$101 Cheap Flights from Pittsburgh (PIT) to Islip (ISP)

You can find cheap one-way flights from $101 and cheap return flights $201 Pittsburgh, PA (PIT-Pittsburgh Intl.) to Islip, NY (ISP-MacArthur) with Expedia. One-way flights usually range from $105 to $757, and return flights typically cost between $428 and $1646. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Pittsburgh, PA (PIT-Pittsburgh Intl.) to Islip, NY (ISP-MacArthur) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

The cheapest month to fly from PIT to ISP is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Enter PIT to ISP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

JetBlue Airways is one of the cheapest airlines offering connecting flights from Pittsburgh, PA (PIT) to Islip, NY (ISP), with round-trip tickets starting from around $465 with a layover in New York (JFK). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

To find a cheap flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Islip, NY (ISP-MacArthur), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

The earliest flight from Pittsburgh International Airport (PIT) to MacArthur Airport (ISP) typically departs at around 5:00 AM, operated by American Airlines. An early flight like this can help you make the most of your day in Islip. This service is seasonal, active in July. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

The most popular departure times for flights from Pittsburgh, PA (PIT) to Islip, NY (ISP) are from 9am to 12pm. About 41% of passengers prefer this time window. Many major carriers, including United Airlines, Southwest Airlines, and American Airlines, offer flights during this window. This timing is popular because it allows you to arrive in Islip with plenty of time to enjoy your day.

A flight from PIT to ISP with a layover takes around 8 hours 20 minutes, with the route covering approximately 376 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Select the "Business class" and "First class" filters when looking for PIT to ISP flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Islip, NY (ISP-MacArthur) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

From Pittsburgh Intl. (PIT), you can fly into MacArthur (ISP) to reach Islip. Some flights may connect through major hubs like Liberty Intl. (EWR), Washington Dulles Intl. (IAD), Ronald Reagan Washington National (DCA) before reaching Islip. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Islip, NY (ISP-MacArthur) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Islip, NY (ISP-MacArthur) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Pittsburgh, PA (PIT-Pittsburgh Intl.) to Islip, NY (ISP-MacArthur) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.