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Cheap flights from Islip to Phoenix from $160

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 9/3. 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 to Phoenix

Cheap round-trip flights

JetBlue Logo
1:57 pm - 10:30 pmISP-PHX
10h 33m1 stop
JetBlue Logo
11:40 pm - 11:18 amPHX-ISP
9h 38m1 stop
$274JetBlue
Find Deal
Wed, Nov 19 - Wed, Dec 3
Southwest Logo
3:55 pm - 10:30 pmISP-PHX
8h 35m1 stop
Southwest Logo
11:15 am - 10:05 pmPHX-ISP
8h 50m2 stops
$322Southwest
Find Deal
Wed, Nov 19 - Wed, Dec 3
Southwest Logo
12:55 pm - 8:00 pmISP-PHX
9h 05m2 stops
Southwest Logo
11:15 am - 10:05 pmPHX-ISP
8h 50m2 stops
$327Southwest
Find Deal
Wed, Nov 19 - Wed, Dec 3
Southwest Logo
3:55 pm - 10:30 pmISP-PHX
8h 35m1 stop
Southwest Logo
11:45 am - 9:35 pmPHX-ISP
7h 50m1 stop
$332Southwest
Find Deal
Thu, Dec 11 - Tue, Dec 16
Southwest Logo
3:55 pm - 10:30 pmISP-PHX
8h 35m1 stop
Southwest Logo
11:45 am - 10:05 pmPHX-ISP
8h 20m2 stops
$337Southwest
Find Deal
Thu, Dec 11 - Tue, Dec 16
Frontier Logo
4:58 pm - 1:17 pmISP-PHX
23h 19m1 stop
Frontier Logo
11:24 pm - 10:37 amPHX-ISP
8h 13m1 stop
$370Frontier
Find Deal
Sat, Oct 18 - Fri, Oct 24
Frontier Logo
4:58 pm - 1:17 pmISP-PHX
23h 19m1 stop
Frontier Logo
10:59 pm - 10:37 amPHX-ISP
8h 38m1 stop
$391Frontier
Find Deal
Wed, Oct 15 - Sun, Oct 19
Frontier Logo
4:58 pm - 7:59 amISP-PHX
42h 01m2 stops
Frontier Logo
10:59 pm - 10:37 amPHX-ISP
8h 38m1 stop
$415Frontier
Find Deal
Wed, Oct 15 - Sun, Oct 19
Breeze Airways Logo
11:40 am - 1:04 pmISP-PHX
27h 24m3 stops
Breeze Airways Logo
1:08 pm - 6:14 pmPHX-ISP
27h 06m2 stops
$897Breeze Airways
Find Deal
Thu, Dec 11 - Tue, Dec 16
Breeze Airways Logo
8:45 pm - 12:04 pmISP-PHX
42h 19m2 stops
Breeze Airways Logo
12:49 pm - 11:00 amPHX-ISP
43h 11m3 stops
$916Breeze Airways
Find Deal
Sat, Oct 18 - Fri, Oct 24

JetBlue flights from Islip to Phoenix

Our best JetBlue deals on Islip to Phoenix flight tickets
JetBlue
Nov 19
ISP1:57 pmIslip Long Island
10h 33m
1 stop
PHX10:30 pmPhoenix Sky Harbor Intl
Dec 3
PHX11:40 pmPhoenix Sky Harbor Intl
9h 38m
1 stop
ISP11:18 amIslip Long Island
$274
Find similar
JetBlue
Dec 5
ISP12:15 pmIslip Long Island
12h 25m
1 stop
PHX10:40 pmPhoenix Sky Harbor Intl
Dec 6
PHX11:40 pmPhoenix Sky Harbor Intl
9h 38m
1 stop
ISP11:18 amIslip Long Island
$485
Find similar
JetBlue
Feb 13
ISP12:10 pmIslip Long Island
12h 35m
1 stop
PHX10:45 pmPhoenix Sky Harbor Intl
Feb 17
PHX11:05 pmPhoenix Sky Harbor Intl
10h 20m
1 stop
ISP11:25 amIslip Long Island
$1,072
Find similar

Southwest flights from Islip to Phoenix

Our best Southwest deals on Islip to Phoenix flight tickets
Southwest
Nov 19
ISP3:55 pmIslip Long Island
8h 35m
1 stop
PHX10:30 pmPhoenix Sky Harbor Intl
Dec 3
PHX11:15 amPhoenix Sky Harbor Intl
8h 50m
2 stops
ISP10:05 pmIslip Long Island
$322
Find similar
Southwest
Nov 19
ISP12:55 pmIslip Long Island
9h 05m
2 stops
PHX8:00 pmPhoenix Sky Harbor Intl
Dec 3
PHX11:15 amPhoenix Sky Harbor Intl
8h 50m
2 stops
ISP10:05 pmIslip Long Island
$327
Find similar
Southwest
Dec 11
ISP3:55 pmIslip Long Island
8h 35m
1 stop
PHX10:30 pmPhoenix Sky Harbor Intl
Dec 16
PHX11:45 amPhoenix Sky Harbor Intl
7h 50m
1 stop
ISP9:35 pmIslip Long Island
$332
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Islip 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 August 27, 2025.
Use the filters below to find and compare flights from Islip to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 11/19

1:57 pm-10:30 pm

1 stop10h 33m

Phoenix Sky Harbor Intl

Wed 12/3

11:40 pm-11:18 am

1 stop9h 38m

$274

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 11/19

3:55 pm-10:30 pm

1 stop8h 35m

Phoenix Sky Harbor Intl

Wed 12/3

11:15 am-10:05 pm

2 stops8h 50m

$322

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 11/19

12:55 pm-8:00 pm

2 stops9h 05m

Phoenix Sky Harbor Intl

Wed 12/3

11:15 am-10:05 pm

2 stops8h 50m

$327

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 12/11

3:55 pm-10:30 pm

1 stop8h 35m

Phoenix Sky Harbor Intl

Tue 12/16

11:45 am-9:35 pm

1 stop7h 50m

$332

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 12/11

3:55 pm-10:30 pm

1 stop8h 35m

Phoenix Sky Harbor Intl

Tue 12/16

11:45 am-10:05 pm

2 stops8h 20m

$337

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sat 10/18

4:58 pm-1:17 pm

1 stop23h 19m

Phoenix Sky Harbor Intl

Fri 10/24

11:24 pm-10:37 am

1 stop8h 13m

$370

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 10/15

4:58 pm-1:17 pm

1 stop23h 19m

Phoenix Sky Harbor Intl

Sun 10/19

10:59 pm-10:37 am

1 stop8h 38m

$391

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Wed 10/15

4:58 pm-7:59 am

2 stops42h 01m

Phoenix Sky Harbor Intl

Sun 10/19

10:59 pm-10:37 am

1 stop8h 38m

$415

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Thu 12/11

11:40 am-1:04 pm

3 stops27h 24m

Phoenix Sky Harbor Intl

Tue 12/16

1:08 pm-6:14 pm

2 stops27h 06m

$897

IslipPhoenix

ISP - PHX

ISPPHX

Islip Long Island

Sat 10/18

8:45 pm-12:04 pm

2 stops42h 19m

Phoenix Sky Harbor Intl

Fri 10/24

12:49 pm-11:00 am

3 stops43h 11m

$916

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

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 typical price of a round-trip flight between Islip and Phoenix?

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 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 is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $393. 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 because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $463.

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 $393. At noon is when there is more demand to fly to Phoenix, so prices are often more expensive at around $464 per ticket.

Cheap Islip to Phoenix flight deals and tips

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

Direct flights

None
There are no direct flights from Islip to Phoenix. There are no popular flight routes from Islip 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 35m, 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 to Phoenix

Compare and see reviews for airlines that fly from Islip to Phoenix with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $332Free CancellationRating
8.0
4,241 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