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$148+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — CUN
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Frontier deal was found by Cheapflights users on 12/3. 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.
Tue 12/2312:20 pmISP - CUN
2 stops22h 56mFrontier
Mon 12/2910:07 amCUN - ISP
2 stops13h 52mFrontier
Deal found 12/3$630
This Frontier deal was found by Cheapflights users on 12/4. 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.
Tue 12/2312:20 pmISP - CUN
2 stops22h 56mFrontier
Sat 1/310:07 amCUN - ISP
2 stops13h 52mFrontier
Deal found 12/4$1,310
This Frontier deal was found by Cheapflights users on 12/4. 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 12/245:27 pmISP - CUN
2 stops17h 16mFrontier
Sun 12/2811:53 amCUN - ISP
2 stops12h 06mFrontier
Deal found 12/4$1,661
This JetBlue deal was found by Cheapflights users on 12/3. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:00 amISP - CUN
1 stop9h 13mJetBlue
Thu 1/111:18 amCUN - ISP
1 stop7h 27mJetBlue
Deal found 12/3$1,719
This Frontier deal was found by Cheapflights users on 12/3. 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.
Sun 12/288:35 pmISP - CUN
2 stops17h 05mFrontier
Sun 1/411:43 amCUN - ISP
2 stops12h 16mFrontier
Deal found 12/3$1,899

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$368
(JetBlue)

One-way from

$148
(JetBlue)

Popular in

April

Cheapest in

September

Average price

$577
Provider with most accurate pricing for Islip Long Island-Cancun flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Cancun flights.
Search Deals
From Islip Long Island to Cancun
Search Deals
One-way flight from Islip Long Island to Cancun
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 4, 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 1/18

7:58 pm-9:13 am

1 stop13h 15m

Cancun

Sun 1/25

10:13 am-1:21 pm

2 stops27h 08m

$375

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Sun 2/8

7:53 pm-1:47 pm

2 stops17h 54m

Cancun

Thu 2/12

2:51 pm-10:40 am

2 stops19h 49m

$381

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Wed 3/4

7:41 pm-1:36 pm

2 stops17h 55m

Cancun

Mon 3/9

10:33 am-11:59 pm

2 stops12h 26m

$423

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Fri 2/6

7:33 pm-3:20 pm

2 stops19h 47m

Cancun

Thu 2/12

2:51 pm-10:40 am

2 stops19h 49m

$429

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Sat 2/7

12:25 pm-10:38 am

1 stop22h 13m

Cancun

Tue 2/10

9:50 am-8:55 am

1 stop23h 05m

$457

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Mon 1/19

11:05 am-1:05 pm

1 stop26h 00m

Cancun

Thu 1/22

2:22 pm-11:33 am

1 stop21h 11m

$472

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Thu 3/12

8:19 pm-7:24 am

1 stop12h 05m

Cancun

Mon 3/16

8:24 am-7:11 pm

1 stop9h 47m

$490

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Sun 1/18

8:45 pm-3:10 pm

2 stops18h 25m

Cancun

Sun 1/25

11:42 am-6:48 pm

2 stops31h 06m

$491

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Sun 2/8

7:53 pm-1:47 pm

2 stops17h 54m

Cancun

Fri 2/13

2:51 pm-10:40 am

2 stops19h 49m

$502

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Mon 1/19

6:20 am-1:45 pm

1 stop7h 25m

Cancun

Thu 1/22

12:10 pm-9:55 pm

2 stops9h 45m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 20 results
1
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Compare providers for flights from Islip to Cancún

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Cancún in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip, New York-Cancún flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Islip, New York-Cancún flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Islip, New York-Cancún flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Cancún flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Cancún flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $159). Flying from Islip, New York to Cancún in May is currently the most expensive (average of $265). 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 December 4, 2025.

One of the essential ways to save on airfare from Islip, New York to Cancún is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 44% on airfare.

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 17h 54m. Fly via Frontier or JetBlue to get the fastest option. The distance from Islip, New York to Cancún is about 1585 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $159). Flying from Islip, New York to Cancún in May is currently the most expensive (average of $265). 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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