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

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

Pick a travel date to see today’s available fares.

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.

Are there multiple airports in Washington and Key West?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Washington: 3 airports are active in Washington - Dulles international, Ronald Reagan, Washington International.
• Airports in Key West: Key West - International is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Choose the right flight for your trip from Washington Dulles to Key West

Jetcost helps you tailor your flight search based on what matters to you — flight length, budget, airline, or agency. Whether you prefer round-trip or one-way, direct or with stopovers, you’ll see options from the best airlines and travel agencies.

Other popular destinations

Flying to United States? Many users also explore: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Looking for a specific airline? Select it directly in the filters to speed up your search. The search filters help you see only the options that match your needs.