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 51% 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 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 November 2025. The most frequent departure time is 12:00PM, with 81% of daily flights leaving in the afternoon.

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 6% of their flights experiencing any sort of delay.

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.

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

Japan Airlines, Korean Air, 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?

77 flights are operational weekly from Seattle to Japan as of November 2025. The most popular departure day for this route is Mon, with 14% 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 14 operators available for flights from Seattle/Tacoma Intl Airport to Japan as of November 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.

$325 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.

10:05 am - 7:45 pmSEA-NGO

16h 40m2 stops

2:00 pm - 10:06 pmNGO-SEA

25h 06m2 stops

$606Multiple Airlines

Find Deal

Sun, Jan 18 - Sun, Jan 25

8:00 pm - 8:35 pmSEA-KIX

31h 35m2 stops

10:50 am - 7:16 pmKIX-SEA

25h 26m2 stops

$607Multiple Airlines

Find Deal

Sun, Jan 18 - Tue, Jan 27

3:45 pm - 10:20 pmSEA-KIX

13h 35m1 stop

5:35 pm - 1:20 pmKIX-SEA

12h 45m1 stop

$609ANA

Find Deal

Thu, Feb 26 - Sat, Mar 7

10:05 am - 7:45 pmSEA-NGO

16h 40m2 stops

2:30 pm - 2:31 pmNGO-SEA

17h 01m2 stops

$615Multiple Airlines

Find Deal

Mon, Jan 19 - Fri, Jan 23

7:15 am - 4:40 pmSEA-KIX

16h 25m1 stop

5:35 pm - 1:20 pmKIX-SEA

12h 45m1 stop

$618ANA

Find Deal

Mon, Feb 23 - Mon, Mar 2

8:25 am - 8:40 pmSEA-FUK

19h 15m2 stops

12:00 pm - 9:55 amFUK-SEA

14h 55m1 stop

$619Japan Airlines

Find Deal

Wed, Jan 21 - Wed, Jan 28

8:25 am - 8:30 amSEA-FUK

31h 05m2 stops

1:55 pm - 2:34 pmFUK-SEA

17h 39m2 stops

$621Japan Airlines

Find Deal

Wed, Jan 21 - Wed, Jan 28

12:20 pm - 4:00 pmSEA-NRT

10h 40mnonstop

6:30 pm - 10:40 amNRT-SEA

9h 10mnonstop

$630Alaska Airlines

Find Deal

Sat, Jan 17 - Sat, Jan 24

9:00 am - 9:10 pmSEA-HND

19h 10m1 stop

9:15 pm - 1:20 pmHND-SEA

9h 05mnonstop

$634United Airlines

Find Deal

Thu, Jan 15 - Sat, Jan 31

9:00 am - 9:10 pmSEA-HND

19h 10m1 stop

9:15 pm - 1:20 pmHND-SEA

9h 05mnonstop

$635United Airlines

Find Deal

Thu, Jan 15 - Sat, Jan 31

Korean Air flights from Seattle to Japan

Our best Korean Air deals on Seattle to Japan flight tickets

Korean Air

Jan 24

SEA11:00 amSeattle/Tacoma Intl

35h 40m

1 stop

CTS3:40 pmSapporo Chitose

Feb 8

CTS4:50 pmSapporo Chitose

33h 10m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$618

Find similar

Korean Air

Jan 24

SEA11:00 amSeattle/Tacoma Intl

35h 40m

1 stop

CTS3:40 pmSapporo Chitose

Feb 8

CTS4:50 pmSapporo Chitose

33h 10m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$648

Find similar

Korean Air

Jan 16

SEA11:00 amSeattle/Tacoma Intl

16h 05m

1 stop

FUK8:05 pmFukuoka

Feb 1

FUK1:45 pmFukuoka

12h 15m

1 stop

SEA9:00 amSeattle/Tacoma Intl

$653

Find similar

Japan Airlines flights from Seattle to Japan

Our best Japan Airlines deals on Seattle to Japan flight tickets

Japan Airlines

Jan 21

SEA8:25 amSeattle/Tacoma Intl

19h 15m

2 stops

FUK8:40 pmFukuoka

Jan 28

FUK12:00 pmFukuoka

14h 55m

1 stop

SEA9:55 amSeattle/Tacoma Intl

$619

Find similar

Japan Airlines

Jan 21

SEA12:30 pmSeattle/Tacoma Intl

15h 10m

1 stop

FUK8:40 pmFukuoka

Jan 28

FUK8:30 amFukuoka

18h 25m

1 stop

SEA9:55 amSeattle/Tacoma Intl

$621

Find similar

Japan Airlines

Jan 13

SEA12:30 pmSeattle/Tacoma Intl

14h 25m

1 stop

ITM7:55 pmOsaka Itami

Jan 20

ITM2:40 pmOsaka Itami

12h 15m

1 stop

SEA9:55 amSeattle/Tacoma Intl

$624

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattleNagoya

SEA - NGO

SEANGO

Seattle/Tacoma Intl

Sun 1/18

10:05 am-7:45 pm

2 stops16h 40m

Nagoya Chubu Centrair Intl

Sun 1/25

2:00 pm-10:06 pm

2 stops25h 06m

$606

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Sun 1/18

8:00 pm-8:35 pm

2 stops31h 35m

Osaka Kansai Intl

Tue 1/27

10:50 am-7:16 pm

2 stops25h 26m

$607

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Thu 2/26

3:45 pm-10:20 pm

1 stop13h 35m

Osaka Kansai Intl

Sat 3/7

5:35 pm-1:20 pm

1 stop12h 45m

$609

SeattleNagoya

SEA - NGO

SEANGO

Seattle/Tacoma Intl

Mon 1/19

10:05 am-7:45 pm

2 stops16h 40m

Nagoya Chubu Centrair Intl

Fri 1/23

2:30 pm-2:31 pm

2 stops17h 01m

$615

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

Mon 2/23

7:15 am-4:40 pm

1 stop16h 25m

Osaka Kansai Intl

Mon 3/2

5:35 pm-1:20 pm

1 stop12h 45m

$618

SeattleFukuoka

SEA - FUK

SEAFUK

Seattle/Tacoma Intl

Wed 1/21

8:25 am-8:40 pm

2 stops19h 15m

Fukuoka

Wed 1/28

12:00 pm-9:55 am

1 stop14h 55m

$619

SeattleFukuoka

SEA - FUK

SEAFUK

Seattle/Tacoma Intl

Wed 1/21

8:25 am-8:30 am

2 stops31h 05m

Fukuoka

Wed 1/28

1:55 pm-2:34 pm

2 stops17h 39m

$621

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sat 1/17

12:20 pm-4:00 pm

Nonstop10h 40m

Tokyo Narita

Sat 1/24

6:30 pm-10:40 am

Nonstop9h 10m

$630

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Thu 1/15

9:00 am-9:10 pm

1 stop19h 10m

Tokyo Haneda

Sat 1/31

9:15 pm-1:20 pm

Nonstop9h 05m

$634

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Thu 1/15

9:00 am-9:10 pm

1 stop19h 10m

Tokyo Haneda

Sat 1/31

9:15 pm-1:20 pm

Nonstop9h 05m

$635

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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 September is, on average, the cheapest month to fly to Japan from Seattle, with most prices found around $776. 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 $807.

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 $860. 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 $1,015. 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 $872 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 $1,006 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 $966 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 $834 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 8% 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	$353
Fastest flight time	10h 05m
Direct flights	Every day
Airports in Japan	1 airport

The best one-way flight to Japan from Seattle in the past 72 hours is $353. The best round-trip flight deal from Seattle to Japan found on momondo in the last 72 hours is $671.

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

Direct flights go from Seattle to Japan every day.

There is 1 airport near Japan: 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 November 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 78.93% of all bookings. The subsequent popular models are Airbus A330-200 at 12.22%, Boeing 787 Dreamliner at 4.89%, and Airbus A330 at 1.08%.

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 7.9 7,998 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $359	Free Cancellation	Rating 7.8 2,814 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $370	Free Cancellation	Rating 8.0 11,354 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $470	Free Cancellation	Rating 7.1 10,476 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $547	Free Cancellation	Rating 8.2 490 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $596	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
ANA	PriceFrom $618	Free Cancellation	Rating 8.4 1,010 reviews	Search ANA flights
Japan Airlines	PriceFrom $636	Free Cancellation	Rating 8.3 1,630 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $702	Free Cancellation	Rating 8.4 1,170 reviews	Search Korean Air flights
China Airlines	PriceFrom $730	Free Cancellation	Rating 8.3 782 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 $382

Flights to Osakafrom $565

Flights to Okinawafrom $579

Flights to Fukuokafrom $571

Flights to Nagoyafrom $563

Flights to Hiroshimafrom $611

Flights to Ishigakifrom $721

Flights to Kagoshimafrom $787

Flights to Hakodatefrom $744

Flights to Nagasakifrom $719

Flights to Miyakojimafrom $2,163

Flights to Toyamafrom $806

Cheap flights from Seattle to Japan from $322

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 1/14. 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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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.

Can stopping save me money on Seattle to Japan flights?

You could potentially save up to 8% 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, Korean Air, and ANA 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 6% 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 November 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 November 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