Cheap Flights from Islip (ISP) to Williamsport (IPT)

Popular airlines from MacArthur Airport (ISP) to Williamsport, PA (IPT-Williamsport Regional)

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Cheap Flights from Islip to Williamsport (ISP-IPT)

Prices were available within the past 7 days and start at for one-way flights and $1,485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cape Air
Fri, Nov 7 - Sun, Nov 9
ISP
Islip
IPT
Williamsport
$1,485 Roundtrip, found 2 days ago
$1,485
Roundtrip
found 2 days ago
Select Cape Air flight, departing Fri, Nov 7 from Islip to Williamsport, returning Sun, Nov 9, priced at $1,485 found 2 days ago
Cape Air
Fri, Nov 7 - Sun, Nov 9
ISP
Islip
IPT
Williamsport
$2,000 Roundtrip, found 2 days ago
$2,000
Roundtrip
found 2 days ago
Select Cape Air flight, departing Fri, Nov 7 from Islip to Williamsport, returning Sun, Nov 9, priced at $2,000 found 2 days ago

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Williamsport Regional Airport (IPT) cost?
Lock in a cheap one-way flight or cheap return flight from $1,485 from MacArthur Airport (ISP) to Williamsport Regional Airport (IPT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from MacArthur Airport (ISP) to Williamsport Regional Airport (IPT)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between ISP and IPT. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Williamsport Regional Airport (IPT)?
To find the cheapest airline that'll fly you from ISP to IPT, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from MacArthur Airport (ISP) to Williamsport Regional Airport (IPT)?
Nonstop flights from MacArthur Airport (ISP) to Williamsport Regional Airport (IPT) 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 select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ISP to IPT?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from MacArthur Airport (ISP) to Williamsport Regional Airport (IPT)?
To avoid possible delays on the MacArthur Airport (ISP) to Williamsport Regional Airport (IPT) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 MacArthur Airport (ISP) to Williamsport Regional Airport (IPT) last-minute?
Holding off until just before your departure to book a flight from ISP to IPT often results in higher prices. While you might find some last-minute discounts, they aren't always guaranteed. Be flexible with your travel plans for a better chance of landing a bargain.
Is it cheaper to book an ISP to IPT flight and hotel package?
Compared with arranging hotels and flights separately, booking an ISP to IPT flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of stays, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Williamsport Regional Airport (IPT)?
Typically, you're able to cancel or reschedule your ISP to IPT flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want further information, head to our Customer Service portal.

Travel information

Origin airport
MacArthur
Destination airport
Williamsport Regional
Roundtrip price
$1,485
Distance
201 mi

Book with confidence

Islip to Williamsport Flights

The cheapest times to fly from Islip to Williamsport

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

 

The best time to book a flight from Islip to Williamsport

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

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 Williamsport 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 Islip to Williamsport 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 Williamsport 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.

 

Islip to Williamsport Flights

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*Available to One Key members.