How many flights depart from Seattle to Japan on average per day?

The number of flights available between Seattle and Japan is 10 per day as of August 2025. The most frequent departure time is 1:00PM, with 80% of daily flights leaving in the afternoon.

What airlines fly to Japan?

ANA, Delta and Japan Airlines are the top three most popular airlines that fly to Japan from Seattle according to our data. ANA is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 15 different airlines that fly to Japan on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Japan?

Asiana Airlines, Japan Airlines, and ANA are the most popular carriers operating from Seattle/Tacoma Intl to Japan

How many flights depart from Seattle to Japan on average per week?

73 flights are operational weekly from Seattle to Japan as of August 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Japan?

Prices for flights from Seattle/Tacoma Intl Airport to Japan were last updated today.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Japan?

There are 15 operators available for flights from Seattle/Tacoma Intl Airport to Japan as of August 2025.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Japan?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Japan.

What documentation or ID do you need to fly to Japan?

The necessary travel and health documents for your Japan trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$304 Cheap Flights from Seattle to Japan in 2025

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Find the cheapest flights from Seattle to Japan

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

4:30 pm - 7:00 pmSEA-HND

10h 30mnonstop

9:15 pm - 2:25 pmHND-SEA

9h 10mnonstop

$586ANA

Find Deal

Thu, Sep 25 - Sun, Oct 5

2:15 pm - 11:20 amSEA-NRT

29h 05m1 stop

7:45 pm - 12:30 pmNRT-SEA

32h 45m1 stop

$588Asiana Airlines

Find Deal

Mon, Sep 1 - Wed, Oct 1

6:25 am - 3:15 pmSEA-HND

16h 50m1 stop

9:15 pm - 2:25 pmHND-SEA

9h 10mnonstop

$595United Airlines

Find Deal

Sun, Sep 7 - Tue, Sep 23

6:25 am - 3:15 pmSEA-HND

16h 50m1 stop

3:50 pm - 1:28 pmHND-SEA

13h 38m1 stop

$597United Airlines

Find Deal

Sun, Sep 7 - Tue, Sep 23

11:45 am - 2:15 pmSEA-HND

10h 30mnonstop

4:05 pm - 9:20 amHND-SEA

9h 15mnonstop

$628Delta

Find Deal

Mon, Sep 1 - Tue, Sep 16

8:37 am - 3:50 pmSEA-NRT

15h 13m1 stop

6:55 pm - 11:38 amNRT-SEA

32h 43m1 stop

$638Japan Airlines

Find Deal

Mon, Sep 1 - Wed, Sep 17

8:37 am - 3:50 pmSEA-NRT

15h 13m1 stop

6:55 pm - 11:38 amNRT-SEA

32h 43m1 stop

$639Japan Airlines

Find Deal

Mon, Sep 1 - Fri, Sep 12

11:45 am - 2:15 pmSEA-HND

10h 30mnonstop

4:05 pm - 9:20 amHND-SEA

9h 15mnonstop

$644Delta

Find Deal

Fri, Sep 12 - Tue, Sep 23

1:45 pm - 4:00 pmSEA-NRT

10h 15mnonstop

6:25 pm - 11:30 amNRT-SEA

9h 05mnonstop

$644Alaska Airlines

Find Deal

Mon, Sep 8 - Mon, Sep 22

1:45 pm - 4:00 pmSEA-NRT

10h 15mnonstop

6:25 pm - 11:30 amNRT-SEA

9h 05mnonstop

$645Alaska Airlines

Find Deal

Tue, Sep 2 - Thu, Sep 11

Philippine Airlines flights from Seattle to Japan

Our best Philippine Airlines deals on Seattle to Japan flight tickets

Philippine Airlines

Oct 1

SEA11:35 pmSeattle/Tacoma Intl

20h 10m

1 stop

NGO11:45 amNagoya Chubu Centrair Intl

Oct 8

NGO1:05 pmNagoya Chubu Centrair Intl

22h 10m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

$654

Find similar

Philippine Airlines

Nov 16

SEA9:30 pmSeattle/Tacoma Intl

24h 10m

1 stop

FUK2:40 pmFukuoka

Nov 26

FUK3:40 pmFukuoka

19h 55m

1 stop

SEA6:35 pmSeattle/Tacoma Intl

$663

Find similar

Philippine Airlines

Aug 24

SEA11:35 pmSeattle/Tacoma Intl

22h 05m

1 stop

HND1:40 pmTokyo Haneda

Sep 14

HND3:05 pmTokyo Haneda

20h 10m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

$817

Find similar

Asiana Airlines flights from Seattle to Japan

Our best Asiana Airlines deals on Seattle to Japan flight tickets

Asiana Airlines

Sep 1

SEA2:15 pmSeattle/Tacoma Intl

29h 05m

1 stop

NRT11:20 amTokyo Narita

Oct 1

NRT7:45 pmTokyo Narita

32h 45m

1 stop

SEA12:30 pmSeattle/Tacoma Intl

$588

Find similar

Asiana Airlines

Sep 1

SEA2:15 pmSeattle/Tacoma Intl

29h 05m

1 stop

NRT11:20 amTokyo Narita

Sep 14

NRT9:00 amTokyo Narita

19h 30m

1 stop

SEA12:30 pmSeattle/Tacoma Intl

$589

Find similar

Asiana Airlines

Sep 15

SEA2:15 pmSeattle/Tacoma Intl

35h 35m

1 stop

KIX5:50 pmOsaka Kansai Intl

Sep 29

KIX9:10 amOsaka Kansai Intl

19h 20m

1 stop

SEA12:30 pmSeattle/Tacoma Intl

$591

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Thu 9/25

4:30 pm-7:00 pm

Nonstop10h 30m

Tokyo Haneda

Sun 10/5

9:15 pm-2:25 pm

Nonstop9h 10m

$586

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Mon 9/1

2:15 pm-11:20 am

1 stop29h 05m

Tokyo Narita

Wed 10/1

7:45 pm-12:30 pm

1 stop32h 45m

$588

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sun 9/7

6:25 am-3:15 pm

1 stop16h 50m

Tokyo Haneda

Tue 9/23

9:15 pm-2:25 pm

Nonstop9h 10m

$595

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Sun 9/7

6:25 am-3:15 pm

1 stop16h 50m

Tokyo Haneda

Tue 9/23

3:50 pm-1:28 pm

1 stop13h 38m

$597

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Mon 9/1

11:45 am-2:15 pm

Nonstop10h 30m

Tokyo Haneda

Tue 9/16

4:05 pm-9:20 am

Nonstop9h 15m

$628

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Mon 9/1

8:37 am-3:50 pm

1 stop15h 13m

Tokyo Narita

Wed 9/17

6:55 pm-11:38 am

1 stop32h 43m

$638

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Mon 9/1

8:37 am-3:50 pm

1 stop15h 13m

Tokyo Narita

Fri 9/12

6:55 pm-11:38 am

1 stop32h 43m

$639

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Fri 9/12

11:45 am-2:15 pm

Nonstop10h 30m

Tokyo Haneda

Tue 9/23

4:05 pm-9:20 am

Nonstop9h 15m

$644

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Mon 9/8

1:45 pm-4:00 pm

Nonstop10h 15m

Tokyo Narita

Mon 9/22

6:25 pm-11:30 am

Nonstop9h 05m

$644

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Tue 9/2

1:45 pm-4:00 pm

Nonstop10h 15m

Tokyo Narita

Thu 9/11

6:25 pm-11:30 am

Nonstop9h 05m

$645

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How to get the cheapest flight ticket from Seattle to Japan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Japan?

The month of September is, on average, the cheapest month to fly to Japan from Seattle, with most prices found around $807. If you aren’t able to travel to Japan during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $856.

What is the cheapest day to depart on your flight to Japan?

On average, the least expensive day to fly to Japan from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $903. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Seattle to Japan on a Friday will generally be more expensive and average around $1,122. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Japan?

Flying to Japan from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $936 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to Japan, so prices are often more expensive at around $1,091 per ticket.

What is the cheapest Seattle/Tacoma Intl to Japan flight route?

Fly from Seattle/Tacoma Intl to Tokyo Haneda for the best Seattle/Tacoma Intl - Japan flight prices

How far in advance should I book a flight to Japan?

You are more likely to see cheaper flights to Japan from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Japan for around $1,065 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Japan from Seattle for as low as $943 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Japan flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Japan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Seattle to Japan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Japan

Best Price Found	$304
Fastest flight time	10h 05m
Direct flights	Every day
Airports in Japan	9 airports

The best one-way flight to Japan from Seattle in the past 72 hours is $304. The best round-trip flight deal from Seattle to Japan found on momondo in the last 72 hours is $586.

The fastest flight from Seattle to Japan takes 10h 05m

Direct flights go from Seattle to Japan every day.

There are 9 airports near Japan: Tokyo Narita (NRT), Osaka Itami (ITM), Sapporo Chitose (CTS), Okinawa Naha (OKA), Nagoya Chubu Centrair Intl (NGO), Osaka Kansai Intl (KIX), Fukuoka (FUK), Kobe (UKB), Tokyo Haneda (HND)

Search flight deals

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Japan?
Prices for flights from Seattle/Tacoma Intl Airport to Japan were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Japan?
There are 15 operators available for flights from Seattle/Tacoma Intl Airport to Japan as of August 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Japan?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Japan.
What documentation or ID do you need to fly to Japan?
The necessary travel and health documents for your Japan trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Japan?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Japan is Boeing 787-9 Dreamliner, representing 77.26% of all bookings. The subsequent popular models are Airbus A330-200 at 16.84%, Airbus A330 at 2.58%, and Boeing 787-8 Dreamliner at 0.99%.

Best airlines flying from Seattle to Japan

Compare and see reviews for airlines that fly from Seattle to Japan with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $117	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $359	Free Cancellation	Rating 7.8 2,664 reviews	Search Hawaiian Airlines flights
Asiana Airlines	PriceFrom $648	Free Cancellation	Rating 8.2 474 reviews	Search Asiana Airlines flights
Air Canada	PriceFrom $669	Free Cancellation	Rating 7.1 9,992 reviews	Search Air Canada flights
ANA	PriceFrom $681	Free Cancellation	Rating 8.4 933 reviews	Search ANA flights
Japan Airlines	PriceFrom $697	Free Cancellation	Rating 8.3 1,549 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $702	Free Cancellation	Rating 8.4 1,131 reviews	Search Korean Air flights
Philippine Airlines	PriceFrom $705	Free Cancellation	Rating 7.2 895 reviews	Search Philippine Airlines flights
Alaska Airlines	PriceFrom $710	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
China Airlines	PriceFrom $713	Free Cancellation	Rating 8.3 764 reviews	Search China Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Japan?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Japan from Seattle.

Can I find flights from Seattle to Japan with flexible booking policies on momondo?

Yes. All flights to Japan from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Japan?

momondo provides multiple filters to help you find the best flight to Japan from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Japan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Japan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Japan

Popular cities in Japan

Flights to Tokyofrom $484

Flights to Osakafrom $498

Flights to Okinawafrom $528

Flights to Fukuokafrom $522

Flights to Nagoyafrom $537

Flights to Hiroshimafrom $659

Flights to Ishigakifrom $688

Flights to Nagasakifrom $682

Flights to Kagoshimafrom $672

Flights to Hakodatefrom $682

Flights to Toyamafrom $649

Flights to Miyakojimafrom $2,066

Cheap flights from Seattle to Japan from $304

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Japan departing on 12/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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Find the cheapest flights from Seattle to Japan

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Philippine Airlines flights from Seattle to Japan

Our best Philippine Airlines deals on Seattle to Japan flight tickets

Asiana Airlines flights from Seattle to Japan

Our best Asiana Airlines deals on Seattle to Japan flight tickets

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

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How to get the cheapest flight ticket from Seattle to Japan

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Japan?

What is the cheapest day to depart on your flight to Japan?

What is the cheapest time of day to depart on your flight to Japan?

What is the cheapest Seattle/Tacoma Intl to Japan flight route?

Fly from Seattle/Tacoma Intl to Tokyo Haneda for the best Seattle/Tacoma Intl - Japan flight prices

How far in advance should I book a flight to Japan?

What cabin class options are available on Seattle/Tacoma Intl to Japan flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Japan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Japan?

Asiana Airlines, Japan Airlines, and ANA are the most popular carriers operating from Seattle/Tacoma Intl to Japan

What airlines fly to Japan?

How many flights depart from Seattle to Japan on average per day?

The number of flights available between Seattle and Japan is 10 per day as of August 2025. The most frequent departure time is 1:00PM, with 80% of daily flights leaving in the afternoon.

How many flights depart from Seattle to Japan on average per week?

73 flights are operational weekly from Seattle to Japan as of August 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.

Cheap Seattle to Japan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Japan

Best Price Found

Fastest flight time

Direct flights

Airports in Japan

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Japan?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Japan?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Japan?

What documentation or ID do you need to fly to Japan?

What is the most popular plane model from Seattle to Japan?

Best airlines flying from Seattle to Japan

Compare and see reviews for airlines that fly from Seattle to Japan with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Japan?

Can I find flights from Seattle to Japan with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Japan?

I’m not ready to book a flight from Seattle to Japan right now. Can momondo alert me if prices change?

An easier way to manage your Japan trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Japan

Popular cities in Japan

Popular flights according to clicks in the last 7 days on momondo