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$403+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SEA
Mar 9 — Mar 161
Mon 3/9
Mon 3/16
1 adult, Economy
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Cheap 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 February 7, 2026.

This Vliegwinkel deal was found by Cheapflights users on 2/5. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/232:35 pm
KIX
-
SEA
1 stop34h 25m
Multiple Airlines
Tue 4/711:10 pm
SEA
-
KIX
1 stop28h 25m
Multiple Airlines
Deal found 2/5$693
This Air Canada deal was found by Cheapflights users on 2/7. 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.
Tue 6/236:00 pm
KIX
-
SEA
1 stop12h 22m
Air Canada
Wed 9/1610:30 am
SEA
-
KIX
1 stop13h 55m
Air Canada
Deal found 2/7$715
This Mytrip deal was found by Cheapflights users on 2/4. 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 3/57:25 pm
KIX
-
SEA
1 stop16h 51m
Air Canada
Sat 3/78:00 pm
SEA
-
KIX
1 stop28h 40m
Air Canada
Deal found 2/4$720
This Gotogate deal was found by Cheapflights users on 2/4. 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.
Tue 9/16:00 pm
KIX
-
SEA
1 stop31h 17m
Air Canada
Mon 9/2110:30 am
SEA
-
KIX
1 stop13h 55m
Air Canada
Deal found 2/4$759
This Booking.com deal was found by Cheapflights users on 2/6. 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.
Mon 3/232:35 pm
KIX
-
SEA
1 stop34h 25m
Multiple Airlines
Mon 3/3011:45 am
SEA
-
KIX
1 stop38h 20m
Multiple Airlines
Deal found 2/6$765
This Korean Air deal was found by Cheapflights users on 2/5. 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.
Wed 7/229:05 am
KIX
-
PDX
2 stops22h 01m
Korean Air
Tue 8/47:55 pm
PDX
-
KIX
2 stops29h 10m
Korean Air
Deal found 2/5$765
This Gotogate deal was found by Cheapflights users on 2/4. 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.
Thu 3/510:50 am
KIX
-
SEA
2 stops25h 26m
Multiple Airlines
Sat 3/73:40 pm
SEA
-
KIX
1 stop33h 00m
Multiple Airlines
Deal found 2/4$770
This FlightHub deal was found by Cheapflights users on 2/6. 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.
Tue 6/236:00 pm
KIX
-
SEA
1 stop12h 22m
Multiple Airlines
Wed 9/165:40 am
SEA
-
KIX
2 stops23h 20m
Multiple Airlines
Deal found 2/6$800
This CheapTickets deal was found by Cheapflights users on 2/4. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1210:55 am
KIX
-
SEA
1 stop24h 15m
EVA Air
Sat 3/1411:50 pm
SEA
-
KIX
1 stop18h 05m
EVA Air
Deal found 2/4$801
This China Airlines deal was found by Cheapflights users on 2/5. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:05 pm
KIX
-
PDX
2 stops21h 05m
Multiple Airlines
Fri 10/235:40 pm
PDX
-
KIX
2 stops25h 55m
Multiple Airlines
Deal found 2/5$894
This Korean Air deal was found by Cheapflights users on 2/5. 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.
Mon 6/299:05 am
KIX
-
PDX
2 stops23h 05m
Korean Air
Thu 7/167:55 pm
PDX
-
KIX
2 stops23h 25m
Korean Air
Deal found 2/5$925
This Korean Air deal was found by Cheapflights users on 2/6. 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.
Fri 5/2212:35 pm
KIX
-
PDX
2 stops20h 36m
Korean Air
Tue 5/265:18 pm
PDX
-
KIX
2 stops35h 42m
Korean Air
Deal found 2/6$946

Find 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 February 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$693
(Vliegwinkel)

One-way from

$403
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$974
Provider with most accurate pricing for Osaka (OSA)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Osaka (OSA)-Seattle/Tacoma Intl flights.
Search Deals
From Osaka Kansai Intl to Washington
Search Deals
One-way flight from Osaka Kansai Intl to Washington
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 7, 2026.
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

Mon 3/23

2:35 pm-9:00 am

1 stop34h 25m

Seattle/Tacoma Intl

Tue 4/7

11:10 pm-7:35 pm

1 stop28h 25m

$693

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 6/23

6:00 pm-2:22 pm

1 stop12h 22m

Seattle/Tacoma Intl

Wed 9/16

10:30 am-4:25 pm

1 stop13h 55m

$715

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 3/5

7:25 pm-7:16 pm

1 stop16h 51m

Seattle/Tacoma Intl

Sat 3/7

8:00 pm-5:40 pm

1 stop28h 40m

$720

OsakaPortland

KIX - PDX

KIXPDX

Osaka Kansai Intl

Wed 7/22

9:05 am-3:06 pm

2 stops22h 01m

Portland

Mon 8/3

6:30 am-9:00 pm

2 stops22h 30m

$765

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Mon 3/23

2:35 pm-9:00 am

1 stop34h 25m

Seattle/Tacoma Intl

Mon 3/30

11:45 am-6:05 pm

1 stop38h 20m

$765

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 3/5

10:50 am-7:16 pm

2 stops25h 26m

Seattle/Tacoma Intl

Sat 3/7

3:40 pm-5:40 pm

1 stop33h 00m

$770

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 6/23

6:00 pm-2:22 pm

1 stop12h 22m

Seattle/Tacoma Intl

Wed 9/16

5:40 am-9:00 pm

2 stops23h 20m

$800

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 3/12

10:55 am-7:10 pm

1 stop24h 15m

Seattle/Tacoma Intl

Sat 3/14

11:50 pm-9:55 am

1 stop18h 05m

$801

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Mon 8/3

2:00 pm-7:45 pm

1 stop21h 45m

Seattle/Tacoma Intl

Sun 8/16

1:55 am-12:50 pm

1 stop18h 55m

$806

OsakaPortland

KIX - PDX

KIXPDX

Osaka Kansai Intl

Fri 5/22

12:35 pm-5:11 pm

2 stops20h 36m

Portland

Tue 5/26

5:18 pm-9:00 pm

2 stops35h 42m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

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
No data available for this route at this time. Please check back soon.

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 12h 22m. Air Canada provides one of the quickest options available for as low as $715. There are 5024 mi between Osaka Kansai Intl Airport and State of Washington. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $420 on Korean Air. Other airlines that offer cheap prices include Air Canada from $424 and China Airlines from $482 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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