Cheap flights from Islip to Washington, D.C. from $277

Travelers frequently search for route combinations, such as Islip and Fort Lauderdale, Orlando, Raleigh, West Palm Beach, Fort Myers, Tampa, Las Vegas, Nashville, Houston, Charleston, Fargo, Vijayawada, Málaga, Quito, Davao, Reno, Boise, Manchester, Rome, Arauca.

Travelers frequently search for route combinations, such as Washington, D.C. and Atlanta, Dallas, Orlando, Miami, Tampa, Los Angeles, London, San Salvador, Chicago, Mexico City, Denver, Houston, San Diego, Guadalajara, Fort Lauderdale, Cancún, Charlotte, Las Vegas, Phoenix, San Francisco.

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, Tweed New Haven, Lehigh Valley International, Westchester County, Albany International, Atlantic City International.

The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Lehigh Valley International, Atlantic City International, Trenton–Mercer, Harrisburg International, Hagerstown Regional, Lancaster, Altoona–Blair County.

Currently, you can fly between Islip and Washington, D.C. with BREEZE.

If you don’t have specific dates for your trip between Islip and Washington, D.C., 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 Islip and Washington, D.C., 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 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, Tweed New Haven, Lehigh Valley International, Westchester County, Albany International, Atlantic City International

There are a number of airports in and around Washington, D.C.. The main one is Washington Dulles International and other nearby airports include Philadelphia International, Norfolk International, Richmond International, Lehigh Valley International, Atlantic City International, Trenton–Mercer, Harrisburg International, Hagerstown Regional, Lancaster, Altoona–Blair County.