S$730 Cheap Flights from Osaka to Seattle

View S$730 flight on Wed, 12 Nov, 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 to Seattle (KIX-SEA)

Prices were available within the past 7 days and start at S$730 for one-way flights and S$1,158 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

STARLUX Airlines
Thu, 16 Oct - Tue, 21 Oct
KIX
Osaka
SEA
Seattle
S$1,158 Return, found 22 hours ago
S$1,158
Return
found 22 hours ago
Select STARLUX Airlines flight, departing Thu, 16 Oct from Osaka to Seattle, returning Tue, 21 Oct, priced at S$1,158 found 22 hours ago
China Airlines
Thu, 16 Oct - Tue, 21 Oct
KIX
Osaka
SEA
Seattle
S$1,164 Return, found 22 hours ago
S$1,164
Return
found 22 hours ago
Select China Airlines flight, departing Thu, 16 Oct from Osaka to Seattle, returning Tue, 21 Oct, priced at S$1,164 found 22 hours ago
EVA Airways
Thu, 16 Oct - Tue, 21 Oct
KIX
Osaka
SEA
Seattle
S$1,198 Return, found 22 hours ago
S$1,198
Return
found 22 hours ago
Select EVA Airways flight, departing Thu, 16 Oct from Osaka to Seattle, returning Tue, 21 Oct, priced at S$1,198 found 22 hours ago
Korean Air
Thu, 16 Oct - Tue, 21 Oct
KIX
Osaka
SEA
Seattle
S$1,214 Return, found 22 hours ago
S$1,214
Return
found 22 hours ago
Select Korean Air flight, departing Thu, 16 Oct from Osaka to Seattle, returning Tue, 21 Oct, priced at S$1,214 found 22 hours ago
Asiana Airlines
Thu, 16 Oct - Tue, 21 Oct
KIX
Osaka
SEA
Seattle
S$1,246 Return, found 22 hours ago
S$1,246
Return
found 22 hours ago
Select Asiana Airlines flight, departing Thu, 16 Oct from Osaka to Seattle, returning Tue, 21 Oct, priced at S$1,246 found 22 hours ago
All Nippon Airways
Thu, 16 Oct - Tue, 21 Oct
KIX
Osaka
SEA
Seattle
S$1,405 Return, found 22 hours ago
S$1,405
Return
found 22 hours ago
Select All Nippon Airways flight, departing Thu, 16 Oct from Osaka to Seattle, returning Tue, 21 Oct, priced at S$1,405 found 22 hours ago
Air Canada
Thu, 16 Oct - Tue, 21 Oct
KIX
Osaka
SEA
Seattle
S$1,460 Return, found 22 hours ago
S$1,460
Return
found 22 hours ago
Select Air Canada flight, departing Thu, 16 Oct from Osaka to Seattle, returning Tue, 21 Oct, priced at S$1,460 found 22 hours ago
All Nippon Airways
Thu, 16 Oct - Tue, 21 Oct
KIX
Osaka
SEA
Seattle
S$1,477 Return, found 22 hours ago
S$1,477
Return
found 22 hours ago
Select All Nippon Airways flight, departing Thu, 16 Oct from Osaka to Seattle, returning Tue, 21 Oct, priced at S$1,477 found 22 hours ago
Hawaiian Airlines
Thu, 16 Oct - Tue, 21 Oct
KIX
Osaka
SEA
Seattle
S$1,536 Return, found 22 hours ago
S$1,536
Return
found 22 hours ago
Select Hawaiian Airlines flight, departing Thu, 16 Oct from Osaka to Seattle, returning Tue, 21 Oct, priced at S$1,536 found 22 hours ago
Hawaiian Airlines
Thu, 16 Oct - Tue, 21 Oct
KIX
Osaka
SEA
Seattle
S$1,550 Return, found 22 hours ago
S$1,550
Return
found 22 hours ago
Select Hawaiian Airlines flight, departing Thu, 16 Oct from Osaka to Seattle, returning Tue, 21 Oct, priced at S$1,550 found 22 hours ago

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

April is typically the cheapest month to fly

From S$857 - S$1,309 per traveller.

Graph displaying average flight prices per month

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, Delta, EVA Airways, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, United
Return price
S$1,158
Distance
8044 km

Flights from Osaka to Seattle

There are several airlines that operate frequent flights from Osaka (KIX) to Seattle (SEA) including

The earliest flight leaves Kansai Intl. Airport at 09:00 and arrives at Seattle Tacoma Intl. Airport at 09:35. The last flight of the day departs Osaka at 18:20 and arrives at Seattle at 18:15.

The flight distance from Osaka to Seattle is about 9743 km, the shortest flight is 12 hours 30 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Osaka Seattle flight!

Browse through dozens of options and rest 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 Osaka to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Osaka to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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 S$1,158. 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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