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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0 bags

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Find the cheapest flights from Japan to Seattle

Recent round-trip flight deals from Japan to Seattle

 Logo
12:10 pm - 12:30 pmKIX-SEA
16h 20m1 stop
 Logo
2:15 pm - 10:50 pmSEA-KIX
16h 35m1 stop
Tue, Oct 14 - Tue, Oct 21
 Logo
8:55 am - 12:30 pmNRT-SEA
19h 35m1 stop
 Logo
12:10 am - 10:55 amSEA-NRT
18h 45m1 stop
Tue, Oct 21 - Mon, Oct 27
 Logo
1:50 pm - 2:55 pmNRT-SEA
17h 05m1 stop
 Logo
12:10 am - 9:55 amSEA-NRT
16h 45m1 stop
Tue, Oct 28 - Mon, Nov 3
Delta Logo
4:05 pm - 9:10 amHND-SEA
9h 05mnonstop
Delta Logo
11:30 am - 2:15 pmSEA-HND
10h 45mnonstop
$643Delta
Find Deal
Fri, Oct 3 - Sun, Oct 19
Delta Logo
4:50 pm - 8:45 amHND-SEA
8h 55mnonstop
Delta Logo
10:40 am - 2:05 pmSEA-HND
10h 25mnonstop
$672Delta
Find Deal
Fri, Dec 19 - Tue, Jan 6
Hawaiian Airlines Logo
8:05 pm - 10:40 pmHND-SEA
19h 35m1 stop
Hawaiian Airlines Logo
7:15 am - 7:30 pmSEA-HND
19h 15m1 stop
$714Hawaiian Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 22
EVA Air Logo
1:10 pm - 7:30 pmKIX-SEA
22h 20m1 stop
EVA Air Logo
1:30 am - 10:10 amSEA-KIX
16h 40m1 stop
$860EVA Air
Find Deal
Mon, Sep 29 - Mon, Oct 20
EVA Air Logo
12:10 pm - 7:10 pmCTS-SEA
23h 00m1 stop
EVA Air Logo
12:10 am - 2:05 pmSEA-CTS
20h 55m1 stop
$865EVA Air
Find Deal
Thu, Oct 30 - Wed, Nov 5
ANA Logo
7:00 pm - 6:36 pmITM-SEA
15h 36m2 stops
ANA Logo
4:30 pm - 7:25 amSEA-ITM
22h 55m1 stop
$1,595ANA
Find Deal
Thu, Oct 9 - Thu, Oct 16
ANA Logo
4:00 pm - 1:20 pmITM-SEA
14h 20m1 stop
ANA Logo
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
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
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

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
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
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

momondo Fare Finder

 
Customize your flight search to find flights from Japan to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Japan to Seattle that are best for you.

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
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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?

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)
  • 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?

  • 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?

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
ANAPriceFrom $453Free CancellationRating
8.4
961 reviews
Search ANA flights
EVA AirPriceFrom $644Free CancellationRating
8.4
1,236 reviews
Search EVA Air flights
DeltaPriceFrom $692Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $698Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
STARLUX AirlinesPriceFrom $708Free CancellationRating
8.9
211 reviews
Search STARLUX Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
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.

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1 adult
Wed 10/15
Wed 10/22

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