Cheap Flights from Flagstaff (FLG) to Islip (ISP)

Popular airlines from Flagstaff Pulliam Field (FLG) to MacArthur Airport (ISP)

Cheap Flights from Flagstaff to Islip (FLG-ISP)

Prices were available within the past 7 days and start at for one-way flights and $1,413 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 6 - Mon, Sep 8
FLG
Flagstaff
ISP
Islip
$1,413 Roundtrip, found 6 days ago
$1,413
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 6 from Flagstaff to Islip, returning Mon, Sep 8, priced at $1,413 found 6 days ago
Flights from Flagstaff (FLG) to Islip (ISP)
Origin airport
Flagstaff Pulliam Field
Destination airport
MacArthur
Roundtrip price
$1,413
Distance
2119 mi

Flagstaff to Islip Flights

The cheapest times to fly from Flagstaff to Islip

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 Flagstaff to Islip are during the month of September. You can find some of the cheapest flights from Flagstaff to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Flagstaff to Islip

Sunday is one of the best days to book for cheap flights from Flagstaff to Islip: 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 Flagstaff to Islip

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 Flagstaff to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Flagstaff to Islip 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 Flagstaff to Islip 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 Flagstaff Pulliam Field Airport (FLG) to MacArthur Airport (ISP) cost?
Lock in a cheap one-way flight or cheap return flight from $1,413 from Flagstaff Pulliam Field Airport (FLG) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Flagstaff Pulliam Field Airport (FLG) to MacArthur Airport (ISP)?
September is the most affordable month to fly from FLG to ISP. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from Flagstaff Pulliam Field Airport (FLG) to MacArthur Airport (ISP)?
To find the cheapest airline flying from FLG to ISP, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Flagstaff Pulliam Field Airport (FLG) to MacArthur Airport (ISP)?
Nonstop flights from Flagstaff Pulliam Field Airport (FLG) to MacArthur Airport (ISP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FLG to ISP?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Flagstaff Pulliam Field Airport (FLG) to MacArthur Airport (ISP)?
To land at MacArthur Airport (ISP) without delays, select a flight that leaves from Flagstaff Pulliam Field Airport (FLG) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Flagstaff Pulliam Field Airport (FLG) to MacArthur Airport (ISP) last-minute?
Booking your plane ticket from FLG to ISP right before your trip is usually more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a FLG to ISP flight and hotel package?
You'll typically save money by securing a FLG to ISP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your preferred accommodations and flights, consider adding extras including activities, tours and car rentals.
Can I cancel or change the date of my flight from Flagstaff Pulliam Field Airport (FLG) to MacArthur Airport (ISP)?
In most cases, you can reschedule or cancel your FLG to ISP flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you need more details, head to our Customer Service portal.

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*Available to One Key members.