฿11,295 Cheap Flights from Seattle (SEA) to Osaka (KIX)

View ฿11,295 flight on Sat, 31 Jan 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿11,295 for one-way flights and ฿21,145 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 5 Dec - Sun, 21 Dec
SEA
Seattle
KIX
Osaka
฿21,145 Return, found 6 days ago
฿21,145
Return
found 6 days ago
Select United flight, departing Fri, 5 Dec from Seattle to Osaka, returning Sun, 21 Dec, priced at ฿21,145 found 6 days ago
United
Sat, 17 Jan - Mon, 2 Feb
SEA
Seattle
KIX
Osaka
฿21,270 Return, found 2 days ago
฿21,270
Return
found 2 days ago
Select United flight, departing Sat, 17 Jan from Seattle to Osaka, returning Mon, 2 Feb, priced at ฿21,270 found 2 days ago
All Nippon Airways
Sat, 17 Jan - Mon, 2 Feb
SEA
Seattle
KIX
Osaka
฿21,695 Return, found 2 days ago
฿21,695
Return
found 2 days ago
Select All Nippon Airways flight, departing Sat, 17 Jan from Seattle to Osaka, returning Mon, 2 Feb, priced at ฿21,695 found 2 days ago
United
Thu, 22 Jan - Thu, 29 Jan
SEA
Seattle
KIX
Osaka
฿21,745 Return, found 1 day ago
฿21,745
Return
found 1 day ago
Select United flight, departing Thu, 22 Jan from Seattle to Osaka, returning Thu, 29 Jan, priced at ฿21,745 found 1 day ago
All Nippon Airways
Fri, 5 Dec - Sun, 21 Dec
SEA
Seattle
KIX
Osaka
฿21,790 Return, found 6 days ago
฿21,790
Return
found 6 days ago
Select All Nippon Airways flight, departing Fri, 5 Dec from Seattle to Osaka, returning Sun, 21 Dec, priced at ฿21,790 found 6 days ago
All Nippon Airways
Sat, 17 Jan - Mon, 2 Feb
SEA
Seattle
KIX
Osaka
฿21,800 Return, found 2 days ago
฿21,800
Return
found 2 days ago
Select All Nippon Airways flight, departing Sat, 17 Jan from Seattle to Osaka, returning Mon, 2 Feb, priced at ฿21,800 found 2 days ago
Korean Air
Thu, 5 Feb - Mon, 11 May
SEA
Seattle
KIX
Osaka
฿21,805 Return, found 12 hours ago
฿21,805
Return
found 12 hours ago
Select Korean Air flight, departing Thu, 5 Feb from Seattle to Osaka, returning Mon, 11 May, priced at ฿21,805 found 12 hours ago
Asiana Airlines
Mon, 9 Feb - Fri, 13 Feb
SEA
Seattle
KIX
Osaka
฿23,290 Return, found 14 hours ago
฿23,290
Return
found 14 hours ago
Select Asiana Airlines flight, departing Mon, 9 Feb from Seattle to Osaka, returning Fri, 13 Feb, priced at ฿23,290 found 14 hours ago
Japan Airlines
Thu, 22 Jan - Thu, 29 Jan
SEA
Seattle
KIX
Osaka
฿23,635 Return, found 1 day ago
฿23,635
Return
found 1 day ago
Select Japan Airlines flight, departing Thu, 22 Jan from Seattle to Osaka, returning Thu, 29 Jan, priced at ฿23,635 found 1 day ago
Air Canada
Sat, 28 Feb - Mon, 11 May
SEA
Seattle
KIX
Osaka
฿25,535 Return, found 13 hours ago
฿25,535
Return
found 13 hours ago
Select Air Canada flight, departing Sat, 28 Feb from Seattle to Osaka, returning Mon, 11 May, priced at ฿25,535 found 13 hours ago

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

February is typically the cheapest month to fly

From ฿18,815 - ฿35,412 per traveller.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Kansai Intl. Airport (KIX)?
Start packing your bags, because round-trip flights between Seattle - Tacoma Intl. Airport (SEA) and Kansai Intl. Airport (KIX) start from ฿21,145. 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 secure 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 SEA to Kansai Intl. Airport?
The majority of flights can be cancelled online, but each air carrier has its own set of terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Sea-Tac Airport to Kansai Intl. Airport 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 Sea-Tac Airport to Kansai Intl. Airport (KIX) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Kansai Intl. Airport (KIX)?
With a flight distance of 8,100 kilometres between SeaTac and Tajiri, this is a long-haul trip. Be sure to drink plenty of water and move your legs from time to time.
Which airlines fly direct from Sea-Tac Airport to Kansai Intl. Airport?
Flying nonstop between Seattle - Tacoma Intl. Airport (SEA) and Kansai Intl. Airport isn't possible at the moment. However, you'll still be able to book a flight to Tajiri with at least one stop.
Are Sea-Tac Airport to Kansai Intl. Airport (KIX) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from SEA to KIX last minute could be your ticket to a cheap deal. However, it could end up costing a great deal more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Kansai Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Lufthansa, Philippine Airlines, Turkish Airlines, United
Return price
฿21,145
Distance
8044 km

Book with confidence

Perfect flights from Seattle to Osaka

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Seattle to Osaka. 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 Seattle - Tacoma Intl. to Kansai Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿11,295 and roundtrip prices from ฿21,145. 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 Kansai 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 Osaka.
Perfect flights from Seattle to Osaka

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