$434+ Cheap flights from District of Columbia to Kos (KGS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from District of Columbia to Kos with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from District of Columbia to Kos
Keep the following information in mind while searching for District of Columbia to Kos flight deals. Data was last updated April 30, 2025.
Round-trip from | $1,219 (SWISS) |
|---|---|
One-way from | $434 (Kiwi.com) |
Find flight deals from District of Columbia to Kos
Cheapest flights from District of Columbia to KosExplore the most affordable flight options available from District of Columbia to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
Explore the most affordable flight options available from District of Columbia to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
This FlightHub deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gurufare deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Lufthansa deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This British Airways deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from District of Columbia to Kos that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from District of Columbia to Kos that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Kos
IAD - KGS
IADKGS
Washington, D.C. Dulles Intl
Mon 8/18
8:45 pm-7:40 pm
1 stop15h 55m
Kos
Mon 8/25
11:00 am-4:15 pm
1 stop36h 15m
Washington, D.C.Kos
IAD - KGS
IADKGS
Washington, D.C. Dulles Intl
Tue 8/19
12:41 pm-12:40 pm
2 stops16h 59m
Kos
Mon 8/25
11:00 am-4:15 pm
1 stop36h 15m
Washington, D.C.Kos
IAD - KGS
IADKGS
Washington, D.C. Dulles Intl
Tue 8/19
5:16 pm-7:05 pm
2 stops18h 49m
Kos
Mon 8/25
12:40 pm-9:19 pm
2 stops39h 39m
Washington, D.C.Kos
DCA - KGS
DCAKGS
Washington, D.C. Reagan-National
Tue 8/19
2:59 pm-8:45 pm
2 stops22h 46m
Kos
Mon 8/25
10:00 pm-11:17 pm
2 stops32h 17m
Washington, D.C.Kos
DCA - KGS
DCAKGS
Washington, D.C. Reagan-National
Mon 8/18
7:17 pm-8:45 pm
2 stops42h 28m
Kos
Mon 8/25
10:00 pm-11:17 pm
2 stops32h 17m
Washington, D.C.Kos
IAD - KGS
IADKGS
Washington, D.C. Dulles Intl
Tue 7/15
10:20 pm-9:45 pm
2 stops16h 25m
Washington, D.C.Kos
IAD - KGS
IADKGS
Washington, D.C. Dulles Intl
Tue 7/15
10:20 pm-7:05 pm
1 stop13h 45m
Best time to book a flight from District of Columbia to Kos
Have a flexible travel schedule? Discover the best time to fly to Kos from District of Columbia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from District of Columbia to Kos
Rainfall in Kos by month
Plan your trip to Kos by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Kos ranges from 0.1 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. July is typically the driest time to visit Kos when rainfall is around 0.1 in.
Temperature in Kos by month
Plan your trip to Kos by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Kos, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 50.0 F).
Reviews of airlines servicing Kos
Get insights into the airlines that provide service to Kos. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kos. Reviews last updated April 30, 2025.
Entertainment
Boarding
Overall
Crew
Food
Comfort
Reviews
Yvette,Nov 2024
ZRH - ATH
Entertainment
Boarding
Overall
Crew
Food
Comfort
Reviews
Yvette,Nov 2024
ZRH - ATH
Entertainment
Boarding
Overall
Crew
Food
Comfort
Reviews
Yvette,Nov 2024
ZRH - ATH