Seattle

$388+ Cheap flights from Japan to Seattle (SEA)

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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
FUK — SEA
Feb 28 — Mar 71
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Japan to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Japan to Seattle

Cheapest flights from Japan to Seattle
Explore the most affordable flight options available from Japan to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This SmartFares deal was found by Cheapflights users on 1/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:30 pm
NRT
-
SEA
Nonstop9h 05m
Alaska Airlines
Sun 3/112:50 pm
SEA
-
NRT
Nonstop10h 10m
Alaska Airlines
Deal found 1/28$598
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Sat 3/211:30 am
HND
-
SEA
1 stop29h 25m
Asiana Airlines
Thu 4/912:55 am
SEA
-
HND
1 stop30h 35m
Asiana Airlines
Deal found 1/27$599
This Delta deal was found by Cheapflights users on 1/27. 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.
Thu 2/124:50 pm
HND
-
SEA
Nonstop9h 10m
Delta
Wed 2/2510:35 am
SEA
-
HND
Nonstop10h 30m
Delta
Deal found 1/27$610
This Hawaiian Airlines deal was found by Cheapflights users on 1/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:30 pm
NRT
-
SEA
Nonstop9h 10m
Alaska Airlines
Sun 3/112:50 pm
SEA
-
NRT
Nonstop10h 10m
Alaska Airlines
Deal found 1/28$610
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/114:50 pm
HND
-
SEA
Nonstop9h 10m
Delta
Thu 2/2610:35 am
SEA
-
HND
Nonstop10h 30m
Delta
Deal found 1/28$611
This Hawaiian Airlines deal was found by Cheapflights users on 1/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:30 pm
NRT
-
SEA
Nonstop9h 10m
Alaska Airlines
Sun 3/112:50 pm
SEA
-
NRT
Nonstop10h 10m
Alaska Airlines
Deal found 1/28$615
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/241:30 am
HND
-
SEA
1 stop29h 25m
Asiana Airlines
Mon 3/3012:55 am
SEA
-
HND
1 stop30h 35m
Asiana Airlines
Deal found 1/28$617
This Hawaiian Airlines deal was found by Cheapflights users on 1/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/36:30 pm
NRT
-
SEA
Nonstop9h 10m
Alaska Airlines
Sun 2/2212:50 pm
SEA
-
NRT
Nonstop10h 10m
Alaska Airlines
Deal found 1/28$617
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/114:50 pm
HND
-
SEA
Nonstop9h 10m
Delta
Tue 3/310:40 am
SEA
-
HND
Nonstop10h 25m
Delta
Deal found 1/28$618
This Delta deal was found by Cheapflights users on 1/27. 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.
Mon 5/114:05 pm
HND
-
SEA
Nonstop9h 10m
Delta
Mon 7/612:00 pm
SEA
-
HND
Nonstop10h 20m
Delta
Deal found 1/27$622
This Hawaiian Airlines deal was found by Cheapflights users on 1/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:30 pm
NRT
-
SEA
Nonstop9h 10m
Alaska Airlines
Tue 3/312:50 pm
SEA
-
NRT
Nonstop10h 10m
Alaska Airlines
Deal found 1/28$622
This Delta deal was found by Cheapflights users on 1/27. 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.
Thu 10/224:05 pm
HND
-
SEA
Nonstop9h 04m
Delta
Mon 11/211:40 am
SEA
-
HND
Nonstop10h 40m
Delta
Deal found 1/27$623

Find flight deals from Japan to Seattle

Keep the following information in mind while searching for Japan to Seattle flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$598
(SmartFares)

One-way from

$388
(oojo)

Popular in

October

Cheapest in

December

Average price

$789

Good round-trip deal

$560 or less

Good one-way deal

$526 or less
Provider with most accurate pricing for Tokyo (TYO)-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Tokyo (TYO)-Seattle/Tacoma Intl flights.
From Japan to Seattle/Tacoma Intl
One-way flight from Japan to Seattle/Tacoma Intl
Highest demand for flights based on searches. 4% potential increase in price ($46 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Japan to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Japan to Seattle/Tacoma Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Japan to Seattle 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 January 29, 2026.
Use the filters below to find and compare flights from Japan to Seattle that are best for you.

Fly from

Japan

Fly to

Seattle

Route

Depart

Return

Price

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Sun 3/22

1:30 am-2:55 pm

1 stop29h 25m

Seattle/Tacoma Intl

Thu 4/9

12:55 am-11:30 pm

1 stop30h 35m

$599

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Fri 2/13

4:50 pm-9:00 am

Nonstop9h 10m

Seattle/Tacoma Intl

Thu 2/26

10:35 am-2:05 pm

Nonstop10h 30m

$611

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Fri 2/13

6:30 pm-10:35 am

Nonstop9h 05m

Seattle/Tacoma Intl

Wed 3/4

12:50 pm-4:00 pm

Nonstop10h 10m

$615

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Tue 3/3

6:30 pm-10:35 am

Nonstop9h 05m

Seattle/Tacoma Intl

Mon 3/9

1:50 pm-4:00 pm

Nonstop10h 10m

$615

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Wed 2/11

6:30 pm-10:40 am

Nonstop9h 10m

Seattle/Tacoma Intl

Tue 3/3

12:50 pm-4:00 pm

Nonstop10h 10m

$615

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Tue 2/3

6:30 pm-10:40 am

Nonstop9h 10m

Seattle/Tacoma Intl

Sun 2/22

12:50 pm-4:00 pm

Nonstop10h 10m

$617

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Tue 3/3

6:30 pm-10:35 am

Nonstop9h 05m

Seattle/Tacoma Intl

Tue 3/10

1:50 pm-4:00 pm

Nonstop10h 10m

$617

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Wed 2/11

4:50 pm-9:00 am

Nonstop9h 10m

Seattle/Tacoma Intl

Tue 3/3

10:40 am-2:05 pm

Nonstop10h 25m

$618

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Tue 2/10

6:30 pm-10:40 am

Nonstop9h 10m

Seattle/Tacoma Intl

Tue 3/3

12:50 pm-4:00 pm

Nonstop10h 10m

$622

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Tue 2/10

4:50 pm-9:00 am

Nonstop9h 10m

Seattle/Tacoma Intl

Wed 2/25

10:35 am-2:05 pm

Nonstop10h 30m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Japan to Seattle

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

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

Currently, November is the cheapest month in which you can book a flight from Japan to Seattle (average of $367). Flying from Japan to Seattle in June is currently the most expensive (average of $734). 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 JP to SEA?

Find hourly flight availability from Japan to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

When flying from Japan to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Japan to Seattle delayed?

About 18% of weekly flights between Japan and Seattle have experienced delays in the past year, with the average delay time being 148 minutes.

What is the most punctual flight time for Japan to Seattle flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Japan to Seattle flights?

Over the last year, ANA have had the lowest number of delays on this route, with just 4% of flights being delayed.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown STARLUX Airlines, ANA, and Alaska Airlines from Japan to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.8

Crew

9.1

Food

8.6

Overall

8.9

Boarding

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.8

Crew

9.1

Food

8.6

Overall

8.9

Boarding

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.
8.4
Very good

Comfort

8.8

Crew

9.1

Food

8.6

Overall

8.9

Boarding

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.8

Crew

9.1

Food

8.6

Overall

8.9

Boarding

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.8

Crew

9.1

Food

8.6

Overall

8.9

Boarding

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Comfort

8.8

Crew

9.1

Food

8.6

Overall

8.9

Boarding

8.9

Entertainment

8.8

Reviews

1 / 10
10.0
Excellent

Anonymous,Jan 2026

SEA - TPE

First time travelled with starlux and had best experience. Food was really good and crew is the best. Entertainment was also best. Having latest movies. I requested for isle seat at the last time and they provided me. Best airline service.

Related info for your journey

Find useful and relevant information for your journey from Japan to Seattle. 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 into for flights to Seattle from Japan?

    For a flight from Japan to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • How long is the flight from Japan to Seattle?

    Asiana Airlines, Delta, and Alaska Airlines can get you from Japan to Seattle in just under 9h 05m. Your travel time can differ by up to 20h 20m. Japan and Seattle are separated by a distance of 4754 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Japan to Seattle one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $347. Users have also found prices from $349 and $371 on Hawaiian Airlines and WestJet, respectively.

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

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Japan to Seattle (average of $367). Flying from Japan to Seattle in June is currently the most expensive (average of $734). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

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.

Top 6 airlines flying from Japan to Seattle

Discover the top 6 airlines that operate flights from Japan to Seattle. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$318Average$1,098FlexibilityNo cancel feeOn-time80%
DeltaCheapest$535Average$967FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$698Average$1,019FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$723Average$1,100FlexibilityNo cancel feeOn-time75%
STARLUX AirlinesCheapest$744Average$858FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$871Average$1,004FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.