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$361+ Cheap flights from Washington to Japan

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FUK
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheap flight deals from Washington to Japan

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$564
(Justfly.com)

One-way from

$361

Popular in

December

Cheapest in

February

Average price

$1,112

Good round-trip deal

$738 or less

Good one-way deal

$413 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Tokyo (TYO) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Tokyo (TYO) flights.
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From Washington to Japan
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One-way flight from Washington to Japan
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Highest demand for flights based on searches. 6% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Washington to Japan.
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Price to beat on a one-way flight from Washington to Japan.
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Find flight deals from Washington to Japan

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

This Justfly.com deal was found by Cheapflights users on 3/31. 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 9/95:30 amPDX - KIX
1 stop17h 20mANA
Tue 9/166:45 amKIX - PDX
2 stops23h 57mANA
Deal found 3/31$564
This Hawaiian Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 9/910:40 amPDX - KIX
1 stop16h 05mHawaiian Airlines
Tue 9/168:45 pmKIX - PDX
1 stop25h 15mHawaiian Airlines
Deal found 3/31$568
This Mytrip deal was found by Cheapflights users on 3/31. 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.
Mon 4/216:00 amPDX - KIX
1 stop20h 45mJapan Airlines
Wed 4/305:55 pmKIX - PDX
1 stop20h 26mJapan Airlines
Deal found 3/31$569
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 11/47:30 amPDX - KIX
1 stop18h 15mAlaska Airlines
Thu 11/278:45 pmKIX - PDX
1 stop16h 50mAlaska Airlines
Deal found 3/31$574
This United deal was found by Cheapflights users on 4/1. 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.
Fri 9/57:45 amPDX - KIX
1 stop15h 05mUnited Airlines
Fri 9/264:50 pmKIX - PDX
1 stop23h 29mUnited Airlines
Deal found 4/1$578
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 4/216:00 amPDX - KIX
1 stop20h 45mAmerican Airlines
Wed 4/305:55 pmKIX - PDX
2 stops22h 07mAmerican Airlines
Deal found 3/31$579
This StudentUniverse deal was found by Cheapflights users on 3/31. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/910:29 amPDX - KIX
2 stops18h 31mKorean Air
Tue 9/1612:35 pmKIX - PDX
2 stops20h 31mKorean Air
Deal found 3/31$581
This Korean Air deal was found by Cheapflights users on 3/31. 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 10/1710:29 amPDX - KIX
2 stops18h 31mMultiple Airlines
Sun 11/211:55 amKIX - PDX
2 stops19h 44mMultiple Airlines
Deal found 3/31$592
This Cheapflightsfares deal was found by Cheapflights users on 4/1. 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 9/237:00 amPDX - HND
1 stop16h 05mJapan Airlines
Thu 10/24:25 pmHND - PDX
1 stop16h 25mJapan Airlines
Deal found 4/1$619
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 4/301:45 pmPDX - HND
1 stop23h 15mUnited Airlines
Tue 5/610:55 pmHND - PDX
1 stop13h 58mUnited Airlines
Deal found 3/31$621
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 5/16:00 amPDX - NRT
1 stop16h 40mUnited Airlines
Sat 5/105:25 pmNRT - PDX
1 stop16h 52mUnited Airlines
Deal found 3/31$622
This Delta deal was found by Cheapflights users on 3/31. 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.
Fri 4/257:59 pmPDX - HND
1 stop26h 16mDelta
Mon 5/54:05 pmHND - PDX
1 stop14h 25mDelta
Deal found 3/31$623

Cheapflights Fare Finder

Customize your flight search to find flights from Washington to Japan 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 April 1, 2025.
Use the filters below to find and compare flights from Washington to Japan that are best for you.

Fly from

Washington

Fly to

Japan

Route

Depart

Return

Price

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/9

5:30 am-2:50 pm

1 stop17h 20m

Osaka Kansai Intl

Tue 9/16

6:45 am-2:42 pm

2 stops23h 57m

$564

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-6:00 am

1 stop25h 15m

$568

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Mon 4/21

6:00 am-6:45 pm

1 stop20h 45m

Osaka Kansai Intl

Wed 4/30

5:55 pm-10:21 pm

1 stop20h 26m

$569

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/9

5:30 am-2:50 pm

1 stop17h 20m

Osaka Kansai Intl

Tue 9/16

4:50 pm-6:36 pm

1 stop17h 46m

$574

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Mon 4/21

6:00 am-6:45 pm

1 stop20h 45m

Osaka Kansai Intl

Wed 4/30

5:55 pm-12:02 am

2 stops22h 07m

$579

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/9

10:29 am-9:00 pm

2 stops18h 31m

Osaka Kansai Intl

Tue 9/16

12:35 pm-5:06 pm

2 stops20h 31m

$581

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Sun 8/31

9:10 am-9:00 pm

2 stops19h 50m

Osaka Kansai Intl

Sat 9/13

9:05 am-1:19 pm

2 stops20h 14m

$591

PortlandTokyo

PDX - HND

PDXHND

Portland

Tue 9/23

7:00 am-3:05 pm

1 stop16h 05m

Tokyo Haneda

Thu 10/2

4:25 pm-4:50 pm

1 stop16h 25m

$619

PortlandTokyo

PDX - HND

PDXHND

Portland

Wed 4/30

1:45 pm-5:00 am

1 stop23h 15m

Tokyo Haneda

Tue 5/6

10:55 pm-8:53 pm

1 stop13h 58m

$621

PortlandTokyo

PDX - NRT

PDXNRT

Portland

Thu 5/1

6:00 am-2:40 pm

1 stop16h 40m

Tokyo Narita

Sat 5/10

5:25 pm-6:17 pm

1 stop16h 52m

$622

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan 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 Japan

What is the cheapest month to book a flight from State of Washington to Japan?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Japan (average of $866). Flying from State of Washington to Japan in December is currently the most expensive (average of $1,670). 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 JP?

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

When flying from State of Washington to Japan, 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 Japan by month

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

In terms of precipitation, rainfall in Japan ranges from 2.0 - 8.3 inches per month. September is typically the wettest month, when rainfall can reach 8.3 in. January is typically the driest time to visit Japan when rainfall is around 2.0 in.

Temperature in Japan by month

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

If weather is an important factor for your trip to Japan, 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 80.6 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 Japan

Get insights into the airlines that provide service to Japan. 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 Japan. Reviews last updated April 1, 2025.
See what other customers who have flown with STARLUX Airlines, EVA Air and Korean Air from Washington to Japan have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Boarding

9.0

Crew

9.3

Overall

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
146 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Boarding

9.0

Crew

9.3

Overall

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
1,170 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Boarding

9.0

Crew

9.3

Overall

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
1,052 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Boarding

9.0

Crew

9.3

Overall

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
146 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Boarding

9.0

Crew

9.3

Overall

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
8.3
Very good
830 reviews
STARLUX Airlines
9.1
Wonderful
146 reviews

Comfort

9.0

Food

8.9

Entertainment

9.0

Boarding

9.0

Crew

9.3

Overall

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 Japan. 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 Japan one-way?

    One-way options have recently been found by users for as low as $361 on United Airlines. Other airlines that offer cheap prices include American Airlines from $365 and Korean Air from $366 one-way.

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

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

  • How can I find direct flights from Washington to Japan?

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

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

    Yes. Cheapflights offers flight deals from Washington to Japan 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 Japan?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Japan (average of $866). Flying from State of Washington to Japan in December is currently the most expensive (average of $1,670). 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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Top 10 airlines flying from Washington to Japan

Discover the top 10 airlines that operate flights from Washington to Japan. 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$1,439FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$494Average$1,152FlexibilityNo cancel feeOn-time67%
Hawaiian AirlinesCheapest$529Average$1,122FlexibilityNo cancel feeOn-time85%
Asiana AirlinesCheapest$648Average$921FlexibilityNo cancel feeOn-time76%
ANACheapest$697Average$1,185FlexibilityNo cancel feeOn-time80%
Alaska AirlinesCheapest$700Average$1,088FlexibilityNo cancel feeOn-time75%
China EasternCheapest$719Average$756FlexibilityNo cancel feeOn-time62%
Japan AirlinesCheapest$720Average$1,266FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$722Average$1,188FlexibilityNo cancel feeOn-time69%
Philippine AirlinesCheapest$750Average$873FlexibilityNo cancel feeOn-time60%

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