Cheap Flights from Washington (IAD) to Kos (KGS)

Popular airlines from Washington Dulles International Airport (IAD) to Kos (KGS-Kos Island Intl.)

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Frequently asked questions

How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.)?
There are approximately 15 connecting flights per day from Washington Dulles Intl. (IAD) to Kos Island Intl. (KGS). Some common connection points include Pearson Intl. (YYZ), Franz Josef Strauss Intl. (MUC), and Pierre Elliott Trudeau Intl. (YUL).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.)?
The earliest flight from Washington Dulles Intl. (IAD) to Kos Island Intl. (KGS) typically departs at approximately 5:00 AM local time. This service is operated by American Airlines and Aegean Airlines. This is a seasonal service active in July. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.)?
You'll find the most flights from Washington Dulles Intl. (IAD) to Kos Island Intl. (KGS) on a Friday, with around 38 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Delta Air Lines.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.)?
The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.) are in the late evening, from 9pm to midnight. About 41% of passengers prefer this time window. Many major carriers, including Lufthansa, United Airlines and Austrian Airlines, offer flights during this window. These times work well because you can maximize your time in Washington, DC before your evening flight, and you'll arrive in Kos in the morning ready to explore.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.)?
A flight from IAD to KGS with a layover takes around 20 hours, with the route covering approximately 5,339 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.)?
Select the "Business class" and "First class" filters when looking for IAD to KGS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kos from Washington Dulles Intl. (IAD)?
From Washington Dulles Intl. (IAD), you can fly directly into Kos Island Intl. (KGS) to reach Kos. Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), John F. Kennedy Intl. (JFK), Dallas-Fort Worth Intl. (DFW) before reaching Kos. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Kos (KGS-Kos Island Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Kos Island Intl.
Distance
8542 km

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Chantilly to Kos Flights

The easy way to book your flights from Washington to Kos 

With Expedia, it’s simple to find and book flights to Kos from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Kos Island Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Kos today, tomorrow, or this week.  

 

Save dollars with cheap flights from Washington Dulles Intl., IAD to Kos Island Intl., KGS 

Sort your search results by price to find great deals on your flight from Washington to Kos—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Kos from Washington currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Kos  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Kos from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Kos with Expedia today.

Chantilly to Kos Flights

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