Cheap Flights from Pittsburgh (AGC) to Islip (ISP)

Popular airlines from Pittsburgh, PA (AGC-Allegheny County) to MacArthur Airport (ISP)

Frequently asked questions

How much does a flight from Allegheny County Airport (AGC) to MacArthur Airport (ISP) cost?
Snag a cheap one-way flight or cheap return flight from Allegheny County Airport (AGC) 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 Allegheny County Airport (AGC) to MacArthur Airport (ISP)?
The cheapest month to fly from AGC to ISP is , when demand is low. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Allegheny County Airport (AGC) to MacArthur Airport (ISP)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from AGC to ISP. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Allegheny County Airport (AGC) to MacArthur Airport (ISP)?
There aren't any daily direct flights departing from Allegheny County Airport (AGC) to MacArthur Airport (ISP). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from AGC to ISP?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Allegheny County Airport (AGC) to MacArthur Airport (ISP)?
To avoid possible delays on the Allegheny County Airport (AGC) to MacArthur Airport (ISP) route, aim to fly before 3 PM. Later departures 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.
Is it cheaper to buy a plane ticket from Allegheny County Airport (AGC) to MacArthur Airport (ISP) last-minute?
Booking your plane ticket from AGC to ISP just before your trip is usually more expensive. But if you're flexible with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book an AGC to ISP flight and hotel package?
Compared with arranging hotels and flights separately, booking an AGC to ISP flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Allegheny County Airport (AGC) to MacArthur Airport (ISP)?
It's usually possible to reschedule or cancel your AGC to ISP flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Allegheny County
Destination airport
MacArthur
Distance
359 mi

Book with confidence

Book with confidence

Pittsburgh to Islip Flights

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

 

The best time to book a flight from Pittsburgh to Islip

Sunday is one of the best days to book for cheap flights from Pittsburgh 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 Pittsburgh 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 Pittsburgh 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 Pittsburgh 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 Pittsburgh 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.

 

Pittsburgh to Islip Flights

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*Available to One Key members.