$118 Cheap Flights from Islip (ISP) to Miami (MIA)

View $118 flight on Mon, Sep 1, 2025Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Miami Intl. Airport (MIA)

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Cheap Flights from Islip to Miami (ISP-MIA)

Prices were available within the past 7 days and start at $118 for one-way flights and $235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Dec 8 - Thu, Dec 11
ISP
Islip
MIA
Miami
$235 Roundtrip, just found
$235
Roundtrip
just found
Select Southwest Airlines flight, departing Mon, Dec 8 from Islip to Miami, returning Thu, Dec 11, priced at $235 just found
Southwest Airlines
Sat, Oct 25 - Sun, Nov 2
ISP
Islip
MIA
Miami
$238 Roundtrip, found 6 days ago
$238
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Oct 25 from Islip to Miami, returning Sun, Nov 2, priced at $238 found 6 days ago
Southwest Airlines
Tue, Aug 26 - Thu, Sep 4
ISP
Islip
MIA
Miami
$240 Roundtrip, found 2 hours ago
$240
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Aug 26 from Islip to Miami, returning Thu, Sep 4, priced at $240 found 2 hours ago
Southwest Airlines
Sat, Oct 25 - Thu, Nov 6
ISP
Islip
MIA
Miami
$245 Roundtrip, found 17 hours ago
$245
Roundtrip
found 17 hours ago
Select Southwest Airlines flight, departing Sat, Oct 25 from Islip to Miami, returning Thu, Nov 6, priced at $245 found 17 hours ago
Southwest Airlines
Tue, Aug 26 - Thu, Sep 4
ISP
Islip
MIA
Miami
$245 Roundtrip, found 2 hours ago
$245
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Tue, Aug 26 from Islip to Miami, returning Thu, Sep 4, priced at $245 found 2 hours ago
Southwest Airlines
Fri, Sep 26 - Sun, Sep 28
ISP
Islip
MIA
Miami
$248 Roundtrip, found 5 days ago
$248
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Sep 26 from Islip to Miami, returning Sun, Sep 28, priced at $248 found 5 days ago
Southwest Airlines
Wed, Oct 8 - Fri, Oct 10
ISP
Islip
MIA
Miami
$250 Roundtrip, found 2 days ago
$250
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Oct 8 from Islip to Miami, returning Fri, Oct 10, priced at $250 found 2 days ago
Southwest Airlines
Fri, Sep 26 - Sun, Sep 28
ISP
Islip
MIA
Miami
$253 Roundtrip, found 5 days ago
$253
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Sep 26 from Islip to Miami, returning Sun, Sep 28, priced at $253 found 5 days ago
Southwest Airlines
Thu, Sep 4 - Mon, Sep 8
ISP
Islip
MIA
Miami
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Sep 4 from Islip to Miami, returning Mon, Sep 8, priced at $254 found 1 day ago
Southwest Airlines
Thu, Sep 25 - Tue, Sep 30
ISP
Islip
MIA
Miami
$255 Roundtrip, found 1 day ago
$255
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Sep 25 from Islip to Miami, returning Tue, Sep 30, priced at $255 found 1 day ago

Alternative airports near Miami

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Fort Lauderdale - Hollywood Intl. FLL. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $228
FLL
Fort Lauderdale - Hollywood Intl.
Cheapest
Average driving time to city center32 min
Flights from $228
Flights from Islip (ISP) to Miami (MIA)
Origin airport
MacArthur
Destination airport
Miami Intl.
Airlines serving
Southwest Airlines
Roundtrip price
$234
Distance
1114 mi
Average flight time
3 hours 5 mins

Islip to Miami Flights

The cheapest times to fly from Islip to Miami

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islip to Miami are during the month of December. You can find some of the cheapest flights from Islip to Miami with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Miami

Sunday is one of the best days to book for cheap flights from Islip to Miami: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islip to Miami

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islip to Miami in 2025. You can also book with separate airlines for your outbound and return journeys, from $118 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islip to Miami flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islip to Miami airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Miami Intl. Airport (MIA) cost?
You can pick up cheap return flights starting from $377 from MacArthur Airport (ISP) to Miami Intl. Airport (MIA). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving ISP on August 3 2025 and touching down at MIA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from ISP to MIA?
The cheapest flights from ISP to MIA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from MacArthur Airport (ISP) to Miami Intl. Airport (MIA)?
When heading out of MacArthur Airport (ISP), you can take a direct flight to Miami Intl. Airport (MIA) with Southwest Airlines.
What is the cheapest airline that flies from ISP to MIA?
Currently, the cheapest carrier offering one-way flights from ISP to MIA is Southwest Airlines. You can take off on this route from $189. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ISP on August 4 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from MacArthur Airport (ISP) to Miami Intl. Airport (MIA)?
On average, just 1 nonstop flight departs each day from MacArthur Airport (ISP) to Miami Intl. Airport (MIA). Want additional options? Use our filters to find flights with layovers and squeeze in a visit to another city along the way.
What are the most popular departure times for flights from MacArthur Airport (ISP) to Miami Intl. Airport (MIA)?
The 1 PM departures from ISP to MIA are typically the busiest. These flights can come with a higher price due to their popularity. If you're looking to save, choose a less crowded time to fly.
What day of the week has the most flights from ISP to MIA?
Friday offers the most flights from MacArthur Airport (ISP) to Miami Intl. Airport (MIA). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your itinerary.
What is the earliest flight from MacArthur Airport (ISP) to Miami Intl. Airport (MIA)?
The earliest flight jetting off from MacArthur Airport (ISP) is at around 8:00AM UTC-5. Catch this flight and you'll touch down at Miami Intl. Airport (MIA) at approximately 11:10AM UTC-5. The entire trip takes 3h 10m.
How long does it take to fly from MacArthur Airport (ISP) to Miami Intl. Airport (MIA)?
It usually takes 3 hours and 10 minutes to fly the 1,100 mi from ISP to MIA.
What is the best time to fly from MacArthur Airport (ISP) to Miami Intl. Airport (MIA)?
To avoid potential delays on the MacArthur Airport (ISP) to Miami Intl. Airport (MIA) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Miami from MacArthur Airport (ISP)?
Catch a direct flight from MacArthur Airport (ISP) to Miami and touch down at Miami Intl. Airport (MIA). Another point of entry into the city is Fort Lauderdale - Hollywood Intl. Airport (FLL).
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Miami Intl. Airport (MIA) last-minute?
Last-minute fares from ISP to MIA are typically more expensive. For the best rates, start searching for flights early. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book an ISP to MIA flight and hotel package?
Compared with arranging flights and hotels separately, booking an ISP to MIA flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place takes the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Miami Intl. Airport (MIA)?
If you booked your ISP to MIA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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Miami nearby Airports

Fort Lauderdale

Islip to Fort Lauderdale - Hollywood Intl.
$146.96

Fort Lauderdale Brightline Train Station

Islip nearby Airports

New York

John F. Kennedy Intl. to Miami
$106.94
LaGuardia to Miami
$110.21

White Plains

Westchester County to Miami
$158.37
*Available to One Key members.