How much should you expect to spend for a flight from Key West to Washington Dulles?

Flight prices from Key West to Washington change depending on demand and time of booking.

$100 is the lowest fare found in the past 15 days.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Which airports near Key West or Washington offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Key West: Only Key West - International is currently operating.
• Airports in Washington: 3 options available in Washington - Dulles international, Ronald Reagan, Washington International.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Match your flight search to your preferences: Key West – Washington Dulles

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from Expedia, Delta, United, American, and more.

Other popular destinations

Thinking about traveling to United States? Other users also viewed: Atlanta, Los Angeles, Miami, New York City, Orlando.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.