₩880,300 Cheap Flights from Osaka (KIX) to Seattle (SEA)

View ₩880,300 flight on Thu, Jul 16, 2026Opens 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 ₩880,300 for one-way flights and ₩1,421,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Jan 13 - Mon, Feb 8
KIX
Osaka
SEA
Seattle
₩1,421,200 Roundtrip, found 6 days ago
₩1,421,200
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jan 13 from Osaka to Seattle, returning Mon, Feb 8, priced at ₩1,421,200 found 6 days ago
Delta
Wed, Jan 13 - Mon, Feb 8
KIX
Osaka
SEA
Seattle
₩1,554,300 Roundtrip, found 6 days ago
₩1,554,300
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jan 13 from Osaka to Seattle, returning Mon, Feb 8, priced at ₩1,554,300 found 6 days ago
Korean Air
Wed, Jan 13 - Mon, Feb 8
KIX
Osaka
SEA
Seattle
₩1,557,100 Roundtrip, found 6 days ago
₩1,557,100
Roundtrip
found 6 days ago
Select Korean Air flight, departing Wed, Jan 13 from Osaka to Seattle, returning Mon, Feb 8, priced at ₩1,557,100 found 6 days ago
Delta
Wed, Jan 13 - Mon, Feb 8
KIX
Osaka
SEA
Seattle
₩1,560,300 Roundtrip, found 6 days ago
₩1,560,300
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jan 13 from Osaka to Seattle, returning Mon, Feb 8, priced at ₩1,560,300 found 6 days ago
Delta
Wed, Jan 13 - Mon, Feb 8
KIX
Osaka
SEA
Seattle
₩1,562,600 Roundtrip, found 6 days ago
₩1,562,600
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jan 13 from Osaka to Seattle, returning Mon, Feb 8, priced at ₩1,562,600 found 6 days ago
Korean Air
Wed, Jan 13 - Mon, Feb 8
KIX
Osaka
SEA
Seattle
₩1,563,100 Roundtrip, found 6 days ago
₩1,563,100
Roundtrip
found 6 days ago
Select Korean Air flight, departing Wed, Jan 13 from Osaka to Seattle, returning Mon, Feb 8, priced at ₩1,563,100 found 6 days ago
Delta
Wed, Jan 13 - Mon, Feb 8
KIX
Osaka
SEA
Seattle
₩1,563,800 Roundtrip, found 6 days ago
₩1,563,800
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jan 13 from Osaka to Seattle, returning Mon, Feb 8, priced at ₩1,563,800 found 6 days ago
STARLUX Airlines
Wed, Jan 13 - Mon, Feb 8
KIX
Osaka
SEA
Seattle
₩1,569,100 Roundtrip, found 6 days ago
₩1,569,100
Roundtrip
found 6 days ago
Select STARLUX Airlines flight, departing Wed, Jan 13 from Osaka to Seattle, returning Mon, Feb 8, priced at ₩1,569,100 found 6 days ago
Asiana Airlines
Wed, Jan 13 - Mon, Feb 8
KIX
Osaka
SEA
Seattle
₩1,654,600 Roundtrip, found 6 days ago
₩1,654,600
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Wed, Jan 13 from Osaka to Seattle, returning Mon, Feb 8, priced at ₩1,654,600 found 6 days ago
Cathay Pacific
Wed, Jan 13 - Mon, Feb 8
KIX
Osaka
SEA
Seattle
₩1,805,000 Roundtrip, found 6 days ago
₩1,805,000
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Wed, Jan 13 from Osaka to Seattle, returning Mon, Feb 8, priced at ₩1,805,000 found 6 days ago

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 ₩1,421,200. 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 canceled 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 kilometers, 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.
Roundtrip price
₩1,421,200
Distance
8044 km
*Available to Expedia members.