Japan

$334+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FUK
Aug 2 — Aug 91
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 July 28, 2025.

Round-trip from

$655
(Air Canada)

One-way from

$334
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$998

Good round-trip deal

$756 or less

Good one-way deal

$407 or less
From Washington to Japan
One-way flight from Washington to Japan
Highest demand for flights based on searches. 8% potential increase in price ($93 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Washington to Japan.
Price to beat on a one-way flight from Washington to Japan.

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 July 28, 2025.

This Air Canada deal was found by Cheapflights users on 7/27. 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.
Tue 9/97:40 pmPDX - KIX
1 stop28h 45mAir Canada
Tue 9/166:05 pmKIX - PDX
1 stop20h 56mAir Canada
Deal found 7/27$655
This Expedia deal was found by Cheapflights users on 7/26. 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.
Sat 10/2511:20 amGEG - NRT
2 stops37h 10mAir Canada
Sat 11/15:15 pmNRT - GEG
2 stops36h 30mAir Canada
Deal found 7/26$672
This oojo deal was found by Cheapflights users on 7/26. 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.
Mon 9/152:15 pmSEA - KIX
1 stop27h 25mAsiana Airlines
Mon 9/297:10 pmKIX - SEA
1 stop33h 20mAsiana Airlines
Deal found 7/26$686
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/117:35 pmPDX - KIX
2 stops28h 50mMultiple Airlines
Thu 9/186:05 pmKIX - PDX
1 stop12h 41mMultiple Airlines
Deal found 7/28$696
This oojo deal was found by Cheapflights users on 7/27. 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.
Mon 9/154:50 pmSEA - UKB
2 stops25h 20mKorean Air
Mon 9/296:40 pmUKB - SEA
2 stops42h 56mKorean Air
Deal found 7/27$700
This CrystalTravel deal was found by Cheapflights users on 7/27. 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 8/257:00 amSEA - KIX
1 stop15h 50mANA
Thu 9/46:35 pmKIX - SEA
1 stop11h 50mANA
Deal found 7/27$700
This Cheapflightsfares deal was found by Cheapflights users on 7/26. 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 9/235:30 amPDX - KIX
1 stop17h 20mANA
Thu 10/24:50 pmKIX - PDX
1 stop13h 52mANA
Deal found 7/26$701
This oojo deal was found by Cheapflights users on 7/27. 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.
Wed 9/34:50 pmSEA - KIX
2 stops26h 30mKorean Air
Tue 9/912:35 pmKIX - SEA
2 stops25h 01mKorean Air
Deal found 7/27$703
This Air Canada deal was found by Cheapflights users on 7/27. 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.
Sat 11/13:15 pmPDX - NRT
1 stop33h 05mAir Canada
Thu 11/66:15 pmNRT - PDX
2 stops45h 36mAir Canada
Deal found 7/27$710
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 9/91:45 pmPDX - HND
1 stop22h 45mUnited Airlines
Tue 9/2310:55 pmHND - PDX
1 stop13h 42mUnited Airlines
Deal found 7/28$710
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/287:30 amPDX - NRT
1 stop15h 55mUnited Airlines
Wed 10/85:10 pmNRT - PDX
1 stop13h 32mUnited Airlines
Deal found 7/28$711
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 8/277:15 amPDX - HND
1 stop15h 00mDelta
Fri 9/124:05 pmHND - PDX
1 stop14h 47mDelta
Deal found 7/28$711

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 July 28, 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

7:40 pm-4:25 pm

1 stop28h 45m

Osaka Kansai Intl

Tue 9/16

6:05 pm-11:01 pm

1 stop20h 56m

$655

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Sat 10/25

11:20 am-4:30 pm

2 stops37h 10m

Tokyo Narita

Sat 11/1

5:15 pm-1:45 pm

2 stops36h 30m

$672

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 9/15

2:15 pm-9:40 am

1 stop27h 25m

Osaka Kansai Intl

Mon 9/29

7:10 pm-12:30 pm

1 stop33h 20m

$686

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Thu 9/11

7:35 pm-4:25 pm

2 stops28h 50m

Osaka Kansai Intl

Thu 9/18

6:05 pm-2:46 pm

1 stop12h 41m

$696

SeattleKobe

SEA - UKB

SEAUKB

Seattle/Tacoma Intl

Mon 9/15

4:50 pm-10:10 am

2 stops25h 20m

Kobe

Mon 9/29

6:40 pm-9:36 pm

2 stops42h 56m

$700

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 8/25

7:00 am-2:50 pm

1 stop15h 50m

Osaka Kansai Intl

Thu 9/4

6:35 pm-2:25 pm

1 stop11h 50m

$700

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Tue 9/23

5:30 am-2:50 pm

1 stop17h 20m

Osaka Kansai Intl

Thu 10/2

4:50 pm-2:42 pm

1 stop13h 52m

$701

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Wed 9/3

4:50 pm-11:20 am

2 stops26h 30m

Osaka Kansai Intl

Tue 9/9

12:35 pm-9:36 pm

2 stops25h 01m

$703

PortlandTokyo

PDX - HND

PDXHND

Portland

Tue 9/9

3:44 pm-4:30 am

1 stop20h 46m

Tokyo Haneda

Thu 10/16

10:55 pm-10:45 pm

1 stop15h 50m

$710

PortlandTokyo

PDX - NRT

PDXNRT

Portland

Thu 9/4

7:40 pm-2:55 pm

1 stop27h 15m

Tokyo Narita

Thu 10/23

5:25 pm-8:50 pm

2 stops43h 25m

$710

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 $881). Flying from State of Washington to Japan in December is currently the most expensive (average of $1,622). 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 July 28, 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.

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 July 28, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air, and Korean Air from Washington to Japan. 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.

Food

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Comfort

8.9

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Food

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Comfort

8.9

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Food

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Comfort

8.9

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Food

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Comfort

8.9

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
8.4
Very good

Food

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Comfort

8.9

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Food

8.8

Overall

9.0

Boarding

9.0

Crew

9.2

Comfort

8.9

Entertainment

9.0

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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 $348 on Air Canada. Other airlines that offer cheap prices include Japan Airlines from $353 and ANA from $354 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 $881). Flying from State of Washington to Japan in December is currently the most expensive (average of $1,622). 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.

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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$1,208FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$359Average$888FlexibilityNo cancel feeOn-time85%
Asiana AirlinesCheapest$648Average$855FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$652Average$950FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$669Average$987FlexibilityNo cancel feeOn-time67%
ANACheapest$672Average$1,045FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$681Average$1,084FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$697Average$1,173FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$702Average$1,007FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$705Average$891FlexibilityNo cancel feeOn-time60%

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.