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$129+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MIA
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheap 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 August 2, 2026.

This Southwest deal was found by Cheapflights users on 7/29. 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 9/122:00 pm
ISP
-
MIA
1 stop5h 20m
Southwest
Sat 9/197:00 am
MIA
-
ISP
1 stop6h 20m
Southwest
Deal found 7/29$273
This Southwest deal was found by Cheapflights users on 7/29. 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.
Sun 9/64:30 pm
ISP
-
MIA
1 stop4h 50m
Southwest
Sat 9/126:30 am
MIA
-
ISP
1 stop5h 35m
Southwest
Deal found 7/29$274
This Southwest deal was found by Cheapflights users on 7/28. 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.
Thu 9/31:15 pm
ISP
-
MIA
2 stops8h 55m
Southwest
Sun 9/67:25 am
MIA
-
ISP
1 stop5h 20m
Southwest
Deal found 7/28$279
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/2710:57 am
ISP
-
MIA
2 stops12h 08m
Multiple Airlines
Mon 8/313:30 pm
MIA
-
ISP
1 stop25h 17m
Multiple Airlines
Deal found 8/1$282
This Southwest deal was found by Cheapflights users on 7/28. 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 10/123:10 pm
ISP
-
MIA
2 stops7h 55m
Southwest
Thu 10/157:10 am
MIA
-
ISP
2 stops7h 20m
Southwest
Deal found 7/28$283
This Southwest deal was found by Cheapflights users on 8/1. 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 8/293:15 pm
ISP
-
MIA
1 stop5h 00m
Southwest
Sat 9/57:00 am
MIA
-
ISP
1 stop6h 20m
Southwest
Deal found 8/1$286
This Southwest deal was found by Cheapflights users on 8/1. 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.
Wed 9/26:05 am
ISP
-
MIA
1 stop7h 30m
Southwest
Tue 9/84:05 pm
MIA
-
ISP
1 stop5h 05m
Southwest
Deal found 8/1$299

Find 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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$273
(Southwest)

One-way from

$129
(Kiwi.com)

Popular in

September

Cheapest in

November

Average price

$393

Good one-way deal

$463 or less
Provider with most accurate pricing for Islip Long Island-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Miami flights.
Search Deals
From Islip Long Island to Miami
Search Deals
One-way flight from Islip Long Island to Miami
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a one-way flight from Islip Long Island to Miami.
Search Deals

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 August 2, 2026.
Use the filters below to find and compare flights from Islip to Miami that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sat 9/12

2:00 pm-7:20 pm

1 stop5h 20m

Miami

Sat 9/19

7:00 am-1:20 pm

1 stop6h 20m

$273
Quickest round-trip

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Mon 10/12

5:40 pm-10:35 pm

1 stop4h 55m

Miami

Thu 10/15

6:10 pm-11:10 pm

1 stop5h 00m

$273

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sat 8/29

3:15 pm-8:15 pm

1 stop5h 00m

Miami

Sat 9/5

7:00 am-1:20 pm

1 stop6h 20m

$286

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Wed 9/2

6:05 am-1:35 pm

1 stop7h 30m

Miami

Tue 9/8

4:05 pm-9:10 pm

1 stop5h 05m

$299

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sun 8/30

6:20 am-12:15 pm

1 stop5h 55m

Miami

Sun 9/6

7:25 am-6:00 pm

2 stops10h 35m

$325

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sun 8/30

6:20 am-12:15 pm

1 stop5h 55m

Miami

Tue 9/1

9:15 am-9:05 pm

2 stops11h 50m

$338

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sun 10/18

6:15 pm-12:05 am

1 stop5h 50m

Miami

Tue 10/20

12:35 pm-10:35 pm

2 stops10h 00m

$352

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Thu 10/29

3:10 pm-11:05 pm

2 stops7h 55m

Miami

Sat 10/31

6:45 am-11:55 am

1 stop5h 10m

$372
Cheapest one-way
Quickest one-way

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Mon 10/5

5:40 pm-10:35 pm

1 stop4h 55m

$137

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Tue 9/15

3:20 pm-8:20 pm

1 stop5h 00m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Islip to Miami

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 Miami in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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-Miami flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Miami flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Miami flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Miami flights, Cheapflights users trust FlightHub the most. FlightHub 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-Miami 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 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

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

Currently, November is the cheapest month in which you can book a flight from Islip, New York to Miami (average of $167). Flying from Islip, New York to Miami in September is currently the most expensive (average of $411). 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.

How much does it cost to fly round-trip from Islip, New York to Miami?

Airfare is below average for this route at the moment.

Islip, New York to Miami flights typically cost between $387 and $416 in September.
The cheapest round-trip price found within the last 5 days was $273 on Southwest (Sep 12-Sep 19).

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 August 2, 2026.
Get a feel of what it's like to fly with Southwest,JetBlue, andFrontier 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
4,230 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
8.0
Very good
4,230 reviews
Southwest
8.0
Very good
4,230 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
JetBlue
7.1
Good
3,033 reviews
Southwest
8.0
Very good
4,230 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Frontier
5.6
Fair
2,741 reviews
Southwest
8.0
Very good
4,230 reviews

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Food

7.0

Boarding

8.1

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    A quick flight from Islip, New York to Miami can take about 5h 20m. Southwest provides one of the quickest options available for as low as $273. The distance from Islip, New York to Miami is about 1114 mi.

  • 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 Frontier. Our recent data shows that you can find tickets from as low as $35 on this airline. Additional options worth looking into are JetBlue and Southwest, starting at $147 and $306 round-trip. Frontier is 88% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Islip, New York to Miami one-way?

    The cheapest airlines for a one-way flight from Islip, New York to Miami are Frontier ($29), JetBlue ($68), and Southwest ($104).

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

    On average you can expect to pay $463 for a flight from Islip, New York to Miami. The cheapest flight overall is $463 while the most popular route, (Islip Long Island - Miami) is currently priced at $273.

  • 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, November is the cheapest month in which you can book a flight from Islip, New York to Miami (average of $167). Flying from Islip, New York to Miami in September is currently the most expensive (average of $411). 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 Miami?

Book flights to Miami if you plan to visit one of these locations
Sunny Isles Beach
Hollywood
Dania Beach
Miami Springs
Boynton Beach
Miramar
Plantation
Sunrise
Doral
Hialeah
Palm Beach
Lake Worth
Kendall
Tamarac
Fisher Island
Bonita Springs
Deerfield Beach
Marathon
North Palm Beach
Oakland Park

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Islip to Miami

Discover the top 3 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 August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$35Average$187FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$147Average$309FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$306Average$416FlexibilityNo cancel feeOn-time63%

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