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$347+ Cheap flights from Islip, NY (ISP) to Cancún (CUN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — CUN
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Islip to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Cancún (CUN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$461
(Kiwi.com)

One-way from

$347
(JetBlue)

Popular in

April

Cheapest in

September

Average price

$522
From Islip Long Island to Cancun
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One-way flight from Islip Long Island to Cancun
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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Islip to Cancún

Cheapest flights from Islip to Cancún
Explore the most affordable flight options available from Islip to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:43 pmISP - CUN
1 stop13h 26mMultiple Airlines
Wed 9/32:10 pmCUN - ISP
3 stops43h 30mMultiple Airlines
Deal found 8/17$461
This Frontier deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:09 pmISP - CUN
2 stops19h 49mFrontier
Sun 12/1411:38 amCUN - ISP
2 stops21h 33mFrontier
Deal found 8/15$813
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:09 pmISP - CUN
2 stops19h 49mFrontier
Sun 12/215:13 pmCUN - ISP
2 stops27h 01mFrontier
Deal found 8/17$846
This Southwest deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:00 amISP - CUN
1 stop7h 25mSouthwest
Wed 12/312:25 pmCUN - ISP
1 stop7h 10mSouthwest
Deal found 8/16$1,060
This Frontier deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:16 pmISP - CUN
2 stops20h 58mFrontier
Mon 12/2911:19 amCUN - ISP
2 stops12h 52mFrontier
Deal found 8/16$1,069
This Frontier deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:09 pmISP - CUN
2 stops18h 49mFrontier
Mon 12/2911:19 amCUN - ISP
2 stops12h 52mFrontier
Deal found 8/18$1,072
This Frontier deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:09 pmISP - CUN
2 stops18h 49mFrontier
Fri 1/211:19 amCUN - ISP
2 stops12h 52mFrontier
Deal found 8/18$1,073
This Frontier deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:09 pmISP - CUN
2 stops18h 49mFrontier
Fri 1/211:19 amCUN - ISP
2 stops12h 52mFrontier
Deal found 8/18$1,085

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Cancún 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, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Islip to Cancún that are best for you.

Fly from

Islip

Fly to

Cancún

Route

Depart

Return

Price

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Sun 8/31

7:43 pm-8:09 am

1 stop13h 26m

Cancun

Wed 9/3

2:10 pm-10:40 am

3 stops43h 30m

$461

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Wed 12/10

8:09 pm-3:58 pm

2 stops19h 49m

Cancun

Sun 12/14

11:38 am-9:11 am

2 stops21h 33m

$813

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Wed 12/17

8:09 pm-3:58 pm

2 stops19h 49m

Cancun

Sun 12/21

5:13 pm-8:14 pm

2 stops27h 01m

$846

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Sat 12/27

6:00 am-1:25 pm

1 stop7h 25m

Cancun

Wed 12/31

2:25 pm-9:35 pm

1 stop7h 10m

$1,060

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Wed 12/24

8:16 pm-5:14 pm

2 stops20h 58m

Cancun

Mon 12/29

11:19 am-12:11 am

2 stops12h 52m

$1,069

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Wed 11/26

8:50 pm-9:09 am

1 stop12h 19m

$347

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Wed 12/24

9:21 am-4:06 pm

1 stop6h 45m

$536

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Mon 12/29

9:21 am-4:06 pm

1 stop6h 45m

$578

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Sun 12/28

9:21 am-4:06 pm

1 stop6h 45m

$636

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Thu 12/25

10:15 am-4:02 pm

1 stop5h 47m

$673

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 11 results
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Best time to book a flight from Islip to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to Cancún

What is the cheapest month to book a flight from Islip, New York to Cancún?

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Cancún (average of $360). Flying from Islip, New York to Cancún in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ISP to CUN?

Find hourly flight availability from Islip to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Cancún as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Islip to Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Islip, New York to Cancún?

    There are many flights that can get you from Islip, New York to Cancún in 19h 49m. Fly via Frontier to get the fastest option. The distance from Islip, New York to Cancún is about 1585 mi.

  • Can I find deals for flights from Islip to Cancún that include hotel bookings?

    Yes. In addition to deals on Islip to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Cancún.

  • Can I find deals for business class flights from Islip to Cancún?

    Yes. Cheapflights offers flight deals from Islip to Cancún by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Cancún?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Cancún (average of $360). Flying from Islip, New York to Cancún in March is currently the most expensive (average of $492). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

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