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Kansai Intl

$407+ Cheap flights from Washington to Kansai Intl (KIX)

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KIX
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Washington to Kansai Intl

Keep the following information in mind while searching for Washington to Kansai Intl flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$651
(Bravofly)

One-way from

$407
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$1,080
Provider with most accurate pricing for Seattle/Tacoma Intl-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Osaka (OSA) flights.
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From Washington to Osaka Kansai Intl
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One-way flight from Washington to Osaka Kansai Intl
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Highest demand for flights based on searches. 6% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Washington to Kansai Intl

Cheapest flights from Washington to Kansai Intl
Explore the most affordable flight options available from Washington to Kansai Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Bravofly deal was found by Cheapflights users on 4/30. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:10 amPDX - KIX
2 stops19h 50mKorean Air
Tue 9/169:05 amKIX - PDX
2 stops20h 14mKorean Air
Deal found 4/30$651
This Bravofly deal was found by Cheapflights users on 4/30. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/910:40 amPDX - KIX
1 stop16h 05mHawaiian Airlines
Tue 9/168:45 pmKIX - PDX
1 stop35h 30mHawaiian Airlines
Deal found 4/30$660
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:45 amPDX - KIX
1 stop15h 05mANA
Tue 9/304:50 pmKIX - PDX
1 stop13h 53mANA
Deal found 4/29$688
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:00 amPDX - KIX
1 stop15h 35mUnited Airlines
Thu 11/276:30 pmKIX - PDX
1 stop21h 44mUnited Airlines
Deal found 4/29$701
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:10 amPDX - KIX
2 stops34h 10mDelta
Tue 9/169:05 amKIX - PDX
2 stops26h 08mDelta
Deal found 4/29$715
This oojo deal was found by Cheapflights users on 4/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/212:15 pmSEA - KIX
1 stop27h 35mAsiana Airlines
Wed 10/2911:10 amKIX - SEA
1 stop17h 25mAsiana Airlines
Deal found 4/29$723
This ANA deal was found by Cheapflights users on 4/29. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:35 pmPDX - KIX
2 stops20h 55mMultiple Airlines
Tue 9/306:35 pmKIX - PDX
2 stops18h 06mMultiple Airlines
Deal found 4/29$726
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:30 amSEA - KIX
1 stop18h 55mAir Canada
Mon 9/296:05 pmKIX - SEA
1 stop20h 11mAir Canada
Deal found 4/30$750
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:55 pmSEA - KIX
1 stop26h 15mPhilippine Airlines
Sun 11/169:55 amKIX - SEA
1 stop26h 40mPhilippine Airlines
Deal found 4/29$754
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:40 pmPDX - KIX
1 stop28h 45mAir Canada
Tue 10/146:05 pmKIX - PDX
2 stops34h 38mAir Canada
Deal found 4/30$764
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:10 pmPDX - KIX
1 stop32h 35mAlaska Airlines
Sun 11/98:45 pmKIX - PDX
1 stop16h 50mAlaska Airlines
Deal found 4/29$798
This CrystalTravel deal was found by Cheapflights users on 4/30. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:35 pmSEA - KIX
2 stops22h 55mANA
Mon 9/296:35 pmKIX - SEA
1 stop11h 50mANA
Deal found 4/30$807

Cheapflights Fare Finder

Customize your flight search to find flights from Washington to Kansai Intl 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 May 1, 2025.
Use the filters below to find and compare flights from Washington to Osaka Kansai Intl Airport that are best for you.

Fly from

Washington

Fly to

Kansai Intl

Route

Depart

Return

Price

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/9

9:10 am-9:00 pm

2 stops19h 50m

Osaka Kansai Intl

Tue 9/16

9:05 am-1:19 pm

2 stops20h 14m

$651

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/9

10:40 am-6:45 pm

1 stop16h 05m

Osaka Kansai Intl

Tue 9/16

8:45 pm-4:15 pm

1 stop35h 30m

$660

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/23

7:45 am-2:50 pm

1 stop15h 05m

Osaka Kansai Intl

Tue 9/30

4:50 pm-2:43 pm

1 stop13h 53m

$688

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/9

7:35 am-6:45 pm

1 stop19h 10m

Osaka Kansai Intl

Tue 9/16

8:45 pm-10:40 pm

1 stop17h 55m

$701

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Sun 9/7

7:45 am-2:50 pm

1 stop15h 05m

Osaka Kansai Intl

Sat 9/27

8:25 am-6:32 pm

2 stops26h 07m

$703

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/9

9:10 am-11:20 am

2 stops34h 10m

Osaka Kansai Intl

Tue 9/16

9:05 am-7:13 pm

2 stops26h 08m

$715

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/23

7:35 pm-8:30 am

2 stops20h 55m

Osaka Kansai Intl

Tue 9/30

6:35 pm-8:41 pm

2 stops18h 06m

$726

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 10/7

7:40 pm-4:25 pm

1 stop28h 45m

Osaka Kansai Intl

Tue 10/14

6:05 pm-12:43 pm

2 stops34h 38m

$764

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Wed 7/30

7:45 am-6:45 pm

1 stop19h 00m

Osaka Kansai Intl

Wed 8/20

5:55 pm-9:14 pm

1 stop19h 19m

$872

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Sun 8/10

7:00 am-6:45 pm

1 stop19h 45m

Osaka Kansai Intl

Mon 8/18

5:55 pm-9:04 pm

1 stop19h 09m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 52 results
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Best time to book a flight from Washington to Kansai Intl

Have a flexible travel schedule? Discover the best time to fly to Kansai Intl from Washington 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 Washington to Osaka Kansai Intl Airport

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

Currently, February is the cheapest month in which you can book a flight from State of Washington to Osaka Kansai Intl Airport (average of $893). Flying from State of Washington to Osaka Kansai Intl Airport in December is currently the most expensive (average of $1,336). 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.

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

Find hourly flight availability from Washington to Kansai Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

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

Rainfall in Kansai Intl by month

Plan your trip to Kansai Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Osaka Kansai Intl Airport ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka Kansai Intl Airport when rainfall is around 1.6 in.

Temperature in Kansai Intl by month

Plan your trip to Kansai Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Osaka Kansai Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Kansai Intl

Get insights into the airlines that provide service to Kansai Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kansai Intl. Reviews last updated May 1, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Washington to Osaka to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Crew

9.3

Overall

9.1

Food

8.9

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Crew

9.3

Overall

9.1

Food

8.9

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Crew

9.3

Overall

9.1

Food

8.9

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,069 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Crew

9.3

Overall

9.1

Food

8.9

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,464 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Crew

9.3

Overall

9.1

Food

8.9

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Crew

9.3

Overall

9.1

Food

8.9

Entertainment

9.0

Comfort

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

Related info for your journey

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

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

    The cheapest airline one-way is Asiana Airlines, with whom users have recently found tickets for as low as $407. However, be on the lookout for offers from Air Canada and ANA, as they are both options that can get you from State of Washington to Osaka Kansai Intl Airport for a low price.

  • What are the most popular routes from State of Washington to Osaka Kansai Intl Airport?

    The most popular flight routes from State of Washington to Osaka Kansai Intl Airport are Seattle/Tacoma Intl - Osaka Kansai Intl, Portland - Osaka Kansai Intl and Pasco Tri Cities - Osaka Kansai Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Kansai Intl 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 State of Washington to Osaka Kansai Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Osaka Kansai Intl Airport (average of $893). Flying from State of Washington to Osaka Kansai Intl Airport in December is currently the most expensive (average of $1,336). 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 Washington to Kansai Intl

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Top 10 airlines flying from Washington to Kansai Intl

Discover the top 10 airlines that operate flights from Washington to Kansai Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$648Average$922FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$716Average$1,228FlexibilityNo cancel feeOn-time81%
China EasternCheapest$719Average$756FlexibilityNo cancel feeOn-time62%
ANACheapest$746Average$1,117FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$797Average$905FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$802Average$1,132FlexibilityNo cancel feeOn-time67%
STARLUX AirlinesCheapest$918Average$1,105FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$931Average$1,140FlexibilityNo cancel feeOn-time70%
Hawaiian AirlinesCheapest$997Average$1,479FlexibilityNo cancel feeOn-time85%
EVA AirCheapest$1,033Average$1,170FlexibilityNo cancel feeOn-time74%

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