Cheap flights from Seattle to Tokyo from $349

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 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Seattle to Tokyo

Cheap round-trip flights

Japan Airlines Logo
7:00 am - 4:00 pmSEA-NRT
16h 00m1 stop
Japan Airlines Logo
6:10 pm - 9:55 amNRT-SEA
8h 45mnonstop
$684Japan Airlines
Find Deal
Sun, Feb 1 - Tue, Mar 3
Asiana Airlines Logo
12:10 am - 9:00 pmSEA-NRT
27h 50m1 stop
Asiana Airlines Logo
7:25 pm - 1:55 pmNRT-SEA
35h 30m1 stop
$685Asiana Airlines
Find Deal
Sun, Nov 2 - Fri, Nov 14
United Airlines Logo
6:03 am - 3:00 pmSEA-NRT
15h 57m1 stop
United Airlines Logo
5:30 pm - 9:12 pmNRT-SEA
20h 42m2 stops
$687United Airlines
Find Deal
Mon, Jan 26 - Wed, Feb 11
United Airlines Logo
4:30 pm - 7:00 pmSEA-HND
10h 30mnonstop
United Airlines Logo
3:50 pm - 9:15 pmHND-SEA
21h 25m1 stop
$687United Airlines
Find Deal
Mon, Sep 22 - Wed, Oct 1
ANA Logo
4:30 pm - 7:00 pmSEA-HND
10h 30mnonstop
ANA Logo
9:15 pm - 1:20 pmHND-SEA
9h 05mnonstop
$691ANA
Find Deal
Tue, Oct 7 - Wed, Dec 3
ANA Logo
4:30 pm - 7:00 pmSEA-HND
10h 30mnonstop
ANA Logo
9:15 pm - 2:25 pmHND-SEA
9h 10mnonstop
$693ANA
Find Deal
Tue, Sep 23 - Tue, Sep 30
Delta Logo
11:45 am - 2:15 pmSEA-HND
10h 30mnonstop
Delta Logo
4:05 pm - 9:10 amHND-SEA
9h 05mnonstop
$714Delta
Find Deal
Tue, Sep 23 - Mon, Oct 6
Delta Logo
10:35 am - 2:05 pmSEA-HND
10h 30mnonstop
Delta Logo
4:50 pm - 8:45 amHND-SEA
8h 55mnonstop
$722Delta
Find Deal
Mon, Dec 8 - Sun, Dec 21
Alaska Airlines Logo
12:30 pm - 4:00 pmSEA-NRT
10h 30mnonstop
Alaska Airlines Logo
6:30 pm - 10:10 amNRT-SEA
8h 40mnonstop
$722Alaska Airlines
Find Deal
Thu, Jan 29 - Thu, Feb 5
Alaska Airlines Logo
12:30 pm - 4:00 pmSEA-NRT
10h 30mnonstop
Alaska Airlines Logo
6:30 pm - 10:10 amNRT-SEA
8h 40mnonstop
$723Alaska Airlines
Find Deal
Sat, Jan 31 - Wed, Feb 11

Asiana Airlines flights from Seattle to Tokyo

Our best Asiana Airlines deals on Seattle to Tokyo flight tickets
Asiana Airlines
Nov 2
SEA12:10 amSeattle/Tacoma Intl
27h 50m
1 stop
NRT9:00 pmTokyo Narita
Nov 14
NRT7:25 pmTokyo Narita
35h 30m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Asiana Airlines
Nov 2
SEA12:10 amSeattle/Tacoma Intl
27h 50m
1 stop
NRT9:00 pmTokyo Narita
Nov 13
NRT1:20 pmTokyo Narita
17h 35m
1 stop
SEA1:55 pmSeattle/Tacoma Intl
Asiana Airlines
Nov 17
SEA1:31 pmSeattle/Tacoma Intl
35h 24m
2 stops
NRT5:55 pmTokyo Narita
Nov 28
NRT7:25 pmTokyo Narita
35h 30m
1 stop
SEA1:55 pmSeattle/Tacoma Intl

Korean Air flights from Seattle to Tokyo

Our best Korean Air deals on Seattle to Tokyo flight tickets
Korean Air
Jan 26
SEA3:15 pmSeattle/Tacoma Intl
31h 40m
2 stops
NRT3:55 pmTokyo Narita
Feb 5
NRT9:15 amTokyo Narita
16h 45m
1 stop
SEA9:00 amSeattle/Tacoma Intl
Korean Air
Sep 29
SEA12:50 pmSeattle/Tacoma Intl
18h 00m
1 stop
HND10:50 pmTokyo Haneda
Nov 3
HND2:00 amTokyo Haneda
24h 00m
1 stop
SEA9:00 amSeattle/Tacoma Intl
Korean Air
Sep 28
SEA12:50 pmSeattle/Tacoma Intl
34h 35m
1 stop
NRT3:25 pmTokyo Narita
Oct 14
NRT8:55 pmTokyo Narita
29h 45m
1 stop
SEA10:40 amSeattle/Tacoma Intl

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Tokyo 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 11, 2025.
Use the filters below to find and compare flights from Seattle to Tokyo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sun 2/1

7:00 am-4:00 pm

1 stop16h 00m

Tokyo Narita

Tue 3/3

6:10 pm-9:55 am

Nonstop8h 45m

$684

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sun 11/2

12:10 am-9:00 pm

1 stop27h 50m

Tokyo Narita

Fri 11/14

7:25 pm-1:55 pm

1 stop35h 30m

$685

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Mon 1/26

6:03 am-3:00 pm

1 stop15h 57m

Tokyo Narita

Wed 2/11

5:30 pm-9:12 pm

2 stops20h 42m

$687

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Mon 9/22

4:30 pm-7:00 pm

Nonstop10h 30m

Tokyo Haneda

Wed 10/1

3:50 pm-9:15 pm

1 stop21h 25m

$687

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Tue 10/7

4:30 pm-7:00 pm

Nonstop10h 30m

Tokyo Haneda

Wed 12/3

9:15 pm-1:20 pm

Nonstop9h 05m

$691

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Tue 9/23

4:30 pm-7:00 pm

Nonstop10h 30m

Tokyo Haneda

Tue 9/30

9:15 pm-2:25 pm

Nonstop9h 10m

$693

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Tue 9/23

11:45 am-2:15 pm

Nonstop10h 30m

Tokyo Haneda

Mon 10/6

4:05 pm-9:10 am

Nonstop9h 05m

$714

SeattleTokyo

SEA - HND

SEAHND

Seattle/Tacoma Intl

Mon 12/8

10:35 am-2:05 pm

Nonstop10h 30m

Tokyo Haneda

Sun 12/21

4:50 pm-8:45 am

Nonstop8h 55m

$722

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Thu 1/29

12:30 pm-4:00 pm

Nonstop10h 30m

Tokyo Narita

Thu 2/5

6:30 pm-10:10 am

Nonstop8h 40m

$722

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sat 1/31

12:30 pm-4:00 pm

Nonstop10h 30m

Tokyo Narita

Wed 2/11

6:30 pm-10:10 am

Nonstop8h 40m

$723

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Tokyo from

How to get the cheapest flight ticket from Seattle to Tokyo

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?

The cheapest month to fly to Tokyo from Seattle is in September. Flight prices, which tend to average around $803, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in September, then October is your next best option. Flight prices from Seattle to Tokyo during October average around $854.

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

The cheapest day to depart on your flight to Tokyo is on a Monday when prices can be found for as low as $891. This is often the case because there is less demand to fly during this day of the week. Flights from Seattle to Tokyo on a Friday will generally be more expensive and average around $1,079. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

In the afternoon is the cheapest time of day to fly from Seattle to Tokyo when you can find flight prices for as low as $908. Flying to Tokyo in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Tokyo is at noon when prices are around $1,049.

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

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

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

You are more likely to see cheaper flights to Tokyo from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo for around $1,062 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tokyo from Seattle for as low as $941 on momondo.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Tokyo 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 Seattle to Tokyo flights?

No. A direct flight is the cheapest option for a flight between Seattle to Tokyo.

How have Seattle to Tokyo flight prices changed over time?

As of September 2025, prices for Seattle to Tokyo flights are approximately 33% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Tokyo

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

Cheap Seattle to Tokyo (SEA to TYO) flight deals and tips

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

Best Price Found

$407

Fastest flight time

10h 05m

Direct flights

Every day

Airports in Tokyo

2 airports
The best one-way flight to Tokyo from Seattle in the past 72 hours is $407. The best round-trip flight deal from Seattle to Tokyo found on momondo in the last 72 hours is $726.
The fastest flight from Seattle to Tokyo takes 10h 05m
Direct flights go from Seattle to Tokyo every day.
There are 2 airports near Tokyo: Tokyo Narita (NRT), Tokyo Haneda (HND)
  • How far is Seattle/Tacoma Intl to Tokyo by plane?

    The straight-line distance from Seattle/Tacoma Intl to Tokyo is 4775.7 mi. 10h 10m is a normal flight duration for this route.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Tokyo were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Tokyo.

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

    The required travel and health documents for your Tokyo 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 Tokyo. 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 Seattle to Tokyo?

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

Best airlines flying from Seattle to Tokyo

Compare and see reviews for airlines that fly from Seattle to Tokyo with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $117Free CancellationRating
7.9
7,960 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $359Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
Asiana AirlinesPriceFrom $663Free CancellationRating
8.2
479 reviews
Search Asiana Airlines flights
Air CanadaPriceFrom $675Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
ANAPriceFrom $686Free CancellationRating
8.4
961 reviews
Search ANA flights
Alaska AirlinesPriceFrom $700Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Korean AirPriceFrom $702Free CancellationRating
8.4
1,139 reviews
Search Korean Air flights
Philippine AirlinesPriceFrom $705Free CancellationRating
7.2
911 reviews
Search Philippine Airlines flights
Japan AirlinesPriceFrom $711Free CancellationRating
8.3
1,559 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $720Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
  • ANA Flights From Seattle to Tokyo

    ANA operates around 7 flights from Seattle to Tokyo every week. The average price of these flights found in the last 72 hours has been $986, but momondo users have found ANA deals from Seattle to Tokyo from as low as $686 round-trip. ANA has been scored 8.4/10 in 961 reviews.

  • Japan Airlines Flights From Seattle to Tokyo

    Japan Airlines (8.3/10 from 1,559 reviews) operates around 7 flights from Seattle to Tokyo in any given week. The average Japan Airlines airfare for this route is around $1,126, with deals from around $711 rare but found on momondo. Referenced prices are for round-trip Seattle to Tokyo flight searches in the last 72 hours.

Traveling to a place near Tokyo?

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

Why use momondo?

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

Finding the right flight to Tokyo from Seattle 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 Tokyo quick and easy, saving you time and money.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Tokyo from Seattle.

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

Price alerts on flights to Tokyo from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Tokyo 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.
1 adult
Sat 10/11
Sat 10/18

Find better results for your trip to Japan

Fly into one of these airports located in Tokyo

Airports listed have a maximum distance of 35.1 mi from Tokyo