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

The number of flights available between Seattle and Japan is 11 per day as of December 2025. The most frequent departure time is 12:00PM, with 81% 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 52% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 14 different airlines that fly to Japan on a routine basis, so you have a few additional options to choose from.

How often are flights from Seattle to Japan delayed?

Historically, on average around 16% of flights between Seattle and Japan have experienced a delay on any given week. The average delay length over the past 12 months has been 123 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

77 flights are operational weekly from Seattle to Japan as of December 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

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

According to our data, ANA have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

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

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

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 14 operators available for flights from Seattle/Tacoma Intl Airport to Japan as of December 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.

$323 Cheap Flights from Seattle to Japan in 2025/26

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:39 pm - 4:00 pm

SEA

NRT

31h 21m1 stop

6:10 pm - 9:55 am

NRT

SEA

8h 45mnonstop

$603Japan Airlines

Fri, Jan 23 - Sat, Jan 31

12:30 pm - 3:40 pm

SEA

NRT

10h 10mnonstop

6:10 pm - 10:55 am

NRT

SEA

8h 45mnonstop

$604Japan Airlines

Fri, Feb 27 - Mon, Mar 9

5:50 am - 4:20 pm

SEA

NRT

17h 30m1 stop

6:15 pm - 10:06 pm

NRT

SEA

20h 51m1 stop

$608Air Canada

Sat, Jan 24 - Thu, Jan 29

10:05 am - 4:20 pm

SEA

NRT

13h 15m1 stop

6:15 pm - 2:31 pm

NRT

SEA

13h 16m1 stop

$609Air Canada

Fri, Jan 30 - Fri, Feb 6

11:00 am - 8:05 pm

SEA

FUK

16h 05m1 stop

9:05 pm - 9:00 am

FUK

SEA

28h 55m1 stop

$614Korean Air

Fri, Jan 30 - Fri, Feb 6

11:00 am - 5:05 pm

SEA

OKA

37h 05m1 stop

6:05 pm - 9:00 am

OKA

SEA

31h 55m1 stop

$617Korean Air

Sun, Feb 1 - Sun, Feb 8

3:45 pm - 11:05 am

SEA

CTS

26h 20m2 stops

3:55 pm - 1:20 pm

CTS

SEA

38h 25m2 stops

$628ANA

Sat, Jan 31 - Sun, Feb 8

3:45 pm - 6:20 pm

SEA

OKA

33h 35m1 stop

2:45 pm - 1:20 pm

OKA

SEA

15h 35m2 stops

$631ANA

Sat, Jan 31 - Sat, Feb 14

12:10 am - 10:40 am

SEA

OKA

17h 30m1 stop

12:00 pm - 1:55 pm

OKA

SEA

18h 55m1 stop

$633Asiana Airlines

Mon, Jan 26 - Wed, Feb 4

12:10 am - 11:50 am

SEA

CTS

19h 40m1 stop

1:00 pm - 2:55 pm

CTS

SEA

17h 55m1 stop

$642Asiana Airlines

Sun, Apr 12 - Thu, Apr 30

Korean Air flights from Seattle to Japan

Our best Korean Air deals on Seattle to Japan flight tickets

Korean Air

Jan 30

SEA11:00 amSeattle/Tacoma Intl

16h 05m

1 stop

FUK8:05 pmFukuoka

Feb 6

FUK9:05 pmFukuoka

28h 55m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$614

Find similar

Korean Air

Feb 1

SEA11:00 amSeattle/Tacoma Intl

37h 05m

1 stop

OKA5:05 pmOkinawa Naha

Feb 8

OKA6:05 pmOkinawa Naha

31h 55m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$617

Find similar

Korean Air

Mar 9

SEA12:00 pmSeattle/Tacoma Intl

37h 05m

1 stop

OKA5:05 pmOkinawa Naha

Mar 18

OKA6:05 pmOkinawa Naha

31h 55m

1 stop

SEA10:00 amSeattle/Tacoma Intl

$620

Find similar

Japan Airlines flights from Seattle to Japan

Our best Japan Airlines deals on Seattle to Japan flight tickets

Japan Airlines

Jan 23

SEA3:39 pmSeattle/Tacoma Intl

31h 21m

1 stop

NRT4:00 pmTokyo Narita

Jan 31

NRT6:10 pmTokyo Narita

8h 45m

SEA9:55 amSeattle/Tacoma Intl

$603

Find similar

Japan Airlines

Feb 27

SEA12:30 pmSeattle/Tacoma Intl

10h 10m

NRT3:40 pmTokyo Narita

Mar 14

NRT6:10 pmTokyo Narita

8h 45m

SEA10:55 amSeattle/Tacoma Intl

$604

Find similar

Japan Airlines

Jan 19

SEA12:30 pmSeattle/Tacoma Intl

10h 10m

NRT3:40 pmTokyo Narita

Jan 26

NRT5:40 pmTokyo Narita

16h 07m

1 stop

SEA4:47 pmSeattle/Tacoma Intl

$606

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Fri 1/23

3:39 pm-4:00 pm

1 stop31h 21m

Tokyo Narita

Sat 1/31

6:10 pm-9:55 am

Nonstop8h 45m

$603

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Fri 2/27

12:30 pm-3:40 pm

Nonstop10h 10m

Tokyo Narita

Mon 3/9

6:10 pm-10:55 am

Nonstop8h 45m

$604

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sat 1/24

5:50 am-4:20 pm

1 stop17h 30m

Tokyo Narita

Thu 1/29

6:15 pm-10:06 pm

1 stop20h 51m

$608

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Fri 1/30

10:05 am-4:20 pm

1 stop13h 15m

Tokyo Narita

Fri 2/6

6:15 pm-2:31 pm

1 stop13h 16m

$609

SeattleFukuoka

SEA - FUK

SEAFUK

Seattle/Tacoma Intl

Fri 1/30

11:00 am-8:05 pm

1 stop16h 05m

Fukuoka

Fri 2/6

9:05 pm-9:00 am

1 stop28h 55m

$614

SeattleOkinawa

SEA - OKA

SEAOKA

Seattle/Tacoma Intl

Sun 2/1

11:00 am-5:05 pm

1 stop37h 05m

Okinawa Naha

Sun 2/8

6:05 pm-9:00 am

1 stop31h 55m

$617

SeattleSapporo

SEA - CTS

SEACTS

Seattle/Tacoma Intl

Sat 1/31

3:45 pm-11:05 am

2 stops26h 20m

Sapporo Chitose

Sun 2/8

3:55 pm-1:20 pm

2 stops38h 25m

$628

SeattleOkinawa

SEA - OKA

SEAOKA

Seattle/Tacoma Intl

Sat 1/31

3:45 pm-6:20 pm

1 stop33h 35m

Okinawa Naha

Sat 2/14

2:45 pm-1:20 pm

2 stops15h 35m

$631

SeattleOkinawa

SEA - OKA

SEAOKA

Seattle/Tacoma Intl

Mon 1/26

12:10 am-10:40 am

1 stop17h 30m

Okinawa Naha

Wed 2/4

12:00 pm-1:55 pm

1 stop18h 55m

$633

SeattleSapporo

SEA - CTS

SEACTS

Seattle/Tacoma Intl

Sun 4/12

12:10 am-11:50 am

1 stop19h 40m

Sapporo Chitose

Thu 4/30

1:00 pm-2:55 pm

1 stop17h 55m

$642

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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

Delays

Other information

What is the cheapest month to fly to Japan?

The month of January is, on average, the cheapest month to fly to Japan from Seattle, with most prices found around $744. If you aren’t able to travel to Japan during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $768.

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 $845. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Seattle to Japan on a Saturday will generally be more expensive and average around $984. 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 $852 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to Japan, so prices are often more expensive at around $996 per ticket.

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

Fly from Seattle/Tacoma Intl to Tokyo Narita 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 $948 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 $844 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.

Can stopping save me money on Seattle to Japan flights?

You could potentially save up to 11% on your flight if you consider stops on a Seattle to Japan flight.

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	$386
Fastest flight time	10h 00m
Direct flights	Every day
Airports in Japan	202 airports

The best one-way flight to Japan from Seattle in the past 72 hours is $386. The best round-trip flight deal from Seattle to Japan found on momondo in the last 72 hours is $667.

The fastest flight from Seattle to Japan takes 10h 00m

Direct flights go from Seattle to Japan every day.

There are 202 airports in Japan. From Seattle there are direct flights to Tokyo Narita (NRT).

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 14 operators available for flights from Seattle/Tacoma Intl Airport to Japan as of December 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 81.61% of all bookings. The subsequent popular models are Airbus A330-200 at 8.55%, Boeing 787 Dreamliner at 6.11%, and Airbus A350-900 at 0.96%.

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
Hawaiian Airlines	PriceFrom $359	Free Cancellation	Rating 7.8 2,820 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $370	Free Cancellation	Rating 8.0 11,479 reviews	Search Alaska Airlines flights
Asiana Airlines	PriceFrom $547	Free Cancellation	Rating 8.2 493 reviews	Search Asiana Airlines flights
Air Canada	PriceFrom $589	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights
ANA	PriceFrom $618	Free Cancellation	Rating 8.4 1,031 reviews	Search ANA flights
Japan Airlines	PriceFrom $636	Free Cancellation	Rating 8.3 1,662 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $646	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Delta	PriceFrom $695	Free Cancellation	Rating 7.9 8,008 reviews	Search Delta flights
Korean Air	PriceFrom $702	Free Cancellation	Rating 8.4 1,186 reviews	Search Korean Air flights
Philippine Airlines	PriceFrom $732	Free Cancellation	Rating 7.3 943 reviews	Search Philippine 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 $458

Flights to Osakafrom $542

Flights to Okinawafrom $583

Flights to Fukuokafrom $538

Flights to Nagoyafrom $552

Flights to Hiroshimafrom $580

Flights to Ishigakifrom $663

Flights to Kagoshimafrom $585

Flights to Hakodatefrom $769

Flights to Sendaifrom $854

Flights to Toyamafrom $822

Flights to Miyakojimafrom $1,968

Cheap flights from Seattle to Japan from $323

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 1/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Korean Air flights from Seattle to Japan

Our best Korean Air deals on Seattle to Japan flight tickets

Japan Airlines flights from Seattle to Japan

Our best Japan Airlines deals on Seattle to Japan flight tickets

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See travel insights to Japan from

How to get the cheapest flight ticket from Seattle to Japan

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 Narita 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.

Can stopping save me money on Seattle to Japan flights?

You could potentially save up to 11% on your flight if you consider stops on a Seattle to Japan flight.

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

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

What airlines fly to Japan?

How often are flights from Seattle to Japan delayed?

Historically, on average around 16% of flights between Seattle and Japan have experienced a delay on any given week. The average delay length over the past 12 months has been 123 minutes.

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

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

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

According to our data, ANA have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

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

The number of flights available between Seattle and Japan is 11 per day as of December 2025. The most frequent departure time is 12:00PM, with 81% of daily flights leaving in the afternoon.

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

77 flights are operational weekly from Seattle to Japan as of December 2025. The most popular departure day for this route is Mon, with 14% 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