Cheap Flights from Seattle (SEA) to Osaka (KIX) from HK$2,777~

View HK$2,777 flight on Thu, 5 Feb 2026Opens in a new window

Popular airlines from Seattle to Osaka (KIX-Kansai Intl.)

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

Prices were available within the past 7 days and start at HK$2,777 for one-way flights and HK$6,096 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Thu, 7 May - Thu, 28 May
SEA
Seattle
KIX
Osaka
HK$6,096 Return, found 6 days ago
HK$6,096
Return
found 6 days ago
Select All Nippon Airways flight, departing Thu, 7 May from Seattle to Osaka, returning Thu, 28 May, priced at HK$6,096 found 6 days ago
Korean Air
Thu, 7 May - Thu, 28 May
SEA
Seattle
KIX
Osaka
HK$6,566 Return, found 6 days ago
HK$6,566
Return
found 6 days ago
Select Korean Air flight, departing Thu, 7 May from Seattle to Osaka, returning Thu, 28 May, priced at HK$6,566 found 6 days ago
United
Thu, 7 May - Thu, 28 May
SEA
Seattle
KIX
Osaka
HK$6,910 Return, found 6 days ago
HK$6,910
Return
found 6 days ago
Select United flight, departing Thu, 7 May from Seattle to Osaka, returning Thu, 28 May, priced at HK$6,910 found 6 days ago
EVA Airways
Thu, 7 May - Thu, 28 May
SEA
Seattle
KIX
Osaka
HK$7,229 Return, found 6 days ago
HK$7,229
Return
found 6 days ago
Select EVA Airways flight, departing Thu, 7 May from Seattle to Osaka, returning Thu, 28 May, priced at HK$7,229 found 6 days ago
STARLUX Airlines
Thu, 7 May - Thu, 28 May
SEA
Seattle
KIX
Osaka
HK$7,333 Return, found 6 days ago
HK$7,333
Return
found 6 days ago
Select STARLUX Airlines flight, departing Thu, 7 May from Seattle to Osaka, returning Thu, 28 May, priced at HK$7,333 found 6 days ago
Cathay Pacific
Thu, 7 May - Thu, 28 May
SEA
Seattle
KIX
Osaka
HK$7,684 Return, found 6 days ago
HK$7,684
Return
found 6 days ago
Select Cathay Pacific flight, departing Thu, 7 May from Seattle to Osaka, returning Thu, 28 May, priced at HK$7,684 found 6 days ago
Air Canada
Thu, 7 May - Thu, 28 May
SEA
Seattle
KIX
Osaka
HK$8,596 Return, found 6 days ago
HK$8,596
Return
found 6 days ago
Select Air Canada flight, departing Thu, 7 May from Seattle to Osaka, returning Thu, 28 May, priced at HK$8,596 found 6 days ago
Delta
Thu, 7 May - Thu, 28 May
SEA
Seattle
KIX
Osaka
HK$9,498 Return, found 6 days ago
HK$9,498
Return
found 6 days ago
Select Delta flight, departing Thu, 7 May from Seattle to Osaka, returning Thu, 28 May, priced at HK$9,498 found 6 days ago
Singapore Airlines
Thu, 7 May - Thu, 28 May
SEA
Seattle
KIX
Osaka
HK$9,974 Return, found 6 days ago
HK$9,974
Return
found 6 days ago
Select Singapore Airlines flight, departing Thu, 7 May from Seattle to Osaka, returning Thu, 28 May, priced at HK$9,974 found 6 days ago
American Airlines
Thu, 7 May - Thu, 28 May
SEA
Seattle
KIX
Osaka
HK$10,230 Return, found 6 days ago
HK$10,230
Return
found 6 days ago
Select American Airlines flight, departing Thu, 7 May from Seattle to Osaka, returning Thu, 28 May, priced at HK$10,230 found 6 days ago

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

January is typically the cheapest month to fly

From HK$3,059 - HK$11,790 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 HK$6,096. 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 canceled 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 kilometers 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.
Return price
HK$6,096
Distance
8044 km

Book with confidence

Flights from Seattle to Osaka

Book cheap flights from Seattle (SEA) to Osaka (KIX) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Seattle (SEA) to Osaka (KIX) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle (SEA) to Osaka (KIX) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Osaka flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Osaka and things to do in Osaka for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Osaka more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Osaka is HK$2,777 now!

 

Flights from Seattle to Osaka

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