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Cheap flights from Islip, New York to Phoenix from $110

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 4/17. 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
4:07 pm - 11:18 pm
ISP
-
PHX
10h 11m
1 stop
Frontier Logo
12:25 am - 9:28 am
PHX
-
ISP
30h 03m
1 stop
$220Frontier
Thu, Apr 23 - Sat, Apr 25
Frontier Logo
11:00 am - 10:45 am
ISP
-
PHX
26h 45m
1 stop
Frontier Logo
12:23 am - 10:05 am
PHX
-
ISP
30h 42m
1 stop
$241Frontier
Sun, May 10 - Wed, May 13
Frontier Logo
4:07 pm - 11:29 pm
ISP
-
PHX
10h 22m
1 stop
Frontier Logo
12:23 am - 10:05 am
PHX
-
ISP
30h 42m
1 stop
$265Frontier
Sun, May 3 - Tue, May 5
Frontier Logo
4:07 pm - 10:25 pm
ISP
-
PHX
9h 18m
1 stop
Frontier Logo
12:23 am - 11:00 am
PHX
-
ISP
7h 37m
1 stop
$316Frontier
Thu, Apr 30 - Mon, May 4
Southwest Logo
4:30 pm - 11:50 pm
ISP
-
PHX
10h 20m
1 stop
Southwest Logo
12:50 pm - 11:30 pm
PHX
-
ISP
7h 40m
1 stop
$317Southwest
Fri, Apr 10 - Fri, Apr 17
Southwest Logo
4:30 pm - 11:50 pm
ISP
-
PHX
10h 20m
1 stop
Southwest Logo
11:55 pm - 11:35 am
PHX
-
ISP
8h 40m
2 stops
$322Southwest
Fri, Apr 10 - Fri, Apr 17
Southwest Logo
9:00 am - 3:00 pm
ISP
-
PHX
9h 00m
2 stops
Southwest Logo
5:05 am - 8:25 pm
PHX
-
ISP
12h 20m
1 stop
$328Southwest
Tue, Apr 28 - Thu, Apr 30
Frontier Logo
11:00 am - 10:45 am
ISP
-
PHX
26h 45m
1 stop
Frontier Logo
12:23 am - 10:05 am
PHX
-
ISP
30h 42m
1 stop
$337Frontier
Thu, May 14 - Sat, May 16
Southwest Logo
5:25 pm - 12:25 am
ISP
-
PHX
10h 00m
1 stop
Southwest Logo
9:50 am - 10:10 pm
PHX
-
ISP
9h 20m
2 stops
$347Southwest
Sun, May 3 - Wed, May 6
Frontier Logo
4:07 pm - 10:25 pm
ISP
-
PHX
9h 18m
1 stop
Frontier Logo
12:23 am - 11:00 am
PHX
-
ISP
7h 37m
1 stop
$355Frontier
Thu, Apr 30 - Mon, May 4

Frontier flights from Islip, New York to Phoenix

Our best Frontier deals on Islip, New York to Phoenix flight tickets
Frontier
Apr 23
ISP4:07 pmIslip Long Island
10h 11m
1 stop
PHX11:18 pmPhoenix Sky Harbor Intl
Apr 25
PHX12:25 amPhoenix Sky Harbor Intl
30h 03m
1 stop
ISP9:28 amIslip Long Island
$220
Frontier
May 10
ISP11:00 amIslip Long Island
26h 45m
1 stop
PHX10:45 amPhoenix Sky Harbor Intl
May 13
PHX12:23 amPhoenix Sky Harbor Intl
30h 42m
1 stop
ISP10:05 amIslip Long Island
$241
Frontier
May 3
ISP4:07 pmIslip Long Island
10h 22m
1 stop
PHX11:29 pmPhoenix Sky Harbor Intl
May 5
PHX12:23 amPhoenix Sky Harbor Intl
30h 42m
1 stop
ISP10:05 amIslip Long Island
$265

Southwest flights from Islip, New York to Phoenix

Our best Southwest deals on Islip, New York to Phoenix flight tickets
Southwest
Apr 10
ISP4:30 pmIslip Long Island
10h 20m
1 stop
PHX11:50 pmPhoenix Sky Harbor Intl
Apr 17
PHX12:50 pmPhoenix Sky Harbor Intl
7h 40m
1 stop
ISP11:30 pmIslip Long Island
$317
Southwest
Apr 10
ISP4:30 pmIslip Long Island
10h 20m
1 stop
PHX11:50 pmPhoenix Sky Harbor Intl
Apr 17
PHX11:55 pmPhoenix Sky Harbor Intl
8h 40m
2 stops
ISP11:35 amIslip Long Island
$322
Southwest
Apr 28
ISP9:00 amIslip Long Island
9h 00m
2 stops
PHX3:00 pmPhoenix Sky Harbor Intl
Apr 30
PHX5:05 amPhoenix Sky Harbor Intl
12h 20m
1 stop
ISP8:25 pmIslip Long Island
$328

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 March 15, 2026.
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

Cheapest round-trip

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 4/23

4:07 pm-11:18 pm

1 stop10h 11m

Phoenix Sky Harbor Intl

Sat 4/25

12:25 am-9:28 am

1 stop30h 03m

$220

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sun 5/10

11:00 am-10:45 am

1 stop26h 45m

Phoenix Sky Harbor Intl

Wed 5/13

12:23 am-10:05 am

1 stop30h 42m

$241

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sun 5/3

4:07 pm-11:29 pm

1 stop10h 22m

Phoenix Sky Harbor Intl

Tue 5/5

12:23 am-10:05 am

1 stop30h 42m

$265
Quickest round-trip

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 4/30

4:07 pm-10:25 pm

1 stop9h 18m

Phoenix Sky Harbor Intl

Mon 5/4

12:23 am-11:00 am

1 stop7h 37m

$316

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Fri 4/10

4:30 pm-11:50 pm

1 stop10h 20m

Phoenix Sky Harbor Intl

Fri 4/17

12:50 pm-11:30 pm

1 stop7h 40m

$317

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Fri 4/10

4:30 pm-11:50 pm

1 stop10h 20m

Phoenix Sky Harbor Intl

Fri 4/17

11:55 pm-11:35 am

2 stops8h 40m

$322

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Tue 4/28

9:00 am-3:00 pm

2 stops9h 00m

Phoenix Sky Harbor Intl

Thu 4/30

5:05 am-8:25 pm

1 stop12h 20m

$328

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 5/14

11:00 am-10:45 am

1 stop26h 45m

Phoenix Sky Harbor Intl

Sat 5/16

12:23 am-10:05 am

1 stop30h 42m

$337

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sun 5/3

5:25 pm-12:25 am

1 stop10h 00m

Phoenix Sky Harbor Intl

Wed 5/6

9:50 am-10:10 pm

2 stops9h 20m

$347

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 4/30

4:07 pm-10:25 pm

1 stop9h 18m

Phoenix Sky Harbor Intl

Mon 5/4

12:23 am-11:00 am

1 stop7h 37m

$355

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 August, then departing from Islip, New York during the month September is also very affordable. Most momondo users find prices during this month for around $403.

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 $387. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday 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 $475.

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 $371. At noon is when there is more demand to fly to Phoenix, so prices are often more expensive at around $472 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

8h 05m

Direct flights

None
The fastest flight from Islip, New York to Phoenix takes 8h 05m
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 8h 05m, 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
4,318 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