Cheap Flights from Kassel (KSF) to Seattle (SEA)

Popular airlines from Kassel (KSF-Calden) to Seattle-Tacoma International Airport (SEA)

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Frequently asked questions

How much does a flight from Calden Airport (KSF) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight or cheap return flight from Calden Airport (KSF) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Calden Airport (KSF) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from KSF to SEA is , when there's less demand. Off-peak months are generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Calden Airport (KSF) to Seattle - Tacoma Intl. Airport (SEA)?
To find the cheapest airline that'll fly you from KSF to SEA, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Calden Airport (KSF) to Seattle - Tacoma Intl. Airport (SEA)?
There aren't any daily nonstop flights from Calden Airport (KSF) to Seattle - Tacoma Intl. Airport (SEA). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from KSF to SEA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a range of factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Calden Airport (KSF) to Seattle - Tacoma Intl. Airport (SEA)?
To arrive at Seattle - Tacoma Intl. Airport (SEA) without delays, book a flight that takes off from Calden Airport (KSF) before 3 PM. The chance 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 Calden Airport (KSF) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from KSF to SEA are generally more expensive. To secure the best rates, start looking for flights well in advance. That said, if your travel plans are flexible, you may land a cheap fare right before you leave.
Is it cheaper to book a KSF to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a KSF to SEA flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply pick your flights and select from our wide range of stays, then tailor your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Calden Airport (KSF) to Seattle - Tacoma Intl. Airport (SEA)?
Generally, it's possible to cancel or reschedule your KSF to SEA flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to 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

Origin airport
Calden
Destination airport
Seattle - Tacoma Intl.
Distance
5031 mi

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Kassel to Seattle Flights

The cheapest times to fly from Kassel to Seattle

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

 

The best time to book a flight from Kassel to Seattle

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

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 Kassel to Seattle 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 Kassel to Seattle 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 Kassel to Seattle 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.

 

Kassel to Seattle Flights

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