HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cancún

$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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — CUN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Cancún with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 12, 2025.

This Frontier deal was found by Cheapflights users on 12/9. 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 12/228:35 pmISP - CUN
2 stops19h 13mFrontier
Mon 12/2910:07 amCUN - ISP
2 stops13h 52mFrontier
Deal found 12/9$584
This Frontier deal was found by Cheapflights users on 12/9. 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 12/212:04 pmISP - CUN
2 stops21h 12mFrontier
Mon 12/2910:07 amCUN - ISP
2 stops13h 52mFrontier
Deal found 12/9$597
This Frontier deal was found by Cheapflights users on 12/9. 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.
Thu 12/1812:20 pmISP - CUN
2 stops22h 56mFrontier
Mon 12/2910:07 amCUN - ISP
2 stops13h 52mFrontier
Deal found 12/9$623
This JetBlue deal was found by Cheapflights users on 12/11. 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.
Mon 12/227:00 amISP - CUN
1 stop9h 13mJetBlue
Thu 12/2511:18 amCUN - ISP
1 stop7h 27mJetBlue
Deal found 12/11$649
This JetBlue deal was found by Cheapflights users on 12/11. 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.
Mon 12/227:00 amISP - CUN
1 stop9h 13mJetBlue
Wed 12/3111:18 amCUN - ISP
1 stop7h 27mJetBlue
Deal found 12/11$742
This JetBlue deal was found by Cheapflights users on 12/11. 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.
Fri 12/197:00 amISP - CUN
1 stop9h 13mJetBlue
Wed 12/2411:18 amCUN - ISP
1 stop7h 27mJetBlue
Deal found 12/11$744
This JetBlue deal was found by Cheapflights users on 12/9. 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.
Fri 12/197:00 amISP - CUN
1 stop9h 13mJetBlue
Fri 12/2611:18 amCUN - ISP
1 stop7h 27mJetBlue
Deal found 12/9$848
This Frontier deal was found by Cheapflights users on 12/10. 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 12/315:27 pmISP - CUN
2 stops17h 16mFrontier
Sun 1/44:58 pmCUN - ISP
2 stops20h 11mFrontier
Deal found 12/10$1,150
This Frontier deal was found by Cheapflights users on 12/11. 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.
Fri 12/268:35 pmISP - CUN
2 stops17h 02mFrontier
Sat 1/310:07 amCUN - ISP
2 stops13h 52mFrontier
Deal found 12/11$1,408
This Frontier deal was found by Cheapflights users on 12/11. 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.
Fri 12/268:35 pmISP - CUN
2 stops17h 02mFrontier
Fri 1/210:02 amCUN - ISP
2 stops13h 57mFrontier
Deal found 12/11$1,428

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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$297
(Kiwi.com)

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. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 12, 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 1/11

8:40 pm-9:13 am

1 stop12h 33m

Cancun

Fri 1/16

10:13 am-8:09 pm

1 stop9h 56m

$297

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Sat 1/10

7:56 pm-9:13 am

1 stop13h 17m

Cancun

Sat 1/17

10:13 am-10:46 pm

1 stop12h 33m

$309

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Thu 1/8

8:40 pm-9:13 am

1 stop12h 33m

Cancun

Fri 1/16

10:13 am-8:09 pm

1 stop9h 56m

$348

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Sun 2/8

7:53 pm-1:47 pm

2 stops17h 54m

Cancun

Sat 2/14

5:08 pm-7:48 am

2 stops14h 40m

$353

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Thu 1/8

8:40 pm-9:13 am

1 stop12h 33m

Cancun

Sat 1/17

10:13 am-10:46 pm

1 stop12h 33m

$361

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Tue 1/6

12:55 pm-1:31 pm

2 stops24h 36m

Cancun

Fri 1/16

10:13 am-8:09 pm

1 stop9h 56m

$364

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Wed 1/7

11:50 am-9:13 am

2 stops21h 23m

Cancun

Fri 1/16

10:13 am-8:09 pm

1 stop9h 56m

$367

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Thu 1/8

8:40 pm-9:13 am

1 stop12h 33m

Cancun

Tue 1/13

1:48 pm-10:46 pm

2 stops32h 58m

$371

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Fri 1/9

2:01 pm-9:13 am

2 stops19h 12m

Cancun

Fri 1/16

10:13 am-8:09 pm

1 stop9h 56m

$374

IslipCancún

ISP - CUN

ISPCUN

Islip Long Island

Sat 4/11

7:00 am-1:59 pm

1 stop7h 59m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

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 12, 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.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Cancún

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Cancún flights
Newark to Cancún flights
LaGuardia to Cancún flights
Newark to Cozumel flights
John F Kennedy Intl to Cozumel flights
LaGuardia to Cozumel flights
White Plains to Cancún flights
Buffalo to Cancún flights
Albany to Cancún flights
Rochester to Cancún flights
Syracuse to Cancún flights
Buffalo to Cozumel flights
Albany to Cozumel flights
Rochester to Cozumel flights
Syracuse to Cozumel flights
Stewart to Cancún flights
White Plains to Cozumel flights
Elmira to Cancún flights
Ithaca to Cancún flights
Plattsburgh to Cancún flights
Ithaca to Cozumel flights
Newark to Chetumal flights
Binghamton to Cancún flights
John F Kennedy Intl to Chetumal flights
Islip to Cozumel flights
Stewart to Cozumel flights
Watertown to Cozumel flights
Watertown to Cancún flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.