Cheap flights from Washington Dulles to Islip

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Find out what a flight from Washington Dulles to Islip might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Washington and Islip.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Which airports serve Washington and Islip?

When planning a trip of about 424 km, it's a good idea to check flights from surrounding airports too.

  • Airports in Washington: Washington is connected to 3 airports - Dulles international, Ronald Reagan, Washington International.
  • Airports in Islip: The only active airport in Islip is Islip - Long Island MacArthur.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Plan smarter: flights from Washington Dulles to Islip

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to United States also checked out: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.
Frequently Asked Questions

Frequently asked questions about flights from Washington Dulles to Islip.

How much does an airline ticket from Washington Dulles to Islip cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Washington Dulles to Islip.

How far is Washington from Islip?

Washington is about 424 km from Islip.

What are the airports in Islip?

Islip has one airport: Islip - Long Island MacArthur.

What are the airports in Washington?

Washington has 3 airports: Dulles international, Ronald Reagan, Washington International.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Washington to Islip?

This information is not available at the moment.

What is the cheapest month to fly from Washington to Islip?

This information is not available at the moment.

What is the most expensive month to fly from Washington to Islip?

This information is not available at the moment.

What is the best day of the week to fly from Washington to Islip?

This information is not available at the moment.