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Kansai Intl

$353+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KIX
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$663
(Justfly.com)

One-way from

$353
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$898
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. 7% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in February 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 febrero 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 10/147:30 amPDX - KIX
1 stop19h 15mAlaska Airlines
lun. 10/278:45 pmKIX - PDX
1 stop25h 15mAlaska Airlines
Deal found 2/20$647
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
dom. 9/145:45 amPDX - KIX
1 stop17h 05mANA
mar. 9/308:25 amKIX - PDX
2 stops22h 17mANA
Deal found 2/20$661
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/235:45 amPDX - KIX
1 stop17h 05mUnited Airlines
jue. 10/28:30 amKIX - PDX
2 stops31h 49mUnited Airlines
Deal found 2/20$674
This ANA deal was found by Cheapflights users on 2/20. 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.
lun. 5/126:30 pmPDX - KIX
2 stops22h 00mMultiple Airlines
vie. 5/164:50 pmKIX - PDX
1 stop17h 27mMultiple Airlines
Deal found 2/20$689
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/2410:55 amPDX - KIX
1 stop15h 50mHawaiian Airlines
sáb. 8/308:45 pmKIX - PDX
1 stop25h 15mHawaiian Airlines
Deal found 2/19$695
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
mié. 4/2311:30 pmSEA - KIX
1 stop28h 10mPhilippine Airlines
mié. 5/710:20 amKIX - SEA
1 stop25h 00mPhilippine Airlines
Deal found 2/20$740
This CrystalTravel deal was found by Cheapflights users on 2/19. 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.
mar. 4/227:33 pmSEA - KIX
2 stops20h 57mANA
vie. 5/24:50 pmKIX - SEA
1 stop15h 08mANA
Deal found 2/19$741
This oojo deal was found by Cheapflights users on 2/20. 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.
dom. 3/91:45 pmSEA - KIX
1 stop36h 00mAsiana Airlines
mié. 3/199:00 amKIX - SEA
1 stop18h 55mAsiana Airlines
Deal found 2/20$743
This KAYAK deal was found by Cheapflights users on 2/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/17:10 amSEA - KIX
2 stops40h 10mChina Eastern
mié. 6/114:30 pmKIX - SEA
2 stops40h 20mChina Eastern
Deal found 2/18$767
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
mié. 2/268:00 amPDX - KIX
2 stops21h 20mJapan Airlines
sáb. 3/85:50 pmKIX - PDX
1 stop21h 59mJapan Airlines
Deal found 2/20$773
This United Airlines deal was found by Cheapflights users on 2/20. 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.
dom. 9/145:00 amSEA - KIX
1 stop17h 50mUnited Airlines
mié. 10/18:30 amKIX - SEA
1 stop21h 55mUnited Airlines
Deal found 2/20$782
This American Airlines deal was found by Cheapflights users on 2/20. 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.
sáb. 8/305:17 amPDX - KIX
2 stops21h 28mAmerican Airlines
sáb. 9/65:55 pmKIX - PDX
2 stops21h 10mAmerican Airlines
Deal found 2/20$794

Find flights from Washington to Kansai Intl within your budget

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 febrero 20, 2025.

Fly from

Washington

Fly to

Kansai Intl

Route

Depart

Return

Price

PortlandOsaka

PDX - KIX

PDXKIX

Portland

mié. 4/23

7:54 am-2:50 pm

1 stop14h 56m

Osaka Kansai Intl

mié. 4/30

9:10 pm-2:58 pm

2 stops33h 48m

$663

PortlandOsaka

PDX - KIX

PDXKIX

Portland

mié. 4/23

7:54 am-2:50 pm

1 stop14h 56m

Osaka Kansai Intl

jue. 5/8

4:50 pm-6:17 pm

1 stop17h 27m

$670

PortlandOsaka

PDX - KIX

PDXKIX

Portland

lun. 4/21

6:00 am-10:15 pm

2 stops24h 15m

Osaka Kansai Intl

mié. 5/7

6:45 am-4:19 pm

2 stops25h 34m

$688

PortlandOsaka

PDX - KIX

PDXKIX

Portland

lun. 5/12

6:30 pm-8:30 am

2 stops22h 00m

Osaka Kansai Intl

vie. 5/16

4:50 pm-6:17 pm

1 stop17h 27m

$689

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

mié. 4/23

11:30 pm-7:40 pm

1 stop28h 10m

Osaka Kansai Intl

mié. 5/7

10:20 am-7:20 pm

1 stop25h 00m

$740

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

mar. 4/22

7:33 pm-8:30 am

2 stops20h 57m

Osaka Kansai Intl

vie. 5/2

4:50 pm-3:58 pm

1 stop15h 08m

$741

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

dom. 3/9

1:45 pm-5:45 pm

1 stop36h 00m

Osaka Kansai Intl

mié. 3/19

9:00 am-11:55 am

1 stop18h 55m

$743

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

dom. 4/20

7:15 am-2:50 pm

1 stop15h 35m

Osaka Kansai Intl

jue. 5/1

4:50 pm-12:59 am

1 stop24h 09m

$788

PortlandOsaka

PDX - KIX

PDXKIX

Portland

dom. 3/2

7:10 am-9:00 pm

2 stops20h 50m

Osaka Kansai Intl

sáb. 3/8

11:55 am-8:07 pm

2 stops25h 12m

$822

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

dom. 5/18

7:10 am-12:10 pm

2 stops37h 00m

Osaka Kansai Intl

sáb. 5/24

9:30 am-5:00 pm

2 stops23h 30m

$877

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 51 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.

Travel insights for flights from Washington to Kansai Intl

Get recent, data-driven insights about flights from Washington to Kansai Intl including ideal travel times, pricing trends, and more.

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 $912). Flying from State of Washington to Osaka Kansai Intl Airport in December is currently the most expensive (average of $1,366). 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 febrero 20, 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 febrero 20, 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and ANA 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
140 reviews

Crew

9.3

Boarding

9.1

Comfort

9.0

Food

9.0

Overall

9.1

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful
140 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Boarding

9.1

Comfort

9.0

Food

9.0

Overall

9.1

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

EVA Air
8.4
Very good
1,200 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Boarding

9.1

Comfort

9.0

Food

9.0

Overall

9.1

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

ANA
8.4
Very good
842 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Boarding

9.1

Comfort

9.0

Food

9.0

Overall

9.1

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Korean Air
8.4
Very good
1,037 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Boarding

9.1

Comfort

9.0

Food

9.0

Overall

9.1

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Japan Airlines
8.3
Very good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
140 reviews

Crew

9.3

Boarding

9.1

Comfort

9.0

Food

9.0

Overall

9.1

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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 American Airlines, with whom users have recently found tickets for as low as $353. However, be on the lookout for offers from Japan Airlines and United Airlines, 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 $912). Flying from State of Washington to Osaka Kansai Intl Airport in December is currently the most expensive (average of $1,366). 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.

See more FAQs

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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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$648Average$958FlexibilityNo cancel feeOn-time76%
China EasternCheapest$719Average$756FlexibilityNo cancel feeOn-time62%
ANACheapest$780Average$1,280FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$837Average$964FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$864Average$1,061FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$918Average$1,053FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$930Average$1,058FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$975Average$1,327FlexibilityNo cancel feeOn-time81%
Hawaiian AirlinesCheapest$997Average$1,300FlexibilityNo cancel feeOn-time85%
EVA AirCheapest$1,033Average$1,176FlexibilityNo cancel feeOn-time74%
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