￥82,290 Cheap Flights from Osaka (OSA) to Seattle (SEA)

View ￥82,290 flight on Thu, Oct 8, 2026Opens in a new window

Popular airlines from Osaka to Seattle, WA (SEA-Seattle - Tacoma Intl.)

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Cheap Flights from Osaka to Seattle (OSA-SEA)

Prices were available within the past 7 days and start at ￥82,290 for one-way flights and ￥112,350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, May 11 - Mon, May 25
KIX
Osaka
SEA
Seattle
￥112,350 Roundtrip, found 2 hours ago
￥112,350
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Mon, May 11 from Osaka to Seattle, returning Mon, May 25, priced at ￥112,350 found 2 hours ago
Asiana Airlines
Fri, Sep 11 - Sat, Oct 3
KIX
Osaka
SEA
Seattle
￥122,010 Roundtrip, found 1 hour ago
￥122,010
Roundtrip
found 1 hour ago
Select Asiana Airlines flight, departing Fri, Sep 11 from Osaka to Seattle, returning Sat, Oct 3, priced at ￥122,010 found 1 hour ago
American Airlines
Wed, Sep 2 - Thu, Sep 10
ITM
Osaka
SEA
Seattle
￥133,180 Roundtrip, found 6 days ago
￥133,180
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 2 from Osaka to Seattle, returning Thu, Sep 10, priced at ￥133,180 found 6 days ago
Alaska Airlines
Tue, May 5 - Sun, Jul 12
KIX
Osaka
SEA
Seattle
￥145,120 Roundtrip, found 20 hours ago
￥145,120
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Tue, May 5 from Osaka to Seattle, returning Sun, Jul 12, priced at ￥145,120 found 20 hours ago
Delta
Wed, Jul 15 - Thu, Aug 6
KIX
Osaka
SEA
Seattle
￥148,210 Roundtrip, found 17 hours ago
￥148,210
Roundtrip
found 17 hours ago
Select Delta flight, departing Wed, Jul 15 from Osaka to Seattle, returning Thu, Aug 6, priced at ￥148,210 found 17 hours ago
Korean Air
Fri, Jun 19 - Wed, Jul 1
UKB
Kobe
SEA
Seattle
￥150,660 Roundtrip, found 5 days ago
￥150,660
Roundtrip
found 5 days ago
Select Korean Air flight, departing Fri, Jun 19 from Kobe to Seattle, returning Wed, Jul 1, priced at ￥150,660 found 5 days ago
EVA Airways
Wed, Nov 25 - Sun, Nov 29
UKB
Kobe
SEA
Seattle
￥153,790 Roundtrip, found 4 days ago
￥153,790
Roundtrip
found 4 days ago
Select EVA Airways flight, departing Wed, Nov 25 from Kobe to Seattle, returning Sun, Nov 29, priced at ￥153,790 found 4 days ago
China Airlines
Tue, Mar 16 - Fri, Mar 19
KIX
Osaka
SEA
Seattle
￥158,810 Roundtrip, found 7 hours ago
￥158,810
Roundtrip
found 7 hours ago
Select China Airlines flight, departing Tue, Mar 16 from Osaka to Seattle, returning Fri, Mar 19, priced at ￥158,810 found 7 hours ago
STARLUX Airlines
Tue, Jul 7 - Fri, Jul 10
UKB
Kobe
SEA
Seattle
￥159,967 Roundtrip, just found
￥159,967
Roundtrip
just found
Select STARLUX Airlines flight, departing Tue, Jul 7 from Kobe to Seattle, returning Fri, Jul 10, priced at ￥159,967 just found
Cathay Pacific
Mon, Sep 7 - Mon, Sep 14
KIX
Osaka
SEA
Seattle
￥162,780 Roundtrip, found 4 days ago
￥162,780
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Mon, Sep 7 from Osaka to Seattle, returning Mon, Sep 14, priced at ￥162,780 found 4 days ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from ￥117,350
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from ￥117,350

Frequently asked questions

How much is a flight from Osaka (OSA-All Airports) to Sea-Tac Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between Osaka (OSA-All Airports) and Seattle - Tacoma Intl. Airport (SEA) was ￥112,350. Great fares don't wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Osaka (OSA-All Airports) to SEA?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Osaka (OSA-All Airports) 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 Osaka (OSA-All Airports) to Seattle - Tacoma Intl. Airport (SEA) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Osaka (OSA-All Airports) to Seattle - Tacoma Intl. Airport (SEA)?
Make the 16 hours and 14 minutes between Osaka (OSA-All Airports) and Sea-Tac Airport as comfortable as possible. Bring the essentials, like a neck pillow, your toothbrush and warm clothes, and sit back and enjoy the flight!
How far is the flight from Osaka (OSA-All Airports) to SEA?
The distance is around 8,100 kilometers. Eye mask? Check. Toothbrush? Check. You'd be wise to pack all the essentials for this long-haul Japan to SeaTac flight.
Which airlines fly direct from Osaka (OSA-All Airports) to SEA?
If you want to travel straight from Osaka (OSA-All Airports) to Seattle - Tacoma Intl. Airport (SEA), you'll have to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly between these airports.
Are Osaka (OSA-All Airports) to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Osaka (OSA-All Airports) to Seattle - Tacoma Intl. Airport (SEA) last minute could save you some cash. However, it might cost you a whole lot more! If you'd prefer to err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.
Can I fly from Osaka (OSA-All Airports) to SEA right now?
To see what travel restrictions and quarantine requirements are in place for different citizens flying from Osaka (OSA-All Airports) to Sea-Tac Airport please visit our COVID 19 travel advisor portal link.

Travel information

Origin airport
Kansai Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Finnair, Hainan Airlines, Japan Airlines, Korean Air, Lufthansa, Philippine Airlines, STARLUX Airlines, Singapore Airlines, Turkish Airlines, United
Roundtrip price
￥112,350
Distance
8044 km

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