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$246+ Cheap flights from Islip, NY (ISP) to Mexico

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MEX
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Islip to Mexico

Keep the following information in mind while searching for Islip to Mexico flight deals. Data was last updated August 18, 2025.

Round-trip from

$439
(Kiwi.com)

One-way from

$246
(Frontier)

Popular in

December

Cheapest in

June

Average price

$572
From Islip Long Island to Mexico
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One-way flight from Islip Long Island to Mexico
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Highest demand for flights based on searches. 16% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($27 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 Mexico

Cheapest flights from Islip to Mexico
Explore the most affordable flight options available from Islip to Mexico. 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 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/211:40 amISP - MEX
1 stop9h 55mMultiple Airlines
Thu 10/911:05 amMEX - ISP
1 stop7h 37mMultiple Airlines
Deal found 8/18$439
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 Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:05 pmISP - MEX
2 stops30h 55mMultiple Airlines
Sun 9/2111:05 amMEX - ISP
1 stop21h 35mMultiple Airlines
Deal found 8/18$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.
Fri 8/229:58 amISP - MEX
1 stop11h 37mFrontier
Wed 9/311:05 amMEX - ISP
1 stop10h 36mFrontier
Deal found 8/15$656
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
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.
Wed 8/204:33 pmISP - MEX
2 stops29h 02mMultiple Airlines
Sun 8/2411:05 amMEX - ISP
1 stop10h 54mMultiple Airlines
Deal found 8/17$1,118

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Mexico 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 Mexico that are best for you.

Fly from

Islip

Fly to

Mexico

Route

Depart

Return

Price

IslipMexico City

ISP - MEX

ISPMEX

Islip Long Island

Thu 10/2

11:40 am-7:35 pm

1 stop9h 55m

Mexico City Benito Juarez

Thu 10/9

11:05 am-8:42 pm

1 stop7h 37m

$439

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

IslipMexico City

ISP - MEX

ISPMEX

Islip Long Island

Fri 9/12

5:05 pm-10:00 pm

2 stops30h 55m

Mexico City Benito Juarez

Sun 9/21

11:05 am-10:40 am

1 stop21h 35m

$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

IslipSan José del Cabo

ISP - SJD

ISPSJD

Islip Long Island

Sun 2/1

7:30 am-5:10 pm

2 stops35h 40m

San José del Cabo Los Cabos

Sun 2/8

5:15 pm-8:01 pm

2 stops24h 46m

$1,076

IslipSan José del Cabo

ISP - SJD

ISPSJD

Islip Long Island

Mon 12/8

7:30 am-1:28 pm

2 stops31h 58m

San José del Cabo Los Cabos

Mon 12/15

3:33 pm-1:24 pm

2 stops19h 51m

$1,123

IslipSan José del Cabo

ISP - SJD

ISPSJD

Islip Long Island

Sat 12/27

5:30 am-3:50 pm

2 stops12h 20m

San José del Cabo Los Cabos

Sat 1/3

12:15 pm-11:55 pm

2 stops9h 40m

$1,239

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 20 results
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Best time to book a flight from Islip to Mexico

Have a flexible travel schedule? Discover the best time to fly to Mexico 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 Mexico

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

Currently, May is the cheapest month in which you can book a flight from Islip, New York to Mexico (average of $387). Flying from Islip, New York to Mexico in December is currently the most expensive (average of $615). 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 MX?

Find hourly flight availability from Islip to Mexico. 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 Mexico as you normally would.

Related info for your journey

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

  • What airport do you fly from for flights from Islip to Mexico?

    Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly out of when you book flights from Islip to Mexico.

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

    There are many flights that can get you from Islip, New York to Mexico in 12h 20m. Fly via Frontier or Southwest to get the fastest option. There are 2441 mi between Islip, New York and Mexico. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Islip, New York to Mexico?

    While some choose either Islip Long Island - Mexico City Benito Juarez or Islip Long Island - San José del Cabo Los Cabos, Islip Long Island - Cancun is the most popular route from Islip, New York to Mexico.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Mexico 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 Mexico?

    Currently, May is the cheapest month in which you can book a flight from Islip, New York to Mexico (average of $387). Flying from Islip, New York to Mexico in December is currently the most expensive (average of $615). 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

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