Title: Columbia to Islip cheap flights from $518 (CAE 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) # $518 Cheap Flights from Columbia (CAE) to Islip (ISP) [View $518 flight on Mon, Jul 20, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:CAE,to:ISP,departure:7/20/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:517.21&airProductToken=AQqOAQovCMGCARIENTEwNxiCICBDKJ_tkgMwg-6SAzhHQABYAWoETUFJTnIIR1ZBSFpOTjEKMAjBggESBDE1NTcYQyDBkwEo1O-SAzC78JIDOEdAAVgBagRNQUlOcghHVkFIWk5OMQopCLmWARIDMjE3GMGTASDIfCib8ZIDMPHxkgM4QkABWAFqAkVScgNCSVASDAgBEAEYASoCQUEyABgBIgQIARABKAIoAygEMAE) ## Popular airlines from Columbia Metropolitan Airport (CAE) 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:CAE,to:ISP,departure:4/16/2026TANYT&leg2=from:ISP,to:CAE,departure:4/23/2026TANYT&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:CAE,to:ISP,departure:4/16/2026TANYT&leg2=from:ISP,to:CAE,departure:4/23/2026TANYT&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:CAE,to:ISP,departure:4/16/2026TANYT&leg2=from:ISP,to:CAE,departure:4/23/2026TANYT&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:CAE,to:ISP,departure:4/16/2026TANYT&leg2=from:ISP,to:CAE,departure:4/23/2026TANYT&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:CAE,to:ISP,departure:4/16/2026TANYT&leg2=from:ISP,to:CAE,departure:4/23/2026TANYT&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:CAE,to:ISP,departure:4/16/2026TANYT&leg2=from:ISP,to:CAE,departure:4/23/2026TANYT&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:CAE,to:ISP,departure:4/16/2026TANYT&leg2=from:ISP,to:CAE,departure:4/23/2026TANYT&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 Columbia to Islip (CAE-ISP) Prices were available within the past 7 days and start at $518 for one-way flights and $889 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Apr 29 - Mon, May 4 CAE Columbia ISP Islip $889 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CAE,to:ISP,departure:4/29/2026TANYT&leg2=from:ISP,to:CAE,departure:5/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:888.41&airProductToken=AQqSAQoxCMGCARIENjA2MRiCICDimgEovNCLAzCE0YsDOFFAAFgBagRNQUlOcghRV0ZXVU5NNQoyCMGCARIEMTg5MhjimgEgwZMBKODRiwMw6dKLAzhRQAFYAWoETUFJTnIIUVdGV1VOTTUKKQi5lgESAzIxMxjBkwEgyHwo-tSLAzDa1YsDOEJAAVgBagJFUnIDQklQCpABCikIuZYBEgMyMTAYyHwgwZMBKO2JjAMwy4qMAzhTQABYAWoCRVJyA1NJUAoxCMGCARIENDU2NxjBkwEgywEoqI2MAzD-jYwDOFFAAVgBagRNQUlOcghRV0ZXWk5NMwowCMGCARIENDc0ORjLASCCICjnjowDMPWPjAM4UUABWAFqBE1BSU5yCFFXRldaTk0zEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Apr 29 - Mon, May 4 CAE Columbia ISP Islip $919 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CAE,to:ISP,departure:4/29/2026TANYT&leg2=from:ISP,to:CAE,departure:5/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:918.41&airProductToken=AQqQAQowCMGCARIENTg4MhiCICDvWSj90IsDMPDRiwM4UUAAWAFqBE1BSU5yCFFXRldVTk01CjEIwYIBEgQyOTI4GO9ZIMGTASie0osDMP3SiwM4UUABWAFqBE1BSU5yCFFXRldVTk01CikIuZYBEgMyMTMYwZMBIMh8KPrUiwMw2tWLAzhCQAFYAWoCRVJyA0JJUAqQAQopCLmWARIDMjE0GMh8IMGTASiejIwDMPyMjAM4S0AAWAFqAkVScgNLSVAKMQjBggESBDExNDcYwZMBIO9ZKKiPjAMwiJCMAzhRQAFYAWoETUFJTnIIUVdGV1pOTTMKMAjBggESBDU4OTgY71kggiAozpCMAzDLkYwDOFFAAVgBagRNQUlOcghRV0ZXWk5NMxIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Apr 29 - Mon, May 4 CAE Columbia ISP Islip $943 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CAE,to:ISP,departure:4/29/2026TANYT&leg2=from:ISP,to:CAE,departure:5/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:942.41&airProductToken=AQqaAQo1CMSYARIENTEzMRiCICDLASi30YsDMKvSiwM4VkAAWAFqCU1BSU5DTEFTQ3IIVkZXTkgzTUwKNgjEmAESBDU3MjgYywEgwZMBKOjSiwMwvdOLAzhWQAFYAWoJTUFJTkNMQVNDcghWRldOSDNNTAopCLmWARIDMjEzGMGTASDIfCj61IsDMNrViwM4QkABWAFqAkVScgNCSVAKmgEKKQi5lgESAzIxMBjIfCDBkwEo7YmMAzDLiowDOFNAAFgBagJFUnIDU0lQCjYIxJgBEgQ1NzMwGMGTASDLASj4jIwDMNKNjAM4VEABWAFqCU1BSU5DTEFTQ3IIVEZXT0EwTUwKNQjEmAESBDUwNTcYywEggiAowo-MAzDLkIwDOFRAAVgBaglNQUlOQ0xBU0NyCFRGV09BME1MEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, May 30 - Mon, Jun 1 CAE Columbia ISP Islip $948 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CAE,to:ISP,departure:5/30/2026TANYT&leg2=from:ISP,to:CAE,departure:6/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:947.40&airProductToken=AQqQAQowCMGCARIENDY3MBiCICDLASiUro4DMIyvjgM4TkAAWAFqBE1BSU5yCE4wRldVTk0zCjEIwYIBEgQ0MzY3GMsBIMGTASiTsI4DMOWwjgM4TkABWAFqBE1BSU5yCE4wRldVTk0zCikIuZYBEgMyMTMYwZMBIMh8KNqxjgMwurKOAzhCQAFYAWoCRVJyA0JJUAqQAQopCLmWARIDMjEyGMh8IMGTASiHxo4DMNzGjgM4U0AAWAFqAkVScgNTSVAKMQjBggESBDQ2MzIYwZMBIMsBKOfJjgMwvsqOAzhRQAFYAWoETUFJTnIIUVdGV1pOTTMKMAjBggESBDQ2NjcYywEggiAonMuOAzCezI4DOFFAAVgBagRNQUlOcghRV0ZXWk5NMxIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Apr 29 - Mon, May 4 CAE Columbia ISP Islip $959 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CAE,to:ISP,departure:4/29/2026TANYT&leg2=from:ISP,to:CAE,departure:5/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:958.41&airProductToken=AQqQAQowCMGCARIENTg4MhiCICDvWSj90IsDMPDRiwM4UUAAWAFqBE1BSU5yCFFXRldVTk01CjEIwYIBEgQyOTI4GO9ZIMGTASie0osDMP3SiwM4UUABWAFqBE1BSU5yCFFXRldVTk01CikIuZYBEgMyMTMYwZMBIMh8KPrUiwMw2tWLAzhCQAFYAWoCRVJyA0JJUAqQAQopCLmWARIDMjEwGMh8IMGTASjtiYwDMMuKjAM4U0AAWAFqAkVScgNTSVAKMQjBggESBDI5MjgYwZMBIO9ZKM-LjAMwrIyMAzhOQAFYAWoETUFJTnIITjBGV1pOTTEKMAjBggESBDYwNDkY71kggiAo6I2MAzDjjowDOE5AAVgBagRNQUlOcghOMEZXWk5NMRIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Apr 29 - Mon, May 4 CAE Columbia ISP Islip $963 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CAE,to:ISP,departure:4/29/2026TANYT&leg2=from:ISP,to:CAE,departure:5/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:962.41&airProductToken=AQqaAQo1CMSYARIENTEzMRiCICDLASi30YsDMKvSiwM4VEAAWAFqCU1BSU5DTEFTQ3IIVEZWT0EwTUwKNgjEmAESBDU3NDUYywEgwZMBKKTTiwMw9tOLAzhUQAFYAWoJTUFJTkNMQVNDcghURlZPQTBNTAopCLmWARIDMjEzGMGTASDIfCj61IsDMNrViwM4QkABWAFqAkVScgNCSVAKmgEKKQi5lgESAzIxMBjIfCDBkwEo7YmMAzDLiowDOFNAAFgBagJFUnIDU0lQCjYIxJgBEgQ1NzM2GMGTASDLASi0jYwDMIeOjAM4VkABWAFqCU1BSU5DTEFTQ3IIVkZXTkEwTUwKNQjEmAESBDUwNTcYywEggiAowo-MAzDLkIwDOFZAAVgBaglNQUlOQ0xBU0NyCFZGV05BME1MEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Wed, Apr 29 - Mon, May 4 CAE Columbia ISP Islip $973 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CAE,to:ISP,departure:4/29/2026TANYT&leg2=from:ISP,to:CAE,departure:5/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:972.42&airProductToken=AQqaAQo1CMSYARIENTEzMRiCICDLASi30YsDMKvSiwM4VkAAWAFqCU1BSU5DTEFTQ3IIVkZXTkgzTUwKNgjEmAESBDU3NjEYywEgwZMBKODTiwMwtNSLAzhWQAFYAWoJTUFJTkNMQVNDcghWRldOSDNNTAopCLmWARIDMjEzGMGTASDIfCj61IsDMNrViwM4QkABWAFqAkVScgNCSVAKmgEKKQi5lgESAzIxNBjIfCDBkwEonoyMAzD8jIwDOEtAAFgBagJFUnIDS0lQCjYIxJgBEgQ1NzIxGMGTASDLASisjowDMIaPjAM4VEABWAFqCU1BSU5DTEFTQ3IIVEZXT0EwTUwKNQjEmAESBDUwNTcYywEggiAowo-MAzDLkIwDOFRAAVgBaglNQUlOQ0xBU0NyCFRGV09BME1MEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, May 30 - Mon, Jun 1 CAE Columbia ISP Islip $978 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CAE,to:ISP,departure:5/30/2026TANYT&leg2=from:ISP,to:CAE,departure:6/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:977.41&airProductToken=AQqQAQowCMGCARIENDY3MBiCICDLASiUro4DMIyvjgM4TkAAWAFqBE1BSU5yCE4wRldVTk0zCjEIwYIBEgQ0MzY3GMsBIMGTASiTsI4DMOWwjgM4TkABWAFqBE1BSU5yCE4wRldVTk0zCikIuZYBEgMyMTMYwZMBIMh8KNqxjgMwurKOAzhCQAFYAWoCRVJyA0JJUAqQAQopCLmWARIDMjEyGMh8IMGTASiHxo4DMNzGjgM4S0AAWAFqAkVScgNLSVAKMQjBggESBDQ2MzIYwZMBIMsBKOfJjgMwvsqOAzhRQAFYAWoETUFJTnIIUVdGV1pOTTMKMAjBggESBDQ2NjcYywEggiAonMuOAzCezI4DOFFAAVgBagRNQUlOcghRV0ZXWk5NMxIMCAEQARgBKgJBQTIAGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, May 30 - Mon, Jun 1 CAE Columbia ISP Islip $993 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CAE,to:ISP,departure:5/30/2026TANYT&leg2=from:ISP,to:CAE,departure:6/1/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:992.40&airProductToken=AQqSAQoxCMGCARIENTg1NRiCICDimgEonK2OAzDkrY4DOEdAAFgBagRNQUlOcghHMEZXVU5NMQoyCMGCARIEMTUzMxjimgEgwZMBKIevjgMwj7COAzhHQAFYAWoETUFJTnIIRzBGV1VOTTEKKQi5lgESAzIxMxjBkwEgyHwo2rGOAzC6so4DOEJAAVgBagJFUnIDQklQCpABCikIuZYBEgMyMTIYyHwgwZMBKIfGjgMw3MaOAzhTQABYAWoCRVJyA1NJUAoxCMGCARIENDYzMhjBkwEgywEo58mOAzC-yo4DOFFAAVgBagRNQUlOcghRV0ZXWk5NMwowCMGCARIENDY2NxjLASCCICicy44DMJ7MjgM4UUABWAFqBE1BSU5yCFFXRldaTk0zEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwAQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Apr 29 - Mon, May 4 CAE Columbia ISP Islip $999 Roundtrip found 2 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:CAE,to:ISP,departure:4/29/2026TANYT&leg2=from:ISP,to:CAE,departure:5/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:998.41&airProductToken=AQqSAQoxCMGCARIENjA2MRiCICDimgEovNCLAzCE0YsDOFFAAFgBagRNQUlOcghRV0ZXVU5NNQoyCMGCARIEMTg5MhjimgEgwZMBKODRiwMw6dKLAzhRQAFYAWoETUFJTnIIUVdGV1VOTTUKKQi5lgESAzIxMxjBkwEgyHwo-tSLAzDa1YsDOEJAAVgBagJFUnIDQklQCo4BCikIuZYBEgMyMTIYyHwgwZMBKIeLjAMw3IuMAzhTQABYAWoCRVJyA1NJUAowCMGCARIENDM4MxjBkwEgQyjSjIwDMMaNjAM4VkABWAFqBE1BSU5yCFYwRldaTk4xCi8IwYIBEgQ1MTM5GEMggiAoxI6MAzCpj4wDOFZAAVgBagRNQUlOcghWMEZXWk5OMRIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAE) ## Frequently asked questions ### How much does a flight from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur) cost? ### What is the cheapest month to fly from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur)? ### Which airlines fly direct from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur)? ### What is the cheapest airline that flies from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur)? ### How do I find cheap flights from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur)? ### What is the best time to fly from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur)? ### What is the earliest flight from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur)? ### How long does it take to fly from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur)? ### Can you fly business or first class from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur)? ### How do I earn miles on a Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur) flight with Expedia? ### Is it cheaper to buy a plane ticket from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur) at the last minute? ### Is it cheaper to book a Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur) flight and hotel package? ### Can I cancel or change the date of my flight from Columbia, SC (CAE-Columbia Metropolitan) to Islip, NY (ISP-MacArthur)? ## Travel information | Origin airport | Columbia Metropolitan | | ------------------- | --------------------- | | Destination airport | MacArthur | | Roundtrip price | $888 | | Distance | 645 mi | ## Book with confidence # Columbia to Islip Flights The cheapest times to fly from Columbia 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 Columbia to Islip are during the month of April. You can find some of the cheapest flights from Columbia to Islip with Expedia's search tool and vast selection of airlines. The best time to book a flight from Columbia to Islip Sunday is one of the best days to book for cheap flights from Columbia 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 Columbia 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 Columbia to Islip in 2026\. You can also book with separate airlines for your outbound and return journeys, from $518 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 Columbia 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 Columbia 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. \*Flight schedules are subject to change. \*Available to One Key members. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rentals - [New York Hotels ](https://www.expedia.com/New-York-Hotels.d178293.Travel-Guide-Hotels) - [Long Island Hotels ](https://www.expedia.com/Long-Island-Hotels.d602887.Travel-Guide-Hotels) - [Hotels near Bohemia Historical Society Museum ](https://www.expedia.com/Bohemia-Historical-Society-Museum-Hotels.0-l553248621554204748-0.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Long Island ](https://www.expedia.com/Long-Island-Hotels-Cheap-Hotels.0-0-d602887-tCheapHotels.Travel-Guide-Filter-Hotels) - [Hotels near Ronkonkoma Station ](https://www.expedia.com/Ronkonkoma-Station-Hotels.d6186166.Travel-Guide-Hotels) - [Motels in Ronkonkoma Station ](https://www.expedia.com/Ronkonkoma-Station-Motels.d6186166-aaMotels.Travel-Guide-Accommodation) - [Oceanfront Hotels in Long Island ](https://www.expedia.com/Long-Island-Hotels-Oceanfront-Hotels.0-0-d602887-tOceanfrontHotels.Travel-Guide-Filter-Hotels) - 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