$358 Cheap Flights from Seattle (SEA) to Kushiro (KUH)

View $358 flight on Thu, Jan 15, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Kushiro Airport (KUH)

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Cheap Flights from Seattle to Kushiro (SEA-KUH)

Prices were available within the past 7 days and start at $358 for one-way flights and $662 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Thu, Jan 15 - Sat, Jan 24
SEA
Seattle
KUH
Kushiro
$662 Roundtrip, found 19 hours ago
$662
Roundtrip
found 19 hours ago
Select All Nippon Airways flight, departing Thu, Jan 15 from Seattle to Kushiro, returning Sat, Jan 24, priced at $662 found 19 hours ago
All Nippon Airways
Thu, Jan 15 - Sun, Jan 25
SEA
Seattle
KUH
Kushiro
$667 Roundtrip, found 19 hours ago
$667
Roundtrip
found 19 hours ago
Select All Nippon Airways flight, departing Thu, Jan 15 from Seattle to Kushiro, returning Sun, Jan 25, priced at $667 found 19 hours ago
United
Tue, Jan 13 - Mon, Jan 26
SEA
Seattle
KUH
Kushiro
$668 Roundtrip, found 19 hours ago
$668
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Jan 13 from Seattle to Kushiro, returning Mon, Jan 26, priced at $668 found 19 hours ago
All Nippon Airways
Tue, Jan 13 - Sat, Jan 24
SEA
Seattle
KUH
Kushiro
$674 Roundtrip, found 19 hours ago
$674
Roundtrip
found 19 hours ago
Select All Nippon Airways flight, departing Tue, Jan 13 from Seattle to Kushiro, returning Sat, Jan 24, priced at $674 found 19 hours ago
All Nippon Airways
Thu, Jan 15 - Thu, Jan 22
SEA
Seattle
KUH
Kushiro
$674 Roundtrip, found 19 hours ago
$674
Roundtrip
found 19 hours ago
Select All Nippon Airways flight, departing Thu, Jan 15 from Seattle to Kushiro, returning Thu, Jan 22, priced at $674 found 19 hours ago
All Nippon Airways
Tue, Jan 13 - Sun, Jan 25
SEA
Seattle
KUH
Kushiro
$679 Roundtrip, found 19 hours ago
$679
Roundtrip
found 19 hours ago
Select All Nippon Airways flight, departing Tue, Jan 13 from Seattle to Kushiro, returning Sun, Jan 25, priced at $679 found 19 hours ago
All Nippon Airways
Tue, Jan 13 - Thu, Jan 22
SEA
Seattle
KUH
Kushiro
$685 Roundtrip, found 19 hours ago
$685
Roundtrip
found 19 hours ago
Select All Nippon Airways flight, departing Tue, Jan 13 from Seattle to Kushiro, returning Thu, Jan 22, priced at $685 found 19 hours ago
American Airlines
Sat, Jan 17 - Wed, Jan 28
SEA
Seattle
KUH
Kushiro
$709 Roundtrip, found 19 hours ago
$709
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Jan 17 from Seattle to Kushiro, returning Wed, Jan 28, priced at $709 found 19 hours ago
Alaska Airlines
Thu, Jan 15 - Sun, Jan 25
SEA
Seattle
KUH
Kushiro
$778 Roundtrip, found 19 hours ago
$778
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Thu, Jan 15 from Seattle to Kushiro, returning Sun, Jan 25, priced at $778 found 19 hours ago
Japan Airlines
Thu, Jan 15 - Sun, Jan 25
SEA
Seattle
KUH
Kushiro
$787 Roundtrip, found 19 hours ago
$787
Roundtrip
found 19 hours ago
Select Japan Airlines flight, departing Thu, Jan 15 from Seattle to Kushiro, returning Sun, Jan 25, priced at $787 found 19 hours ago

Alternative airports near Kushiro

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kushiro Airport KUH. Cheapest and Closest option available. Average driving time to city center is 28 minutes. Flights from $1,200
KUH
Kushiro Airport
CheapestClosest
Average driving time to city center28 min
Flights from $1,200

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Kushiro Airport (KUH) cost?
Lock in a cheap one-way flight from $358 or cheap return flight from $662 from Seattle - Tacoma Intl. Airport (SEA) to Kushiro Airport (KUH) 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 Kushiro Airport (KUH)?
Traveling in January can help you save, as it's the cheapest month for flights between SEA and KUH. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Kushiro Airport (KUH)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SEA to KUH flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Kushiro Airport (KUH)?
There aren't any daily direct flights from Seattle - Tacoma Intl. Airport (SEA) to Kushiro Airport (KUH). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SEA to KUH?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the airline, time of year 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 Kushiro Airport (KUH)?
To touch down at Kushiro Airport (KUH) on schedule, select a flight that takes off from Seattle - Tacoma Intl. Airport (SEA) 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 Seattle - Tacoma Intl. Airport (SEA) to Kushiro Airport (KUH) last-minute?
Last-minute fares from SEA to KUH are typically more expensive. To lock in the cheapest rates, start looking for flights as soon as possible. That said, if you can play around with your travel dates, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a SEA to KUH flight and hotel package?
You'll typically save money by securing a SEA to KUH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your ideal accommodations and flights, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Kushiro Airport (KUH)?
In most instances, you're able to reschedule or cancel your SEA to KUH flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Kushiro
Airlines serving
All Nippon Airways, Hawaiian Airlines, Japan Airlines
Roundtrip price
$662
Distance
4269 mi

Book with confidence

Seattle to Kushiro Flights

The cheapest times to fly from Seattle to Kushiro

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

 

The best time to book a flight from Seattle to Kushiro

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

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 Kushiro in 2025. You can also book with separate airlines for your outbound and return journeys, from $358 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 Kushiro 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 Kushiro 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 Kushiro Flights

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*Available to One Key members.