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$299+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FUK
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Flightnetwork deal was found by Cheapflights users on 10/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:40 pmSEA - UKB
1 stop23h 20mANA
Sun 12/217:05 amUKB - SEA
1 stop23h 15mANA
Deal found 10/28$623
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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.
Thu 11/273:40 pmSEA - OKA
1 stop24h 35mANA
Thu 12/41:15 pmOKA - SEA
1 stop17h 05mANA
Deal found 10/28$625
This Flightnetwork deal was found by Cheapflights users on 10/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:40 pmSEA - ITM
1 stop25h 30mANA
Fri 12/128:20 pmITM - SEA
1 stop34h 00mANA
Deal found 10/28$625
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 11/303:40 pmSEA - CTS
1 stop25h 05mANA
Sun 12/141:30 pmCTS - SEA
1 stop16h 50mANA
Deal found 10/28$627
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Thu 11/273:40 pmSEA - ITM
1 stop23h 30mANA
Thu 12/46:00 pmITM - SEA
1 stop12h 20mANA
Deal found 10/29$627
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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.
Thu 12/47:00 amSEA - KIX
1 stop16h 40mANA
Thu 12/187:05 amKIX - SEA
1 stop23h 15mANA
Deal found 10/28$627
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Mon 12/83:40 pmSEA - CTS
1 stop13h 55mANA
Mon 12/152:20 pmCTS - SEA
2 stops16h 00mANA
Deal found 10/29$628
This Flightnetwork deal was found by Cheapflights users on 10/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:40 pmSEA - UKB
1 stop23h 20mANA
Fri 12/129:15 pmUKB - SEA
1 stop33h 05mANA
Deal found 10/28$628
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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.
Thu 11/273:40 pmSEA - KIX
1 stop23h 55mANA
Thu 12/43:45 pmKIX - SEA
1 stop14h 35mANA
Deal found 10/29$629
This Flightnetwork deal was found by Cheapflights users on 10/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/53:40 pmSEA - KIX
1 stop13h 40mANA
Sun 12/215:35 pmKIX - SEA
1 stop12h 45mANA
Deal found 10/28$630
This CrystalTravel deal was found by Cheapflights users on 10/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:28 pmSEA - KIX
1 stop28h 12mANA
Sun 12/72:05 pmKIX - SEA
1 stop16h 15mANA
Deal found 10/29$631
This Flightnetwork deal was found by Cheapflights users on 10/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:40 pmSEA - KIX
1 stop30h 05mANA
Fri 12/129:10 pmKIX - SEA
1 stop33h 10mANA
Deal found 10/28$634

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 October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$614
(Cheapflightsfares)

One-way from

$299
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$814

Good round-trip deal

$666 or less

Good one-way deal

$368 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. 4% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 30, 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

SeattleSapporo

SEA - CTS

SEACTS

Seattle/Tacoma Intl

Fri 1/23

3:45 pm-8:30 am

1 stop23h 45m

Sapporo Chitose

Mon 2/2

6:00 pm-1:20 pm

1 stop12h 20m

$616

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Thu 12/4

3:40 pm-10:10 am

1 stop25h 30m

Osaka Itami

Fri 12/12

8:20 pm-1:20 pm

1 stop34h 00m

$625

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Fri 12/5

3:40 pm-9:10 am

1 stop24h 30m

Osaka Itami

Fri 12/12

2:00 pm-1:20 pm

1 stop16h 20m

$627

SeattleSapporo

SEA - CTS

SEACTS

Seattle/Tacoma Intl

Mon 1/12

3:45 pm-10:35 pm

1 stop13h 50m

Sapporo Chitose

Mon 1/26

2:20 pm-1:20 pm

2 stops16h 00m

$628

SeattleSapporo

SEA - CTS

SEACTS

Seattle/Tacoma Intl

Mon 1/19

3:45 pm-10:35 pm

1 stop13h 50m

Sapporo Chitose

Mon 2/2

2:20 pm-1:20 pm

2 stops16h 00m

$628

SeattleOkinawa

SEA - OKA

SEAOKA

Seattle/Tacoma Intl

Mon 11/3

12:10 am-10:40 am

1 stop17h 30m

Okinawa Naha

Tue 11/18

12:00 pm-1:55 pm

1 stop18h 55m

$641

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Thu 2/19

10:35 am-2:05 pm

Nonstop10h 30m

Tokyo Haneda

Mon 3/9

4:50 pm-10:00 am

Nonstop9h 10m

$641

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Thu 11/27

7:00 am-2:50 pm

1 stop14h 50m

Tokyo Haneda

Sat 12/13

10:55 pm-9:00 pm

1 stop15h 05m

$643

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Thu 2/5

3:45 pm-7:15 pm

Nonstop10h 30m

Tokyo Haneda

Sat 2/14

9:05 pm-9:01 pm

2 stops16h 56m

$646

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Thu 12/4

7:00 am-3:20 pm

1 stop15h 20m

Tokyo Narita

Sat 12/13

4:45 pm-3:29 pm

1 stop15h 44m

$651

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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, August is the cheapest month in which you can book a flight from State of Washington to Japan (average of $443). Flying from State of Washington to Japan in June is currently the most expensive (average of $731). 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 October 30, 2025.

It’s typically best to fly out from State of Washington to Japan in the evening. Doing so could potentially save you 28% 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 November 24, 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 $641, ANA 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 $299 on ANA. Other airlines that offer cheap prices include Air Canada from $308 and Japan Airlines from $334 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, August is the cheapest month in which you can book a flight from State of Washington to Japan (average of $443). Flying from State of Washington to Japan in June is currently the most expensive (average of $731). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$1,121FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$359Average$916FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$525Average$867FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$547Average$783FlexibilityNo cancel feeOn-time76%
ANACheapest$621Average$893FlexibilityNo cancel feeOn-time80%
Alaska AirlinesCheapest$670Average$923FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$677Average$972FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$697Average$1,100FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$702Average$1,007FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$705Average$852FlexibilityNo cancel feeOn-time60%

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