Cheap Flights from Islip (ISP) to Princeton (PCT)

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Princeton, NJ (PCT) cost?
Lock in a cheap one-way flight or cheap return flight from MacArthur Airport (ISP) to Princeton, NJ (PCT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from MacArthur Airport (ISP) to Princeton, NJ (PCT)?
is the cheapest month to fly from ISP to PCT. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Princeton, NJ (PCT)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from ISP to PCT. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from MacArthur Airport (ISP) to Princeton, NJ (PCT)?
There aren't any daily nonstop flights from MacArthur Airport (ISP) to Princeton, NJ (PCT). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from ISP to PCT?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, such as the carrier and season.*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 Princeton, NJ (PCT)?
Opt for a flight from MacArthur Airport (ISP) to Princeton, NJ (PCT) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time are on average 22% more likely to be 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.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Princeton, NJ (PCT) last-minute?
Booking your flight from ISP to PCT shortly before your getaway is typically more expensive. But if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book an ISP to PCT flight and hotel package?
Compared with arranging hotels and flights separately, booking an ISP to PCT flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the stress out of planning your trip. Simply pick your flights and select from our extensive range of stays, then customize your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Princeton, NJ (PCT)?
Typically, you're able to reschedule or cancel your ISP to PCT flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need further details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
MacArthur
Destination airport
Princeton
Distance
86 mi

Book with confidence

Book with confidence

Islip to Princeton Flights

The cheapest times to fly from Islip to Princeton

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

 

The best time to book a flight from Islip to Princeton

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

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 Princeton 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 Princeton 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 Princeton 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 Princeton Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.