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$367+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FUK
Apr 27 — May 41
Mon 4/27
Mon 5/4
1 adult, Economy
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Cheap 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 March 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/267:10 am
SEA
-
NRT
1 stop20h 50m
Multiple Airlines
Tue 5/124:25 pm
NRT
-
SEA
1 stop21h 53m
Multiple Airlines
Deal found 3/25$673
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Wed 4/228:05 pm
SEA
-
NRT
1 stop26h 45m
Multiple Airlines
Wed 5/134:25 pm
NRT
-
SEA
1 stop32h 45m
Multiple Airlines
Deal found 3/26$702
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 5/118:15 pm
SEA
-
NRT
1 stop26h 35m
Multiple Airlines
Mon 5/184:25 pm
NRT
-
SEA
1 stop31h 52m
Multiple Airlines
Deal found 3/26$704
This Kiwi.com deal was found by Cheapflights users on 3/26. 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
Tue 5/54:25 pm
NRT
-
SEA
1 stop21h 37m
Multiple Airlines
Deal found 3/26$706
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 4/279:24 pm
SEA
-
NRT
1 stop25h 26m
Multiple Airlines
Wed 5/134:25 pm
NRT
-
SEA
1 stop32h 45m
Multiple Airlines
Deal found 3/26$707
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:05 pm
SEA
-
NRT
1 stop31h 55m
Multiple Airlines
Tue 5/124:25 pm
NRT
-
SEA
1 stop16h 35m
Multiple Airlines
Deal found 3/25$708
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:15 pm
SEA
-
NRT
1 stop26h 35m
Multiple Airlines
Tue 5/194:25 pm
NRT
-
SEA
1 stop32h 45m
Multiple Airlines
Deal found 3/25$709
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:15 am
SEA
-
NRT
1 stop15h 35m
Multiple Airlines
Mon 5/184:25 pm
NRT
-
SEA
1 stop31h 52m
Multiple Airlines
Deal found 3/25$710
This eDestinos deal was found by Cheapflights users on 3/26. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:00 am
SEA
-
HND
1 stop18h 50m
Korean Air
Tue 11/242:00 am
HND
-
SEA
1 stop24h 00m
Korean Air
Deal found 3/26$752
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:55 am
SEA
-
HND
1 stop30h 35m
Asiana Airlines
Wed 9/161:30 am
HND
-
SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/27$754
This oojo deal was found by Cheapflights users on 3/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:55 am
SEA
-
HND
1 stop30h 35m
Asiana Airlines
Mon 10/121:30 am
HND
-
SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/27$755
This WhyPayMore deal was found by Cheapflights users on 3/27. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:55 am
SEA
-
HND
1 stop30h 35m
Asiana Airlines
Mon 9/141:30 am
HND
-
SEA
1 stop29h 25m
Asiana Airlines
Deal found 3/27$756

Find flight deals from Seattle to Japan

Keep the following information in mind while searching for Seattle to Japan flight deals. Data was last updated March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$673
(Kiwi.com)

One-way from

$367
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$868

Good round-trip deal

$775 or less

Good one-way deal

$382 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 Seattle/Tacoma Intl to Japan
Search Deals
One-way flight from Seattle/Tacoma Intl 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 March 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Japan.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Japan.
Search Deals

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 March 28, 2026.
Use the filters below to find and compare flights from Seattle to Japan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleFukuoka

SEA - FUK

SEAFUK

Seattle/Tacoma Intl

Sun 9/13

12:55 am-3:25 pm

1 stop22h 30m

Fukuoka

Thu 10/22

4:25 pm-2:55 pm

1 stop14h 30m

$809

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Tue 8/25

12:55 am-6:25 pm

1 stop25h 30m

Tokyo Narita

Fri 9/4

9:00 am-2:55 pm

1 stop21h 55m

$813

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sun 9/13

12:55 am-9:00 am

1 stop16h 05m

Osaka Kansai Intl

Wed 9/16

7:45 pm-2:55 pm

1 stop35h 10m

$816

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sun 5/3

12:50 pm-9:05 pm

1 stop16h 15m

Tokyo Narita

Wed 5/20

9:20 am-10:40 am

1 stop17h 20m

$855

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Tue 8/25

7:35 pm-4:25 am

1 stop16h 50m

Tokyo Haneda

Thu 9/3

3:50 pm-2:22 pm

1 stop14h 32m

$859

SeattleOsaka

SEA - ITM

SEAITM

Seattle/Tacoma Intl

Tue 8/4

7:00 am-5:05 pm

2 stops18h 05m

Osaka Itami

Tue 8/25

12:50 pm-6:29 pm

2 stops21h 39m

$861

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sun 9/6

7:20 am-10:40 pm

2 stops23h 20m

Osaka Kansai Intl

Tue 9/22

9:05 am-10:40 am

1 stop17h 35m

$863

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Tue 9/1

7:20 am-3:35 pm

2 stops40h 15m

Tokyo Narita

Tue 9/15

5:20 pm-3:24 pm

2 stops38h 04m

$871

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Mon 6/29

4:20 pm-5:15 pm

2 stops32h 55m

Tokyo Narita

Wed 8/26

8:55 pm-3:24 pm

2 stops34h 29m

$871

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Tue 8/4

7:20 am-10:40 pm

2 stops23h 20m

Osaka Kansai Intl

Tue 8/25

9:05 am-4:55 pm

2 stops23h 50m

$874

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Seattle to Japan (average of $370). Flying from Seattle 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 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 March 28, 2026.

It’s typically best to fly out from Seattle 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.

How often are flights from Seattle to Japan delayed?

About 18% of weekly flights between Seattle and Japan have experienced delays in the past year, with the average delay time being 119 minutes.

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

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

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

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

Over the last year, ANA have had the lowest number of delays on this route, with just 8% of flights being delayed.

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 March 28, 2026.
Get a feel of what it's like to fly with ANA,Japan Airlines, andAlaska 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
1,148 reviews

Food

7.8

Comfort

8.2

Crew

8.7

Overall

8.4

Boarding

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
ANA
8.4
Very good
1,148 reviews
ANA
8.4
Very good
1,148 reviews

Food

7.8

Comfort

8.2

Crew

8.7

Overall

8.4

Boarding

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
Japan Airlines
8.3
Very good
1,750 reviews
ANA
8.4
Very good
1,148 reviews

Food

7.8

Comfort

8.2

Crew

8.7

Overall

8.4

Boarding

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
Alaska Airlines
7.9
Good
12,132 reviews
ANA
8.4
Very good
1,148 reviews

Food

7.8

Comfort

8.2

Crew

8.7

Overall

8.4

Boarding

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
Delta
7.9
Good
8,355 reviews
ANA
8.4
Very good
1,148 reviews

Food

7.8

Comfort

8.2

Crew

8.7

Overall

8.4

Boarding

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!
United Airlines
7.4
Good
9,499 reviews
ANA
8.4
Very good
1,148 reviews

Food

7.8

Comfort

8.2

Crew

8.7

Overall

8.4

Boarding

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BKK - NRT

Really enjoyed fly with ANA for our first time. Thank you!

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 $855, Asiana Airlines can have you in Japan from Seattle in 16h 15m. The distance between Seattle and Japan is about 4754 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 Frontier ($83), Delta ($173), and American Airlines ($175).

  • 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, January is the cheapest month in which you can book a flight from Seattle to Japan (average of $370). Flying from Seattle 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.

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 March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$370Average$735FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$450Average$796FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$547Average$700FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$596Average$1,060FlexibilityNo 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$981FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$645Average$1,092FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$683Average$932FlexibilityNo cancel feeOn-time85%

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