Title: Cheap flights from Altoona to Islip (AOO to ISP) - Expedia.com ![Aerial South Shore Long Island During Sunset](https://images.trvl-media.com/place/1638/af7d1356-1b17-43db-b716-450cf420d6e9.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1638/af7d1356-1b17-43db-b716-450cf420d6e9.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Altoona (AOO) to Islip (ISP) ## Popular airlines from Altoona, PA (AOO-Blair County) to MacArthur Airport (ISP) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:AOO,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:AOO,departure:4/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:AOO,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:AOO,departure:4/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:AOO,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:AOO,departure:4/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:AOO,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:AOO,departure:4/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:AOO,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:AOO,departure:4/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:AOO,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:AOO,departure:4/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:AOO,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:AOO,departure:4/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ## Cheap Flights from Altoona to Islip (AOO-ISP) Prices were available within the past 7 days and start at for one-way flights and $1,812 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Contour Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LF.gif) Wed, Mar 18 - Thu, Mar 19 AOO Altoona ISP Islip $1,812 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AOO,to:ISP,departure:3/18/2026TANYT&leg2=from:ISP,to:AOO,departure:3/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1811.10&airProductToken=AQqJAQooCMyMARIEMzkzNxjAcyDimgEo0fiHAzC6-YcDOEJAAFgBcgVCM0NOWAoyCMGCARIEMjc3MxjimgEgwZMBKOr6hwMw8vuHAzhHQAFYAWoETUFJTnIIRzBBV1VOTjEKKQi5lgESAzIxNxjBkwEgyHwo3v2HAzC0_ocDOEtAAVgBagJFUnIDS0lQCokBCikIuZYBEgMyMTIYyHwgwZMBKMeFiAMwnIaIAzhCQABYAWoCRVJyA0JJUAoyCMGCARIEMjc3NhjBkwEg4poBKNqGiAMw9YeIAzhHQAFYAWoETUFJTnIIRzBBV1pOTjEKKAjMjAESBDM5MzYY4poBIMBzKM6IiAMwt4mIAzhCQAFYAXIFQjNDTlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAB) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Frequently asked questions ### How much does a flight from Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur) cost? ### What is the cheapest month to fly from Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur)? ### Which airlines fly direct from Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur)? ### How do I find cheap flights from Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur)? ### What is the best time to fly from Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur)? ### What is the earliest flight from Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur)? ### How long does it take to fly from Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur)? ### Can you fly business or first class from Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur)? ### How do I earn miles on a Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur) flight with Expedia? ### Is it cheaper to buy a plane ticket from Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur) at the last minute? ### Is it cheaper to book a Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur) flight and hotel package? ### Can I cancel or change the date of my flight from Altoona, PA (AOO-Blair County) to Islip, NY (ISP-MacArthur)? ## Travel information | Origin airport | Blair County | | ------------------- | ------------ | | Destination airport | MacArthur | | Roundtrip price | $1,811 | | Distance | 276 mi | ## Book with confidence # Altoona to Islip Flights The cheapest times to fly from Altoona 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 Altoona to Islip are during the month of March. You can find some of the cheapest flights from Altoona to Islip with Expedia's search tool and vast selection of airlines. The best time to book a flight from Altoona to Islip Sunday is one of the best days to book for cheap flights from Altoona 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 Altoona 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 Altoona to Islip in 2026\. 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 Altoona 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](https://www.expedia.com/package-deals). Bundling together your Altoona 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\. 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