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$95+ Cheap flights from Miami to Islip, NY (MIA - ISP)

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ISP
Nov 25 — Dec 21
Tue 11/25
Tue 12/2
1 adult, Economy
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Cheap flight deals from Miami to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Miami (MIA) to Islip (ISP). 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 October 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Frontier)

One-way from

$95
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$286
Provider with most accurate pricing for Miami-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for Miami-Islip Long Island flights.
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From Miami to Islip Long Island
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One-way flight from Miami to Islip Long Island
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Highest demand for flights based on searches. 17% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Miami to Islip

Cheapest flights from Miami to Islip
Explore the most affordable flight options available from Miami to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2025.

This Frontier deal was found by Cheapflights users on 10/25. 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 11/79:45 pmMIA - ISP
2 stops12h 52mFrontier
Sat 11/84:58 pmISP - MIA
2 stops13h 21mFrontier
Deal found 10/25$297
This Frontier deal was found by Cheapflights users on 10/25. 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 11/79:45 pmMIA - ISP
2 stops12h 52mFrontier
Sun 11/98:57 pmISP - MIA
2 stops21h 10mFrontier
Deal found 10/25$312
This Frontier deal was found by Cheapflights users on 10/24. 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 10/311:27 pmMIA - ISP
2 stops21h 10mFrontier
Sun 11/29:27 pmISP - MIA
2 stops12h 44mFrontier
Deal found 10/24$395
This Southwest deal was found by Cheapflights users on 10/23. 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.
Tue 11/117:10 amMIA - ISP
1 stop8h 10mSouthwest
Wed 11/126:15 amISP - MIA
1 stop5h 50mSouthwest
Deal found 10/23$402
This Southwest deal was found by Cheapflights users on 10/23. 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.
Tue 11/117:10 amMIA - ISP
1 stop8h 10mSouthwest
Thu 11/131:40 pmISP - MIA
2 stops8h 25mSouthwest
Deal found 10/23$423
This Frontier deal was found by Cheapflights users on 10/24. 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 12/57:00 amMIA - ISP
2 stops16h 59mFrontier
Mon 12/810:19 amISP - MIA
2 stops14h 27mFrontier
Deal found 10/24$431
This Southwest deal was found by Cheapflights users on 10/24. 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.
Fri 11/76:00 amMIA - ISP
1 stop6h 50mSouthwest
Sun 11/95:30 pmISP - MIA
1 stop5h 55mSouthwest
Deal found 10/24$432
This Southwest deal was found by Cheapflights users on 10/24. 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.
Tue 11/256:35 pmMIA - ISP
1 stop4h 35mSouthwest
Mon 12/16:00 pmISP - MIA
1 stop5h 00mSouthwest
Deal found 10/24$447

Cheapflights Fare Finder

 
Customize your flight search to find flights from Miami to Islip 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 October 26, 2025.
Use the filters below to find and compare flights from Miami to Islip that are best for you.

Fly from

Miami

Fly to

Islip

Route

Depart

Return

Price

MiamiIslip

MIA - ISP

MIAISP

Miami

Fri 11/7

9:45 pm-10:37 am

2 stops12h 52m

Islip Long Island

Sat 11/8

4:58 pm-6:19 am

2 stops13h 21m

$297

MiamiIslip

MIA - ISP

MIAISP

Miami

Fri 11/14

9:45 pm-10:37 am

2 stops12h 52m

Islip Long Island

Sun 11/16

9:27 pm-2:30 pm

2 stops17h 03m

$312

MiamiIslip

MIA - ISP

MIAISP

Miami

Fri 11/7

9:45 pm-10:37 am

2 stops12h 52m

Islip Long Island

Sun 11/9

8:57 pm-6:07 pm

2 stops21h 10m

$312

MiamiIslip

MIA - ISP

MIAISP

Miami

Tue 11/11

7:10 am-3:20 pm

1 stop8h 10m

Islip Long Island

Wed 11/12

6:15 am-12:05 pm

1 stop5h 50m

$402

MiamiIslip

MIA - ISP

MIAISP

Miami

Tue 11/11

7:10 am-3:20 pm

1 stop8h 10m

Islip Long Island

Thu 11/13

3:25 pm-10:05 pm

1 stop6h 40m

$402

MiamiIslip

MIA - ISP

MIAISP

Miami

Fri 12/5

7:00 am-11:59 pm

2 stops16h 59m

Islip Long Island

Mon 12/8

10:19 am-12:46 am

2 stops14h 27m

$431

MiamiIslip

MIA - ISP

MIAISP

Miami

Fri 11/7

6:00 am-12:50 pm

1 stop6h 50m

Islip Long Island

Sun 11/9

5:30 pm-11:25 pm

1 stop5h 55m

$432

MiamiIslip

MIA - ISP

MIAISP

Miami

Tue 11/25

5:13 pm-9:07 am

2 stops39h 54m

Islip Long Island

Mon 12/1

2:25 pm-11:49 pm

1 stop9h 24m

$460

MiamiIslip

MIA - ISP

MIAISP

Miami

Tue 12/16

6:55 am-12:30 pm

1 stop5h 35m

$129

MiamiIslip

MIA - ISP

MIAISP

Miami

Wed 1/14

4:30 pm-9:55 pm

1 stop5h 25m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

Showing 1-10 of 18 results
1
2

Compare providers for flights from Miami to Islip

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 Miami to Islip in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Miami-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Miami-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Miami-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Miami-Islip, New York 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 Miami-Islip, New York 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 Miami to Islip

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

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

Currently, March is the cheapest month in which you can book a flight from Miami to Islip, New York (average of $32). Flying from Miami to Islip, New York in August is currently the most expensive (average of $74). 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 MIA to ISP?

Find hourly flight availability from Miami to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 26, 2025.

One of the essential ways to save on airfare from Miami to Islip, New York 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 66% on airfare.

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated October 26, 2025.
See what other customers who have flown with Southwest and Frontier from Miami to Islip have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,123 reviews
Southwest
8.0
Very good
4,235 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

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

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

    There are many flights that can get you from Miami to Islip, New York in 8h 10m. Fly via Frontier or Southwest to get the fastest option. The distance between Miami and Islip, New York is about 1114 mi. This flight may include one or multiple stops.

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

    According to our current data, Frontier ($58), and Southwest ($241) offers the cheapest pricing from Miami to Islip, New York. Frontier is priced at 81% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Miami to Islip 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 Miami to Islip, New York?

    Currently, March is the cheapest month in which you can book a flight from Miami to Islip, New York (average of $32). Flying from Miami to Islip, New York in August is currently the most expensive (average of $74). 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
Riverhead
Southampton

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Miami to Islip

Discover the top 2 airlines that operate flights from Miami to Islip. 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 October 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$126FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$241Average$359FlexibilityNo cancel feeOn-time63%

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