S$674 Cheap Flights from Osaka to Seattle

View S$674 flight on Fri, 17 Oct, 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$674 for one-way flights and S$1,115 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Fri, 17 Oct - Fri, 24 Oct
KIX
Osaka
SEA
Seattle
S$1,115 Return, just found
S$1,115
Return
just found
Select Philippine Airlines flight, departing Fri, 17 Oct from Osaka to Seattle, returning Fri, 24 Oct, priced at S$1,115 just found
China Airlines
Thu, 4 Dec - Tue, 9 Dec
KIX
Osaka
SEA
Seattle
S$1,119 Return, found 4 days ago
S$1,119
Return
found 4 days ago
Select China Airlines flight, departing Thu, 4 Dec from Osaka to Seattle, returning Tue, 9 Dec, priced at S$1,119 found 4 days ago
EVA Airways
Thu, 4 Dec - Tue, 9 Dec
KIX
Osaka
SEA
Seattle
S$1,159 Return, found 4 days ago
S$1,159
Return
found 4 days ago
Select EVA Airways flight, departing Thu, 4 Dec from Osaka to Seattle, returning Tue, 9 Dec, priced at S$1,159 found 4 days ago
China Airlines
Fri, 17 Oct - Fri, 24 Oct
KIX
Osaka
SEA
Seattle
S$1,202 Return, just found
S$1,202
Return
just found
Select China Airlines flight, departing Fri, 17 Oct from Osaka to Seattle, returning Fri, 24 Oct, priced at S$1,202 just found
China Airlines
Thu, 4 Dec - Tue, 9 Dec
KIX
Osaka
SEA
Seattle
S$1,216 Return, found 4 days ago
S$1,216
Return
found 4 days ago
Select China Airlines flight, departing Thu, 4 Dec from Osaka to Seattle, returning Tue, 9 Dec, priced at S$1,216 found 4 days ago
EVA Airways
Fri, 17 Oct - Fri, 24 Oct
KIX
Osaka
SEA
Seattle
S$1,217 Return, just found
S$1,217
Return
just found
Select EVA Airways flight, departing Fri, 17 Oct from Osaka to Seattle, returning Fri, 24 Oct, priced at S$1,217 just found
Asiana Airlines
Thu, 4 Dec - Tue, 9 Dec
KIX
Osaka
SEA
Seattle
S$1,234 Return, found 4 days ago
S$1,234
Return
found 4 days ago
Select Asiana Airlines flight, departing Thu, 4 Dec from Osaka to Seattle, returning Tue, 9 Dec, priced at S$1,234 found 4 days ago
STARLUX Airlines
Fri, 17 Oct - Fri, 24 Oct
KIX
Osaka
SEA
Seattle
S$1,253 Return, just found
S$1,253
Return
just found
Select STARLUX Airlines flight, departing Fri, 17 Oct from Osaka to Seattle, returning Fri, 24 Oct, priced at S$1,253 just found
STARLUX Airlines
Thu, 4 Dec - Tue, 9 Dec
KIX
Osaka
SEA
Seattle
S$1,268 Return, found 4 days ago
S$1,268
Return
found 4 days ago
Select STARLUX Airlines flight, departing Thu, 4 Dec from Osaka to Seattle, returning Tue, 9 Dec, priced at S$1,268 found 4 days ago
Hawaiian Airlines
Thu, 4 Dec - Tue, 9 Dec
KIX
Osaka
SEA
Seattle
S$1,374 Return, found 4 days ago
S$1,374
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Thu, 4 Dec from Osaka to Seattle, returning Tue, 9 Dec, priced at S$1,374 found 4 days ago

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

October is typically the cheapest month to fly

From S$845 - S$1,360 per traveller.

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$1,115. 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.

Travel information

Origin airport
Kansai Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
S$1,115
Distance
8044 km

Book with confidence

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!

Flights from Osaka to Seattle

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