Featured airlines
- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from Islip to Pittsburgh (ISP-PIT)
Prices were available within the past 7 days and start at $101 for one-way flights and $180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frequently asked questions
Travel information
Travel information
Origin airport | MacArthur |
Destination airport | Pittsburgh Intl. |
Airlines serving | Breeze Airways, Frontier Airlines, JetBlue Airways, Southwest Airlines |
Roundtrip price | $180 |
Distance | 375 mi |
Book with confidence
Book with confidence
The cheapest times to fly from Islip to Pittsburgh
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 Pittsburgh are during the month of May. You can find some of the cheapest flights from Islip to Pittsburgh with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Islip to Pittsburgh
Sunday is one of the best days to book for cheap flights from Islip to Pittsburgh: 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 Pittsburgh
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 Pittsburgh in 2025. You can also book with separate airlines for your outbound and return journeys, from $101 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 Pittsburgh 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 Pittsburgh 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.
Be inspired and discover more with Expedia
Be inspired and discover more with Expedia
Flights
- Frontier Airlines Islip (ISP) to Raleigh (RDU) flights
- Frontier Airlines Islip (ISP) to Tampa (TPA) flights
- JetBlue Airways Tampa (TPA) to Pittsburgh (PIT) flights
- Delta Dallas (DFW) to Pittsburgh (PIT) flights
- Delta Dallas (DAL) to Pittsburgh (PIT) flights
- Alaska Airlines Seattle (SEA) to Pittsburgh (PIT) flights
- JetBlue Airways Boston (BOS) to Pittsburgh (PIT) flights
- JetBlue Airways Orlando (MCO) to Pittsburgh (PIT) flights
- Spirit Airlines Fort Lauderdale (FLL) to Pittsburgh (PIT) flights
- United Chicago (ORD) to Pittsburgh (PIT) flights
- Spirit Airlines Houston (IAH) to Pittsburgh (PIT) flights
- United Los Angeles (LAX) to Pittsburgh (PIT) flights
- Frontier Airlines Islip (ISP) to West Palm Beach (PBI) flights
- Frontier Airlines Islip (ISP) to Fort Lauderdale (FLL) flights
- Flights from Tweed - New Haven Regional
- Flights from Brookhaven Calabro
- Flights from Francis S. Gabreski
- Flights from Republic
- Flights from John F. Kennedy Intl.
- Flights from Danbury Municipal
- Flights from Igor I. Sikorsky Memorial
- Flights from East Hampton
- Flights from Westchester County
- Flights from LaGuardia
- Flights from Portland (PDX) to Las Vegas (LAS)
- Flights from Dallas (DFW) to Las Vegas (LAS)
- Flights from Minneapolis (MSP) to Las Vegas (LAS)
- Flights from Atlanta (ATL) to Las Vegas (LAS)
- Flights from Chicago (ORD) to Las Vegas (LAS)
- Flights from Houston (IAH) to Las Vegas (LAS)
- Flights from New York (NYC) to Las Vegas (LAS)
- Flights from Los Angeles (LAX) to Las Vegas (LAS)
- Flights from Detroit (DTW) to Las Vegas (LAS)
- Flights from San Francisco (SFO) to Las Vegas (LAS)
- Flights from Seattle (SEA) to Las Vegas (LAS)
- Flights from Islip (ISP) to Norfolk (ORF)
- Flights from Seattle (SEA) to Phoenix (PHX)
- Flights from Islip (ISP) to Miami (MIA)
- Flights from Boston (BOS) to Miami (MIA)
- Flights from New York (LGA) to Miami (MIA)
- Flights from Boston (BOS) to Orlando (MCO)
- Flights from Philadelphia (PHL) to Orlando (MCO)
- Flights from New York (JFK) to Orlando (MCO)
- Flights from New York (JFK) to Rome (FCO)
- Flights from Islip (ISP) to Raleigh (RDU)
- Flights from San Francisco (SFO) to New York (JFK)
- Flights from New York (JFK) to London (LHR)
- Flights from Islip (ISP) to Denver (DEN)
- Flights from Islip (ISP) to Charleston (CHS)
- Flights from Islip (ISP) to Sarasota (SRQ)
- Flights from Islip (ISP) to Chicago (ORD)
- Flights from New York (NYC) to Los Angeles (LAX)
- Flights from Dallas (DFW) to Los Angeles (LAX)
- Flights from Seattle (SEA) to Los Angeles (LAX)
- Flights from Las Vegas (LAS) to Los Angeles (LAX)
- Flights from Los Angeles (LAX) to Dallas (DFW)
- Flights from Islip (ISP) to Tampa (TPA)
- Flights from Islip (ISP) to Charlotte (CLT)
- Flights from Los Angeles (LAX) to Seattle (SEA)
- Flights from Los Angeles (LAX) to New York (NYC)
- Flights from Miami (MIA) to New York (NYC)
- Flights from Atlanta (ATL) to New York (NYC)
- Flights from Dallas (DFW) to New York (NYC)
- Flights from Islip (ISP) to Vero Beach (VRB)
- Flights from Dallas (DFW) to Pittsburgh (PIT)
- Flights from Los Angeles (LAX) to Pittsburgh (PIT)
- Flights from Fort Lauderdale (FLL) to Pittsburgh (PIT)
- Flights from Houston (IAH) to Pittsburgh (PIT)
- Flights from Tampa (TPA) to Pittsburgh (PIT)
- Flights from Denver (DEN) to Pittsburgh (PIT)
- Flights from Seattle (SEA) to Pittsburgh (PIT)
- Flights from Boston (BOS) to Pittsburgh (PIT)
- Flights from Dallas (DAL) to Pittsburgh (PIT)
- Flights from Phoenix (PHX) to Pittsburgh (PIT)
- Flights from Orange County (SNA) to Pittsburgh (PIT)
- Flights from Chicago (ORD) to Pittsburgh (PIT)
- Flights from Islip (ISP) to Jacksonville (JAX)
- Flights from Islip (ISP) to Fort Lauderdale (FLL)
- Frontier Airlines
- JetBlue Airways
- Breeze Airways
- Flights to San Antonio
- Flights to New York
- Flights to Las Vegas
- Flights to Chicago
- Flights to San Diego
- Flights to Atlanta
- Flights to Miami
- Flights to Nashville
- Flights to San Francisco
- Flights to New Orleans
- Flights to Gatlinburg
- Flights to Washington
- Flights to Orlando
- Flights to Pigeon Forge
- Flights to Boston
- Flights to Fort Lauderdale
- Flights to Houston
- Flights to Los Angeles
- Flights to Honolulu
- Flights to Key West