$114 Cheap Flights from Islip (ISP) to Miami (MIA)

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 $114 for one-way flights and $220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
Southwest Airlines
JetBlue Airways
Frontier Airlines

Alternative airports near Miami

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

Flights from Islip (ISP) to Miami (MIA)
Origin airport
MacArthur
Destination airport
Miami Intl.
Airlines serving
Frontier Airlines, Southwest Airlines
Roundtrip price
$220
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 August. 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 $114 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 $282 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 July 26 2025 and touching down at MIA. The price was last updated on July 1 2025 and has not changed since.
What is the cheapest month to fly from ISP to MIA?
To pick up a cheap fare, check for direct flights from ISP to MIA leaving in August. You can find a one-way Southwest Airlines flight for $149 leaving on August 1 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 1 2025 and remains unchanged.
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 $149. 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 1 2025. Prices were last updated on July 1 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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