Cheap Flights from Seattle (SEA) to Karlstad (KSD)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Karlstad (KSD)

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Karlstad Airport (KSD) cost?
Lock in a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Karlstad Airport (KSD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Karlstad Airport (KSD)?
Traveling in is a good way to save, as it's the cheapest month for flights between SEA and KSD. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Karlstad Airport (KSD)?
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 the carrier with the cheapest SEA to KSD flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Karlstad Airport (KSD)?
There are no daily direct flights available from Seattle - Tacoma Intl. Airport (SEA) to Karlstad Airport (KSD). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from SEA to KSD?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change 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 Seattle - Tacoma Intl. Airport (SEA) to Karlstad Airport (KSD)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Karlstad Airport (KSD) route, fly before 3 PM. Later flights have a 22% higher chance of being 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 Seattle - Tacoma Intl. Airport (SEA) to Karlstad Airport (KSD) last-minute?
Booking your flight from SEA to KSD right before your trip is typically more expensive. However, if there's some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SEA to KSD flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to KSD flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the stress out of planning your trip. Just secure your flights and select from our wide range of stays, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Karlstad Airport (KSD)?
Usually, it's possible to reschedule or cancel your SEA to KSD flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Karlstad
Distance
4638 mi

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Seattle to Karlstad Flights

The cheapest times to fly from Seattle to Karlstad

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

 

The best time to book a flight from Seattle to Karlstad

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

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 Seattle to Karlstad 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 Seattle to Karlstad 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 Seattle to Karlstad 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.

 

Seattle to Karlstad Flights

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*Available to One Key members.