmISP-PHX
9h 05m2 stops
Southwest Logo
11:05 am - 10:05 pmPHX-ISP
9h 00m2 stops
$369Southwest
Find Deal
Thu, Dec 4 - Mon, Dec 8
JetBlue Logo
12:10 pm - 9:45 pmISP-PHX
12h 35m1 stop
JetBlue Logo
11:05 pm - 11:25 amPHX-ISP
9h 20m1 stop
$373JetBlue
Find Deal
Wed, Mar 11 - Wed, Mar 18
Southwest Logo
3:40 pm - 10:30 pmISP-PHX
8h 50m1 stop
Southwest Logo
6:00 am - 3:00 pmPHX-ISP
7h 00m1 stop
$379Southwest
Find Deal
Sat, Nov 8 - Sat, Nov 15
Southwest Logo
12:25 pm - 7:15 pmISP-PHX
8h 50m1 stop
Southwest Logo
5:10 am - 3:00 pmPHX-ISP
7h 50m2 stops
$384Southwest
Find Deal
Sat, Nov 8 - Sat, Nov 15
Southwest Logo
5:40 am - 6:00 pmISP-PHX
14h 20m2 stops
Southwest Logo
5:00 am - 5:15 pmPHX-ISP
10h 15m1 stop
$385Southwest
Find Deal
Thu, Dec 25 - Tue, Dec 30

JetBlue flights from Islip to Phoenix Sky Harbor Intl Airport

Our best JetBlue deals on Islip to Phoenix Sky Harbor Intl Airport flight tickets
JetBlue
Dec 4
ISP11:50 amIslip Long Island
12h 09m
1 stop
PHX9:59 pmPhoenix Sky Harbor Intl
Dec 8
PHX11:30 pmPhoenix Sky Harbor Intl
9h 35m
1 stop
ISP11:05 amIslip Long Island
JetBlue
Jan 9
ISP12:25 pmIslip Long Island
12h 14m
1 stop
PHX10:39 pmPhoenix Sky Harbor Intl
Jan 11
PHX11:05 pmPhoenix Sky Harbor Intl
10h 30m
1 stop
ISP11:35 amIslip Long Island
JetBlue
Oct 27
ISP1:57 pmIslip Long Island
11h 00m
1 stop
PHX9:57 pmPhoenix Sky Harbor Intl
Nov 3
PHX11:07 pmPhoenix Sky Harbor Intl
11h 11m
1 stop
ISP12:18 pmIslip Long Island

Southwest flights from Islip to Phoenix Sky Harbor Intl Airport

Our best Southwest deals on Islip to Phoenix Sky Harbor Intl Airport flight tickets
Southwest
Dec 4
ISP12:55 pmIslip Long Island
9h 05m
2 stops
PHX8:00 pmPhoenix Sky Harbor Intl
Dec 8
PHX11:05 amPhoenix Sky Harbor Intl
9h 00m
2 stops
ISP10:05 pmIslip Long Island
Southwest
Nov 8
ISP3:40 pmIslip Long Island
8h 50m
1 stop
PHX10:30 pmPhoenix Sky Harbor Intl
Nov 15
PHX6:00 amPhoenix Sky Harbor Intl
7h 00m
1 stop
ISP3:00 pmIslip Long Island
Southwest
Nov 8
ISP12:25 pmIslip Long Island
8h 50m
1 stop
PHX7:15 pmPhoenix Sky Harbor Intl
Nov 15
PHX5:10 amPhoenix Sky Harbor Intl
7h 50m
2 stops
ISP3:00 pmIslip Long Island

momondo Fare Finder

 
Customize your flight search to find flights from Islip 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 October 14, 2025.
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

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 12/4

11:50 am-9:59 pm

1 stop12h 09m

Phoenix Sky Harbor Intl

Mon 12/8

11:30 pm-11:05 am

1 stop9h 35m

$303

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Fri 1/9

12:25 pm-10:39 pm

1 stop12h 14m

Phoenix Sky Harbor Intl

Sun 1/11

11:05 pm-11:35 am

1 stop10h 30m

$314

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Mon 10/27

1:57 pm-9:57 pm

1 stop11h 00m

Phoenix Sky Harbor Intl

Mon 11/3

11:07 pm-12:18 pm

1 stop11h 11m

$335

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 12/4

2:19 pm-1:04 pm

1 stop24h 45m

Phoenix Sky Harbor Intl

Mon 12/8

6:04 pm-7:14 pm

2 stops23h 10m

$348

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 11/12

1:15 pm-10:30 pm

1 stop11h 15m

Phoenix Sky Harbor Intl

Sun 11/16

11:07 pm-12:51 pm

1 stop11h 44m

$366

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 12/4

12:55 pm-8:00 pm

2 stops9h 05m

Phoenix Sky Harbor Intl

Mon 12/8

11:05 am-10:05 pm

2 stops9h 00m

$369

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 3/11

12:10 pm-9:45 pm

1 stop12h 35m

Phoenix Sky Harbor Intl

Wed 3/18

11:05 pm-11:25 am

1 stop9h 20m

$373

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sat 11/8

3:40 pm-10:30 pm

1 stop8h 50m

Phoenix Sky Harbor Intl

Sat 11/15

6:00 am-3:00 pm

1 stop7h 00m

$379

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sat 11/8

12:25 pm-7:15 pm

1 stop8h 50m

Phoenix Sky Harbor Intl

Sat 11/15

5:10 am-3:00 pm

2 stops7h 50m

$384

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 12/25

5:40 am-6:00 pm

2 stops14h 20m

Phoenix Sky Harbor Intl

Tue 12/30

5:00 am-5:15 pm

1 stop10h 15m

$385

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 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 month to fly to Phoenix Sky Harbor Intl Airport?

In general, April is the cheapest month to fly from Islip to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of April, then departing from Islip during the month August is also very affordable. Most momondo users find prices during this month for around $332.

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 is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $392. 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 Sunday because tickets tend to average around $467. 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 to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $397. 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 $465. 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 to Phoenix Sky Harbor Intl Airport flights?

You could potentially save up to 57% on your flight if you consider stops on a Islip to Phoenix Sky Harbor Intl Airport flight.

When to book flights from Islip to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip 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 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 to Phoenix Sky Harbor Intl Airport

Direct flights

None
There are no direct flights from Islip to Phoenix Sky Harbor Intl Airport. There are no popular flight routes from Islip 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 8h 15m.

  • 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 to Phoenix Sky Harbor Intl Airport?

Best airlines flying from Islip to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Islip to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $332Free CancellationRating
8.0
4,238 reviews
Search Southwest flights

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Glendale
Chandler
Gilbert
Peoria
Surprise
Casa Grande
Goodyear
Buckeye
Payson
Apache Junction
Wickenburg
Avondale
Paradise Valley
Camp Verde
Fountain Hills
Litchfield Park
Cave Creek

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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1 adult
Thu 11/13
Thu 11/20

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