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$276+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FUK
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This CrystalTravel deal was found by Cheapflights users on 12/11. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:40 pmSEA - HND
Nonstop10h 35mANA
Thu 1/159:15 pmHND - SEA
Nonstop9h 05mANA
Deal found 12/11$608
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:10 pmSEA - NRT
Nonstop10h 30mJapan Airlines
Wed 1/286:10 pmNRT - SEA
Nonstop8h 45mJapan Airlines
Deal found 12/10$628
This Air Canada deal was found by Cheapflights users on 12/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:50 amSEA - NRT
1 stop17h 30mAir Canada
Wed 1/216:15 pmNRT - SEA
1 stop20h 51mAir Canada
Deal found 12/12$636
This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:10 pmSEA - NRT
Nonstop10h 30mJapan Airlines
Thu 1/86:10 pmNRT - SEA
Nonstop8h 45mJapan Airlines
Deal found 12/10$638
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:45 pmSEA - HND
Nonstop10h 30mUnited Airlines
Wed 1/289:15 pmHND - SEA
Nonstop9h 05mUnited Airlines
Deal found 12/10$650
This Hawaiian Airlines deal was found by Cheapflights users on 12/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:30 pmSEA - NRT
Nonstop10h 30mAlaska Airlines
Wed 1/286:30 pmNRT - SEA
Nonstop9h 10mAlaska Airlines
Deal found 12/11$651
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 amSEA - HND
Nonstop10h 30mDelta
Wed 1/284:50 pmHND - SEA
Nonstop9h 05mDelta
Deal found 12/11$652
This CrystalTravel deal was found by Cheapflights users on 12/10. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:05 amSEA - NRT
1 stop14h 55mANA
Wed 1/144:45 pmNRT - SEA
1 stop15h 59mANA
Deal found 12/10$654
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/277:05 amSEA - NRT
1 stop14h 55mUnited Airlines
Mon 1/125:00 pmNRT - SEA
1 stop18h 27mUnited Airlines
Deal found 12/11$655
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/293:40 pmSEA - HND
Nonstop10h 35mUnited Airlines
Wed 1/219:15 pmHND - SEA
Nonstop9h 05mUnited Airlines
Deal found 12/10$658
This Hawaiian Airlines deal was found by Cheapflights users on 12/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:30 pmSEA - NRT
Nonstop10h 30mAlaska Airlines
Wed 1/216:30 pmNRT - SEA
Nonstop9h 10mAlaska Airlines
Deal found 12/11$659
This Delta deal was found by Cheapflights users on 12/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:35 amSEA - HND
Nonstop10h 30mDelta
Tue 1/134:50 pmHND - SEA
Nonstop9h 05mDelta
Deal found 12/11$659

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$597
(Flightnetwork)

One-way from

$276
(SmartFares)

Popular in

June

Cheapest in

January

Average price

$1,181

Good round-trip deal

$674 or less

Good one-way deal

$362 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 ($133 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 December 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

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 December 12, 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

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 1/28

12:30 pm-7:55 pm

1 stop14h 25m

Osaka Itami

Tue 2/17

2:40 pm-9:55 am

1 stop12h 15m

$625

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 1/13

12:30 pm-7:55 pm

1 stop14h 25m

Osaka Itami

Tue 1/20

2:40 pm-9:55 am

1 stop12h 15m

$625

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 3/4

12:30 pm-10:00 am

2 stops28h 30m

Osaka Itami

Tue 3/24

7:10 am-10:55 am

2 stops19h 45m

$629

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Wed 3/4

12:30 pm-10:00 am

2 stops28h 30m

Osaka Itami

Mon 3/23

3:30 pm-10:55 am

2 stops35h 25m

$629

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Sat 1/24

3:45 pm-8:10 am

1 stop23h 25m

Osaka Itami

Sat 1/31

2:00 pm-1:20 pm

1 stop16h 20m

$633

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Sun 1/25

9:05 am-3:40 pm

1 stop13h 35m

Tokyo Narita

Sun 2/1

5:40 pm-3:25 pm

1 stop14h 45m

$633

SpokaneTokyo

GEG - NRT

GEGNRT

Spokane

Mon 1/26

5:45 am-3:40 pm

1 stop16h 55m

Tokyo Narita

Mon 2/2

5:40 pm-3:25 pm

1 stop14h 45m

$633

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sat 1/24

3:45 pm-7:15 pm

Nonstop10h 30m

Tokyo Haneda

Sat 1/31

9:15 pm-1:20 pm

Nonstop9h 05m

$635

SeattleNagoya

SEA - NGO

SEANGO

Seattle/Tacoma Intl

Sun 4/19

11:10 pm-12:10 pm

1 stop21h 00m

Nagoya Chubu Centrair Intl

Thu 4/30

1:20 pm-8:05 pm

1 stop22h 45m

$637

SeattleNagoya

SEA - NGO

SEANGO

Seattle/Tacoma Intl

Sun 4/19

4:30 pm-11:55 am

2 stops27h 25m

Nagoya Chubu Centrair Intl

Thu 4/30

9:30 am-2:25 pm

2 stops20h 55m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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, 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 $790). 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 December 12, 2025.

It’s typically best to fly out from State of Washington to Japan in the evening. Doing so could potentially save you 30% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from State of Washington to Japan?

Use this chart to determine the cheapest time to fly round-trip from Washington to Japan. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Japan flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 $635, Japan Airlines can have you in Japan from State of Washington in 10h 30m. 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 $302 on Air Canada. Other airlines that offer cheap prices include Asiana Airlines from $304 and Korean Air from $320 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 $790). 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$359Average$889FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$370Average$771FlexibilityNo cancel feeOn-time75%
Asiana AirlinesCheapest$547Average$743FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$589Average$856FlexibilityNo cancel feeOn-time67%
ANACheapest$618Average$851FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$636Average$1,075FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$644Average$1,037FlexibilityNo cancel feeOn-time69%
DeltaCheapest$699Average$1,114FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$702Average$956FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$730Average$1,049FlexibilityNo cancel feeOn-time70%

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