Planning a flight from Washington Dulles to Kos?

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

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Flying between Washington and Kos? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Washington: Washington has 3 airports - Dulles international, Ronald Reagan, Washington International.
• Airports in Kos: The only active option is Kos.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Washington airports in a single search.

Choose the right flight for your trip from Washington Dulles to Kos

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 Greece? Many users also explore: Athens, Crete, Kerkyra, Thessaloniki, Thira.

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.