HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$325+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SEA
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kansai Intl to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 17, 2025.

This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:55 pmKIX - SEA
1 stop21h 35mEVA Air
Thu 1/112:10 amSEA - KIX
1 stop16h 45mEVA Air
Deal found 12/16$825
This Asiana Airlines deal was found by Cheapflights users on 12/16. 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 12/259:00 amKIX - SEA
1 stop21h 55mAsiana Airlines
Mon 12/2912:10 amSEA - KIX
1 stop15h 40mAsiana Airlines
Deal found 12/16$842
This Air Canada deal was found by Cheapflights users on 12/17. 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.
Thu 12/2510:50 amKIX - SEA
2 stops20h 41mMultiple Airlines
Tue 12/3010:05 amSEA - KIX
2 stops17h 30mMultiple Airlines
Deal found 12/17$1,084
This STARLUX Airlines deal was found by Cheapflights users on 12/15. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:20 pmKIX - SEA
1 stop19h 45mSTARLUX Airlines
Tue 12/3011:45 pmSEA - KIX
1 stop20h 05mSTARLUX Airlines
Deal found 12/15$1,179
This Cathay Pacific deal was found by Cheapflights users on 12/15. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:55 pmKIX - SEA
2 stops33h 07mCathay Pacific
Tue 12/307:09 amSEA - KIX
2 stops30h 11mCathay Pacific
Deal found 12/15$1,192
This Ovago deal was found by Cheapflights users on 12/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:15 pmKIX - SEA
3 stops33h 47mCathay Pacific
Fri 1/24:49 pmSEA - KIX
2 stops26h 56mCathay Pacific
Deal found 12/15$1,241

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 December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$683
(Delta)

One-way from

$325
(Kiwi.com)

Popular in

September

Cheapest in

May

Average price

$846
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. 9% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 17, 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

Thu 1/29

9:00 am-1:20 pm

1 stop21h 20m

Seattle/Tacoma Intl

Thu 2/5

11:25 am-8:45 pm

1 stop16h 20m

$683

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 3/3

7:25 pm-10:51 pm

1 stop20h 26m

Seattle/Tacoma Intl

Wed 3/18

10:05 am-5:40 pm

1 stop15h 35m

$699

OsakaPortland

KIX - PDX

KIXPDX

Osaka Kansai Intl

Thu 1/22

9:00 am-4:30 pm

2 stops24h 30m

Portland

Mon 1/26

5:25 pm-8:45 pm

2 stops34h 20m

$711

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Mon 1/26

10:50 am-7:16 pm

2 stops25h 26m

Seattle/Tacoma Intl

Thu 1/29

5:50 am-8:35 pm

2 stops21h 45m

$770

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Thu 1/29

8:00 am-2:20 pm

2 stops23h 20m

Seattle/Tacoma Intl

Thu 2/5

3:45 pm-10:20 pm

1 stop13h 35m

$822

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 1/21

9:00 am-1:55 pm

1 stop21h 55m

Seattle/Tacoma Intl

Fri 1/23

12:10 am-8:55 pm

1 stop27h 45m

$847

OsakaPortland

KIX - PDX

KIXPDX

Osaka Kansai Intl

Thu 1/22

8:45 pm-8:50 pm

1 stop17h 05m

Portland

Mon 1/26

10:30 am-6:45 pm

1 stop39h 15m

$900

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 3/3

10:55 am-8:47 pm

2 stops26h 52m

Seattle/Tacoma Intl

Tue 3/17

1:10 am-4:55 pm

1 stop23h 45m

$927

OsakaPortland

KIX - PDX

KIXPDX

Osaka Kansai Intl

Thu 1/22

8:45 pm-8:50 pm

1 stop17h 05m

Portland

Mon 1/26

10:30 am-10:20 pm

2 stops42h 50m

$958

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 3/3

6:05 pm-10:44 am

2 stops33h 39m

Seattle/Tacoma Intl

Wed 3/18

5:40 pm-5:50 pm

2 stops32h 10m

$961

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 28 results
1
2
3

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 December 17, 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 20h 26m. Delta provides one of the quickest options available for as low as $699. 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 $309 on EVA Air. Other airlines that offer cheap prices include Korean Air from $420 and Air Canada from $424 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kansai Intl to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Kansai Intl to Honolulu flights
Kansai Intl to Los Angeles flights
Kansai Intl to John F Kennedy Intl flights
Osaka Itami to Honolulu flights
Osaka Itami to Los Angeles flights
Osaka Itami to John F Kennedy Intl flights
Kansai Intl to Newark flights
Kansai Intl to San Francisco flights
Kansai Intl to Dallas/Fort Worth flights
Kobe to Honolulu flights
Osaka Itami to Newark flights
Kansai Intl to Seattle flights
Kansai Intl to Boston flights
Osaka Itami to Seattle flights
Kansai Intl to LaGuardia flights
Osaka Itami to Dallas/Fort Worth flights
Kansai Intl to Denver flights
Osaka Itami to Boston flights
Kansai Intl to Cleveland flights
Kansai Intl to Dulles Intl flights
Osaka Itami to San Francisco flights
Kansai Intl to Sky Harbor Intl flights
Kansai Intl to Kailua-Kona flights
Kansai Intl to Las Vegas flights
Osaka Itami to Las Vegas flights
Kansai Intl to Reagan-National flights
Kansai Intl to San Diego flights
Kansai Intl to Orlando flights
Osaka Itami to San Diego flights
Kansai Intl to San Jose flights
Kansai Intl to Detroit flights
Kansai Intl to Philadelphia flights
Osaka Itami to Philadelphia flights
Osaka Itami to O'Hare Intl flights
Kansai Intl to Atlanta flights
Kansai Intl to Raleigh flights
Osaka Itami to Orlando flights
Kansai Intl to Burbank flights
Kansai Intl to Pittsburgh flights
Kansai Intl to New Orleans flights
Kansai Intl to Minneapolis flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.