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$114+ Cheap flights from Islip, NY to Miami (ISP - MIA)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MIA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Islip Long Island to Miami are usually found in January or July, booked 86 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Islip to Miami

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Miami (MIA). 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 July 3, 2025.

Round-trip from

$237
(Southwest)

One-way from

$114
(Southwest)

Popular in

April

Cheapest in

January

Average price

$310

Good round-trip deal

$372 or less

Good one-way deal

$148 or less
From Islip Long Island to Miami
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One-way flight from Islip Long Island to Miami
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Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Islip Long Island to Miami.
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Price to beat on a one-way flight from Islip Long Island to Miami.
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Find flight deals from Islip to Miami

Cheapest flights from Islip to Miami
Explore the most affordable flight options available from Islip to Miami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Southwest deal was found by Cheapflights users on 7/2. 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.
Mon 8/412:40 pmISP - MIA
Nonstop3h 05mSouthwest
Mon 8/117:10 amMIA - ISP
1 stop4h 25mSouthwest
Deal found 7/2$237
This Frontier deal was found by Cheapflights users on 7/2. 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 8/249:01 pmISP - MIA
2 stops17h 44mFrontier
Sun 8/317:40 amMIA - ISP
2 stops12h 26mFrontier
Deal found 7/2$285

Cheapflights Fare Finder

Customize your flight search to find flights from Islip to Miami 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 July 3, 2025.
Use the filters below to find and compare flights from Islip to Miami that are best for you.

Fly from

Islip

Fly to

Miami

Route

Depart

Return

Price

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Mon 8/4

12:40 pm-3:45 pm

Nonstop3h 05m

Miami

Mon 8/11

7:10 am-11:35 am

1 stop4h 25m

$237

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sun 8/24

9:01 pm-2:45 pm

2 stops17h 44m

Miami

Sun 8/31

7:40 am-8:06 pm

2 stops12h 26m

$285

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Mon 8/4

12:40 pm-3:45 pm

Nonstop3h 05m

$114

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Mon 8/18

8:38 pm-2:45 pm

2 stops18h 07m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Islip to Miami

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

How far ahead should I book a flight from Islip, New York to Miami?

Use this chart to determine the optimal time to book a round-trip flight from Islip to Miami. Price data was last updated on June 27, 2025.

The best time to book flights from Islip, New York to Miami is 86 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Islip, New York to Miami (average of $231). Flying from Islip, New York to Miami in March is currently the most expensive (average of $289). 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 MIA?

Find hourly flight availability from Islip to Miami. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

One of the essential ways to save on airfare from Islip, New York to Miami is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 59% on airfare.

Reviews of airlines servicing Miami

Get insights into the airlines that provide service to Miami. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Miami. Reviews last updated July 3, 2025.
Get a feel of what it's like to fly with Southwest and Frontier from Islip to Miami by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
5.9
Fair
3,286 reviews
Southwest
8.0
Very good
4,266 reviews

Comfort

8.0

Crew

8.6

Boarding

8.2

Overall

8.0

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

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

  • How popular is this Islip, New York to Miami flight route?

    This flight path from Islip Long Island to Miami was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Islip, New York to Miami round-trip?

    Our cheapest airline available from Islip, New York to Miami is Southwest. Our recent data shows that you can find tickets from as low as $237 on this airline. An additional option worth looking into is Frontier, starting at $285. Southwest is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from Islip, New York to Miami?

    On average you can expect to pay $318 for a flight from Islip, New York to Miami. The cheapest flight overall is $148 while the most popular route, (Islip Long Island - Miami) is currently priced at $237.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Islip, New York to Miami (average of $231). Flying from Islip, New York to Miami in March is currently the most expensive (average of $289). 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 Islip?

Book flights to Islip if you plan to visit one of these locations
Hollywood
Aventura
Coral Gables
Sunny Isles Beach
Marathon
Miami Springs
Boynton Beach
Doral
Hialeah
Riviera Beach
Pembroke Pines
Hallandale Beach
Plantation
Sunrise
Palm Beach
Dania Beach
Florida City
Miami Gardens
Wilton Manors
Oakland Park

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Top 4 airlines flying from Islip to Miami

Discover the top 4 airlines that operate flights from Islip to Miami. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$39Average$92FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$85Average$196FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$117Average$306FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$242Average$415FlexibilityNo cancel feeOn-time63%

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