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

Air Canada, Korean Air, 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 September 2025. The most popular departure time for this route is 5:00PM, with 54% of flights per day taking off in the afternoon.

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

As of September 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?

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 14h 05m 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.

What airlines fly to Seattle?

Delta, EVA Air and STARLUX 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 56% 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.

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 September 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.

$365 Cheap Flights from Japan to Seattle in 2025/26

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Find the cheapest flights from Japan to Seattle

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Japan to Seattle

12:10 pm - 12:30 pmKIX-SEA

16h 20m1 stop

2:15 pm - 10:50 pmSEA-KIX

16h 35m1 stop

$545

Find Deal

Tue, Oct 14 - Tue, Oct 21

8:55 am - 12:30 pmNRT-SEA

19h 35m1 stop

12:10 am - 10:55 amSEA-NRT

18h 45m1 stop

$589

Find Deal

Tue, Oct 21 - Mon, Oct 27

1:50 pm - 2:55 pmNRT-SEA

17h 05m1 stop

12:10 am - 9:55 amSEA-NRT

16h 45m1 stop

$605

Find Deal

Tue, Oct 28 - Mon, Nov 3

4:05 pm - 9:10 amHND-SEA

9h 05mnonstop

11:30 am - 2:15 pmSEA-HND

10h 45mnonstop

$643Delta

Find Deal

Fri, Oct 3 - Sun, Oct 19

4:50 pm - 8:45 amHND-SEA

8h 55mnonstop

10:40 am - 2:05 pmSEA-HND

10h 25mnonstop

$672Delta

Find Deal

Fri, Dec 19 - Tue, Jan 6

8:05 pm - 10:40 pmHND-SEA

19h 35m1 stop

7:15 am - 7:30 pmSEA-HND

19h 15m1 stop

$714Hawaiian Airlines

Find Deal

Thu, Jan 15 - Thu, Jan 22

1:10 pm - 7:30 pmKIX-SEA

22h 20m1 stop

1:30 am - 10:10 amSEA-KIX

16h 40m1 stop

$860EVA Air

Find Deal

Mon, Sep 29 - Mon, Oct 20

12:10 pm - 7:10 pmCTS-SEA

23h 00m1 stop

12:10 am - 2:05 pmSEA-CTS

20h 55m1 stop

$865EVA Air

Find Deal

Thu, Oct 30 - Wed, Nov 5

7:00 pm - 6:36 pmITM-SEA

15h 36m2 stops

4:30 pm - 7:25 amSEA-ITM

22h 55m1 stop

$1,595ANA

Find Deal

Thu, Oct 9 - Thu, Oct 16

4:00 pm - 1:20 pmITM-SEA

14h 20m1 stop

3:45 pm - 10:10 amSEA-ITM

25h 25m1 stop

$1,631ANA

Find Deal

Mon, Jan 12 - Tue, Jan 20

Delta flights from Japan to Seattle

Our best Delta deals on Japan to Seattle flight tickets

Delta

Oct 3

HND4:05 pmTokyo Haneda

9h 05m

SEA9:10 amSeattle/Tacoma Intl

Oct 19

SEA11:30 amSeattle/Tacoma Intl

10h 45m

HND2:15 pmTokyo Haneda

$643

Find similar

Delta

Dec 19

HND4:50 pmTokyo Haneda

8h 55m

SEA8:45 amSeattle/Tacoma Intl

Jan 6

SEA10:40 amSeattle/Tacoma Intl

10h 25m

HND2:05 pmTokyo Haneda

$672

Find similar

Delta

Dec 12

HND4:50 pmTokyo Haneda

8h 55m

SEA8:45 amSeattle/Tacoma Intl

Jan 6

SEA10:40 amSeattle/Tacoma Intl

10h 25m

HND2:05 pmTokyo Haneda

$673

Find similar

Philippine Airlines flights from Japan to Seattle

Our best Philippine Airlines deals on Japan to Seattle flight tickets

Philippine Airlines

Oct 3

HND3:05 pmTokyo Haneda

20h 10m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Oct 19

SEA11:35 pmSeattle/Tacoma Intl

22h 05m

1 stop

HND1:40 pmTokyo Haneda

$703

Find similar

Philippine Airlines

Oct 3

HND3:05 pmTokyo Haneda

20h 10m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Oct 19

SEA11:35 pmSeattle/Tacoma Intl

32h 50m

1 stop

HND12:25 amTokyo Haneda

$712

Find similar

Philippine Airlines

Sep 21

NRT9:30 amTokyo Narita

25h 45m

1 stop

SEA7:15 pmSeattle/Tacoma Intl

Sep 28

SEA11:35 pmSeattle/Tacoma Intl

28h 55m

1 stop

NRT8:30 pmTokyo Narita

$717

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Tue 10/14

12:10 pm-12:30 pm

1 stop16h 20m

Seattle/Tacoma Intl

Tue 10/21

2:15 pm-10:50 pm

1 stop16h 35m

$545

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Tue 10/21

8:55 am-12:30 pm

1 stop19h 35m

Seattle/Tacoma Intl

Mon 10/27

12:10 am-10:55 am

1 stop18h 45m

$589

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Tue 10/28

1:50 pm-2:55 pm

1 stop17h 05m

Seattle/Tacoma Intl

Mon 11/3

12:10 am-9:55 am

1 stop16h 45m

$605

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Fri 10/3

4:05 pm-9:10 am

Nonstop9h 05m

Seattle/Tacoma Intl

Sun 10/19

11:30 am-2:15 pm

Nonstop10h 45m

$643

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Fri 12/19

4:50 pm-8:45 am

Nonstop8h 55m

Seattle/Tacoma Intl

Tue 1/6

10:40 am-2:05 pm

Nonstop10h 25m

$672

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Thu 1/15

8:05 pm-10:40 pm

1 stop19h 35m

Seattle/Tacoma Intl

Thu 1/22

7:15 am-7:30 pm

1 stop19h 15m

$714

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Mon 9/29

1:10 pm-7:30 pm

1 stop22h 20m

Seattle/Tacoma Intl

Mon 10/20

1:30 am-10:10 am

1 stop16h 40m

$860

SapporoSeattle

CTS - SEA

CTSSEA

Sapporo Chitose

Thu 10/30

12:10 pm-7:10 pm

1 stop23h 00m

Seattle/Tacoma Intl

Wed 11/5

12:10 am-2:05 pm

1 stop20h 55m

$865

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Thu 10/9

7:00 pm-6:36 pm

2 stops15h 36m

Seattle/Tacoma Intl

Thu 10/16

4:30 pm-7:25 am

1 stop22h 55m

$1,595

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Mon 1/12

4:00 pm-1:20 pm

1 stop14h 20m

Seattle/Tacoma Intl

Tue 1/20

3:45 pm-10:10 am

1 stop25h 25m

$1,631

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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, April 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 $865. If you don’t want to visit Seattle in April, then you should wait until December to fly from Japan, when ticket prices are also cheap, with an average price of $912.

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 $951. 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 $1,109.

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 $1,603. 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	$458
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 $458. The best round-trip flight deal from Japan to Seattle found on momondo in the last 72 hours is $539.

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 September 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 (41.58% of total bookings). The next most popular plane models are Airbus A330-200 (18.23%), Boeing 787-8 Dreamliner (10.55%), and Airbus A350-900 (10.45%).

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 $453	Free Cancellation	Rating 8.4 961 reviews	Search ANA flights
EVA Air	PriceFrom $644	Free Cancellation	Rating 8.4 1,236 reviews	Search EVA Air flights
Delta	PriceFrom $692	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $698	Free Cancellation	Rating 7.8 2,723 reviews	Search Hawaiian Airlines flights
STARLUX Airlines	PriceFrom $708	Free Cancellation	Rating 8.9 211 reviews	Search STARLUX Airlines flights

Leavenworth

Tacoma

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Kirkland

Tukwila

Shoreline

Lakewood

Centralia

Fife

Cle Elum

Redmond

Westport

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

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.

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Cheap flights from Japan to Seattle from $365

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 10/23. 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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Big names and deals

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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

Recent one-way flight deals from Japan to Seattle

Recent last minute flight deals from Japan to Seattle

Recent direct flight deals from Japan to Seattle

Delta flights from Japan to Seattle

Our best Delta deals on Japan to Seattle flight tickets

Philippine Airlines flights from Japan to Seattle

Our best Philippine Airlines deals on Japan to Seattle flight tickets

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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

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?

Air Canada, Korean Air, 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 September 2025. The most popular departure time for this route is 5:00PM, with 54% of flights per day taking off in the afternoon.

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

As of September 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