$866 Cheap Flights from Washington (IAD) to Kastamonu (KFS)

View $866 flight on Wed, Nov 26, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Kastamonu (KFS)

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Cheap Flights from Washington to Kastamonu (IAD-KFS)

Prices were available within the past 7 days and start at $866 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Kastamonu Airport (KFS) cost?
Snag a cheap one-way flight from $866 or cheap return flight from Washington Dulles Intl. Airport (IAD) to Kastamonu Airport (KFS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Kastamonu Airport (KFS)?
The cheapest month to fly from IAD to KFS is , when demand is low. Off-peak season is often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Kastamonu Airport (KFS)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from IAD to KFS. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Kastamonu Airport (KFS)?
There are no daily nonstop flights available from Washington Dulles Intl. Airport (IAD) to Kastamonu Airport (KFS). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from IAD to KFS?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Kastamonu Airport (KFS)?
Opt for a flight from Washington Dulles Intl. Airport (IAD) to Kastamonu Airport (KFS) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Kastamonu Airport (KFS) last-minute?
Holding off until just before your trip to book a flight from IAD to KFS often results in higher prices. While you may find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of scoring a bargain.
Is it cheaper to book an IAD to KFS flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAD to KFS flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one easy place will take the hassle out of planning your trip. Just secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Kastamonu Airport (KFS)?
It's generally possible to cancel or reschedule your IAD to KFS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Kastamonu
Distance
5407 mi

Book with confidence

Book with confidence

Washington to Kastamonu Flights

The cheapest times to fly from Washington to Kastamonu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Kastamonu are during the month of . You can find some of the cheapest flights from Washington to Kastamonu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Kastamonu

Sunday is one of the best days to book for cheap flights from Washington to Kastamonu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Kastamonu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Kastamonu in 2025. You can also book with separate airlines for your outbound and return journeys, from $866 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Kastamonu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Kastamonu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Kastamonu Flights

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*Available to One Key members.