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$329+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FUK
May 1 — May 81
Fri 5/1
Fri 5/8
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 April 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:57 am
SEA
-
NRT
2 stops41h 03m
Multiple Airlines
Fri 5/152:35 pm
NRT
-
SEA
1 stop20h 00m
Multiple Airlines
Deal found 3/29$708
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:05 pm
SEA
-
NRT
1 stop31h 55m
Multiple Airlines
Tue 5/54:25 pm
NRT
-
SEA
1 stop19h 21m
Multiple Airlines
Deal found 3/31$712
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:10 am
SEA
-
NRT
1 stop19h 50m
Multiple Airlines
Wed 5/64:25 pm
NRT
-
SEA
1 stop21h 37m
Multiple Airlines
Deal found 3/31$713
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:19 am
PDX
-
NRT
1 stop14h 41m
Multiple Airlines
Mon 8/246:00 pm
NRT
-
PDX
1 stop14h 49m
Multiple Airlines
Deal found 3/31$716
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/215:45 pm
PDX
-
NRT
1 stop30h 15m
Multiple Airlines
Tue 5/56:00 pm
NRT
-
PDX
1 stop16h 36m
Multiple Airlines
Deal found 3/30$717
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:57 am
SEA
-
NRT
2 stops35h 53m
Multiple Airlines
Fri 5/152:35 pm
NRT
-
SEA
1 stop20h 00m
Multiple Airlines
Deal found 3/29$722
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 4/283:15 pm
PDX
-
NRT
1 stop31h 40m
Air Canada
Tue 5/54:30 pm
NRT
-
PDX
1 stop33h 00m
Air Canada
Deal found 3/31$722
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:05 am
PDX
-
NRT
1 stop20h 55m
Multiple Airlines
Tue 5/124:25 pm
NRT
-
PDX
1 stop33h 25m
Multiple Airlines
Deal found 3/31$723
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:30 pm
SEA
-
NRT
Nonstop10h 30m
Alaska Airlines
Tue 5/56:00 pm
NRT
-
SEA
Nonstop9h 15m
Alaska Airlines
Deal found 3/31$724
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:05 am
PDX
-
NRT
1 stop20h 55m
Multiple Airlines
Mon 5/114:25 pm
NRT
-
PDX
1 stop33h 02m
Multiple Airlines
Deal found 3/31$724
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
PDX
-
NRT
1 stop21h 00m
Multiple Airlines
Wed 5/64:25 pm
NRT
-
PDX
1 stop13h 24m
Multiple Airlines
Deal found 3/31$725
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
PDX
-
NRT
1 stop18h 00m
Multiple Airlines
Mon 5/46:00 pm
NRT
-
PDX
1 stop12h 36m
Multiple Airlines
Deal found 3/31$729

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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$684
(Kiwi.com)

One-way from

$329
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$873

Good round-trip deal

$805 or less

Good one-way deal

$392 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. 13% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 1, 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

SeattleKobe

SEA - UKB

SEAUKB

Seattle/Tacoma Intl

Sun 5/3

12:50 pm-10:55 am

1 stop30h 05m

Kobe

Wed 5/13

11:55 am-10:40 am

1 stop14h 45m

$801

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Wed 9/9

6:54 am-2:50 pm

1 stop15h 56m

Osaka Kansai Intl

Thu 9/24

4:55 pm-2:17 pm

1 stop13h 22m

$823

PortlandTokyo

PDX - HND

PDXHND

Portland

Tue 4/21

7:15 am-1:55 pm

1 stop14h 40m

Tokyo Haneda

Tue 5/5

9:55 pm-12:33 am

2 stops18h 38m

$834

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Mon 9/14

11:40 am-2:15 pm

Nonstop10h 35m

Tokyo Haneda

Fri 9/25

4:05 pm-9:25 am

Nonstop9h 20m

$838

PortlandOsaka

PDX - KIX

PDXKIX

Portland

Sun 9/6

6:30 am-11:20 am

2 stops36h 50m

Osaka Kansai Intl

Tue 9/8

2:15 am-4:33 pm

2 stops30h 18m

$845

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Wed 9/2

6:29 am-2:15 pm

1 stop15h 46m

Tokyo Narita

Thu 10/1

4:45 pm-9:12 pm

2 stops20h 27m

$852

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sat 8/15

7:35 pm-1:55 pm

1 stop26h 20m

Tokyo Haneda

Wed 9/2

9:15 pm-2:25 pm

Nonstop9h 10m

$854

PortlandTokyo

PDX - HND

PDXHND

Portland

Fri 4/24

9:05 am-2:15 pm

1 stop13h 10m

Tokyo Haneda

Sun 5/3

4:35 pm-7:17 pm

1 stop18h 42m

$855

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sun 9/13

12:50 pm-9:05 pm

1 stop16h 15m

Tokyo Narita

Fri 9/25

9:20 am-10:40 am

1 stop17h 20m

$855

SeattleKobe

SEA - UKB

SEAUKB

Seattle/Tacoma Intl

Tue 4/28

12:50 pm-10:55 am

1 stop30h 05m

Kobe

Mon 5/11

6:55 pm-10:40 am

1 stop31h 45m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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

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 $370). Flying from State of Washington to Japan in June is currently the most expensive (average of $740). 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, 2026.

It’s typically best to fly out from State of Washington to Japan in the afternoon. Doing so could potentially save you 13% 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 $741, Delta can have you in Japan from State of Washington in 10h 35m. Airlines will cover a distance of 4788 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 Delta from $173 and United 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 $370). Flying from State of Washington to Japan in June is currently the most expensive (average of $740). 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.
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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, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$370Average$754FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$450Average$796FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$547Average$700FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$596Average$1,084FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$602Average$793FlexibilityNo cancel feeOn-time81%
ANACheapest$614Average$861FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$626Average$947FlexibilityNo cancel feeOn-time79%
DeltaCheapest$644Average$1,054FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$645Average$1,092FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$683Average$859FlexibilityNo cancel feeOn-time85%

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