HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Yokohama

$346+ Cheap flights from Seattle (SEA) to Yokohama, 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — NRT
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Yokohama 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.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Yokohama are usually found in September or October, booked 20 days in advance, depart on a Monday or Tuesday and return on a Thursday

Find flight deals from Seattle to Yokohama

Cheapest flights from Seattle to Yokohama
Explore the most affordable flight options available from Seattle to Yokohama. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This KAYAK deal was found by Cheapflights users on 10/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:10 pmSEA - NRT
Nonstop10h 30mJapan Airlines
Fri 12/127:20 pmNRT - SEA
1 stop12h 21mJapan Airlines
Deal found 10/16$636
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 11/2911:10 pmSEA - NRT
1 stop20h 35mMultiple Airlines
Sun 12/142:45 pmNRT - SEA
1 stop15h 45mMultiple Airlines
Deal found 10/16$638
This CrystalTravel deal was found by Cheapflights users on 10/16. 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.
Wed 12/37:00 amSEA - HND
1 stop14h 50mANA
Thu 12/184:25 pmHND - SEA
1 stop17h 27mANA
Deal found 10/16$638
This CrystalTravel deal was found by Cheapflights users on 10/15. 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.
Wed 10/295:30 amSEA - NRT
1 stop17h 30mANA
Tue 11/114:45 pmNRT - SEA
1 stop13h 53mANA
Deal found 10/15$639
This KAYAK deal was found by Cheapflights users on 10/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:10 pmSEA - NRT
Nonstop10h 30mJapan Airlines
Tue 12/236:10 pmNRT - SEA
Nonstop8h 40mJapan Airlines
Deal found 10/15$640
This Gotogate deal was found by Cheapflights users on 10/15. 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.
Sun 11/911:00 amSEA - HND
1 stop18h 50mKorean Air
Mon 11/242:00 amHND - SEA
1 stop24h 00mKorean Air
Deal found 10/15$640
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 11/3011:10 pmSEA - NRT
1 stop20h 35mMultiple Airlines
Sat 12/132:45 pmNRT - SEA
1 stop15h 45mMultiple Airlines
Deal found 10/16$641
This CrystalTravel deal was found by Cheapflights users on 10/15. 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.
Wed 12/313:45 pmSEA - HND
Nonstop10h 30mANA
Thu 1/1512:00 pmHND - SEA
2 stops20h 44mANA
Deal found 10/15$642
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 11/2211:10 pmSEA - NRT
1 stop20h 35mMultiple Airlines
Thu 12/42:45 pmNRT - SEA
1 stop15h 45mMultiple Airlines
Deal found 10/15$643
This CrystalTravel deal was found by Cheapflights users on 10/15. 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.
Mon 12/87:29 pmSEA - HND
1 stop26h 21mANA
Fri 12/264:25 pmHND - SEA
1 stop21h 42mANA
Deal found 10/15$643
This flugladen.de deal was found by Cheapflights users on 10/15. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3011:10 pmSEA - NRT
1 stop23h 50mMultiple Airlines
Tue 12/166:10 pmNRT - SEA
Nonstop8h 40mMultiple Airlines
Deal found 10/15$644
This FlightHub deal was found by Cheapflights users on 10/15. 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 12/61:30 pmSEA - NRT
1 stop33h 30mJapan Airlines
Wed 12/177:20 pmNRT - SEA
1 stop30h 42mJapan Airlines
Deal found 10/15$645

Cheap flight deals from Seattle to Yokohama

Keep the following information in mind while searching for Seattle to Yokohama flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$636
(Gotogate)

One-way from

$346
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$813
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 Yokohama
Search Deals
One-way flight from Seattle/Tacoma Intl to Yokohama
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Yokohama 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 16, 2025.
Use the filters below to find and compare flights from Seattle to Yokohama that are best for you.

Fly from

Seattle

Fly to

Yokohama

Route

Depart

Return

Price

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sun 11/30

3:40 pm-7:15 pm

Nonstop10h 35m

Tokyo Haneda

Tue 12/16

9:15 pm-1:20 pm

Nonstop9h 05m

$659

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Wed 1/14

9:00 am-4:50 am

2 stops26h 50m

Tokyo Haneda

Thu 1/22

4:25 pm-4:29 pm

2 stops17h 04m

$660

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Tue 12/2

7:00 am-2:50 pm

1 stop14h 50m

Tokyo Haneda

Fri 12/19

9:15 pm-1:20 pm

Nonstop9h 05m

$663

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Wed 12/3

5:30 am-3:00 pm

1 stop16h 30m

Tokyo Narita

Wed 12/10

5:30 pm-9:00 pm

2 stops20h 30m

$675

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Wed 12/3

7:00 am-3:20 pm

1 stop15h 20m

Tokyo Narita

Thu 12/11

5:30 pm-9:00 pm

2 stops20h 30m

$675

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Tue 11/11

3:40 pm-7:15 pm

Nonstop10h 35m

Tokyo Haneda

Wed 11/19

12:50 am-11:39 am

1 stop27h 49m

$675

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Mon 12/29

3:40 pm-7:15 pm

Nonstop10h 35m

Tokyo Haneda

Tue 1/20

12:50 am-7:55 pm

1 stop36h 05m

$675

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Tue 11/11

11:00 am-9:05 pm

1 stop17h 05m

Tokyo Narita

Mon 11/24

8:40 pm-9:00 am

1 stop29h 20m

$678

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sun 11/16

11:00 am-12:25 pm

1 stop32h 25m

Tokyo Narita

Mon 12/8

5:10 pm-9:00 am

1 stop32h 50m

$678

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sun 11/2

7:28 pm-3:00 pm

1 stop26h 32m

Tokyo Narita

Thu 11/13

5:30 pm-8:51 pm

2 stops20h 21m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 43 results
1
2
3
...
5

Best time to book a flight from Seattle to Yokohama

Have a flexible travel schedule? Discover the best time to fly to Yokohama 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 Yokohama

How far ahead should I book a flight from Seattle to Yokohama?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Yokohama. Price data was last updated on October 10, 2025.

The best time to book flights from Seattle to Yokohama is 20 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, December is the cheapest month in which you can book a flight from Seattle to Yokohama (average of $470). Flying from Seattle to Yokohama in June is currently the most expensive (average of $907). 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 YO9?

Find hourly flight availability from Seattle to Yokohama. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

It’s typically best to fly out from Seattle to Yokohama in the morning. Doing so could potentially save you 11% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Seattle to Yokohama?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Yokohama. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their Seattle to Yokohama 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.

Weekly flight availability from Seattle to Yokohama

Explore weekly flight availability from Seattle to Yokohama. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 16, 2025.

The most flights from SEA to YO9 are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Yokohama

Get insights into the airlines that provide service to Yokohama. 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 Yokohama. Reviews last updated October 16, 2025.
Read reviews from past customers who have flown ANA, Japan Airlines, and Alaska Airlines from Seattle to Yokohama. 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.
ANA
8.4
Very good
984 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

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
984 reviews
ANA
8.4
Very good
984 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

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
1,579 reviews
ANA
8.4
Very good
984 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

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
11,098 reviews
ANA
8.4
Very good
984 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

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
7,980 reviews
ANA
8.4
Very good
984 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

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.
United Airlines
7.4
Good
8,980 reviews
ANA
8.4
Very good
984 reviews

Entertainment

7.9

Food

7.7

Boarding

8.6

Crew

8.7

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 Yokohama. 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 Yokohama?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Yokohama. 11 airlines have flights from Seattle/Tacoma Intl to Yokohama on a regular basis. Booking flights from Seattle/Tacoma Intl to Yokohama should not be difficult; the airport handles an average of 11 outbound flights to Yokohama per day.

  • How long is the flight from Seattle to Yokohama?

    Airlines like United Airlines and Korean Air fly from Seattle to Yokohama in about 10h 35m. The time it takes to get you to your destination can typically vary by up to 6h 30m. The distance from Seattle to Yokohama is about 4788 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $346. Hawaiian Airlines flights start at $346 while deals on Delta start at $346 one-way.

  • What are the most reliable airlines from Seattle to Yokohama?

    No one likes to see their flight delayed. When booking a flight from Seattle to Yokohama consider choosing American Airlines (65%), Japan Airlines (65%) or Malaysia Airlines (65%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Yokohama?

    While on average a flight from Seattle to Yokohama is generally $1,862, our data shows the cheapest flight currently is $278. When looking at the most popular route, (Seattle/Tacoma Intl - Tokyo Narita), you can expect to pay $611 for that flight.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Seattle to Yokohama (average of $470). Flying from Seattle to Yokohama in June is currently the most expensive (average of $907). 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 Yokohama

Discover the top 10 airlines that operate flights from Seattle to Yokohama. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$117Average$1,018FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$359Average$940FlexibilityNo cancel feeOn-time85%
Air CanadaCheapest$581Average$968FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$592Average$871FlexibilityNo cancel feeOn-time76%
ANACheapest$665Average$925FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$697Average$1,032FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$700Average$993FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$702Average$793FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$705Average$852FlexibilityNo cancel feeOn-time60%
Japan AirlinesCheapest$705Average$1,009FlexibilityNo cancel feeOn-time79%

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.