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?

71 flights are operational weekly from Seattle to Japan as of January 2026. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.

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 January 2026. The most frequent departure time is 12:00PM, with 81% of daily flights leaving in the afternoon.

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

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

How often are flights from Seattle to Japan delayed?

Historically, on average around 18% 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 121 minutes.

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 53% 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.

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

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

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 8% of their flights experiencing any sort of delay.

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 January 2026.

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.

$313 Cheap Flights from Seattle to Japan in 2026

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Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:15 am - 4:40 pm

SEA

KIX

16h 25m

1 stop

6:45 am - 1:20 pm

KIX

SEA

23h 35m

1 stop

$585ANA

vie., feb. 27 - sáb., mar. 7

8:00 pm - 4:25 pm

SEA

KIX

28h 25m

1 stop

6:00 pm - 10:10 pm

KIX

SEA

20h 10m

1 stop

$602Air Canada

sáb., abr. 18 - jue., abr. 23

8:00 pm - 4:25 pm

SEA

KIX

28h 25m

1 stop

6:00 pm - 10:10 pm

KIX

SEA

20h 10m

1 stop

$603Air Canada

sáb., abr. 18 - jue., abr. 23

8:31 am - 4:30 pm

SEA

NRT

15h 59m

1 stop

5:45 pm - 10:35 am

NRT

SEA

8h 50mnonstop

$613Japan Airlines

mié., abr. 22 - mié., may. 6

6:20 am - 6:35 pm

SEA

NGO

20h 15m

2 stops

2:10 pm - 11:27 pm

NGO

SEA

25h 17m

2 stops

$613United Airlines

jue., abr. 9 - lun., abr. 20

12:55 am - 11:20 am

SEA

NRT

18h 25m

1 stop

9:00 am - 2:55 pm

NRT

SEA

21h 55m

1 stop

$618Asiana Airlines

dom., abr. 12 - jue., abr. 23

3:45 pm - 7:15 pm

SEA

HND

10h 30mnonstop

9:15 pm - 1:20 pm

HND

SEA

9h 05mnonstop

$619United Airlines

mié., feb. 25 - sáb., mar. 7

12:55 am - 11:20 am

SEA

NRT

18h 25m

1 stop

9:00 am - 2:55 pm

NRT

SEA

21h 55m

1 stop

$620Asiana Airlines

dom., abr. 19 - mar., may. 12

1:30 pm - 3:35 pm

SEA

NRT

10h 05mnonstop

6:10 pm - 4:17 pm

NRT

SEA

14h 07m

1 stop

$622Japan Airlines

dom., abr. 19 - mié., abr. 29

10:35 am - 2:05 pm

SEA

HND

10h 30mnonstop

4:50 pm - 9:00 am

HND

SEA

9h 10mnonstop

$624Delta

sáb., feb. 21 - vie., mar. 6

EVA Air flights from Seattle to Japan

Our best EVA Air deals on Seattle to Japan flight tickets

EVA Air

Feb 26

SEA11:30 pmSeattle/Tacoma Intl

26h 40m

1 stop

OKA7:10 pmOkinawa Naha

Mar 5

OKA10:15 amOkinawa Naha

24h 55m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

$859

EVA Air

Jan 29

SEA11:30 pmSeattle/Tacoma Intl

18h 30m

1 stop

CTS11:00 amSapporo Chitose

Feb 5

CTS3:20 pmSapporo Chitose

19h 50m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

$869

EVA Air

Jan 31

SEA11:30 pmSeattle/Tacoma Intl

18h 45m

1 stop

FUK11:15 amFukuoka

Feb 4

FUK8:55 pmFukuoka

14h 15m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

$906

Asiana Airlines flights from Seattle to Japan

Our best Asiana Airlines deals on Seattle to Japan flight tickets

Asiana Airlines

Apr 12

SEA12:55 amSeattle/Tacoma Intl

18h 25m

1 stop

NRT11:20 amTokyo Narita

Apr 23

NRT9:00 amTokyo Narita

21h 55m

1 stop

SEA2:55 pmSeattle/Tacoma Intl

$618

Asiana Airlines

Apr 19

SEA12:55 amSeattle/Tacoma Intl

18h 25m

1 stop

NRT11:20 amTokyo Narita

May 12

NRT9:00 amTokyo Narita

21h 55m

1 stop

SEA2:55 pmSeattle/Tacoma Intl

$620

Asiana Airlines

Apr 14

SEA12:55 amSeattle/Tacoma Intl

28h 05m

1 stop

NRT9:00 pmTokyo Narita

Apr 28

NRT9:00 amTokyo Narita

21h 55m

1 stop

SEA2:55 pmSeattle/Tacoma Intl

$621

Fly from

Fly to

Route

Depart

Return

Price

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

vie. 2/27

7:15 am-4:40 pm

1 stop16h 25m

Osaka Kansai Intl

sáb. 3/7

6:45 am-1:20 pm

1 stop23h 35m

$585

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

sáb. 4/18

8:00 pm-4:25 pm

1 stop28h 25m

Osaka Kansai Intl

jue. 4/23

6:00 pm-10:10 pm

1 stop20h 10m

$602

SeattleOsaka

SEA - KIX

SEAKIX

Seattle/Tacoma Intl

sáb. 4/18

8:00 pm-4:25 pm

1 stop28h 25m

Osaka Kansai Intl

jue. 4/23

6:00 pm-10:10 pm

1 stop20h 10m

$603

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

mié. 4/22

8:31 am-4:30 pm

1 stop15h 59m

Tokyo Narita

mié. 5/6

5:45 pm-10:35 am

Nonstop8h 50m

$613

SeattleNagoya

SEA - NGO

SEANGO

Seattle/Tacoma Intl

jue. 4/9

6:20 am-6:35 pm

2 stops20h 15m

Nagoya Chubu Centrair Intl

lun. 4/20

2:10 pm-11:27 pm

2 stops25h 17m

$613

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

dom. 4/12

12:55 am-11:20 am

1 stop18h 25m

Tokyo Narita

jue. 4/23

9:00 am-2:55 pm

1 stop21h 55m

$618

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

mié. 2/25

3:45 pm-7:15 pm

Nonstop10h 30m

Tokyo Haneda

sáb. 3/7

9:15 pm-1:20 pm

Nonstop9h 05m

$619

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

dom. 4/19

12:55 am-11:20 am

1 stop18h 25m

Tokyo Narita

mar. 5/12

9:00 am-2:55 pm

1 stop21h 55m

$620

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

dom. 4/19

1:30 pm-3:35 pm

Nonstop10h 05m

Tokyo Narita

mié. 4/29

6:10 pm-4:17 pm

1 stop14h 07m

$622

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

sáb. 2/21

10:35 am-2:05 pm

Nonstop10h 30m

Tokyo Haneda

vie. 3/6

4:50 pm-9:00 am

Nonstop9h 10m

$624

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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 $692. If you aren’t able to travel to Japan during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $746.

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 $835. 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 $966. 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 $843 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 $990 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 $923 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 $810 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	$373
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 $373. The best round-trip flight deal from Seattle to Japan found on momondo in the last 72 hours is $659.

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 January 2026.
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 82.67% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 6.37%, Airbus A350-900 at 4.65%, and Airbus A330-200 at 4.07%.

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 2,830 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $370	Free Cancellation	Rating 8.0 11,808 reviews	Search Alaska Airlines flights
Air Canada	PriceFrom $450	Free Cancellation	Rating 7.1 10,667 reviews	Search Air Canada flights
Asiana Airlines	PriceFrom $547	Free Cancellation	Rating 8.1 501 reviews	Search Asiana Airlines flights
United Airlines	PriceFrom $596	Free Cancellation	Rating 7.4 9,215 reviews	Search United Airlines flights
ANA	PriceFrom $615	Free Cancellation	Rating 8.4 1,078 reviews	Search ANA flights
Japan Airlines	PriceFrom $626	Free Cancellation	Rating 8.3 1,691 reviews	Search Japan Airlines flights
Korean Air	PriceFrom $626	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights
Delta	PriceFrom $645	Free Cancellation	Rating 7.9 8,127 reviews	Search Delta flights
Philippine Airlines	PriceFrom $732	Free Cancellation	Rating 7.3 957 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

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Flights to Miyakojimafrom $1,346

Cheap flights from Seattle to Japan from $313

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 3/22. 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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EVA Air flights from Seattle to Japan

Our best EVA Air deals on Seattle to Japan flight tickets

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Our best Asiana 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?

The month of January is, on average, the cheapest month to fly to Japan from Seattle, with most prices found around $692. If you aren’t able to travel to Japan during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $746.

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?

Philippine Airlines, Asiana Airlines, and Japan Airlines 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 18% 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 121 minutes.

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

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights at night 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 8% 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 10 per day as of January 2026. 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?

71 flights are operational weekly from Seattle to Japan as of January 2026. The most popular departure day for this route is Wed, 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