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$553 Cheap Flights from Islip (ISP) to Pasco (PSC)

View $553 flight on Fri, Jul 17, 2026Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Tri-Cities Airport (PSC)

Cheap Flights from Islip to Pasco (ISP-PSC)

Prices were available within the past 7 days and start at $553 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Tri-Cities Airport (PSC) cost?
Lock in a cheap one-way flight from $553 or cheap return flight from MacArthur Airport (ISP) to Tri-Cities Airport (PSC) 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 Tri-Cities Airport (PSC)?
Planning your getaway for is a great way to save, as it's the cheapest month for flights between ISP and PSC. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Tri-Cities Airport (PSC)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ISP to PSC flight.
How many flights per day from MacArthur Airport (ISP) to Tri-Cities Airport (PSC)?
Nonstop flights from MacArthur Airport (ISP) to Tri-Cities Airport (PSC) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ISP to PSC?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range 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 MacArthur Airport (ISP) to Tri-Cities Airport (PSC)?
To avoid potential delays on the MacArthur Airport (ISP) to Tri-Cities Airport (PSC) route, travel before 3 PM. Departures after this hour are 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 Tri-Cities Airport (PSC) last-minute?
Holding off until right before your break to book your flight from ISP to PSC generally means paying more. While you may come across some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of scoring a bargain.
Is it cheaper to book an ISP to PSC flight and hotel package?
Securing an ISP to PSC flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Tri-Cities Airport (PSC)?
Typically, you're able to cancel or reschedule your ISP to PSC flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Origin airport
MacArthur
Destination airport
Tri-Cities
Distance
2302 mi

Book with confidence

Islip to Pasco Flights

The cheapest times to fly from Islip to Pasco

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

 

The best time to book a flight from Islip to Pasco

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

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 Pasco in 2026. You can also book with separate airlines for your outbound and return journeys, from $553 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 Pasco 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 Pasco 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 Pasco Flights

*Flight schedules are subject to change.

*Available to One Key members.