$590 Cheap Flights from Kitakyushu (KKJ) to Seattle (SEA)

View $590 flight on Thu, Jan 15, 2026Opens in a new window

Popular airlines from Kitakyushu Airport (KKJ) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Kitakyushu to Seattle (KKJ-SEA)

Prices were available within the past 7 days and start at $590 for one-way flights and $939 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Thu, Jan 15 - Sun, Jan 18
KKJ
Kitakyushu
SEA
Seattle
$939 Roundtrip, found 6 days ago
$939
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Kitakyushu to Seattle, returning Sun, Jan 18, priced at $939 found 6 days ago
Japan Airlines
Thu, Jan 15 - Sun, Jan 18
KKJ
Kitakyushu
SEA
Seattle
$959 Roundtrip, found 6 days ago
$959
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Kitakyushu to Seattle, returning Sun, Jan 18, priced at $959 found 6 days ago
Japan Airlines
Thu, Jan 15 - Sun, Jan 18
KKJ
Kitakyushu
SEA
Seattle
$976 Roundtrip, found 6 days ago
$976
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Kitakyushu to Seattle, returning Sun, Jan 18, priced at $976 found 6 days ago
Japan Airlines
Thu, Jan 15 - Sun, Jan 18
KKJ
Kitakyushu
SEA
Seattle
$1,001 Roundtrip, found 6 days ago
$1,001
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Kitakyushu to Seattle, returning Sun, Jan 18, priced at $1,001 found 6 days ago
Japan Airlines
Thu, Jan 15 - Thu, Mar 26
KKJ
Kitakyushu
SEA
Seattle
$1,127 Roundtrip, found 6 days ago
$1,127
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Kitakyushu to Seattle, returning Thu, Mar 26, priced at $1,127 found 6 days ago
Japan Airlines
Thu, Jan 15 - Sun, Jan 18
KKJ
Kitakyushu
SEA
Seattle
$1,140 Roundtrip, found 6 days ago
$1,140
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Kitakyushu to Seattle, returning Sun, Jan 18, priced at $1,140 found 6 days ago
Japan Airlines
Thu, Jan 15 - Thu, Mar 26
KKJ
Kitakyushu
SEA
Seattle
$1,147 Roundtrip, found 6 days ago
$1,147
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Kitakyushu to Seattle, returning Thu, Mar 26, priced at $1,147 found 6 days ago
Japan Airlines
Thu, Jan 15 - Thu, Mar 26
KKJ
Kitakyushu
SEA
Seattle
$1,164 Roundtrip, found 6 days ago
$1,164
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Kitakyushu to Seattle, returning Thu, Mar 26, priced at $1,164 found 6 days ago
Japan Airlines
Thu, Jan 15 - Thu, Mar 26
KKJ
Kitakyushu
SEA
Seattle
$1,189 Roundtrip, found 6 days ago
$1,189
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Thu, Jan 15 from Kitakyushu to Seattle, returning Thu, Mar 26, priced at $1,189 found 6 days ago
Hawaiian Airlines
Thu, Jan 15 - Thu, Mar 26
KKJ
Kitakyushu
SEA
Seattle
$1,299 Roundtrip, found 6 days ago
$1,299
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Thu, Jan 15 from Kitakyushu to Seattle, returning Thu, Mar 26, priced at $1,299 found 6 days ago

Frequently asked questions

How much does a flight from Kitakyushu Airport (KKJ) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight from $590 or cheap return flight from $939 from Kitakyushu Airport (KKJ) 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 Kitakyushu Airport (KKJ) to Seattle - Tacoma Intl. Airport (SEA)?
Flying in January can help you save, as it's the cheapest month for flights between KKJ and SEA. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Kitakyushu Airport (KKJ) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest KKJ to SEA flight.
How many flights per day from Kitakyushu Airport (KKJ) to Seattle - Tacoma Intl. Airport (SEA)?
You'll need to hop on a flight with a layover if you're traveling from Kitakyushu Airport (KKJ) to Seattle - Tacoma Intl. Airport (SEA). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from KKJ to SEA?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kitakyushu Airport (KKJ) to Seattle - Tacoma Intl. Airport (SEA)?
To reach Seattle - Tacoma Intl. Airport (SEA) on schedule, choose a flight that leaves from Kitakyushu Airport (KKJ) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Kitakyushu Airport (KKJ) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from KKJ to SEA are typically more expensive. To secure the best rates, start searching for flights as early as possible. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before your journey.
Is it cheaper to book a KKJ to SEA flight and hotel package?
You can save money by securing a KKJ to SEA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've chosen your preferred accommodations and flights, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Kitakyushu Airport (KKJ) to Seattle - Tacoma Intl. Airport (SEA)?
In most cases, you can cancel or modify your KKJ to SEA flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Kitakyushu
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
$938
Distance
5221 mi

Book with confidence

Kitakyushu to Seattle Flights

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

 

The best time to book a flight from Kitakyushu to Seattle

Sunday is one of the best days to book for cheap flights from Kitakyushu 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 Kitakyushu 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 Kitakyushu to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $590 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 Kitakyushu 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 Kitakyushu 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.

 

Kitakyushu to Seattle Flights

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*Available to One Key members.