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Cheap flights from Seattle to Tokyo Narita Airport from C$ 485

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — NRT
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Tokyo Narita are usually found in September or August, booked 12 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Seattle to Narita

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Narita (NRT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 952

One-way from

C$ 485

Popular in

December

Cheapest in

September

Average price

C$ 1,188
United Airlines
  • United Airlines
  • 28/1-10/2
  • 3 total stops
  • 37h 09m total
  • Seattle to Tokyo
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Asiana Airlines
  • Asiana Airlines
  • 6/3
  • 1 total stop
  • 27h 50m total
  • Seattle to Tokyo
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Highest demand for flights based on searches. 8% potential increase in price (C$ 188 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 76 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Narita

Cheapest flights from Seattle to Narita
Explore the most affordable flight options available from Seattle to Narita. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Tue 9/127:00 a.m.SEA - NRT
1 stop15h 00mUnited Airlines
Fri 26/125:00 p.m.NRT - SEA
1 stop18h 45mUnited Airlines
Deal found 10/9C$ 952
Mon 8/1211:00 a.m.SEA - NRT
1 stop15h 30mKorean Air
Mon 22/128:40 p.m.NRT - SEA
1 stop29h 20mKorean Air
Deal found 9/9C$ 958
Tue 9/127:00 a.m.SEA - NRT
1 stop15h 00mUnited Airlines
Tue 23/128:10 p.m.NRT - SEA
2 stops21h 49mUnited Airlines
Deal found 9/9C$ 959
Mon 29/96:35 a.m.SEA - NRT
1 stop15h 40mUnited Airlines
Tue 14/104:40 p.m.NRT - SEA
1 stop21h 13mUnited Airlines
Deal found 11/9C$ 960
Tue 9/127:00 a.m.SEA - NRT
1 stop15h 00mUnited Airlines
Wed 24/124:45 p.m.NRT - SEA
1 stop25h 14mUnited Airlines
Deal found 9/9C$ 962
Mon 8/129:25 a.m.SEA - NRT
1 stop36h 35mUnited Airlines
Tue 23/128:10 p.m.NRT - SEA
2 stops21h 49mUnited Airlines
Deal found 9/9C$ 967
Mon 8/121:05 p.m.SEA - NRT
1 stop32h 55mUnited Airlines
Thu 25/125:00 p.m.NRT - SEA
1 stop24h 59mUnited Airlines
Deal found 9/9C$ 971
Wed 24/91:45 p.m.SEA - NRT
Nonstop10h 15mAlaska Airlines
Wed 1/106:25 p.m.NRT - SEA
Nonstop9h 05mAlaska Airlines
Deal found 11/9C$ 1,003
Mon 29/91:45 p.m.SEA - NRT
Nonstop10h 15mAlaska Airlines
Fri 10/106:25 p.m.NRT - SEA
Nonstop9h 00mAlaska Airlines
Deal found 11/9C$ 1,005
Tue 18/1112:10 a.m.SEA - NRT
1 stop24h 45mAsiana Airlines
Wed 3/127:25 p.m.NRT - SEA
1 stop35h 30mAsiana Airlines
Deal found 11/9C$ 1,006
Tue 2/1212:30 p.m.SEA - NRT
Nonstop10h 30mAlaska Airlines
Thu 11/126:30 p.m.NRT - SEA
Nonstop9h 00mAlaska Airlines
Deal found 10/9C$ 1,009
Wed 22/1012:50 p.m.SEA - NRT
Nonstop11h 10mAlaska Airlines
Thu 6/116:30 p.m.NRT - SEA
Nonstop9h 10mAlaska Airlines
Deal found 11/9C$ 1,010

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Narita 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, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Seattle to Tokyo Narita Airport that are best for you.

Fly from

Seattle

Fly to

Narita

Route

Depart

Return

Price

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sun 15/2

3:15 p.m.-7:30 p.m.

2 stops35h 15m

Tokyo Narita

Mon 23/2

2:00 p.m.-9:00 a.m.

1 stop36h 00m

C$ 964

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Fri 30/1

12:30 p.m.-4:00 p.m.

Nonstop10h 30m

Tokyo Narita

Tue 10/2

6:30 p.m.-10:10 a.m.

Nonstop8h 40m

C$ 1,002

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sun 1/3

12:30 p.m.-4:00 p.m.

Nonstop10h 30m

Tokyo Narita

Tue 10/3

6:30 p.m.-11:10 a.m.

Nonstop8h 40m

C$ 1,009

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Wed 3/12

12:30 p.m.-4:00 p.m.

Nonstop10h 30m

Tokyo Narita

Wed 10/12

6:30 p.m.-10:30 a.m.

Nonstop9h 00m

C$ 1,010

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Wed 22/10

12:50 p.m.-4:00 p.m.

Nonstop11h 10m

Tokyo Narita

Fri 7/11

6:30 p.m.-10:40 a.m.

Nonstop9h 10m

C$ 1,010

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Tue 17/2

3:00 p.m.-3:20 p.m.

2 stops31h 20m

Tokyo Narita

Tue 17/3

5:00 p.m.-12:51 p.m.

2 stops35h 51m

C$ 1,016

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Tue 21/10

2:15 p.m.-11:20 a.m.

1 stop29h 05m

Tokyo Narita

Fri 14/11

7:25 p.m.-1:55 p.m.

1 stop35h 30m

C$ 1,032

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Tue 11/11

11:00 a.m.-9:05 p.m.

1 stop17h 05m

Tokyo Narita

Tue 18/11

9:15 a.m.-9:00 a.m.

1 stop16h 45m

C$ 1,035

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Tue 6/1

7:30 p.m.-3:00 p.m.

1 stop26h 30m

Tokyo Narita

Wed 14/1

5:30 p.m.-4:29 p.m.

1 stop15h 59m

C$ 1,035

SeattleTokyo

SEA - NRT

SEANRT

Seattle/Tacoma Intl

Sun 16/11

12:10 p.m.-4:00 p.m.

Nonstop10h 50m

Tokyo Narita

Mon 8/12

6:30 p.m.-10:30 a.m.

Nonstop9h 00m

C$ 1,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 22 results
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Best time to book a flight from Seattle to Narita

Have a flexible travel schedule? Discover the best time to fly to Narita from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Tokyo Narita Airport

How far ahead should I book a flight from Seattle to Tokyo Narita Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Narita. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Tokyo Narita Airport, you should look to book at least 12 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Tokyo Narita Airport?

Currently, November is the cheapest month in which you can book a flight from Seattle to Tokyo Narita Airport (average of C$ 664). Flying from Seattle to Tokyo Narita Airport in March is currently the most expensive (average of C$ 1,145). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to NRT?

Find hourly flight availability from Seattle to Narita. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

One of the essential ways to save on airfare from Seattle to Tokyo Narita Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 2% on airfare.

Reviews of airlines servicing Narita

Get insights into the airlines that provide service to Narita. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Narita. Reviews last updated 11 September 2025.
Check out reviews from past customers who have flown with Asiana Airlines from Seattle to Tokyo Narita Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very good
479 reviews
Check prices

Entertainment

7.8

Food

8.1

Overall

8.2

Comfort

8.1

Crew

8.6

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!
Asiana Airlines
8.2
Very good
479 reviews
Asiana Airlines
8.2
Very good
479 reviews
Check prices

Entertainment

7.8

Food

8.1

Overall

8.2

Comfort

8.1

Crew

8.6

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Dana,Aug 2025

MNL - ICN

Air Asana helped me so much because I had previously canceled flights and they booked me. They helped me through the whole process of getting a new flight. The staff was courteous and helpful kind, and they assisted me with everything that I needed. They provided plenty of water and the food was good as well. Thank you so much to the Asana airline staff.!!

Related info for your journey

Find useful and relevant information for your journey from Seattle to Narita. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Tokyo Narita?

    For a flight from Seattle to Tokyo Narita, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 18.4 km from the centre of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 6 outbound flights to Tokyo Narita per day. 1 airline has flights to Tokyo Narita from Seattle/Tacoma Intl on a regular basis.

  • How long is the flight from Seattle to Tokyo Narita Airport?

    Airlines like Korean Air, Asiana Airlines, and Alaska Airlines fly from Seattle to Tokyo Narita Airport in about 10h 30m. The time it takes to get you to your destination can typically vary by up to 24h 45m. The distance between Seattle and Tokyo Narita Airport is about 7651 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Seattle to Tokyo Narita Airport round-trip?

    Asiana Airlines, at C$ 1,109, was found to be the cheapest airline from Seattle to Tokyo Narita Airport.. Asiana Airlines is priced at 24% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Seattle to Tokyo Narita Airport?

    The top 3 most reliable airlines when flying from Seattle to Tokyo Narita Airport are American Airlines (70%), Japan Airlines (70%) and Alaska Airlines (70%).

  • Can I find deals for flights from Seattle to Narita that include hotel bookings?

    Yes. In addition to deals on Seattle to Narita flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Narita?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Narita.

  • Can I find deals for business class flights from Seattle to Narita?

    Yes. Cheapflights offers flight deals from Seattle to Narita by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Tokyo Narita Airport?

    Currently, November is the cheapest month in which you can book a flight from Seattle to Tokyo Narita Airport (average of C$ 664). Flying from Seattle to Tokyo Narita Airport in March is currently the most expensive (average of C$ 1,145). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Tokyo Narita Airport?

Book flights to Tokyo Narita Airport if you plan to visit one of these locations
Minakami
Urayasu
Atami
Kawasaki

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Seattle to Narita

Discover the top airline that operate flights from Seattle to Narita. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapestC$ 1,109AverageC$ 1,368FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

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