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Cheap flights from Seattle to Tokyo from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Tokyo departing on 1/12. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Asiana Airlines Logo
12:10 am - 11:25 pmSEA-HND
30h 15m1 stop
Asiana Airlines Logo
1:30 am - 1:55 pmHND-SEA
29h 25m1 stop
$652Asiana Airlines
Find Deal
vie., feb. 6 - sáb., feb. 21
Asiana Airlines Logo
7:00 am - 11:25 pmSEA-HND
47h 25m2 stops
Asiana Airlines Logo
1:30 am - 1:55 pmHND-SEA
29h 25m1 stop
$653Asiana Airlines
Find Deal
dom., feb. 22 - jue., feb. 26
Asiana Airlines Logo
12:10 am - 11:25 pmSEA-HND
30h 15m1 stop
Asiana Airlines Logo
1:30 am - 1:55 pmHND-SEA
29h 25m1 stop
$654Asiana Airlines
Find Deal
vie., ene. 30 - sáb., feb. 14
United Airlines Logo
8:45 am - 4:50 amSEA-HND
27h 05m2 stops
United Airlines Logo
9:15 pm - 1:20 pmHND-SEA
9h 05mnonstop
$655United Airlines
Find Deal
mar., feb. 24 - vie., mar. 6
United Airlines Logo
3:45 pm - 7:15 pmSEA-HND
10h 30mnonstop
United Airlines Logo
7:40 pm - 9:01 pmHND-SEA
18h 21m2 stops
$656United Airlines
Find Deal
dom., feb. 15 - mié., feb. 25
ANA Logo
7:30 pm - 4:50 amSEA-HND
16h 20m1 stop
ANA Logo
4:25 pm - 3:44 pmHND-SEA
16h 19m1 stop
$658ANA
Find Deal
lun., ene. 12 - lun., ene. 26
ANA Logo
6:03 am - 10:25 pmSEA-HND
23h 22m2 stops
ANA Logo
9:15 pm - 1:20 pmHND-SEA
9h 05mnonstop
$659ANA
Find Deal
dom., ene. 25 - dom., feb. 8
Delta Logo
10:15 am - 2:05 pmSEA-HND
10h 50mnonstop
Delta Logo
4:50 pm - 8:45 amHND-SEA
8h 55mnonstop
$673Delta
Find Deal
dom., nov. 30 - mar., dic. 23
Japan Airlines Logo
8:45 am - 5:20 pmSEA-HND
15h 35m1 stop
Japan Airlines Logo
6:05 pm - 2:38 pmHND-SEA
13h 33m1 stop
$679Japan Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
Delta Logo
10:35 am - 2:05 pmSEA-HND
10h 30mnonstop
Delta Logo
4:50 pm - 9:00 amHND-SEA
9h 10mnonstop
$690Delta
Find Deal
sáb., feb. 21 - mié., mar. 4

Asiana Airlines flights from Seattle to Tokyo Haneda Airport

Our best Asiana Airlines deals on Seattle to Tokyo Haneda Airport flight tickets
Asiana Airlines
Feb 6
SEA12:10 amSeattle/Tacoma Intl
30h 15m
1 stop
HND11:25 pmTokyo Haneda
Feb 21
HND1:30 amTokyo Haneda
29h 25m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$652
Find similar
Asiana Airlines
Feb 22
SEA7:00 amSeattle/Tacoma Intl
47h 25m
2 stops
HND11:25 pmTokyo Haneda
Feb 26
HND1:30 amTokyo Haneda
29h 25m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$653
Find similar
Asiana Airlines
Jan 30
SEA12:10 amSeattle/Tacoma Intl
30h 15m
1 stop
HND11:25 pmTokyo Haneda
Feb 14
HND1:30 amTokyo Haneda
29h 25m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
$654
Find similar

United Airlines flights from Seattle to Tokyo Haneda Airport

Our best United Airlines deals on Seattle to Tokyo Haneda Airport flight tickets
United Airlines
Feb 24
SEA8:45 amSeattle/Tacoma Intl
27h 05m
2 stops
HND4:50 amTokyo Haneda
Mar 6
HND9:15 pmTokyo Haneda
9h 05m
SEA1:20 pmSeattle/Tacoma Intl
$655
Find similar
United Airlines
Feb 15
SEA3:45 pmSeattle/Tacoma Intl
10h 30m
HND7:15 pmTokyo Haneda
Feb 25
HND7:40 pmTokyo Haneda
18h 21m
2 stops
SEA9:01 pmSeattle/Tacoma Intl
$656
Find similar
United Airlines
Feb 21
SEA12:37 pmSeattle/Tacoma Intl
23h 13m
1 stop
HND4:50 amTokyo Haneda
Mar 4
HND7:40 pmTokyo Haneda
18h 21m
2 stops
SEA9:01 pmSeattle/Tacoma Intl
$660
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Tokyo Haneda Airport 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 octubre 6, 2025.
Use the filters below to find and compare flights from Seattle to Tokyo Haneda Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

vie. 2/6

12:10 am-11:25 pm

1 stop30h 15m

Tokyo Haneda

sáb. 2/21

1:30 am-1:55 pm

1 stop29h 25m

$652

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

dom. 2/22

7:00 am-11:25 pm

2 stops47h 25m

Tokyo Haneda

jue. 2/26

1:30 am-1:55 pm

1 stop29h 25m

$653

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

vie. 1/30

12:10 am-11:25 pm

1 stop30h 15m

Tokyo Haneda

sáb. 2/14

1:30 am-1:55 pm

1 stop29h 25m

$654

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

mar. 2/24

8:45 am-4:50 am

2 stops27h 05m

Tokyo Haneda

vie. 3/6

9:15 pm-1:20 pm

Nonstop9h 05m

$655

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

dom. 2/15

3:45 pm-7:15 pm

Nonstop10h 30m

Tokyo Haneda

mié. 2/25

7:40 pm-9:01 pm

2 stops18h 21m

$656

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

lun. 1/12

7:30 pm-4:50 am

1 stop16h 20m

Tokyo Haneda

lun. 1/26

4:25 pm-3:44 pm

1 stop16h 19m

$658

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

dom. 1/25

6:03 am-10:25 pm

2 stops23h 22m

Tokyo Haneda

dom. 2/8

9:15 pm-1:20 pm

Nonstop9h 05m

$659

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

dom. 11/30

10:15 am-2:05 pm

Nonstop10h 50m

Tokyo Haneda

mar. 12/23

4:50 pm-8:45 am

Nonstop8h 55m

$673

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

mié. 12/3

8:45 am-5:20 pm

1 stop15h 35m

Tokyo Haneda

mié. 12/10

6:05 pm-2:38 pm

1 stop13h 33m

$679

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

sáb. 2/21

10:35 am-2:05 pm

Nonstop10h 30m

Tokyo Haneda

mié. 3/4

4:50 pm-9:00 am

Nonstop9h 10m

$690

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to Tokyo Haneda Airport

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 Tokyo Haneda Airport?

In general, September is the cheapest month to fly from Seattle to Tokyo Haneda Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $789. The month of October is another great option to travel to Tokyo Haneda Airport, with average flight prices from Seattle averaging around $818.

What is the cheapest day to depart on your flight to Tokyo Haneda Airport?

According to our data, Monday is the cheapest day to fly to Tokyo Haneda Airport from Seattle. The lowest ticket price found for a Monday departure recently was $876. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Tokyo Haneda Airport is Friday, with ticket prices averaging around $999.

What is the cheapest time of day to depart on your flight to Tokyo Haneda Airport?

Our data shows that the cheapest Seattle to Tokyo Haneda Airport flights are usually those with departure times in the afternoon. Our users have found flights to Tokyo Haneda Airport in the afternoon for as low as $889. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,197 on average. Flights to Tokyo Haneda Airport from Seattle at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Seattle/Tacoma Intl to Tokyo Haneda flight route?

Fly from Seattle/Tacoma Intl to Tokyo Haneda for the best Seattle/Tacoma Intl - Tokyo Haneda flight prices

How far in advance should I book a flight to Tokyo Haneda Airport?

You are more likely to see cheaper flights to Tokyo Haneda Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo Haneda Airport for around $975 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo Haneda Airport from Seattle for as low as $881 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Tokyo Haneda flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Tokyo Haneda flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Tokyo Haneda Airport flight prices changed over time?

As of October 2025, prices for Seattle to Tokyo Haneda Airport flights are approximately 41% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Tokyo Haneda Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Tokyo Haneda Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Tokyo Haneda Airport (SEA to HND) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Tokyo Haneda Airport

Best Price Found

$442

Fastest flight time

10h 25m

Direct flights

Every day
The best one-way flight to Tokyo Haneda Airport from Seattle in the past 72 hours is $442. The best round-trip flight deal from Seattle to Tokyo Haneda Airport found on momondo in the last 72 hours is $716.
The fastest flight from Seattle to Tokyo Haneda Airport takes 10h 25m
Direct flights go from Seattle to Tokyo Haneda Airport every day.
Search flight deals

  • How far is Seattle/Tacoma Intl to Tokyo Haneda by plane?

    Seattle/Tacoma Intl and Tokyo Haneda are 4781.5 mi apart from one another. Flights usually cover this in 10h 30m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Tokyo Haneda Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Tokyo Haneda Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Tokyo Haneda Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Tokyo Haneda Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Tokyo Haneda Airport.

  • What documentation or ID do you need to fly to Tokyo Haneda Airport?

    The necessary travel and health documents for your Tokyo Haneda Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Tokyo Haneda Airport?

  • What is the most popular airline from Seattle to Tokyo Haneda Airport?

Best airlines flying from Seattle to Tokyo Haneda Airport

Compare and see reviews for airlines that fly from Seattle to Tokyo Haneda Airport with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $359Free CancellationRating
7.8
2,772 reviews
Search Hawaiian Airlines flights
Asiana AirlinesPriceFrom $593Free CancellationRating
8.2
486 reviews
Search Asiana Airlines flights
ANAPriceFrom $676Free CancellationRating
8.4
984 reviews
Search ANA flights
United AirlinesPriceFrom $697Free CancellationRating
7.4
8,957 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $705Free CancellationRating
8.3
1,576 reviews
Search Japan Airlines flights
DeltaPriceFrom $722Free CancellationRating
7.9
7,967 reviews
Search Delta flights
Philippine AirlinesPriceFrom $732Free CancellationRating
7.3
918 reviews
Search Philippine Airlines flights
Alaska AirlinesPriceFrom $785Free CancellationRating
8.0
11,027 reviews
Search Alaska Airlines flights

  • ANA Flights From Seattle to Tokyo Haneda Airport

    ANA operates around 7 flights from Seattle to Tokyo Haneda Airport every week. The average price of these flights found in the last 72 hours has been $888, but momondo users have found ANA deals from Seattle to Tokyo Haneda Airport from as low as $676 round-trip. ANA has been scored 8.4/10 in 983 reviews.

  • Delta Flights From Seattle to Tokyo Haneda Airport

    The best Delta deal for Seattle to Tokyo Haneda Airport flight tickets found on momondo in the last 72 hours was $722, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $1,089 round-trip. Delta operates 7 flights out of Seattle into Tokyo Haneda Airport in an average week, so prices vary by time and availability. 7,966 Delta reviews by users on momondo have scored the airline at 7.9/10.

Traveling to a place near Tokyo?

Book flights to Tokyo if you plan to visit one of these locations
Hakone
Urayasu
Chiba
Kawasaki
Atami
Kamakura
Yokosuka
Kusatsu
Saitama
Yamanouchi
Izu
Fujiyoshida
Kawagoe
Fujisawa
Tsukuba
Numazu
Minakami
Yamanashi
Karuizawa
Sagamihara

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Tokyo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Tokyo from Seattle.

Can I find flights from Seattle to Tokyo with flexible booking policies on momondo?

Yes. All flights to Tokyo from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Tokyo?

momondo helps you find the best flight between Seattle and Tokyo by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Tokyo right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Tokyo, momondo offers a useful price alert feature which will track prices for flights to Tokyo from Seattle and alert you when they change.

An easier way to manage your Tokyo Haneda Airport trip

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