Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

According to our data, Philippine Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

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

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.

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 14h 15m 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 often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

Historically, on average around 17% of flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

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

Hainan Airlines, WestJet, and China Airlines are the most popular carriers operating from Japan to Seattle/Tacoma Intl

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.

$347 Cheap Flights from Japan to Seattle in 2025/26

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Round-trip

One-way

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Recent round-trip flight deals from Japan to Seattle

Enter your travel dates to find the best prices.

4:50 pm - 8:55 amHND-SEA

9h 05mnonstop

10:40 am - 2:05 pmSEA-HND

10h 25mnonstop

$605Delta

Find Deal

Wed, Jan 21 - Thu, Jan 29

4:15 pm - 8:38 pmNRT-SEA

21h 23m1 stop

12:01 pm - 2:25 pmSEA-NRT

33h 24m1 stop

$605Multiple Airlines

Find Deal

Wed, Dec 17 - Sun, Feb 8

6:15 pm - 2:31 pmNRT-SEA

13h 16m1 stop

8:00 pm - 4:20 pmSEA-NRT

27h 20m1 stop

$606Air Canada

Find Deal

Fri, Jan 23 - Sat, Jan 31

4:00 pm - 2:31 pmNRT-SEA

15h 31m1 stop

12:30 pm - 4:00 pmSEA-NRT

10h 30mnonstop

$614Multiple Airlines

Find Deal

Thu, Dec 18 - Wed, Dec 31

9:20 pm - 10:17 pmHND-SEA

17h 57m1 stop

8:50 am - 7:30 pmSEA-HND

17h 40m1 stop

$619Alaska Airlines

Find Deal

Wed, Jan 21 - Wed, Jan 28

8:05 pm - 9:02 pmHND-SEA

17h 57m1 stop

3:45 pm - 5:10 pmSEA-HND

32h 25m1 stop

$652Alaska Airlines

Find Deal

Thu, Jan 22 - Wed, Jan 28

10:55 am - 6:30 pmKIX-SEA

23h 35m1 stop

11:50 pm - 11:55 amSEA-KIX

20h 05m1 stop

$836EVA Air

Find Deal

Sat, Mar 14 - Sat, Mar 21

10:15 am - 5:30 pmOKA-SEA

24h 15m1 stop

12:10 am - 9:15 amSEA-OKA

16h 05m1 stop

$859EVA Air

Find Deal

Thu, Dec 11 - Tue, Dec 30

5:50 pm - 1:20 pmIWK-SEA

12h 30m1 stop

3:45 pm - 2:10 pmSEA-IWK

29h 25m1 stop

$1,250ANA

Find Deal

Fri, Feb 13 - Mon, Feb 16

5:50 pm - 1:20 pmIWK-SEA

12h 30m1 stop

3:45 pm - 8:20 amSEA-IWK

23h 35m1 stop

$1,253ANA

Find Deal

Fri, Feb 13 - Mon, Feb 16

American Airlines flights from Japan to Seattle

Our best American Airlines deals on Japan to Seattle flight tickets

American Airlines

Feb 18

HND8:25 pmTokyo Haneda

19h 27m

1 stop

SEA10:52 pmSeattle/Tacoma Intl

Feb 23

SEA6:00 amSeattle/Tacoma Intl

16h 05m

1 stop

HND3:05 pmTokyo Haneda

$632

Find similar

American Airlines

Dec 4

HND5:55 pmTokyo Haneda

18h 17m

1 stop

SEA7:12 pmSeattle/Tacoma Intl

Dec 9

SEA6:05 amSeattle/Tacoma Intl

16h 00m

1 stop

HND3:05 pmTokyo Haneda

$634

Find similar

American Airlines

Dec 4

HND5:55 pmTokyo Haneda

18h 17m

1 stop

SEA7:12 pmSeattle/Tacoma Intl

Dec 8

SEA12:31 amSeattle/Tacoma Intl

21h 34m

2 stops

HND3:05 pmTokyo Haneda

$648

Find similar

Hawaiian Airlines flights from Japan to Seattle

Our best Hawaiian Airlines deals on Japan to Seattle flight tickets

Hawaiian Airlines

Dec 18

NRT6:30 pmTokyo Narita

9h 05m

SEA10:35 amSeattle/Tacoma Intl

Dec 31

SEA12:30 pmSeattle/Tacoma Intl

10h 30m

NRT4:00 pmTokyo Narita

$659

Find similar

Hawaiian Airlines

Dec 23

NRT6:30 pmTokyo Narita

9h 05m

SEA10:35 amSeattle/Tacoma Intl

Dec 31

SEA12:30 pmSeattle/Tacoma Intl

10h 30m

NRT4:00 pmTokyo Narita

$695

Find similar

Hawaiian Airlines

Nov 24

NRT6:30 pmTokyo Narita

9h 10m

SEA10:40 amSeattle/Tacoma Intl

Dec 7

SEA12:35 pmSeattle/Tacoma Intl

10h 25m

NRT4:00 pmTokyo Narita

$726

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Wed 1/21

4:50 pm-8:55 am

Nonstop9h 05m

Seattle/Tacoma Intl

Thu 1/29

10:40 am-2:05 pm

Nonstop10h 25m

$605

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Wed 12/17

4:15 pm-8:38 pm

1 stop21h 23m

Seattle/Tacoma Intl

Sun 2/8

12:01 pm-2:25 pm

1 stop33h 24m

$605

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Fri 1/23

6:15 pm-2:31 pm

1 stop13h 16m

Seattle/Tacoma Intl

Sat 1/31

8:00 pm-4:20 pm

1 stop27h 20m

$606

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Thu 12/18

4:00 pm-2:31 pm

1 stop15h 31m

Seattle/Tacoma Intl

Wed 12/31

12:30 pm-4:00 pm

Nonstop10h 30m

$614

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Wed 1/21

9:20 pm-10:17 pm

1 stop17h 57m

Seattle/Tacoma Intl

Wed 1/28

8:50 am-7:30 pm

1 stop17h 40m

$619

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Thu 1/22

8:05 pm-9:02 pm

1 stop17h 57m

Seattle/Tacoma Intl

Wed 1/28

3:45 pm-5:10 pm

1 stop32h 25m

$652

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sat 3/14

10:55 am-6:30 pm

1 stop23h 35m

Seattle/Tacoma Intl

Sat 3/21

11:50 pm-11:55 am

1 stop20h 05m

$836

OkinawaSeattle

OKA - SEA

OKASEA

Okinawa Naha

Thu 12/11

10:15 am-5:30 pm

1 stop24h 15m

Seattle/Tacoma Intl

Tue 12/30

12:10 am-9:15 am

1 stop16h 05m

$859

IwakuniSeattle

IWK - SEA

IWKSEA

MCAS Iwakuni

Fri 2/13

5:50 pm-1:20 pm

1 stop12h 30m

Seattle/Tacoma Intl

Mon 2/16

3:45 pm-2:10 pm

1 stop29h 25m

$1,250

IwakuniSeattle

IWK - SEA

IWKSEA

MCAS Iwakuni

Fri 2/13

5:50 pm-1:20 pm

1 stop12h 30m

Seattle/Tacoma Intl

Mon 2/16

3:45 pm-8:20 am

1 stop23h 35m

$1,253

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

Delays

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 $812. 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 $846.

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 1,007 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 2,811 reviews	Search Hawaiian Airlines flights
STARLUX Airlines	PriceFrom $708	Free Cancellation	Rating 8.9 232 reviews	Search STARLUX Airlines flights
EVA Air	PriceFrom $878	Free Cancellation	Rating 8.4 1,279 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 $347

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 1/21. 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

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

American Airlines flights from Japan to Seattle

Our best American Airlines deals on Japan to Seattle flight tickets

Hawaiian Airlines flights from Japan to Seattle

Our best Hawaiian Airlines deals on Japan to Seattle flight tickets

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Use the filters below to find and compare flights from Japan to Seattle that are best for you.

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?

Hainan Airlines, WestJet, and China Airlines are the most popular carriers operating from Japan to Seattle/Tacoma Intl

What airlines fly to Seattle?

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

Historically, on average around 17% of flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced a delay on any given week. The average delay length over the past 12 months has been 153 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

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

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

According to our data, Philippine Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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