Cheap Flights from Washington (IAD) to Kassel (KSF)

Popular airlines from Washington Dulles Intl. Airport (IAD) to Kassel (KSF-Calden)

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Calden Airport (KSF) cost?
Secure a cheap one-way flight or cheap return flight from Washington Dulles Intl. Airport (IAD) to Calden Airport (KSF) 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 Calden Airport (KSF)?
The cheapest month to fly from IAD to KSF is , when there's less demand. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Calden Airport (KSF)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest IAD to KSF flight.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Calden Airport (KSF)?
Nonstop flights from Washington Dulles Intl. Airport (IAD) to Calden Airport (KSF) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAD to KSF?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Calden Airport (KSF)?
To land at Calden Airport (KSF) without delays, pick a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Calden Airport (KSF) last-minute?
Waiting until just before your trip to book a flight from IAD to KSF often results in higher prices. Although you may find some last-minute offers, they're not always guaranteed. Keep your travel schedule open for a better chance of landing a bargain.
Is it cheaper to book an IAD to KSF flight and hotel package?
Booking an IAD to KSF flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Calden Airport (KSF)?
In most instances, you can cancel or modify your IAD to KSF flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need further information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Calden
Distance
4061 mi

Book with confidence

Book with confidence

Washington to Kassel Flights

The cheapest times to fly from Washington to Kassel

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 Kassel are during the month of . You can find some of the cheapest flights from Washington to Kassel with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Kassel

Sunday is one of the best days to book for cheap flights from Washington to Kassel: 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 Kassel

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 Kassel in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Kassel 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 Kassel 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 Kassel Flights

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*Available to One Key members.