Cheap flights from Portland to Islip from $242

Travelers frequently search for route combinations, such as Portland and Orlando, Tampa, Raleigh, Charleston, Norfolk, Indianapolis, Minneapolis, Mexico City, Montreal, Long Beach, Bujumbura, Malta, Lisbon, Bariloche, Khartoum, Auckland, Puerto Vallarta, Anchorage, Nadi, Tortola.

Travelers frequently search for route combinations, such as Islip and Raleigh, Sarasota, Norfolk, Columbus, Trenton, Providence, Fort Myers, Spokane, Appleton, Concord, Cincinnati, Seattle, Peoria, Philadelphia, Ontario, Asheville, Reno, Milwaukee, Idaho Falls, Roanoke.

The main airport in Portland is Portland International Jetport. It is also served by Logan International, Rhode Island T. F. Green Int'l Airport, Portland International Jetport, Manchester–Boston Regional, Bangor International, Portsmouth International Airport at Pease, Augusta State, Lebanon Municipal, Hancock County-Bar Harbor, Barnstable Municipal.

The main airport in Islip is Long Island MacArthur. It is also served by Newark Liberty International, Philadelphia International, LaGuardia, Bradley International, New York Stewart International Airport, Atlantic City International, Albany International, Long Island MacArthur, Westchester County, Trenton–Mercer.

Currently, you can fly between Portland and Islip with BREEZE, JetBlue Airways, Cape Air, United Airlines, Frontier Airlines.

If you don’t have specific dates for your trip between Portland and Islip, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.

Traveling between Portland and Islip, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.

There are a number of airports in and around Portland. The main one is Portland International Jetport and other nearby airports include Logan International, Rhode Island T. F. Green Int'l Airport, Portland International Jetport, Manchester–Boston Regional, Bangor International, Portsmouth International Airport at Pease, Augusta State, Lebanon Municipal, Hancock County-Bar Harbor, Barnstable Municipal

There are a number of airports in and around Islip. The main one is Long Island MacArthur and other nearby airports include Newark Liberty International, Philadelphia International, LaGuardia, Bradley International, New York Stewart International Airport, Atlantic City International, Albany International, Long Island MacArthur, Westchester County, Trenton–Mercer.