Looking for the price of a flight from Washington Dulles to Islip?

There’s no fixed price — fares between Washington and Islip can vary a lot by day or time.

Select your dates to check current offers.

It’s often useful to check whether nearby airports offer better fares. Flying during less crowded periods also increases your chances of finding good deals.

What are the airport options between Washington and Islip?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

• Airports in Washington: Washington has 3 airports - Dulles international, Ronald Reagan, Washington International.
• Airports in Islip: Islip has one airport operating, Islip - Long Island MacArthur.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Plan your perfect flight from Washington Dulles to Islip

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Other popular destinations

Planning a trip to United States? Other frequent searches include: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Some airlines include baggage in the fare, others don’t — always check the details before booking. If you're looking for round-trip flights, you can easily see the most convenient combinations.