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

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

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

11 flights are operational daily from Japan to Seattle as of November 2025. The most popular departure time for this route is 6:00PM, with 81% of flights per day taking off in the evening.

What airlines fly to Seattle?

Delta, EVA Air and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Japan according to our data. Delta is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Seattle?

Flight times vary depending on what airport in Japan you fly out of and what airport in Seattle you fly into. For example, flying from Tokyo to Seattle takes 8h 47m on average. On the other hand, flying from Osaka to Seattle takes 15h 22m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

As of November 2025, 77 flights take off from Japan and land in Seattle each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

Prices for flights from Japan to Seattle/Tacoma Intl Airport are updated daily.

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

As of November 2025, there are 5 operators available to choose from for flights from Japan to Seattle/Tacoma Intl Airport.

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

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 Japan to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$384 Cheap Flights from Japan to Seattle in 2025/26

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Recent round-trip flight deals from Japan to Seattle

Enter your travel dates to find the best prices.

2:30 am - 8:00 amHND-SEA

22h 30m1 stop

7:00 am - 5:10 pmSEA-HND

17h 10m1 stop

$613Multiple Airlines

Find Deal

Fri, Jan 16 - Wed, Jan 28

2:30 am - 8:00 amHND-SEA

22h 30m1 stop

7:00 am - 7:30 pmSEA-HND

19h 30m1 stop

$614Multiple Airlines

Find Deal

Fri, Jan 16 - Fri, Jan 30

2:30 am - 8:00 amHND-SEA

22h 30m1 stop

7:00 am - 5:10 pmSEA-HND

17h 10m1 stop

$618Multiple Airlines

Find Deal

Fri, Jan 16 - Mon, Jan 26

6:30 pm - 10:35 amNRT-SEA

9h 05mnonstop

12:20 pm - 4:00 pmSEA-NRT

10h 40mnonstop

$689Hawaiian Airlines

Find Deal

Thu, Dec 25 - Wed, Jan 7

4:50 pm - 8:55 amHND-SEA

9h 05mnonstop

10:40 am - 2:05 pmSEA-HND

10h 25mnonstop

$699Delta

Find Deal

Wed, Jan 14 - Wed, Jan 28

4:50 pm - 8:55 amHND-SEA

9h 05mnonstop

10:40 am - 2:05 pmSEA-HND

10h 25mnonstop

$718Delta

Find Deal

Sat, Jan 17 - Sun, Jan 25

6:30 pm - 7:30 pmKIX-SEA

17h 00m1 stop

1:50 am - 10:10 amSEA-KIX

16h 20m1 stop

$841EVA Air

Find Deal

Wed, Apr 29 - Mon, May 4

10:15 am - 7:30 pmOKA-SEA

25h 15m1 stop

12:30 am - 9:15 amSEA-OKA

16h 45m1 stop

$866EVA Air

Find Deal

Mon, Apr 20 - Sat, Apr 25

6:00 pm - 1:20 pmITM-SEA

12h 20m1 stop

10:05 am - 7:30 amSEA-ITM

28h 25m2 stops

$1,621ANA

Find Deal

Thu, Nov 20 - Mon, Nov 24

4:50 pm - 1:20 pmITM-SEA

13h 30m1 stop

10:05 am - 7:30 amSEA-ITM

28h 25m2 stops

$1,622ANA

Find Deal

Thu, Nov 20 - Mon, Nov 24

Alaska Airlines flights from Japan to Seattle

Our best Alaska Airlines deals on Japan to Seattle flight tickets

Alaska Airlines

Jan 13

KIX8:45 pmOsaka Kansai Intl

16h 22m

1 stop

SEA8:07 pmSeattle/Tacoma Intl

Jan 25

SEA7:00 amSeattle/Tacoma Intl

18h 45m

1 stop

KIX6:45 pmOsaka Kansai Intl

$624

Find similar

Alaska Airlines

Jan 13

KIX8:45 pmOsaka Kansai Intl

16h 22m

1 stop

SEA8:07 pmSeattle/Tacoma Intl

Jan 30

SEA7:00 amSeattle/Tacoma Intl

18h 45m

1 stop

KIX6:45 pmOsaka Kansai Intl

$626

Find similar

Alaska Airlines

Jan 13

KIX8:45 pmOsaka Kansai Intl

16h 22m

1 stop

SEA8:07 pmSeattle/Tacoma Intl

Jan 29

SEA7:00 amSeattle/Tacoma Intl

18h 45m

1 stop

KIX6:45 pmOsaka Kansai Intl

$682

Find similar

Delta flights from Japan to Seattle

Our best Delta deals on Japan to Seattle flight tickets

Delta

Jan 14

HND4:50 pmTokyo Haneda

9h 05m

SEA8:55 amSeattle/Tacoma Intl

Jan 28

SEA10:40 amSeattle/Tacoma Intl

10h 25m

HND2:05 pmTokyo Haneda

$699

Find similar

Delta

Jan 17

HND4:50 pmTokyo Haneda

9h 05m

SEA8:55 amSeattle/Tacoma Intl

Jan 26

SEA10:40 amSeattle/Tacoma Intl

10h 25m

HND2:05 pmTokyo Haneda

$718

Find similar

Delta

Nov 18

HND4:50 pmTokyo Haneda

9h 15m

SEA9:05 amSeattle/Tacoma Intl

Dec 2

SEA10:35 amSeattle/Tacoma Intl

10h 30m

HND2:05 pmTokyo Haneda

$732

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Fri 1/16

2:30 am-8:00 am

1 stop22h 30m

Seattle/Tacoma Intl

Wed 1/28

7:00 am-5:10 pm

1 stop17h 10m

$613

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Fri 1/16

2:30 am-8:00 am

1 stop22h 30m

Seattle/Tacoma Intl

Fri 1/30

7:00 am-7:30 pm

1 stop19h 30m

$614

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Fri 1/16

2:30 am-8:00 am

1 stop22h 30m

Seattle/Tacoma Intl

Mon 1/26

7:00 am-5:10 pm

1 stop17h 10m

$618

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Thu 12/25

6:30 pm-10:35 am

Nonstop9h 05m

Seattle/Tacoma Intl

Wed 1/7

12:20 pm-4:00 pm

Nonstop10h 40m

$689

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Wed 1/14

4:50 pm-8:55 am

Nonstop9h 05m

Seattle/Tacoma Intl

Wed 1/28

10:40 am-2:05 pm

Nonstop10h 25m

$699

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Sat 1/17

4:50 pm-8:55 am

Nonstop9h 05m

Seattle/Tacoma Intl

Sun 1/25

10:40 am-2:05 pm

Nonstop10h 25m

$718

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Wed 4/29

6:30 pm-7:30 pm

1 stop17h 00m

Seattle/Tacoma Intl

Mon 5/4

1:50 am-10:10 am

1 stop16h 20m

$841

OkinawaSeattle

OKA - SEA

OKASEA

Okinawa Naha

Mon 4/20

10:15 am-7:30 pm

1 stop25h 15m

Seattle/Tacoma Intl

Sat 4/25

12:30 am-9:15 am

1 stop16h 45m

$866

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 11/20

6:00 pm-1:20 pm

1 stop12h 20m

Seattle/Tacoma Intl

Mon 11/24

10:05 am-7:30 am

2 stops28h 25m

$1,621

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 11/20

4:50 pm-1:20 pm

1 stop13h 30m

Seattle/Tacoma Intl

Mon 11/24

10:05 am-7:30 am

2 stops28h 25m

$1,622

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How to get the cheapest flight ticket from Japan to Seattle

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 Seattle?

In general, December is the cheapest month to fly from Japan to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $832. If you don’t want to visit Seattle in December, then you should wait until April to fly from Japan, when ticket prices are also cheap, with an average price of $865.

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

On average, the least expensive day to fly to Seattle from Japan is on a Thursday. momondo users have found tickets for Thursday departures for as low as $898. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Japan because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,108.

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

Flying to Seattle from Japan in the morning is the least expensive time of day to depart. momondo users have found prices as low as $958 when looking at flights departing in the morning. Flights to Seattle are more costly in the evening, with an average ticket price of $1,574. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

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

There are 4 cabin classes available to choose from on Japan to Seattle/Tacoma Intl 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 Japan to Seattle flights?

No. A direct flight is the cheapest option for a flight between Japan to Seattle.

Cheap Japan to Seattle flight deals and tips

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

Best Price Found	$467
Fastest flight time	8h 40m
Direct flights	Every day
Airports in Seattle	1 airport

The best one-way flight to Seattle from Japan in the past 72 hours is $467. The best round-trip flight deal from Japan to Seattle found on momondo in the last 72 hours is $701.

The fastest flight from Japan to Seattle takes 8h 40m

Direct flights go from Japan to Seattle every day.

There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

Search flight deals

When did momondo last update prices for flights from Japan to Seattle/Tacoma Intl Airport?
Prices for flights from Japan to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Japan to Seattle/Tacoma Intl Airport?
As of November 2025, there are 5 operators available to choose from for flights from Japan to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Japan to Seattle/Tacoma Intl Airport?
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 Japan to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Japan to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Japan to Seattle is Boeing 787-9 Dreamliner (48.45% of total bookings). The next most popular plane models are Airbus A330-200 (23.19%), Boeing 787-8 Dreamliner (7.98%), and Boeing 777-300ER (4.43%).

Best airlines flying from Japan to Seattle

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

Airline	Rating	Free Cancellation	Price
ANA	PriceFrom $426	Free Cancellation	Rating 8.4 1,003 reviews	Search ANA flights
Delta	PriceFrom $641	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $698	Free Cancellation	Rating 7.8 2,804 reviews	Search Hawaiian Airlines flights
STARLUX Airlines	PriceFrom $708	Free Cancellation	Rating 8.9 219 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $878	Free Cancellation	Rating 8.4 1,270 reviews	Search EVA Air flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Lakewood

Federal Way

Fife

Cle Elum

Centralia

Kirkland

Westport

Shoreline

Why use momondo?

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

Finding the right flight to Seattle from Japan is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Seattle from Japan which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Japan to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Japan to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

An easier way to manage your Seattle trip

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Cheap flights from Japan to Seattle from $384

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Japan to Seattle departing on 12/22. 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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Filter for what you want

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Find the cheapest flights from Japan to Seattle

Recent round-trip flight deals from Japan to Seattle

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Recent direct flight deals from Japan to Seattle

Alaska Airlines flights from Japan to Seattle

Our best Alaska Airlines deals on Japan to Seattle flight tickets

Delta flights from Japan to Seattle

Our best Delta deals on Japan to Seattle flight tickets

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See travel insights to Seattle from

How to get the cheapest flight ticket from Japan to Seattle

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 Seattle?

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

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

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

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

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

There are 4 cabin classes available to choose from on Japan to Seattle/Tacoma Intl 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 Japan to Seattle flights?

No. A direct flight is the cheapest option for a flight between Japan to Seattle.

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

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

What airlines fly to Seattle?

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

11 flights are operational daily from Japan to Seattle as of November 2025. The most popular departure time for this route is 6:00PM, with 81% of flights per day taking off in the evening.

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

As of November 2025, 77 flights take off from Japan and land in Seattle each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

How long does it take to fly to Seattle?

Cheap Japan to Seattle flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Seattle

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

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

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

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

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

Best airlines flying from Japan to Seattle

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

Traveling to a place near Seattle?

Why use momondo?

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

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

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

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

An easier way to manage your Seattle 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 the United States

Airports servicing Washington