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$302+ Cheap flights from Seattle (SEA) 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FUK
oct. 25 — nov. 11
sáb. 10/25
sáb. 11/1
1 adult, Economy
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Cheap flight deals from Seattle to Japan

Keep the following information in mind while searching for Seattle to Japan flight deals. Data was last updated septiembre 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$578
(CrystalTravel)

One-way from

$302
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$785

Good round-trip deal

$722 or less

Good one-way deal

$418 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Tokyo (TYO) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Tokyo (TYO) flights.
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From Seattle/Tacoma Intl to Japan
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One-way flight from Seattle/Tacoma Intl to Japan
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Highest demand for flights based on searches. 7% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Japan.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Japan.
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Find flight deals from Seattle to Japan

Cheapest flights from Seattle to Japan
Explore the most affordable flight options available from Seattle to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 25, 2025.

This FlightHub deal was found by Cheapflights users on 9/23. 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.
mar. 12/212:10 amSEA - KIX
1 stop27h 45mAsiana Airlines
mié. 1/1410:50 amKIX - SEA
1 stop20h 05mAsiana Airlines
Deal found 9/23$568
This CrystalTravel deal was found by Cheapflights users on 9/23. 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.
mié. 12/37:00 amSEA - KIX
1 stop16h 40mANA
mié. 1/145:35 pmKIX - SEA
1 stop12h 45mANA
Deal found 9/23$572
This CrystalTravel deal was found by Cheapflights users on 9/23. 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.
mar. 10/217:00 amSEA - KIX
1 stop15h 50mANA
mar. 10/286:35 pmKIX - SEA
1 stop13h 40mANA
Deal found 9/23$579
This Flighttix deal was found by Cheapflights users on 9/24. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/107:00 amSEA - KIX
1 stop16h 40mUnited Airlines
mar. 11/258:20 amKIX - SEA
1 stop22h 00mUnited Airlines
Deal found 9/24$582
This FlightHub deal was found by Cheapflights users on 9/23. 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.
lun. 11/312:10 amSEA - OKA
1 stop18h 45mAsiana Airlines
mar. 11/181:00 pmOKA - SEA
1 stop17h 55mAsiana Airlines
Deal found 9/23$583
This FlightHub deal was found by Cheapflights users on 9/24. 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.
mar. 11/113:40 pmSEA - CTS
1 stop14h 25mANA
jue. 12/112:35 pmCTS - SEA
2 stops15h 45mANA
Deal found 9/24$590
This Gotogate deal was found by Cheapflights users on 9/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/113:40 pmSEA - FUK
1 stop24h 20mANA
mar. 11/188:45 pmFUK - SEA
1 stop33h 35mANA
Deal found 9/23$591
This Gotogate deal was found by Cheapflights users on 9/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/103:40 pmSEA - UKB
1 stop23h 20mANA
mar. 11/259:15 pmUKB - SEA
1 stop33h 05mANA
Deal found 9/24$592
This FlightHub deal was found by Cheapflights users on 9/24. 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.
lun. 10/204:30 pmSEA - FUK
1 stop34h 35mANA
vie. 11/72:15 pmFUK - SEA
1 stop16h 05mANA
Deal found 9/24$592
This Cheapflightsfares deal was found by Cheapflights users on 9/24. 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.
mar. 11/113:40 pmSEA - ITM
1 stop22h 50mANA
jue. 11/203:00 pmITM - SEA
1 stop15h 20mANA
Deal found 9/24$593
This FlightHub deal was found by Cheapflights users on 9/23. 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.
lun. 11/173:40 pmSEA - UKB
1 stop23h 20mANA
mié. 12/39:15 pmUKB - SEA
1 stop33h 05mANA
Deal found 9/23$594
This FlightHub deal was found by Cheapflights users on 9/25. 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.
mar. 11/253:40 pmSEA - ITM
1 stop26h 30mANA
mié. 12/38:20 pmITM - SEA
1 stop34h 00mANA
Deal found 9/25$595

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 septiembre 25, 2025.
Use the filters below to find and compare flights from Seattle to Japan that are best for you.

Fly from

Seattle

Fly to

Japan

Route

Depart

Return

Price

SeattleOkinawa

SEA - OKA

SEAOKA

Seattle/Tacoma Intl

dom. 11/9

12:10 am-11:55 am

1 stop18h 45m

Okinawa Naha

lun. 11/17

1:00 pm-1:55 pm

1 stop17h 55m

$583

SeattleOkinawa

SEA - OKA

SEAOKA

Seattle/Tacoma Intl

lun. 11/3

12:10 am-11:55 am

1 stop18h 45m

Okinawa Naha

mar. 11/18

1:00 pm-1:55 pm

1 stop17h 55m

$583

SeattleSapporo

SEA - CTS

SEACTS

Seattle/Tacoma Intl

mar. 11/11

3:40 pm-11:05 pm

1 stop14h 25m

Sapporo Chitose

jue. 12/11

2:35 pm-1:20 pm

2 stops15h 45m

$590

SeattleKobe

SEA - UKB

SEAUKB

Seattle/Tacoma Intl

lun. 11/10

3:40 pm-8:00 am

1 stop23h 20m

Kobe

mar. 11/25

9:15 pm-1:20 pm

1 stop33h 05m

$592

SeattleFukuoka

SEA - FUK

SEAFUK

Seattle/Tacoma Intl

lun. 10/20

4:30 pm-7:05 pm

1 stop34h 35m

Fukuoka

vie. 11/7

2:15 pm-1:20 pm

1 stop16h 05m

$592

SeattleKobe

SEA - UKB

SEAUKB

Seattle/Tacoma Intl

lun. 12/8

3:40 pm-8:00 am

1 stop23h 20m

Kobe

mar. 12/23

9:15 pm-1:20 pm

1 stop33h 05m

$595

SeattleSapporo

SEA - CTS

SEACTS

Seattle/Tacoma Intl

lun. 12/8

3:40 pm-9:45 am

1 stop25h 05m

Sapporo Chitose

mié. 12/17

11:00 am-1:20 pm

2 stops19h 20m

$596

SeattleOkinawa

SEA - OKA

SEAOKA

Seattle/Tacoma Intl

dom. 11/9

5:59 pm-5:05 pm

2 stops30h 06m

Okinawa Naha

lun. 11/17

6:05 pm-9:00 am

1 stop31h 55m

$603

SeattleFukuoka

SEA - FUK

SEAFUK

Seattle/Tacoma Intl

mar. 11/18

11:00 am-12:30 pm

1 stop32h 30m

Fukuoka

vie. 12/5

10:30 am-9:00 am

1 stop15h 30m

$606

SeattleSapporo

SEA - CTS

SEACTS

Seattle/Tacoma Intl

dom. 11/2

7:25 am-12:50 pm

2 stops36h 25m

Sapporo Chitose

mié. 4/1

2:05 pm-10:40 am

1 stop36h 35m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to Japan

Have a flexible travel schedule? Discover the best time to fly to Japan from Seattle 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 Seattle to Japan

What is the cheapest month to book a flight from Seattle to Japan?

Currently, February is the cheapest month in which you can book a flight from Seattle to Japan (average of $900). Flying from Seattle to Japan in December is currently the most expensive (average of $1,434). 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 SEA to JP?

Find hourly flight availability from Seattle 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 septiembre 25, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Japan as you normally would.

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 septiembre 25, 2025.
Get a feel of what it's like to fly with ANA, Japan Airlines, and Asiana Airlines from Seattle to Japan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
972 reviews

Boarding

8.6

Entertainment

7.9

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
972 reviews
ANA
8.4
Very good
972 reviews

Boarding

8.6

Entertainment

7.9

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Japan Airlines
8.3
Very good
1,564 reviews
ANA
8.4
Very good
972 reviews

Boarding

8.6

Entertainment

7.9

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Asiana Airlines
8.2
Very good
483 reviews
ANA
8.4
Very good
972 reviews

Boarding

8.6

Entertainment

7.9

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Alaska Airlines
8.0
Very good
10,000 reviews
ANA
8.4
Very good
972 reviews

Boarding

8.6

Entertainment

7.9

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Delta
8.0
Very good
7,973 reviews
ANA
8.4
Very good
972 reviews

Boarding

8.6

Entertainment

7.9

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Japan?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Japan. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Seattle to Japan?

    For as low as $590, Asiana Airlines can have you in Japan from Seattle in 14h 25m. The distance between Seattle and Japan is about 4375 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 Seattle to Japan one-way?

    The cheapest airlines for a one-way flight from Seattle to Japan are Asiana Airlines ($302), Philippine Airlines ($337), and ANA ($387).

  • What are the most popular routes from Seattle to Japan?

    When deciding which route to take from Seattle to Japan consider Seattle/Tacoma Intl - Tokyo Narita, Seattle/Tacoma Intl - Tokyo Haneda or Seattle/Tacoma Intl - Osaka Kansai Intl as they are the most popular.

  • Can I find deals for flights from Seattle to Japan that include hotel bookings?

    Yes. In addition to deals on Seattle to Japan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Japan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Japan.

  • Can I find deals for business class flights from Seattle to Japan?

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Japan?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Japan (average of $900). Flying from Seattle to Japan in December is currently the most expensive (average of $1,434). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Seattle to Japan

Discover the top 10 airlines that operate flights from Seattle 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 septiembre 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$1,127FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$359Average$939FlexibilityNo cancel feeOn-time85%
Asiana AirlinesCheapest$581Average$799FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$669Average$895FlexibilityNo cancel feeOn-time67%
ANACheapest$673Average$927FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$697Average$1,082FlexibilityNo cancel feeOn-time79%
Alaska AirlinesCheapest$700Average$981FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$702Average$1,007FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$705Average$852FlexibilityNo cancel feeOn-time60%
China EasternCheapest$719Average$756FlexibilityNo cancel feeOn-time62%

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