$102 Cheap Flights from Columbus (CMH) to Islip (ISP)

You can find cheap one-way flights from $102 and cheap return flights from $246 Columbus, OH (CMH-John Glenn Columbus Intl.) to Islip, NY (ISP-MacArthur) with Expedia. One-way flights typically cost between $193 and $1307, and return flights often range between $295 and $2001. 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 Columbus, OH (CMH-John Glenn Columbus 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.

Southwest Airlines is one of the cheapest airlines offering connecting flights from Columbus (CMH) to Islip (ISP), with return tickets starting from around $220.29 with a layover in Baltimore Washington Intl. Thurgood Marshall (BWI). 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.

It's easy to earn miles on a Columbus, OH (CMH-John Glenn Columbus 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.