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 54% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

WestJet 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 week?

As of October 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 35m 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 day?

11 flights are operational daily from Japan to Seattle as of October 2025. The most popular departure time for this route is 5:00PM, with 54% of flights per day taking off in the afternoon.

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 October 2025, there are 6 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.

$345 Cheap Flights from Japan to Seattle in 2025/26

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Recent round-trip flight deals from Japan to Seattle

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4:15 pm - 8:42 pmNRT-SEA

21h 27m1 stop

10:30 pm - 12:55 pmSEA-NRT

22h 25m1 stop

$643Multiple Airlines

Find Deal

sex, fev 27 - qua, mar 11

8:25 pm - 11:22 pmHND-SEA

19h 57m1 stop

7:04 pm - 5:05 amSEA-HND

17h 01m1 stop

$651American Airlines

Find Deal

qua, fev 18 - seg, fev 23

6:15 pm - 10:06 pmNRT-SEA

20h 51m1 stop

5:50 am - 4:20 pmSEA-NRT

17h 30m1 stop

$685Air Canada

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qui, dez 11 - sáb, dez 27

6:15 pm - 10:06 pmNRT-SEA

20h 51m1 stop

10:05 am - 4:20 pmSEA-NRT

13h 15m1 stop

$692Air Canada

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sex, dez 19 - ter, jan 6

4:50 pm - 8:45 amHND-SEA

8h 55mnonstop

10:40 am - 2:05 pmSEA-HND

10h 25mnonstop

$711Delta

Find Deal

sex, dez 26 - ter, jan 6

4:50 pm - 9:00 amHND-SEA

9h 10mnonstop

10:35 am - 2:05 pmSEA-HND

10h 30mnonstop

$731Delta

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qui, fev 19 - sex, fev 27

11:45 am - 5:30 pmKMQ-SEA

22h 45m1 stop

12:10 am - 10:25 amSEA-KMQ

17h 15m1 stop

$838EVA Air

Find Deal

qui, nov 13 - dom, nov 16

11:45 am - 5:30 pmKMQ-SEA

22h 45m1 stop

12:10 am - 10:25 amSEA-KMQ

17h 15m1 stop

$842EVA Air

Find Deal

qui, nov 13 - dom, nov 16

7:35 am - 1:20 pmIWK-SEA

22h 45m1 stop

10:05 am - 9:50 pmSEA-IWK

18h 45m2 stops

$1,695ANA

Find Deal

seg, nov 17 - ter, nov 25

7:35 am - 1:20 pmIWK-SEA

22h 45m1 stop

3:40 pm - 8:20 amSEA-IWK

23h 40m1 stop

$1,734ANA

Find Deal

seg, nov 17 - ter, nov 25

Korean Air flights from Japan to Seattle

Our best Korean Air deals on Japan to Seattle flight tickets

Korean Air

Dec 18

HND2:00 amTokyo Haneda

24h 00m

1 stop

SEA9:00 amSeattle/Tacoma Intl

Jan 6

SEA11:00 amSeattle/Tacoma Intl

18h 50m

1 stop

HND10:50 pmTokyo Haneda

$730

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Korean Air

Dec 19

HND9:45 amTokyo Haneda

16h 15m

1 stop

SEA9:00 amSeattle/Tacoma Intl

Jan 6

SEA11:00 amSeattle/Tacoma Intl

18h 50m

1 stop

HND10:50 pmTokyo Haneda

$740

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Air Canada flights from Japan to Seattle

Our best Air Canada deals on Japan to Seattle flight tickets

Air Canada

Dec 11

NRT6:15 pmTokyo Narita

20h 51m

1 stop

SEA10:06 pmSeattle/Tacoma Intl

Dec 27

SEA5:50 amSeattle/Tacoma Intl

17h 30m

1 stop

NRT4:20 pmTokyo Narita

$685

Find similar

Air Canada

Dec 19

NRT6:15 pmTokyo Narita

20h 51m

1 stop

SEA10:06 pmSeattle/Tacoma Intl

Jan 6

SEA10:05 amSeattle/Tacoma Intl

13h 15m

1 stop

NRT4:20 pmTokyo Narita

$692

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Air Canada

Feb 19

NRT6:15 pmTokyo Narita

18h 01m

1 stop

SEA7:16 pmSeattle/Tacoma Intl

Feb 27

SEA3:40 pmSeattle/Tacoma Intl

31h 40m

1 stop

NRT4:20 pmTokyo Narita

$694

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Fly from

Fly to

Route

Depart

Return

Price

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

sex 2/27

4:15 pm-8:42 pm

1 stop21h 27m

Seattle/Tacoma Intl

qua 3/11

10:30 pm-12:55 pm

1 stop22h 25m

$643

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

qua 2/18

8:25 pm-11:22 pm

1 stop19h 57m

Seattle/Tacoma Intl

seg 2/23

7:04 pm-5:05 am

1 stop17h 01m

$651

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

qui 12/11

6:15 pm-10:06 pm

1 stop20h 51m

Seattle/Tacoma Intl

sáb 12/27

5:50 am-4:20 pm

1 stop17h 30m

$685

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

sex 12/19

6:15 pm-10:06 pm

1 stop20h 51m

Seattle/Tacoma Intl

ter 1/6

10:05 am-4:20 pm

1 stop13h 15m

$692

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

sex 12/26

4:50 pm-8:45 am

Nonstop8h 55m

Seattle/Tacoma Intl

ter 1/6

10:40 am-2:05 pm

Nonstop10h 25m

$711

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

qui 2/19

4:50 pm-9:00 am

Nonstop9h 10m

Seattle/Tacoma Intl

sex 2/27

10:35 am-2:05 pm

Nonstop10h 30m

$731

KomatsuSeattle

KMQ - SEA

KMQSEA

Komatsu

qui 11/13

11:45 am-5:30 pm

1 stop22h 45m

Seattle/Tacoma Intl

dom 11/16

12:10 am-10:25 am

1 stop17h 15m

$838

KomatsuSeattle

KMQ - SEA

KMQSEA

Komatsu

qui 11/13

11:45 am-5:30 pm

1 stop22h 45m

Seattle/Tacoma Intl

dom 11/16

12:10 am-10:25 am

1 stop17h 15m

$842

IwakuniSeattle

IWK - SEA

IWKSEA

MCAS Iwakuni

seg 11/17

7:35 am-1:20 pm

1 stop22h 45m

Seattle/Tacoma Intl

ter 11/25

10:05 am-9:50 pm

2 stops18h 45m

$1,695

IwakuniSeattle

IWK - SEA

IWKSEA

MCAS Iwakuni

seg 11/17

7:35 am-1:20 pm

1 stop22h 45m

Seattle/Tacoma Intl

ter 11/25

3:40 pm-8:20 am

1 stop23h 40m

$1,734

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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, 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 $839. 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 $882. 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 $1,111.

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	$455
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 $455. The best round-trip flight deal from Japan to Seattle found on momondo in the last 72 hours is $641.

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 October 2025, there are 6 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 (41.17% of total bookings). The next most popular plane models are Airbus A330-200 (24.00%), Airbus A350-900 (9.74%), and Boeing 787-8 Dreamliner (8.53%).

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 8.4 986 reviews	Search ANA flights
Delta	PriceFrom $642	Free Cancellation	Rating 7.9 7,978 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $698	Free Cancellation	Rating 7.8 2,781 reviews	Search Hawaiian Airlines flights
STARLUX Airlines	PriceFrom $708	Free Cancellation	Rating 8.9 219 reviews	Search STARLUX Airlines flights
China Airlines	PriceFrom $812	Free Cancellation	Rating 8.3 768 reviews	Search China Airlines flights
EVA Air	PriceFrom $900	Free Cancellation	Rating 8.4 1,251 reviews	Search EVA Air flights

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Renton

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Kent

Marysville

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Fife

Centralia

Shoreline

Cle Elum

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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 $345

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 12/4. 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 Japan to Seattle

Our best Korean Air deals on Japan to Seattle flight tickets

Air Canada flights from Japan to Seattle

Our best Air Canada 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?

WestJet 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 October 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 October 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