₩681,700 Cheap Flights from Osaka (KIX) to Seattle (SEA)

View ₩681,700 flight on Mon, Nov 10, 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 ₩681,700 for one-way flights and ₩1,265,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

EVA Airways
Sun, Nov 9 - Thu, Nov 13
KIX
Osaka
SEA
Seattle
₩1,265,900 Roundtrip, found 4 days ago
₩1,265,900
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Sun, Nov 9 from Osaka to Seattle, returning Thu, Nov 13, priced at ₩1,265,900 found 4 days ago
EVA Airways
Sun, Nov 9 - Thu, Nov 13
KIX
Osaka
SEA
Seattle
₩1,345,900 Roundtrip, found 4 days ago
₩1,345,900
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Sun, Nov 9 from Osaka to Seattle, returning Thu, Nov 13, priced at ₩1,345,900 found 4 days ago
China Airlines
Sun, Nov 9 - Thu, Nov 13
KIX
Osaka
SEA
Seattle
₩1,376,000 Roundtrip, found 4 days ago
₩1,376,000
Roundtrip
found 4 days ago
Select China Airlines flight, departing Sun, Nov 9 from Osaka to Seattle, returning Thu, Nov 13, priced at ₩1,376,000 found 4 days ago
China Airlines
Sun, Nov 9 - Thu, Nov 13
KIX
Osaka
SEA
Seattle
₩1,396,700 Roundtrip, found 4 days ago
₩1,396,700
Roundtrip
found 4 days ago
Select China Airlines flight, departing Sun, Nov 9 from Osaka to Seattle, returning Thu, Nov 13, priced at ₩1,396,700 found 4 days ago
China Airlines
Sun, Nov 9 - Thu, Nov 13
KIX
Osaka
SEA
Seattle
₩1,453,100 Roundtrip, found 4 days ago
₩1,453,100
Roundtrip
found 4 days ago
Select China Airlines flight, departing Sun, Nov 9 from Osaka to Seattle, returning Thu, Nov 13, priced at ₩1,453,100 found 4 days ago
China Airlines
Sun, Nov 9 - Thu, Nov 13
KIX
Osaka
SEA
Seattle
₩1,480,400 Roundtrip, found 4 days ago
₩1,480,400
Roundtrip
found 4 days ago
Select China Airlines flight, departing Sun, Nov 9 from Osaka to Seattle, returning Thu, Nov 13, priced at ₩1,480,400 found 4 days ago
Philippine Airlines
Sun, Nov 9 - Thu, Nov 13
KIX
Osaka
SEA
Seattle
₩1,482,900 Roundtrip, found 4 days ago
₩1,482,900
Roundtrip
found 4 days ago
Select Philippine Airlines flight, departing Sun, Nov 9 from Osaka to Seattle, returning Thu, Nov 13, priced at ₩1,482,900 found 4 days ago
Philippine Airlines
Sun, Nov 9 - Thu, Nov 13
KIX
Osaka
SEA
Seattle
₩1,494,200 Roundtrip, found 4 days ago
₩1,494,200
Roundtrip
found 4 days ago
Select Philippine Airlines flight, departing Sun, Nov 9 from Osaka to Seattle, returning Thu, Nov 13, priced at ₩1,494,200 found 4 days ago
Hawaiian Airlines
Sun, Nov 9 - Thu, Nov 13
KIX
Osaka
SEA
Seattle
₩1,994,300 Roundtrip, found 4 days ago
₩1,994,300
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sun, Nov 9 from Osaka to Seattle, returning Thu, Nov 13, priced at ₩1,994,300 found 4 days ago
American Airlines
Sun, Nov 9 - Thu, Nov 13
KIX
Osaka
SEA
Seattle
₩2,518,300 Roundtrip, found 4 days ago
₩2,518,300
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Nov 9 from Osaka to Seattle, returning Thu, Nov 13, priced at ₩2,518,300 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 ₩919,812 - ₩1,479,742 per traveler.

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 ₩1,265,900. 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
₩1,265,900
Distance
8044 km

Book with confidence

Osaka to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Osaka to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with KIX to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Osaka for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Osaka to Seattle Flights

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