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Cheap flights from Islip, New York to Phoenix from $98

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 3/4. 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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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
10:42 am - 10:50 pm
ISP
-
PHX
14h 08m1 stop
Frontier Logo
11:59 pm - 10:40 am
PHX
-
ISP
8h 41m1 stop
$166Frontier
Thu, Feb 26 - Tue, Mar 3
Frontier Logo
10:42 am - 10:50 pm
ISP
-
PHX
14h 08m1 stop
Frontier Logo
11:59 pm - 9:47 am
PHX
-
ISP
7h 48m1 stop
$203Frontier
Thu, Feb 26 - Sat, Feb 28
Frontier Logo
7:43 pm - 10:50 pm
ISP
-
PHX
29h 07m1 stop
Frontier Logo
11:59 pm - 10:40 am
PHX
-
ISP
8h 41m1 stop
$204Frontier
Mon, Feb 9 - Thu, Feb 12
Frontier Logo
10:42 am - 10:50 pm
ISP
-
PHX
14h 08m1 stop
Frontier Logo
11:59 pm - 10:40 am
PHX
-
ISP
8h 41m1 stop
$217Frontier
Thu, Feb 26 - Sun, Mar 1
Frontier Logo
8:19 pm - 10:49 pm
ISP
-
PHX
29h 30m1 stop
Frontier Logo
11:59 pm - 7:11 pm
PHX
-
ISP
16h 12m1 stop
$218Frontier
Sun, Mar 8 - Thu, Mar 12
Southwest Logo
12:40 pm - 7:40 pm
ISP
-
PHX
9h 00m1 stop
Southwest Logo
5:30 am - 4:15 pm
PHX
-
ISP
8h 45m1 stop
$219Southwest
Tue, Jan 13 - Tue, Jan 20
Southwest Logo
6:00 am - 11:50 am
ISP
-
PHX
7h 50m1 stop
Southwest Logo
5:30 am - 4:15 pm
PHX
-
ISP
8h 45m1 stop
$224Southwest
Tue, Jan 6 - Tue, Jan 20
Southwest Logo
6:00 am - 11:50 am
ISP
-
PHX
7h 50m1 stop
Southwest Logo
11:55 pm - 11:55 am
PHX
-
ISP
10h 00m2 stops
$229Southwest
Tue, Jan 6 - Tue, Jan 20
Southwest Logo
12:40 pm - 7:40 pm
ISP
-
PHX
9h 00m1 stop
Southwest Logo
11:55 pm - 11:55 am
PHX
-
ISP
10h 00m2 stops
$234Southwest
Tue, Jan 6 - Tue, Jan 20
Southwest Logo
12:40 pm - 9:35 pm
ISP
-
PHX
10h 55m2 stops
Southwest Logo
11:55 pm - 11:55 am
PHX
-
ISP
10h 00m2 stops
$239Southwest
Tue, Jan 6 - Tue, Jan 20

Southwest flights from Islip, New York to Phoenix

Our best Southwest deals on Islip, New York to Phoenix flight tickets
Southwest
Jan 13
ISP12:40 pmIslip Long Island
9h 00m
1 stop
PHX7:40 pmPhoenix Sky Harbor Intl
Jan 20
PHX5:30 amPhoenix Sky Harbor Intl
8h 45m
1 stop
ISP4:15 pmIslip Long Island
$219
Find similar
Southwest
Jan 6
ISP6:00 amIslip Long Island
7h 50m
1 stop
PHX11:50 amPhoenix Sky Harbor Intl
Jan 20
PHX5:30 amPhoenix Sky Harbor Intl
8h 45m
1 stop
ISP4:15 pmIslip Long Island
$224
Find similar
Southwest
Jan 6
ISP6:00 amIslip Long Island
7h 50m
1 stop
PHX11:50 amPhoenix Sky Harbor Intl
Jan 20
PHX11:55 pmPhoenix Sky Harbor Intl
10h 00m
2 stops
ISP11:55 amIslip Long Island
$229
Find similar

Frontier flights from Islip, New York to Phoenix

Our best Frontier deals on Islip, New York to Phoenix flight tickets
Frontier
Feb 26
ISP10:42 amIslip Long Island
14h 08m
1 stop
PHX10:50 pmPhoenix Sky Harbor Intl
Mar 3
PHX11:59 pmPhoenix Sky Harbor Intl
8h 41m
1 stop
ISP10:40 amIslip Long Island
$166
Find similar
Frontier
Feb 26
ISP10:42 amIslip Long Island
14h 08m
1 stop
PHX10:50 pmPhoenix Sky Harbor Intl
Feb 28
PHX11:59 pmPhoenix Sky Harbor Intl
7h 48m
1 stop
ISP9:47 amIslip Long Island
$203
Find similar
Frontier
Feb 9
ISP7:43 pmIslip Long Island
29h 07m
1 stop
PHX10:50 pmPhoenix Sky Harbor Intl
Feb 12
PHX11:59 pmPhoenix Sky Harbor Intl
8h 41m
1 stop
ISP10:40 amIslip Long Island
$204
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York 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, momondo users made 832,500 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Islip, New York to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 2/26

10:42 am-10:50 pm

1 stop14h 08m

Phoenix Sky Harbor Intl

Tue 3/3

11:59 pm-10:40 am

1 stop8h 41m

$166

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 2/26

10:42 am-10:50 pm

1 stop14h 08m

Phoenix Sky Harbor Intl

Sat 2/28

11:59 pm-9:47 am

1 stop7h 48m

$203

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Mon 2/9

7:43 pm-10:50 pm

1 stop29h 07m

Phoenix Sky Harbor Intl

Thu 2/12

11:59 pm-10:40 am

1 stop8h 41m

$204

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 2/26

10:42 am-10:50 pm

1 stop14h 08m

Phoenix Sky Harbor Intl

Sun 3/1

11:59 pm-10:40 am

1 stop8h 41m

$217

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sun 3/8

8:19 pm-10:49 pm

1 stop29h 30m

Phoenix Sky Harbor Intl

Thu 3/12

11:59 pm-7:11 pm

1 stop16h 12m

$218

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Tue 1/13

12:40 pm-7:40 pm

1 stop9h 00m

Phoenix Sky Harbor Intl

Tue 1/20

5:30 am-4:15 pm

1 stop8h 45m

$219

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Tue 1/6

6:00 am-11:50 am

1 stop7h 50m

Phoenix Sky Harbor Intl

Tue 1/20

5:30 am-4:15 pm

1 stop8h 45m

$224

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Tue 1/6

6:00 am-11:50 am

1 stop7h 50m

Phoenix Sky Harbor Intl

Tue 1/20

11:55 pm-11:55 am

2 stops10h 00m

$229

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Tue 1/6

12:40 pm-7:40 pm

1 stop9h 00m

Phoenix Sky Harbor Intl

Tue 1/20

11:55 pm-11:55 am

2 stops10h 00m

$234

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Tue 1/6

12:40 pm-9:35 pm

2 stops10h 55m

Phoenix Sky Harbor Intl

Tue 1/20

11:55 pm-11:55 am

2 stops10h 00m

$239

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

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?

If you are unable to visit Phoenix during the month of April, then departing from Islip, New York 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?

On average, the least expensive day to fly to Phoenix from Islip, New York is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $385. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Islip, New York because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $465.

What is the cheapest time of day to depart on your flight to Phoenix?

The cheapest time of day to fly to Phoenix is in the evening when flights can be purchased for as low as $378. At noon is when there is more demand to fly to Phoenix, so prices are often more expensive at around $465 per ticket.

Cheap Islip, New York to Phoenix flight deals and tips

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

Fastest flight time

7h 10m

Direct flights

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

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

    The straight-line distance from Islip Long Island to Phoenix is 2180.0 mi. Flights usually cover this in 7h 10m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    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.

  • What documentation or ID do you need to fly to Phoenix?

    The required travel and health documents for your Phoenix 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Islip, New York to Phoenix

Compare and see reviews for airlines that fly from Islip, New York to Phoenix with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $332Free CancellationRating
8.0
4,250 reviews
Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to Phoenix. momondo saves you time and could save you money on your trip.

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

All flight searches from Islip to Phoenix on momondo can be filtered to show those which offer flexible booking policies.

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?

If you are not ready to book a flight from Islip to Phoenix now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Phoenix and let you know when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Phoenix

Airports listed have a maximum distance of 25.4 mi from Phoenix
Phoenix-Mesa Gateway Airport