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$383+ Cheap flights from Kansai Intl (KIX) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SEA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Kansai Intl to Washington

Keep the following information in mind while searching for Kansai Intl to Washington flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$704
(Gotogate)

One-way from

$383
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$853
Provider with most accurate pricing for Osaka (OSA)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Osaka (OSA)-Seattle/Tacoma Intl flights.
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From Osaka Kansai Intl to Washington
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One-way flight from Osaka Kansai Intl to Washington
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Highest demand for flights based on searches. 5% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Kansai Intl to Washington

Cheapest flights from Kansai Intl to Washington
Explore the most affordable flight options available from Kansai Intl to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:30 pmKIX - SEA
1 stop34h 35mHainan Airlines
Tue 12/910:00 amSEA - KIX
1 stop33h 35mHainan Airlines
Deal found 10/30$704
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:50 amKIX - SEA
1 stop18h 55mMultiple Airlines
Sun 1/41:40 pmSEA - KIX
1 stop16h 05mMultiple Airlines
Deal found 10/29$710
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/282:35 pmKIX - SEA
1 stop34h 25mMultiple Airlines
Fri 12/53:40 pmSEA - KIX
1 stop13h 40mMultiple Airlines
Deal found 10/29$745
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:30 pmKIX - SEA
1 stop34h 35mMultiple Airlines
Tue 12/97:00 amSEA - KIX
2 stops18h 15mMultiple Airlines
Deal found 10/30$775
This Korean Air deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:00 pmKIX - SEA
1 stop36h 00mKorean Air
Mon 11/1711:00 amSEA - KIX
1 stop37h 00mKorean Air
Deal found 10/30$820
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:30 amKIX - SEA
2 stops30h 08mMultiple Airlines
Sat 12/63:40 pmSEA - KIX
1 stop23h 55mMultiple Airlines
Deal found 10/29$831
This Asiana Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:30 amKIX - SEA
1 stop20h 25mAsiana Airlines
Mon 12/2912:10 amSEA - KIX
1 stop15h 30mAsiana Airlines
Deal found 10/30$832
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:00 pmKIX - SEA
2 stops20h 11mMultiple Airlines
Wed 11/126:41 pmSEA - KIX
2 stops20h 39mMultiple Airlines
Deal found 10/29$844
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:00 pmKIX - PDX
2 stops23h 30mMultiple Airlines
Thu 12/49:50 amPDX - KIX
2 stops19h 30mMultiple Airlines
Deal found 10/30$896
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:55 pmKIX - PDX
3 stops41h 23mMultiple Airlines
Sat 12/69:50 amPDX - KIX
2 stops19h 00mMultiple Airlines
Deal found 10/29$1,186
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:55 amKIX - PDX
2 stops27h 45mDelta
Wed 12/312:32 amPDX - KIX
2 stops27h 13mDelta
Deal found 10/30$1,435
This Expedia deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:10 pmKIX - PDX
2 stops23h 09mMultiple Airlines
Sun 12/215:48 pmPDX - KIX
2 stops25h 07mMultiple Airlines
Deal found 10/30$1,451

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansai Intl to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Washington that are best for you.

Fly from

Kansai Intl

Fly to

Washington

Route

Depart

Return

Price

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sat 3/14

3:40 pm-2:30 pm

1 stop14h 50m

Seattle/Tacoma Intl

Sat 3/21

2:40 pm-10:45 pm

1 stop16h 05m

$709

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Fri 12/26

11:50 am-1:45 pm

1 stop18h 55m

Seattle/Tacoma Intl

Sun 1/4

1:40 pm-10:45 pm

1 stop16h 05m

$710

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sat 3/14

12:20 pm-4:05 pm

1 stop19h 45m

Seattle/Tacoma Intl

Fri 3/20

12:45 am-12:50 pm

1 stop20h 05m

$812

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 11/13

2:00 pm-9:00 am

1 stop36h 00m

Seattle/Tacoma Intl

Mon 11/17

11:00 am-5:00 pm

1 stop37h 00m

$820

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Fri 11/28

12:00 pm-7:16 pm

2 stops24h 16m

Seattle/Tacoma Intl

Fri 12/5

10:05 am-9:15 pm

2 stops18h 10m

$820

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 12/25

10:30 am-1:55 pm

1 stop20h 25m

Seattle/Tacoma Intl

Mon 12/29

12:10 am-8:40 am

1 stop15h 30m

$832

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 11/13

12:20 pm-3:05 pm

1 stop19h 45m

Seattle/Tacoma Intl

Mon 11/17

11:45 pm-11:10 am

1 stop18h 25m

$850

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 11/13

9:00 am-1:55 pm

1 stop21h 55m

Seattle/Tacoma Intl

Sun 11/16

12:10 am-6:05 pm

1 stop24h 55m

$858

OsakaPortland

KIX - PDX

KIXPDX

Osaka Kansai Intl

Thu 11/27

12:00 pm-6:30 pm

2 stops23h 30m

Portland

Thu 12/4

9:50 am-10:20 pm

2 stops19h 30m

$896

OsakaPortland

KIX - PDX

KIXPDX

Osaka Kansai Intl

Sat 11/29

12:55 pm-1:18 pm

3 stops41h 23m

Portland

Sat 12/6

9:50 am-9:50 pm

2 stops19h 00m

$1,186

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 33 results
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Best time to book a flight from Kansai Intl to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Kansai Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Osaka Kansai Intl Airport to Washington

What is the cheapest time of day to fly from KIX to WA?

Find hourly flight availability from Kansai Intl to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from Osaka Kansai Intl Airport to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 43% versus a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Kansai Intl to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Osaka Kansai Intl Airport to State of Washington?

    A quick flight from Osaka Kansai Intl Airport to State of Washington can take about 19h 45m. STARLUX Airlines provides one of the quickest options available for as low as $812. There are 5024 mi between Osaka Kansai Intl Airport and State of Washington.

  • What are the cheapest airlines to fly from Osaka Kansai Intl Airport to State of Washington one-way?

    One-way options have recently been found by users for as low as $395 on Hainan Airlines. Other airlines that offer cheap prices include Korean Air from $578 and Cathay Pacific from $859 one-way.

  • Can I find deals for flights from Kansai Intl to Washington that include hotel bookings?

    Yes. In addition to deals on Kansai Intl to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansai Intl to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansai Intl to Washington.

  • Can I find deals for business class flights from Kansai Intl to Washington?

    Yes. Cheapflights offers flight deals from Kansai Intl to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Kansai Intl to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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