Title: Newburgh to Islip cheap flights (SWF 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 Newburgh (SWF) to Islip (ISP) ## Popular airlines from Stewart Intl. Airport (SWF) 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:SWF,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:SWF,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:SWF,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:SWF,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:SWF,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:SWF,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:SWF,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:SWF,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:SWF,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:SWF,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:SWF,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:SWF,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:SWF,to:ISP,departure:3/27/2026TANYT&leg2=from:ISP,to:SWF,departure:4/3/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Newburgh to Islip (SWF-ISP) Prices were available within the past 7 days and start at for one-way flights and $771 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Breeze Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MX.gif) Fri, Apr 17 - Thu, Apr 23 SWF Newburgh ISP Islip $771 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SWF,to:ISP,departure:4/17/2026TANYT&leg2=from:ISP,to:SWF,departure:4/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:770.30&airProductToken=AQpECiAIzbABEgM4NDMY0i0g4pEBKOvMigMwgc6KAzhMQABYAQogCM2wARIDMjU0GOKRASDIfCjTz4oDMMXQigM4TkABWAEKRAogCM2wARIDNDgyGMh8IOKRASjek4sDMK-ViwM4VEAAWAEKIAjNsAESAzg0MhjikQEg0i0oo5qLAzCjm4sDOFRAAVgBEgoIARABGAEqAk1YGAEiBAgBEAEoBDAB) ![Breeze Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MX.gif) Mon, Apr 13 - Thu, Apr 23 SWF Newburgh ISP Islip $781 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SWF,to:ISP,departure:4/13/2026TANYT&leg2=from:ISP,to:SWF,departure:4/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:780.30&airProductToken=AQpECiAIzbABEgM4NDMY0i0g4pEBKOufigMwgaGKAzhUQABYAQogCM2wARIDMjU0GOKRASDIfCjToooDMMWjigM4UUABWAEKRAogCM2wARIDNDgyGMh8IOKRASjek4sDMK-ViwM4VEAAWAEKIAjNsAESAzg0MhjikQEg0i0oo5qLAzCjm4sDOFRAAVgBEgoIARABGAEqAk1YGAEiBAgBEAEoBDAB) ![Breeze Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MX.gif) Fri, Apr 17 - Sun, Apr 19 SWF Newburgh ISP Islip $811 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SWF,to:ISP,departure:4/17/2026TANYT&leg2=from:ISP,to:SWF,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:810.30&airProductToken=AQpECiAIzbABEgM4NDMY0i0g4pEBKOvMigMwgc6KAzhMQABYAQogCM2wARIDMjU0GOKRASDIfCjTz4oDMMXQigM4TkABWAEKRAogCM2wARIDNDgyGMh8IOKRASje5ooDMK_oigM4U0AAWAEKIAjNsAESAzg0MhjikQEg0i0oo-2KAzCj7ooDOExAAVgBEgoIARABGAEqAk1YGAEiBAgBEAEoBDAB) ![Breeze Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MX.gif) Mon, Apr 13 - Sun, Apr 19 SWF Newburgh ISP Islip $821 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SWF,to:ISP,departure:4/13/2026TANYT&leg2=from:ISP,to:SWF,departure:4/19/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:820.30&airProductToken=AQpECiAIzbABEgM4NDMY0i0g4pEBKOufigMwgaGKAzhUQABYAQogCM2wARIDMjU0GOKRASDIfCjToooDMMWjigM4UUABWAEKRAogCM2wARIDNDgyGMh8IOKRASje5ooDMK_oigM4U0AAWAEKIAjNsAESAzg0MhjikQEg0i0oo-2KAzCj7ooDOExAAVgBEgoIARABGAEqAk1YGAEiBAgBEAEoBDAB) ![](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 Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur) cost? ### What is the cheapest month to fly from Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur)? ### Which airlines fly direct from Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur)? ### How do I find cheap flights from Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur)? ### What is the best time to fly from Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur)? ### What is the earliest flight from Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur)? ### Can you fly business or first class from Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur)? ### How do I earn miles on a Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur) flight with Expedia? ### Is it cheaper to buy a plane ticket from Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur) at the last minute? ### Is it cheaper to book a Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur) flight and hotel package? ### Can I cancel or change the date of my flight from Newburgh, NY (SWF-Stewart Intl.) to Islip, NY (ISP-MacArthur)? ## Travel information | Origin airport | Stewart Intl. | | ------------------- | ------------- | | Destination airport | MacArthur | | Roundtrip price | $770 | | Distance | 71 mi | ## Book with confidence # Newburgh to Islip Flights The cheapest times to fly from Newburgh 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 Newburgh to Islip are during the month of April. You can find some of the cheapest flights from Newburgh to Islip with Expedia's search tool and vast selection of airlines. The best time to book a flight from Newburgh to Islip Sunday is one of the best days to book for cheap flights from Newburgh 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 Newburgh 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 Newburgh 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 Newburgh 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 Newburgh 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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