$323+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
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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 Seattle to Japan
Cheapest flights from Seattle to JapanExplore 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 December 28, 2025.
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 December 28, 2025.
This Air Canada deal was found by Cheapflights users on 12/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 12/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 12/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 12/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 12/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 12/28. 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.
This Air Canada deal was found by Cheapflights users on 12/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 12/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 12/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 12/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 12/26. 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.
This oojo deal was found by Cheapflights users on 12/28. 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.
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 December 28, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $604 (Air Canada) |
One-way from | $323 (Air Canada) |
Popular in | June |
Cheapest in | January |
Average price | $1,190 |
Good round-trip deal | $667 or less |
Good one-way deal | $361 or less |
Cheapflights Fare Finder
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
SeattleOsaka
SEA - ITM
SEAITM
Seattle/Tacoma Intl
Sat 1/24
6:00 am-8:05 pm
2 stops21h 05m
Osaka Itami
Sun 2/1
3:25 pm-9:18 am
2 stops34h 53m
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-8:58 am
2 stops35h 18m
SeattleOkinawa
SEA - OKA
SEAOKA
Seattle/Tacoma Intl
Sat 1/24
3:45 pm-9:40 am
1 stop24h 55m
Okinawa Naha
Sat 1/31
1:15 pm-1:20 pm
2 stops17h 05m
SeattleOkinawa
SEA - OKA
SEAOKA
Seattle/Tacoma Intl
Sat 1/31
3:45 pm-9:40 am
1 stop24h 55m
Okinawa Naha
Sat 2/14
1:15 pm-1:20 pm
2 stops17h 05m
SeattleSapporo
SEA - CTS
SEACTS
Seattle/Tacoma Intl
Sat 1/24
3:45 pm-10:15 am
1 stop25h 30m
Sapporo Chitose
Sun 2/1
11:35 am-1:20 pm
2 stops18h 45m
SeattleSapporo
SEA - CTS
SEACTS
Seattle/Tacoma Intl
Sat 2/7
3:45 pm-5:20 pm
1 stop32h 35m
Sapporo Chitose
Sun 2/15
11:35 am-1:20 pm
2 stops18h 45m
SeattleOsaka
SEA - KIX
SEAKIX
Seattle/Tacoma Intl
Mon 1/26
8:06 am-6:50 pm
1 stop17h 44m
Osaka Kansai Intl
Mon 2/2
5:50 pm-4:54 pm
1 stop16h 04m
SeattleTokyo
SEA - HND
SEAHND
Seattle/Tacoma Intl
Sat 1/17
3:45 pm-7:15 pm
Nonstop10h 30m
Tokyo Haneda
Sat 1/24
9:15 pm-1:20 pm
Nonstop9h 05m
SeattleOsaka
SEA - KIX
SEAKIX
Seattle/Tacoma Intl
Sun 2/1
11:00 am-10:45 am
1 stop30h 45m
Osaka Kansai Intl
Tue 2/10
11:55 am-9:00 am
1 stop14h 05m
SeattleTokyo
SEA - HND
SEAHND
Seattle/Tacoma Intl
Sat 2/21
3:45 pm-7:15 pm
Nonstop10h 30m
Tokyo Haneda
Sat 2/28
9:15 pm-1:20 pm
Nonstop9h 05m
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.
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 $816). 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 December 28, 2025.
It’s typically best to fly out from Seattle to Japan in the evening. Doing so could potentially save you 26% on the flight price compared to flying at noon, which is usually more expensive.
What is the cheapest day to fly from Seattle to Japan?
Use this chart to determine the cheapest time to fly round-trip from Seattle to Japan. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Seattle 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.
How often are flights from Seattle to Japan delayed?
About 16% of weekly flights between Seattle and Japan have experienced delays in the past year, with the average delay time being 123 minutes.
What is the most punctual flight time for Seattle to Japan flights?
Historically, flights departing at night 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 7% 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 December 28, 2025.
Get a feel of what it's like to fly with ANA, Japan Airlines, and Alaska 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.
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Julie,Sep 2025
CGK - HND
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Julie,Sep 2025
CGK - HND
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Julie,Sep 2025
CGK - HND
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Julie,Sep 2025
CGK - HND
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Julie,Sep 2025
CGK - HND
Entertainment
Overall
Food
Boarding
Crew
Comfort
Reviews
Julie,Sep 2025
CGK - HND
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.
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Alternative routes for Seattle to Japan
See prices for flight routes from nearby airports that may be better suited for you.
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 December 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$359 | Average$898 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$370 | Average$753 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$547 | Average$727 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$589 | Average$845 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$617 | Average$840 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$636 | Average$986 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$644 | Average$976 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$660 | Average$889 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$691 | Average$1,069 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$732 | Average$800 | FlexibilityNo cancel fee | On-time60% |