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$405+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$672
(Kiwi.com)

One-way from

$405
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$1,106
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. 8% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/1412:00 pmKIX - SEA
1 stop18h 55mMultiple Airlines
Fri 11/281:40 pmSEA - KIX
1 stop16h 05mMultiple Airlines
Deal found 9/10$672
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/1510:50 amKIX - SEA
1 stop20h 05mMultiple Airlines
Fri 11/281:40 pmSEA - KIX
1 stop16h 05mMultiple Airlines
Deal found 9/10$683
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/1510:50 amKIX - SEA
1 stop20h 05mMultiple Airlines
Sat 11/2912:10 amSEA - KIX
1 stop19h 10mMultiple Airlines
Deal found 9/10$694
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/1412:00 pmKIX - SEA
1 stop18h 55mMultiple Airlines
Sat 11/291:40 pmSEA - KIX
1 stop16h 05mMultiple Airlines
Deal found 9/10$710
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/145:00 pmKIX - SEA
2 stops29h 35mMultiple Airlines
Sun 11/301:40 pmSEA - KIX
1 stop16h 05mMultiple Airlines
Deal found 9/10$716
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:20 amKIX - SEA
1 stop24h 55mPhilippine Airlines
Wed 10/2910:30 pmSEA - KIX
1 stop29h 05mPhilippine Airlines
Deal found 9/10$719
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:25 pmKIX - SEA
1 stop34h 30mAsiana Airlines
Thu 11/2712:10 amSEA - KIX
1 stop27h 45mAsiana Airlines
Deal found 9/10$726
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sun 11/1611:50 amKIX - SEA
1 stop19h 05mMultiple Airlines
Sun 11/301:40 pmSEA - KIX
1 stop16h 05mMultiple Airlines
Deal found 9/10$729
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sun 11/1611:50 amKIX - SEA
1 stop19h 05mMultiple Airlines
Fri 11/281:40 pmSEA - KIX
1 stop16h 05mMultiple Airlines
Deal found 9/10$730
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:15 amKIX - SEA
1 stop25h 20mPhilippine Airlines
Sun 11/29:30 pmSEA - KIX
1 stop23h 35mPhilippine Airlines
Deal found 9/11$735
This Air Canada deal was found by Cheapflights users on 9/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:05 pmKIX - PDX
1 stop20h 56mMultiple Airlines
Sat 11/14:02 pmPDX - KIX
2 stops33h 38mMultiple Airlines
Deal found 9/10$812
This Mytrip deal was found by Cheapflights users on 9/10. 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 10/256:05 pmKIX - PDX
2 stops42h 33mAir Canada
Sat 11/17:30 amPDX - KIX
2 stops42h 10mAir Canada
Deal found 9/10$846

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 September 11, 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

Fri 11/14

12:00 pm-1:55 pm

1 stop18h 55m

Seattle/Tacoma Intl

Fri 11/28

1:40 pm-10:45 pm

1 stop16h 05m

$672

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sat 11/15

10:50 am-1:55 pm

1 stop20h 05m

Seattle/Tacoma Intl

Fri 11/28

1:40 pm-10:45 pm

1 stop16h 05m

$683

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sat 11/15

10:50 am-1:55 pm

1 stop20h 05m

Seattle/Tacoma Intl

Sun 11/30

1:40 pm-10:45 pm

1 stop16h 05m

$683

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Fri 11/14

12:00 pm-1:55 pm

1 stop18h 55m

Seattle/Tacoma Intl

Sat 11/29

1:40 pm-10:45 pm

1 stop16h 05m

$710

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 10/8

10:20 am-7:15 pm

1 stop24h 55m

Seattle/Tacoma Intl

Wed 10/29

10:30 pm-7:35 pm

1 stop29h 05m

$719

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Fri 11/14

8:25 pm-1:55 pm

1 stop34h 30m

Seattle/Tacoma Intl

Thu 11/27

12:10 am-8:55 pm

1 stop27h 45m

$726

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sun 11/16

11:50 am-1:55 pm

1 stop19h 05m

Seattle/Tacoma Intl

Sun 11/30

1:40 pm-10:45 pm

1 stop16h 05m

$729

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sun 11/16

11:50 am-1:55 pm

1 stop19h 05m

Seattle/Tacoma Intl

Fri 11/28

1:40 pm-10:45 pm

1 stop16h 05m

$730

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sun 10/26

10:15 am-7:35 pm

1 stop25h 20m

Seattle/Tacoma Intl

Sun 11/2

9:30 pm-2:05 pm

1 stop23h 35m

$735

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Mon 9/29

9:10 am-12:30 pm

1 stop19h 20m

Seattle/Tacoma Intl

Tue 10/21

2:15 pm-9:05 pm

1 stop14h 50m

$753

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 36 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 September 11, 2025.

When flying from Osaka Kansai Intl Airport to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Osaka Kansai Intl Airport to State of Washington?

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 32h 53m. Air Canada provides one of the quickest options available for as low as $846. There are 5082 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 $416 on Delta. Other airlines that offer cheap prices include Korean Air from $418 and Air Canada from $444 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.

  • What is the cheapest month to book a flight from Osaka Kansai Intl Airport to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to State of Washington (average of $238). Flying from Osaka Kansai Intl Airport to State of Washington in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Kansai Intl to Washington

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