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$333+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FUK
Jun 14 — Jun 211
Sun 6/14
Sun 6/21
1 adult, Economy
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Cheap 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 May 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:02 pm
SEA
-
NRT
1 stop15h 58m
Multiple Airlines
Tue 9/229:30 pm
NRT
-
SEA
1 stop15h 02m
Multiple Airlines
Deal found 5/11$862
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:35 am
SEA
-
NRT
1 stop19h 25m
Multiple Airlines
Tue 9/89:30 pm
NRT
-
SEA
1 stop16h 13m
Multiple Airlines
Deal found 5/11$864
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:02 pm
SEA
-
NRT
1 stop15h 58m
Multiple Airlines
Thu 9/109:30 pm
NRT
-
SEA
1 stop17h 40m
Multiple Airlines
Deal found 5/13$868
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:34 am
PDX
-
NRT
1 stop17h 26m
Multiple Airlines
Sun 9/139:30 pm
NRT
-
PDX
1 stop27h 37m
Multiple Airlines
Deal found 5/10$871
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:50 pm
PDX
-
NRT
1 stop33h 10m
Multiple Airlines
Tue 9/229:30 pm
NRT
-
PDX
1 stop15h 20m
Multiple Airlines
Deal found 5/11$872
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:34 am
PDX
-
NRT
1 stop17h 26m
Multiple Airlines
Tue 9/229:30 pm
NRT
-
PDX
1 stop15h 20m
Multiple Airlines
Deal found 5/11$873
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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 9/611:10 pm
SEA
-
NRT
1 stop29h 10m
Philippine Airlines
Wed 9/169:15 am
NRT
-
SEA
1 stop26h 50m
Philippine Airlines
Deal found 5/10$874
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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 9/611:10 pm
SEA
-
HND
1 stop22h 25m
Philippine Airlines
Wed 9/162:55 pm
HND
-
SEA
1 stop21h 10m
Philippine Airlines
Deal found 5/10$874
This Trip.com deal was found by Cheapflights users on 5/12. 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.
Wed 8/1211:10 pm
SEA
-
NRT
1 stop29h 10m
Multiple Airlines
Tue 9/89:30 pm
NRT
-
SEA
2 stops28h 30m
Multiple Airlines
Deal found 5/12$876
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:00 am
SEA
-
KIX
1 stop33h 45m
Hainan Airlines
Fri 9/112:20 pm
KIX
-
SEA
1 stop34h 40m
Hainan Airlines
Deal found 5/13$876
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:46 pm
PDX
-
NRT
1 stop22h 54m
Multiple Airlines
Thu 9/109:30 pm
NRT
-
PDX
1 stop17h 21m
Multiple Airlines
Deal found 5/10$879
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:50 pm
PDX
-
NRT
1 stop33h 10m
Multiple Airlines
Tue 9/159:30 pm
NRT
-
PDX
1 stop15h 20m
Multiple Airlines
Deal found 5/10$880

Find flight deals from Washington to Japan

Keep the following information in mind while searching for Washington to Japan flight deals. Data was last updated May 15, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$862
(Kiwi.com)

One-way from

$333
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$955

Good round-trip deal

$892 or less

Good one-way deal

$443 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. 12% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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

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 May 15, 2026.
Use the filters below to find and compare flights from Washington to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Tue 11/10

10:50 am-3:35 pm

1 stop35h 45m

Tokyo Narita

Tue 11/24

6:00 pm-9:10 am

1 stop32h 10m

$974

SeattleOkinawa

SEA - OKA

SEAOKA

Seattle/Tacoma Intl

Mon 8/3

4:30 pm-11:15 pm

1 stop14h 45m

Okinawa Naha

Thu 8/13

1:05 pm-2:25 pm

2 stops17h 20m

$1,069

SeattleKobe

SEA - UKB

SEAUKB

Seattle/Tacoma Intl

Tue 8/4

4:30 pm-9:45 pm

1 stop13h 15m

Kobe

Tue 8/25

9:15 pm-2:25 pm

1 stop33h 10m

$1,075
Quickest round-trip

PortlandTokyo

PDX - HND

PDXHND

Portland

Sun 9/13

7:00 am-1:55 pm

1 stop14h 55m

Tokyo Haneda

Fri 10/2

10:55 pm-9:05 pm

1 stop14h 10m

$1,087

PortlandTokyo

PDX - NRT

PDXNRT

Portland

Wed 7/8

5:15 am-3:00 pm

1 stop17h 45m

Tokyo Narita

Tue 7/21

5:00 pm-12:50 am

1 stop23h 50m

$1,089

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Wed 9/30

7:11 am-3:00 pm

1 stop15h 49m

Tokyo Narita

Fri 10/30

4:45 pm-9:56 pm

2 stops21h 11m

$1,093

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Mon 7/13

7:00 am-1:55 pm

1 stop14h 55m

Tokyo Haneda

Fri 7/17

3:50 pm-1:29 am

1 stop25h 39m

$1,093

PortlandOsaka

PDX - ITM

PDXITM

Portland

Sun 9/6

11:15 am-5:05 pm

2 stops37h 50m

Osaka Itami

Wed 9/9

12:50 pm-10:45 pm

2 stops25h 55m

$1,097

PortlandOsaka

PDX - ITM

PDXITM

Portland

Wed 10/28

7:30 am-6:10 pm

2 stops18h 40m

Osaka Itami

Thu 11/12

1:00 pm-12:25 pm

2 stops16h 25m

$1,097

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Mon 8/24

12:25 pm-9:35 pm

1 stop41h 10m

Tokyo Haneda

Mon 8/31

10:05 am-9:42 pm

2 stops27h 37m

$1,111

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/10

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from State of Washington to Japan?

To ensure you get the cheapest price possible for a flight from State of Washington to Japan, you should look to book at least 83 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from State of Washington to Japan (average of $675). Flying from State of Washington to Japan in May is currently the most expensive (average of $1,140). 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 May 15, 2026.

It’s typically best to fly out from State of Washington to Japan in the afternoon. Doing so could potentially save you 12% on the flight price compared to flying at noon, which is usually more expensive.

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.

  • How long is the flight from State of Washington to Japan?

    For as low as $1,069, Cathay Pacific can have you in Japan from State of Washington in 14h 45m. Airlines will cover a distance of 5749 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $83 on Frontier. Other airlines that offer cheap prices include United Airlines from $147 and American Airlines from $175 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, January is the cheapest month in which you can book a flight from State of Washington to Japan (average of $675). Flying from State of Washington to Japan in May is currently the most expensive (average of $1,140). 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

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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 May 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$317Average$381FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$370Average$766FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$450Average$796FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$547Average$709FlexibilityNo cancel feeOn-time76%
Hawaiian AirlinesCheapest$586Average$860FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$596Average$1,128FlexibilityNo cancel feeOn-time69%
ANACheapest$614Average$848FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$626Average$808FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$627Average$949FlexibilityNo cancel feeOn-time79%
DeltaCheapest$645Average$1,039FlexibilityNo cancel feeOn-timeN/A

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