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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.
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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
Air Canada Logo
10:05 am - 3:20 pmSEA-NRT
13h 15m1 stop
Air Canada Logo
6:15 pm - 7:16 pmNRT-SEA
18h 01m1 stop
$688Air Canada
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Sun, Oct 26 - Sun, Nov 2
Asiana Airlines Logo
12:10 am - 9:00 pmSEA-NRT
27h 50m1 stop
Asiana Airlines Logo
1:20 pm - 1:55 pmNRT-SEA
17h 35m1 stop
$689Asiana Airlines
Find Deal
Sun, Nov 2 - Thu, Nov 13
Japan Airlines Logo
12:30 pm - 3:40 pmSEA-NRT
10h 10mnonstop
Japan Airlines Logo
5:05 pm - 6:51 pmNRT-SEA
18h 46m1 stop
$690Japan Airlines
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Mon, Jan 26 - Thu, Feb 5
United Airlines Logo
5:12 pm - 3:20 pmSEA-NRT
29h 08m2 stops
United Airlines Logo
5:30 pm - 8:54 pmNRT-SEA
20h 24m2 stops
$692United Airlines
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Sat, Jan 31 - Fri, Feb 13
Air Canada Logo
5:50 am - 4:20 pmSEA-NRT
17h 30m1 stop
Air Canada Logo
6:15 pm - 2:31 pmNRT-SEA
13h 16m1 stop
$714Air Canada
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Wed, Dec 10 - Wed, Dec 24
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
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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
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Sat, Jan 31 - Wed, Feb 11

Asiana Airlines flights from Seattle to Tokyo Narita Airport

Our best Asiana Airlines deals on Seattle to Tokyo Narita Airport 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
$685
Find similar
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
$689
Find similar
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
$698
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Korean Air flights from Seattle to Tokyo Narita Airport

Our best Korean Air deals on Seattle to Tokyo Narita Airport 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
$696
Find similar
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
$699
Find similar
Korean Air
Sep 28
SEA5:40 pmSeattle/Tacoma Intl
35h 25m
2 stops
NRT9:05 pmTokyo Narita
Nov 5
NRT5:10 pmTokyo Narita
32h 50m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$702
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Tokyo Narita 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 September 11, 2025.
Use the filters below to find and compare flights from Seattle to Tokyo Narita Airport 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 - NRT

SEANRT

Seattle/Tacoma Intl

Sun 10/26

10:05 am-3:20 pm

1 stop13h 15m

Tokyo Narita

Sun 11/2

6:15 pm-7:16 pm

1 stop18h 01m

$688

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sun 11/2

12:10 am-9:00 pm

1 stop27h 50m

Tokyo Narita

Thu 11/13

1:20 pm-1:55 pm

1 stop17h 35m

$689

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Mon 1/26

12:30 pm-3:40 pm

Nonstop10h 10m

Tokyo Narita

Thu 2/5

5:05 pm-6:51 pm

1 stop18h 46m

$690

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sat 1/31

5:12 pm-3:20 pm

2 stops29h 08m

Tokyo Narita

Fri 2/13

5:30 pm-8:54 pm

2 stops20h 24m

$692

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Wed 12/10

5:50 am-4:20 pm

1 stop17h 30m

Tokyo Narita

Wed 12/24

6:15 pm-2:31 pm

1 stop13h 16m

$714

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
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See travel insights to Tokyo from

How to get the cheapest flight ticket from Seattle to Tokyo Narita 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 Narita Airport?

The month of September is, on average, the cheapest month to fly to Tokyo Narita Airport from Seattle, with most prices found around $857. If you are unable to visit Tokyo Narita Airport during the month of September, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $864.

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

On average, the least expensive day to fly to Tokyo Narita Airport from Seattle is on a Monday. momondo users have found tickets for Monday departures for as low as $906. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,162. These prices are subject to change though, so be sure to set up a Price Alert for flights to Tokyo Narita Airport.

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

In the morning is the cheapest time of day to fly from Seattle to Tokyo Narita Airport when you can find flight prices for as low as $965. Flying to Tokyo Narita Airport in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $1,198. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

You are more likely to see cheaper flights to Tokyo Narita Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Tokyo Narita Airport 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 Narita Airport from Seattle for as low as $941 on momondo.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Tokyo Narita 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 Narita Airport flight prices changed over time?

As of September 2025, prices for Seattle to Tokyo Narita Airport flights are approximately 29% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Tokyo Narita Airport

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

Cheap Seattle to Tokyo Narita Airport (SEA to NRT) flight deals and tips

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

Best Price Found

$414

Fastest flight time

10h 05m

Direct flights

Every day
The best one-way flight to Tokyo Narita Airport from Seattle in the past 72 hours is $414. The best round-trip flight deal from Seattle to Tokyo Narita Airport found on momondo in the last 72 hours is $750.
The fastest flight from Seattle to Tokyo Narita Airport takes 10h 05m
Direct flights go from Seattle to Tokyo Narita Airport every day.
Search flight deals

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

    Tokyo Narita is 4746.9 mi away from Seattle/Tacoma Intl. Flights usually cover this in 10h 10m, 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 Narita Airport?

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

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

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

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

    The necessary travel and health documents for your Tokyo Narita 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 Narita Airport?

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

Best airlines flying from Seattle to Tokyo Narita Airport

Compare and see reviews for airlines that fly from Seattle to Tokyo Narita Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $117Free CancellationRating
7.9
7,960 reviews
Search Delta flights
Asiana AirlinesPriceFrom $663Free CancellationRating
8.2
479 reviews
Search Asiana Airlines flights
Hawaiian AirlinesPriceFrom $669Free CancellationRating
7.8
2,723 reviews
Search Hawaiian 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
United AirlinesPriceFrom $722Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $725Free CancellationRating
8.3
1,559 reviews
Search Japan Airlines flights

  • Japan Airlines Flights From Seattle to Tokyo Narita Airport

    Across 7 Japan Airlines flights from Seattle to Tokyo Narita Airport this week, the average price was $1,131, with the best Japan Airlines deals starting from $725 round-trip. 1,559 users have rated Japan Airlines on momondo, with an average score of 8.3/10.

  • Alaska Airlines Flights From Seattle to Tokyo Narita Airport

    Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Seattle to Tokyo Narita Airport start from as low as $700 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $998. Alaska Airlines operates 14 flights to Tokyo Narita Airport from Seattle in an average week. Users have rated it 8.0/10 across 10,000 reviews.

Traveling to a place near Tokyo?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Tokyo for you.

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

Yes. momondo allows you to filter the results for Seattle to Tokyo flights to just show those with flexible booking policies.

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

Once all potential Seattle to Tokyo 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 Seattle to Tokyo right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Tokyo from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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