$144 Flights from Islip (ISP) to Cancun (CUN)

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Flight deals from Islip Airport to Cancun Airport

Looking for a cheap last-minute deal or the best round-trip flight from Islip Airport to Cancun Airport? If you want to travel next month, round-trip fares start from $447. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Islip to Cancun

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Islip to Cancun flights are currently cheapest in April.

Islip to Cancun: Alternative routes

Compare routes from Islip to Cancun below. You may find an airport to fly into that's cheaper, faster, or easier than Cancun.

Islip to Cancun: Flight information

The things to know before you go.
Cheapest flight found$144
Cheapest month to flyApril

Finding cheap flights from Islip to Cancun: Frequently asked questions

The best price we found for a round-trip flight from Islip to Cancun is $419. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Islip to Cancun. But we found flights with one or more stops from $419.
There are no flights flying from Islip to Cancun, as of March 2026.
The cheapest month to fly from Islip to Cancun is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to Cancun Airport on Friday, April 24, 2026.
No airlines currently offer direct flights between Islip Airport and Cancun Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cancun but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Cancun is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Cancun.

Flying from Long Island MacArthur Airport (ISP) to Cancun International Airport (CUN): what you need to know

  • Cancun is one hour behind Islip and follows the UTC-5 timezone.

  • To ensure you get on your ISP to CUN flight, allow plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and an hour before domestic flights is the general travel rule.

  • Traveling during a peak time such as August? School holidays and other high seasons can mean longer queues at airport checkpoints. Play things extra safe and get there up to four hours before international flights and two hours before domestic departures.

  • Consider adding a stopover when booking your ticket from Long Island MacArthur Airport to Cancun International Airport. Simply deselect 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here are some options between ISP and CUN:

    • Baltimore/Wash International Thurgood Marshall Airport

    • Miami International Airport

    • Fort Lauderdale-Hollywood International Airport

How to find the cheapest flights from Long Island MacArthur Airport (ISP) to Cancun International Airport (CUN)

  • $144 is the best price for a one-way Long Island MacArthur Airport to Cancun International Airport flight. A return flight starts from $419. These fares may change based on demand and availability.

  • It's usually best to book early if you want to get cheap tickets from ISP to CUN. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' tool shows you the cheapest flights from Long Island MacArthur Airport to Cancun International Airport throughout the month. It's an easy way to snap up a bargain if your trip dates are flexible.

  • Picking up cheap flights from ISP to CUN is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as a new discounted fare appears.

  • Pick your preferred departure and arrival times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Long Island MacArthur Airport to Cancun International Airport.

Handy information about Long Island MacArthur Airport (ISP)

  • You'll find ISP at 100 Arrivals Avenue.

  • When it comes to the on-time performance of Long Island MacArthur Airport, 77.45% of flights arrive within the scheduled timeframe.

  • Long Island MacArthur Airport is about 10 miles from central Islip. If you're driving, ride-sharing or catching a cab from the center, it'll take 15 minutes or so to get there, depending on the traffic.

  • You can expect a trip time of about 1 hour 10 minutes on public transport.

  • Taking an early flight from Long Island MacArthur Airport to Cancun International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these stays close to ISP:

Arriving at Cancun International Airport (CUN)

  • The last thing you want is a lengthy trip to your hotel if you're landing late on a Long Island MacArthur Airport to Cancun International Airport flight. Book one of these accommodation options near CUN instead:

  • Get your adventure underway by picking up a Cancun International Airport rental car. Grab a set of wheels from MEX, America or Europcar and experience the lesser-explored corners of Cancun and beyond.

  • Booking your vehicle from Cancun International Airport about three weeks in advance can help you secure the lowest rate.

Getting from Cancun International Airport (CUN) to central Cancun

  • From Cancun International Airport, Cancun is approximately 12 miles away. It takes around 25 minutes to get to the center driving.

When to fly to Cancun International Airport (CUN)

  • July is the most popular month for flights from Long Island MacArthur Airport to Cancun International Airport. For smaller crowds, visit Cancun in May.

  • When booking your flight from Long Island MacArthur Airport to Cancun International Airport, think about the type of weather you enjoy. August is the warmest month in Cancun, with the temperature ranging from 79ºF to 90ºF.

  • January has average temperatures of between 68ºF and 81ºF. Search for cheap tickets from ISP to CUN sometime around then if you like cooler conditions.

Explore more of Mexico

  • You've visited Cancun, now it's time to discover more of Mexico. Travel about 180 miles west to Merida to check off its top attractions. From P. ANDADOR NVA. CHICHEN ITZA to Pre Hispanic Town Of Uxmal and El Palacio de Gobierno, you'll have a packed itinerary ahead.

  • If you're ready to explore another major stop in Mexico, head for Campeche, roughly 260 miles west of Cancun. Campeche Waterfront Promenade, Zona Arquelogica Edzna and Centro Historico de San Francisco de Campeche are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.