Cheap Flights from Seattle (SEA) to Osaka (KIX) from HK$2,691~

View HK$2,691 flight on Tue, 18 Nov 2025Opens in a new window

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

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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$2,691 for one-way flights and HK$5,015 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
HK$5,015 Return, found 5 days ago
HK$5,015
Return
found 5 days ago
Select United flight, departing Fri, 5 Dec from Seattle to Osaka, returning Sun, 21 Dec, priced at HK$5,015 found 5 days ago
All Nippon Airways
Fri, 5 Dec - Sun, 21 Dec
SEA
Seattle
KIX
Osaka
HK$5,113 Return, found 5 days ago
HK$5,113
Return
found 5 days ago
Select All Nippon Airways flight, departing Fri, 5 Dec from Seattle to Osaka, returning Sun, 21 Dec, priced at HK$5,113 found 5 days ago
United
Sat, 17 Jan - Thu, 29 Jan
SEA
Seattle
KIX
Osaka
HK$5,133 Return, found 1 day ago
HK$5,133
Return
found 1 day ago
Select United flight, departing Sat, 17 Jan from Seattle to Osaka, returning Thu, 29 Jan, priced at HK$5,133 found 1 day ago
All Nippon Airways
Fri, 5 Dec - Sun, 21 Dec
SEA
Seattle
KIX
Osaka
HK$5,141 Return, found 5 days ago
HK$5,141
Return
found 5 days ago
Select All Nippon Airways flight, departing Fri, 5 Dec from Seattle to Osaka, returning Sun, 21 Dec, priced at HK$5,141 found 5 days ago
All Nippon Airways
Fri, 5 Dec - Sun, 21 Dec
SEA
Seattle
KIX
Osaka
HK$5,165 Return, found 5 days ago
HK$5,165
Return
found 5 days ago
Select All Nippon Airways flight, departing Fri, 5 Dec from Seattle to Osaka, returning Sun, 21 Dec, priced at HK$5,165 found 5 days ago
All Nippon Airways
Fri, 5 Dec - Sun, 21 Dec
SEA
Seattle
KIX
Osaka
HK$5,193 Return, found 5 days ago
HK$5,193
Return
found 5 days ago
Select All Nippon Airways flight, departing Fri, 5 Dec from Seattle to Osaka, returning Sun, 21 Dec, priced at HK$5,193 found 5 days ago
Korean Air
Sat, 17 Jan - Thu, 29 Jan
SEA
Seattle
KIX
Osaka
HK$5,220 Return, found 1 day ago
HK$5,220
Return
found 1 day ago
Select Korean Air flight, departing Sat, 17 Jan from Seattle to Osaka, returning Thu, 29 Jan, priced at HK$5,220 found 1 day ago
Asiana Airlines
Mon, 9 Feb - Mon, 16 Feb
SEA
Seattle
KIX
Osaka
HK$5,500 Return, found 1 day ago
HK$5,500
Return
found 1 day ago
Select Asiana Airlines flight, departing Mon, 9 Feb from Seattle to Osaka, returning Mon, 16 Feb, priced at HK$5,500 found 1 day ago
Japan Airlines
Mon, 9 Feb - Mon, 16 Feb
SEA
Seattle
KIX
Osaka
HK$5,598 Return, found 1 day ago
HK$5,598
Return
found 1 day ago
Select Japan Airlines flight, departing Mon, 9 Feb from Seattle to Osaka, returning Mon, 16 Feb, priced at HK$5,598 found 1 day ago
American Airlines
Mon, 9 Feb - Mon, 16 Feb
SEA
Seattle
KIX
Osaka
HK$6,778 Return, found 1 day ago
HK$6,778
Return
found 1 day ago
Select American Airlines flight, departing Mon, 9 Feb from Seattle to Osaka, returning Mon, 16 Feb, priced at HK$6,778 found 1 day ago

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

February is typically the cheapest month to fly

From HK$4,511 - HK$8,490 per traveller.
Seattle to Osaka route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Kansai Intl.
Airlines serving
All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Singapore Airlines, United
Return price
HK$5,015
Distance
8044 km

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$2,691 now!

 

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$5,015. 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.

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