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$127+ Cheap flights from Islip 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MIA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Islip Long Island to Miami are usually found in January or October, booked 28 days in advance, depart on a Tuesday or Thursday and return on a Thursday

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 September 16, 2025.

Round-trip from

$226
(Frontier)

One-way from

$127
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$411

Good one-way deal

$463 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. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This Frontier deal was found by Cheapflights users on 9/15. 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.
Thu 10/169:37 pmISP - MIA
2 stops18h 26mFrontier
Mon 10/204:21 pmMIA - ISP
2 stops17h 23mFrontier
Deal found 9/15$226
This Frontier deal was found by Cheapflights users on 9/15. 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.
Thu 10/211:40 amISP - MIA
2 stops20h 49mFrontier
Mon 10/69:16 pmMIA - ISP
2 stops23h 26mFrontier
Deal found 9/15$227
This Frontier deal was found by Cheapflights users on 9/14. 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 10/269:47 pmISP - MIA
2 stops12h 47mFrontier
Mon 11/310:15 pmMIA - ISP
2 stops19h 27mFrontier
Deal found 9/14$240
This Southwest deal was found by Cheapflights users on 9/14. 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 10/275:55 amISP - MIA
1 stop6h 00mSouthwest
Tue 11/45:10 pmMIA - ISP
1 stop4h 55mSouthwest
Deal found 9/14$257
This Frontier deal was found by Cheapflights users on 9/16. 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.
Sun 10/59:49 amISP - MIA
2 stops14h 23mFrontier
Wed 10/84:05 pmMIA - ISP
2 stops16h 59mFrontier
Deal found 9/16$263
This Frontier deal was found by Cheapflights users on 9/16. 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.
Sun 10/55:12 pmISP - MIA
2 stops15h 17mFrontier
Mon 10/69:16 pmMIA - ISP
2 stops23h 26mFrontier
Deal found 9/16$267
This Frontier deal was found by Cheapflights users on 9/16. 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.
Thu 10/306:37 pmISP - MIA
2 stops15h 34mFrontier
Sun 11/27:07 pmMIA - ISP
2 stops15h 30mFrontier
Deal found 9/16$273
This Frontier deal was found by Cheapflights users on 9/15. 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.
Sun 11/29:27 pmISP - MIA
2 stops12h 44mFrontier
Sun 11/910:15 pmMIA - ISP
2 stops20h 51mFrontier
Deal found 9/15$282
This Frontier deal was found by Cheapflights users on 9/15. 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.
Sun 9/2111:25 amISP - MIA
2 stops21h 04mFrontier
Mon 9/296:59 pmMIA - ISP
2 stops15h 41mFrontier
Deal found 9/15$291
This Frontier deal was found by Cheapflights users on 9/15. 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.
Sun 9/2111:25 amISP - MIA
2 stops21h 04mFrontier
Sat 10/412:18 pmMIA - ISP
2 stops20h 46mFrontier
Deal found 9/15$294
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/14:00 pmISP - MIA
1 stop5h 10mSouthwest
Tue 10/711:45 amMIA - ISP
1 stop4h 20mSouthwest
Deal found 9/15$307

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 September 16, 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 10/27

5:55 am-11:55 am

1 stop6h 00m

Miami

Tue 11/4

5:10 pm-10:05 pm

1 stop4h 55m

$257

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sun 10/5

5:12 pm-8:29 am

2 stops15h 17m

Miami

Mon 10/6

9:16 pm-8:42 pm

2 stops23h 26m

$267

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Thu 10/30

6:37 pm-10:11 am

2 stops15h 34m

Miami

Sun 11/2

7:07 pm-10:37 am

2 stops15h 30m

$273

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Mon 11/10

9:54 am-12:34 am

2 stops14h 40m

Miami

Sat 11/15

1:58 pm-8:02 am

2 stops18h 04m

$291

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sun 9/21

11:25 am-8:29 am

2 stops21h 04m

Miami

Mon 9/29

6:59 pm-10:40 am

2 stops15h 41m

$291

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sun 9/21

11:25 am-8:29 am

2 stops21h 04m

Miami

Sat 10/4

12:18 pm-9:04 am

2 stops20h 46m

$294

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Sat 10/4

3:10 pm-8:30 pm

1 stop5h 20m

Miami

Sat 10/11

6:50 am-4:15 pm

2 stops9h 25m

$312

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Fri 10/3

5:35 pm-10:35 pm

1 stop5h 00m

Miami

Tue 10/7

6:55 am-4:05 pm

2 stops9h 10m

$312

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Wed 10/1

4:00 pm-9:10 pm

1 stop5h 10m

Miami

Tue 10/7

6:55 am-4:05 pm

2 stops9h 10m

$312

IslipMiami

ISP - MIA

ISPMIA

Islip Long Island

Thu 10/23

3:20 pm-10:05 pm

1 stop6h 45m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 results
1
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

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

Currently, September is the cheapest month in which you can book a flight from Islip to Miami (average of $232). Flying from Islip 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 September 16, 2025.

One of the essential ways to save on airfare from Islip 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 September 16, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and JetBlue 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
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

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
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

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
JetBlue
7.2
Good
2,914 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

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
Spirit Airlines
6.3
Okay
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

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
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Crew

8.6

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 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 to Miami flight route?

    Within the past month, 2 users have taken a look at flights from Islip Long Island to Miami.

  • How long is the flight from Islip to Miami?

    There are many flights that can get you from Islip to Miami in 6h. Fly via Southwest or Frontier to get the fastest option. The distance from Islip to Miami is about 1114 mi. This flight may include one or multiple stops.

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

    Frontier, at $45, was found to be the cheapest airline from Islip to Miami.Alternate airlines to your destination round-trip include Spirit Airlines and JetBlue. Users have found that Frontier is 88% cheaper than the other options available to this destination.

  • What are the cheapest flights from Islip to Miami?

    On average you can expect to pay $463 for a flight from Islip to Miami. The cheapest flight overall is $463 while the most popular route, (Islip Long Island - Miami) is currently priced at $252.

  • 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 to Miami?

    Currently, September is the cheapest month in which you can book a flight from Islip to Miami (average of $232). Flying from Islip 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 Miami?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Miami

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Islip to Miami

Discover the top 5 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$45Average$103FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$85Average$196FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$117Average$333FlexibilityNo cancel feeOn-time62%
DeltaCheapest$117Average$220FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$242Average$419FlexibilityNo cancel feeOn-time63%

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