Cheap flights from Japan to Seattle from $394

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 9/27. 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

American Airlines Logo
7:45 pm - 9:58 pmHND-SEA
18h 13m1 stop
American Airlines Logo
3:23 pm - 4:45 amSEA-HND
21h 22m1 stop
$614American Airlines
Find Deal
Wed, Sep 24 - Mon, Sep 29
American Airlines Logo
7:45 pm - 9:58 pmHND-SEA
18h 13m1 stop
American Airlines Logo
3:23 pm - 4:45 amSEA-HND
21h 22m1 stop
$616American Airlines
Find Deal
Mon, Sep 22 - Mon, Sep 29
Delta Logo
4:05 pm - 9:20 amHND-SEA
9h 15mnonstop
Delta Logo
11:45 am - 2:15 pmSEA-HND
10h 30mnonstop
$642Delta
Find Deal
Tue, Sep 9 - Mon, Sep 22
Delta Logo
4:05 pm - 9:20 amHND-SEA
9h 15mnonstop
Delta Logo
11:45 am - 2:15 pmSEA-HND
10h 30mnonstop
$643Delta
Find Deal
Wed, Sep 24 - Mon, Sep 29
Air Canada Logo
6:15 pm - 10:06 pmNRT-SEA
20h 51m1 stop
Air Canada Logo
5:50 am - 4:20 pmSEA-NRT
17h 30m1 stop
$725Air Canada
Find Deal
Tue, Dec 23 - Sat, Jan 3
Air Canada Logo
6:15 pm - 9:31 amNRT-SEA
32h 16m1 stop
Air Canada Logo
5:50 am - 4:20 pmSEA-NRT
17h 30m1 stop
$752Air Canada
Find Deal
Fri, Dec 19 - Sat, Jan 10
EVA Air Logo
6:30 pm - 7:30 pmKIX-SEA
17h 00m1 stop
EVA Air Logo
1:30 am - 10:10 amSEA-KIX
16h 40m1 stop
$863EVA Air
Find Deal
Sat, Sep 13 - Fri, Sep 19
EVA Air Logo
4:15 pm - 6:50 pmCTS-SEA
18h 35m1 stop
EVA Air Logo
1:30 am - 3:00 pmSEA-CTS
21h 30m1 stop
$865EVA Air
Find Deal
Mon, Sep 8 - Sat, Sep 13
ANA Logo
6:00 pm - 6:36 pmITM-SEA
16h 36m2 stops
ANA Logo
7:34 pm - 7:25 amSEA-ITM
19h 51m2 stops
$1,739ANA
Find Deal
Sat, Sep 13 - Sat, Sep 20
ANA Logo
7:35 am - 6:36 pmIWK-SEA
27h 01m2 stops
ANA Logo
4:30 pm - 1:50 pmSEA-IWK
29h 20m1 stop
$1,759ANA
Find Deal
Wed, Sep 24 - Sun, Sep 28

STARLUX Airlines flights from Japan to Seattle

Our best STARLUX Airlines deals on Japan to Seattle flight tickets
STARLUX Airlines
Sep 10
KIX1:25 pmOsaka Kansai Intl
18h 45m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
Sep 15
SEA1:15 amSeattle/Tacoma Intl
19h 00m
1 stop
KIX12:15 pmOsaka Kansai Intl
STARLUX Airlines
Oct 6
KIX1:25 pmOsaka Kansai Intl
18h 45m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
Oct 19
SEA1:15 amSeattle/Tacoma Intl
20h 45m
1 stop
KIX2:00 pmOsaka Kansai Intl
STARLUX Airlines
Sep 10
NRT2:10 pmTokyo Narita
18h 00m
1 stop
SEA4:10 pmSeattle/Tacoma Intl
Sep 28
SEA1:15 amSeattle/Tacoma Intl
21h 50m
1 stop
NRT3:05 pmTokyo Narita

EVA Air flights from Japan to Seattle

Our best EVA Air deals on Japan to Seattle flight tickets
EVA Air
Sep 13
KIX6:30 pmOsaka Kansai Intl
17h 00m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Sep 19
SEA1:30 amSeattle/Tacoma Intl
16h 40m
1 stop
KIX10:10 amOsaka Kansai Intl
EVA Air
Sep 8
CTS4:15 pmSapporo Chitose
18h 35m
1 stop
SEA6:50 pmSeattle/Tacoma Intl
Sep 13
SEA1:30 amSeattle/Tacoma Intl
21h 30m
1 stop
CTS3:00 pmSapporo Chitose
EVA Air
Sep 4
NRT1:25 pmTokyo Narita
21h 25m
1 stop
SEA6:50 pmSeattle/Tacoma Intl
Sep 16
SEA1:30 amSeattle/Tacoma Intl
19h 55m
1 stop
NRT1:25 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 August 28, 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

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Wed 9/24

7:45 pm-9:58 pm

1 stop18h 13m

Seattle/Tacoma Intl

Mon 9/29

3:23 pm-4:45 am

1 stop21h 22m

$614

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Mon 9/22

7:45 pm-9:58 pm

1 stop18h 13m

Seattle/Tacoma Intl

Mon 9/29

3:23 pm-4:45 am

1 stop21h 22m

$616

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Tue 9/9

4:05 pm-9:20 am

Nonstop9h 15m

Seattle/Tacoma Intl

Mon 9/22

11:45 am-2:15 pm

Nonstop10h 30m

$642

TokyoSeattle

HND - SEA

HNDSEA

Tokyo Haneda

Wed 9/24

4:05 pm-9:20 am

Nonstop9h 15m

Seattle/Tacoma Intl

Mon 9/29

11:45 am-2:15 pm

Nonstop10h 30m

$643

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Tue 12/23

6:15 pm-10:06 pm

1 stop20h 51m

Seattle/Tacoma Intl

Sat 1/3

5:50 am-4:20 pm

1 stop17h 30m

$725

TokyoSeattle

NRT - SEA

NRTSEA

Tokyo Narita

Fri 12/19

6:15 pm-9:31 am

1 stop32h 16m

Seattle/Tacoma Intl

Sat 1/10

5:50 am-4:20 pm

1 stop17h 30m

$752

OsakaSeattle

KIX - SEA

KIXSEA

Osaka Kansai Intl

Sat 9/13

6:30 pm-7:30 pm

1 stop17h 00m

Seattle/Tacoma Intl

Fri 9/19

1:30 am-10:10 am

1 stop16h 40m

$863

SapporoSeattle

CTS - SEA

CTSSEA

Sapporo Chitose

Mon 9/8

4:15 pm-6:50 pm

1 stop18h 35m

Seattle/Tacoma Intl

Sat 9/13

1:30 am-3:00 pm

1 stop21h 30m

$865

OsakaSeattle

ITM - SEA

ITMSEA

Osaka Itami

Sat 9/13

6:00 pm-6:36 pm

2 stops16h 36m

Seattle/Tacoma Intl

Sat 9/20

7:34 pm-7:25 am

2 stops19h 51m

$1,739

IwakuniSeattle

IWK - SEA

IWKSEA

MCAS Iwakuni

Wed 9/24

7:35 am-6:36 pm

2 stops27h 01m

Seattle/Tacoma Intl

Sun 9/28

4:30 pm-1:50 pm

1 stop29h 20m

$1,759

Flights are sorted by cheapest round-trip flights 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 $919.

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 $966. 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 $1,120.

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

$435

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 $435. The best round-trip flight deal from Japan to Seattle found on momondo in the last 72 hours is $472.
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
941 reviews
Search ANA flights
EVA AirPriceFrom $644Free CancellationRating
8.4
1,235 reviews
Search EVA Air flights
STARLUX AirlinesPriceFrom $708Free CancellationRating
8.9
211 reviews
Search STARLUX Airlines flights
DeltaPriceFrom $716Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $727Free CancellationRating
7.8
2,690 reviews
Search Hawaiian Airlines flights
Asiana AirlinesPriceFrom $739Free CancellationRating
8.2
477 reviews
Search Asiana 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
Olympia
Renton
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Cle Elum
Tukwila
Kirkland
Centralia
Lakewood
Shoreline
Fife
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
Tue 9/2
Tue 9/9

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