฿17,825 Cheap Flights from Osaka (KIX) to Seattle (SEA)

View ฿17,825 flight on Tue, 9 Sep 2025Opens in a new window

Popular airlines from Kansai Intl. Airport (KIX) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Osaka (KIX) to Seattle (SEA)

Prices were available within the past 7 days and start at ฿17,825 for one-way flights and ฿25,360 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Sun, 14 Sep - Sun, 28 Sep
KIX
Osaka
SEA
Seattle
฿25,360 Return, found 1 day ago
฿25,360
Return
found 1 day ago
Select Philippine Airlines flight, departing Sun, 14 Sep from Osaka to Seattle, returning Sun, 28 Sep, priced at ฿25,360 found 1 day ago
STARLUX Airlines
Mon, 8 Sep - Fri, 12 Sep
KIX
Osaka
SEA
Seattle
฿27,475 Return, found 4 days ago
฿27,475
Return
found 4 days ago
Select STARLUX Airlines flight, departing Mon, 8 Sep from Osaka to Seattle, returning Fri, 12 Sep, priced at ฿27,475 found 4 days ago
Asiana Airlines
Sun, 14 Sep - Sun, 28 Sep
KIX
Osaka
SEA
Seattle
฿27,655 Return, found 1 day ago
฿27,655
Return
found 1 day ago
Select Asiana Airlines flight, departing Sun, 14 Sep from Osaka to Seattle, returning Sun, 28 Sep, priced at ฿27,655 found 1 day ago
STARLUX Airlines
Sun, 14 Sep - Sun, 28 Sep
KIX
Osaka
SEA
Seattle
฿27,695 Return, found 1 day ago
฿27,695
Return
found 1 day ago
Select STARLUX Airlines flight, departing Sun, 14 Sep from Osaka to Seattle, returning Sun, 28 Sep, priced at ฿27,695 found 1 day ago
China Airlines
Sun, 14 Sep - Sun, 28 Sep
KIX
Osaka
SEA
Seattle
฿29,100 Return, found 1 day ago
฿29,100
Return
found 1 day ago
Select China Airlines flight, departing Sun, 14 Sep from Osaka to Seattle, returning Sun, 28 Sep, priced at ฿29,100 found 1 day ago
EVA Airways
Mon, 8 Sep - Fri, 12 Sep
KIX
Osaka
SEA
Seattle
฿29,320 Return, found 4 days ago
฿29,320
Return
found 4 days ago
Select EVA Airways flight, departing Mon, 8 Sep from Osaka to Seattle, returning Fri, 12 Sep, priced at ฿29,320 found 4 days ago
Asiana Airlines
Mon, 8 Sep - Fri, 12 Sep
KIX
Osaka
SEA
Seattle
฿30,545 Return, found 4 days ago
฿30,545
Return
found 4 days ago
Select Asiana Airlines flight, departing Mon, 8 Sep from Osaka to Seattle, returning Fri, 12 Sep, priced at ฿30,545 found 4 days ago
JIN AIR
Mon, 8 Sep - Fri, 12 Sep
KIX
Osaka
SEA
Seattle
฿31,025 Return, found 4 days ago
฿31,025
Return
found 4 days ago
Select JIN AIR flight, departing Mon, 8 Sep from Osaka to Seattle, returning Fri, 12 Sep, priced at ฿31,025 found 4 days ago
Asiana Airlines
Sun, 14 Sep - Sun, 28 Sep
KIX
Osaka
SEA
Seattle
฿31,065 Return, found 1 day ago
฿31,065
Return
found 1 day ago
Select Asiana Airlines flight, departing Sun, 14 Sep from Osaka to Seattle, returning Sun, 28 Sep, priced at ฿31,065 found 1 day ago
EVA Airways
Sun, 14 Sep - Sun, 28 Sep
KIX
Osaka
SEA
Seattle
฿31,195 Return, found 1 day ago
฿31,195
Return
found 1 day ago
Select EVA Airways flight, departing Sun, 14 Sep from Osaka to Seattle, returning Sun, 28 Sep, priced at ฿31,195 found 1 day ago

Find the cheapest month to fly from Osaka (KIX) to Seattle (SEA)

April is typically the cheapest month to fly

From ฿21,954 - ฿33,145 per traveller.

Graph displaying average flight prices per month

Flight from Osaka to Seattle route information
Origin airport
Kansai Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, EVA Airways, Emirates, Japan Airlines, Korean Air, Philippine Airlines, United
Return price
฿25,360
Distance
8044 km

Perfect flights from Osaka to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Osaka to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Kansai Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿17,825 and roundtrip prices from ฿25,360. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.

Frequently asked questions

How much is a flight from KIX to SEA?
Start packing your suitcase, because round-trip flights between Kansai Intl. Airport and Seattle - Tacoma Intl. Airport (SEA) start from ฿25,360. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Kansai Intl. Airport to Sea-Tac Airport?
The majority of flights can be cancelled online, but every air carrier has its own terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Kansai Intl. Airport (KIX) to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Kansai Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from KIX to Sea-Tac Airport?
The distance is around 8,100 kilometres, so pack your carry-on luggage with all the items you need to make your journey comfortable. Not sure what to take on board your Tajiri to SeaTac flight? Earplugs, a sleep mask and a travel pillow are among the essentials.
Which airlines fly direct from Kansai Intl. Airport (KIX) to SEA?
If you want to travel straight from KIX to SEA, you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly between these airports.
Are KIX to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some super cheap airfares from KIX to SEA emerging a few weeks before the date of departure. If you'd rather book ahead, Expedia compares and updates the best flight deals frequently — as early as 12 months in advance in some cases. It does depend on the carrier though, as not every airline releases prices so far in advance.

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