HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Japan

$373+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FUK
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Japan 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 Washington to Japan

Keep the following information in mind while searching for Washington to Japan flight deals. Data was last updated April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$688
(Cheapflightsfares)

One-way from

$373
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,068

Good round-trip deal

$821 or less

Good one-way deal

$428 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Tokyo (TYO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Tokyo (TYO) flights.
Search Deals
From Washington to Japan
Search Deals
One-way flight from Washington to Japan
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Washington to Japan.
Search Deals
Price to beat on a one-way flight from Washington to Japan.
Search Deals

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 29, 2025.

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.
Sun 8/315:30 amPDX - KIX
1 stop17h 20mANA
Sun 9/74:50 pmKIX - PDX
1 stop17h 42mANA
Deal found 4/29$688
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
Sun 9/285:30 amPDX - HND
2 stops21h 25mANA
Sun 10/53:50 pmHND - PDX
1 stop18h 42mANA
Deal found 4/28$691
This Expedia 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 Expedia 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 stop17h 55mHawaiian Airlines
Deal found 4/29$693
This FlightHub deal was found by Cheapflights users on 4/28. 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 9/237:45 amPDX - ITM
2 stops17h 20mANA
Thu 10/212:00 pmITM - PDX
2 stops18h 43mANA
Deal found 4/28$694
This United Airlines deal was found by Cheapflights users on 4/28. 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 8/317:35 pmPDX - HND
1 stop16h 55mUnited Airlines
Wed 9/103:50 pmHND - PDX
1 stop22h 47mUnited Airlines
Deal found 4/28$697
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 9/19:25 amGEG - NRT
1 stop14h 35mAlaska Airlines
Mon 9/156:25 pmNRT - GEG
1 stop21h 34mAlaska Airlines
Deal found 4/28$698
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 7/257:37 amPDX - NRT
1 stop14h 53mUnited Airlines
Fri 10/35:00 pmNRT - PDX
1 stop21h 37mUnited Airlines
Deal found 4/28$698
This Delta deal was found by Cheapflights users on 4/28. 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.
Mon 9/87:10 amPDX - HND
1 stop15h 05mDelta
Mon 9/156:25 pmHND - PDX
1 stop17h 03mDelta
Deal found 4/28$698
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 Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 8/309:30 pmPDX - NRT
1 stop26h 30mAlaska Airlines
Mon 9/156:25 pmNRT - PDX
1 stop21h 34mAlaska Airlines
Deal found 4/28$703
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 9/77:45 amPDX - ITM
2 stops17h 20mUnited Airlines
Sat 9/2712:00 pmITM - PDX
2 stops16h 43mUnited Airlines
Deal found 4/29$707
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.
Tue 9/99:10 amPDX - KIX
2 stops19h 50mKorean Air
Tue 9/1612:35 pmKIX - PDX
2 stops16h 44mKorean Air
Deal found 4/29$708

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 29, 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

PortlandTokyo

PDX - HND

PDXHND

Portland

Sun 9/28

5:30 am-6:55 pm

2 stops21h 25m

Tokyo Haneda

Sun 10/5

3:50 pm-6:32 pm

1 stop18h 42m

$691

PortlandTokyo

PDX - HND

PDXHND

Portland

Sun 8/31

7:35 pm-4:30 am

1 stop16h 55m

Tokyo Haneda

Wed 9/10

3:50 pm-10:37 pm

1 stop22h 47m

$697

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 9/1

9:25 am-4:00 pm

1 stop14h 35m

Tokyo Narita

Mon 9/15

6:25 pm-11:59 pm

1 stop21h 34m

$698

PortlandTokyo

PDX - HND

PDXHND

Portland

Mon 9/8

7:10 am-2:15 pm

1 stop15h 05m

Tokyo Haneda

Mon 9/15

6:25 pm-7:28 pm

1 stop17h 03m

$698

PortlandTokyo

PDX - NRT

PDXNRT

Portland

Fri 7/25

7:37 am-2:30 pm

1 stop14h 53m

Tokyo Narita

Fri 10/3

5:00 pm-10:37 pm

1 stop21h 37m

$698

PortlandTokyo

PDX - NRT

PDXNRT

Portland

Sun 7/20

5:15 am-4:00 pm

1 stop18h 45m

Tokyo Narita

Sun 8/3

6:25 pm-7:52 am

1 stop29h 27m

$709

PortlandTokyo

PDX - HND

PDXHND

Portland

Thu 8/21

11:04 am-10:50 pm

2 stops19h 46m

Tokyo Haneda

Wed 9/3

2:00 am-4:04 pm

2 stops30h 04m

$710

PortlandTokyo

PDX - HND

PDXHND

Portland

Sun 9/21

7:45 am-5:35 pm

2 stops17h 50m

Tokyo Haneda

Tue 9/30

1:55 pm-2:43 pm

2 stops16h 48m

$716

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Tue 10/21

2:15 pm-9:50 am

1 stop27h 35m

Osaka Kansai Intl

Thu 10/30

8:25 pm-12:35 pm

1 stop32h 10m

$723

PortlandTokyo

PDX - NRT

PDXNRT

Portland

Wed 5/7

9:10 am-9:05 pm

2 stops19h 55m

Tokyo Narita

Sun 5/25

9:20 am-1:20 pm

2 stops20h 00m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 60 results
1
2
3
...
6

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 $871). Flying from State of Washington to Japan in December is currently the most expensive (average of $1,656). 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 29, 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 29, 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
161 reviews

Comfort

9.0

Boarding

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Crew

9.3

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

Comfort

9.0

Boarding

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Crew

9.3

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

Comfort

9.0

Boarding

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Crew

9.3

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
1,066 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Boarding

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Crew

9.3

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
1,459 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Comfort

9.0

Boarding

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Crew

9.3

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

Comfort

9.0

Boarding

9.0

Overall

9.1

Food

8.9

Entertainment

9.0

Crew

9.3

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 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 $407 on Asiana Airlines. Other airlines that offer cheap prices include ANA from $411 and Alaska Airlines from $418 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 $871). Flying from State of Washington to Japan in December is currently the most expensive (average of $1,656). 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

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 Washington to Japan

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
John F Kennedy Intl to Haneda flights
Newark to Haneda flights
Newark to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
Seattle to Narita flights
Los Angeles to Manila flights
John F Kennedy Intl to Narita flights
Dallas/Fort Worth to Narita flights
Dallas/Fort Worth to Haneda flights
Seattle to Haneda flights
LaGuardia to Haneda flights
LaGuardia to Narita flights
John F Kennedy Intl to Suvarnabhumi flights
San Francisco to Manila flights
Dulles Intl to Haneda flights
Los Angeles to Incheon Intl flights
O'Hare Intl to Narita flights
Los Angeles to Suvarnabhumi flights
Hobby to Haneda flights
John F Kennedy Intl to Incheon Intl flights
Ontario to Narita flights
Hobby to Narita flights
O'Hare Intl to Haneda flights
Newark to New Delhi flights
Boston to Narita flights
John F Kennedy Intl to Hong Kong flights
Seattle to Suvarnabhumi flights
Atlanta to Haneda flights
John F Kennedy Intl to Taiwan Taoyuan Intl flights
Seattle to Incheon Intl flights
San Francisco to Hong Kong flights
Newark to Suvarnabhumi flights
Dulles Intl to Narita flights
George Bush Intcntl to Haneda flights
Ontario to Haneda flights
San Francisco to New Delhi flights
John F Kennedy Intl to New Delhi flights
Denver to Narita flights
John F Kennedy Intl to Hongqiao Intl flights
Burbank to Narita flights
San Francisco to Suvarnabhumi flights
LaGuardia to Suvarnabhumi flights
Dallas/Fort Worth to Suvarnabhumi flights
Los Angeles to Ho Chi Minh City flights
San Diego to Narita flights
San Francisco to Incheon Intl flights
John F Kennedy Intl to Manila flights

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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$1,307FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$359Average$1,117FlexibilityNo cancel feeOn-time85%
Asiana AirlinesCheapest$648Average$903FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$652Average$976FlexibilityNo cancel feeOn-time75%
ANACheapest$672Average$1,084FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$716Average$1,128FlexibilityNo cancel feeOn-time81%
China EasternCheapest$719Average$756FlexibilityNo cancel feeOn-time62%
Japan AirlinesCheapest$720Average$1,291FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$721Average$1,181FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$730Average$1,031FlexibilityNo cancel feeOn-time70%

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.