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Nagasaki

$491+ Cheap flights from Seattle (SEA) to Nagasaki (NGS)

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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — NGS
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Seattle to Nagasaki

Cheapest flights from Seattle to Nagasaki
Explore the most affordable flight options available from Seattle to Nagasaki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This FlightHub deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:00 amSEA - NGS
2 stops21h 20mANA
Wed 12/39:10 pmNGS - SEA
1 stop33h 10mANA
Deal found 10/27$738
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/243:40 pmSEA - NGS
1 stop26h 30mMultiple Airlines
Mon 12/111:45 amNGS - SEA
2 stops24h 01mMultiple Airlines
Deal found 10/27$770
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:10 pmSEA - NGS
1 stop15h 55mJapan Airlines
Wed 12/34:55 pmNGS - SEA
1 stop33h 55mJapan Airlines
Deal found 10/27$782
This Korean Air deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3011:00 amSEA - NGS
1 stop29h 30mKorean Air
Thu 12/410:30 amNGS - SEA
1 stop15h 30mKorean Air
Deal found 10/27$898
This Japan Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3012:10 pmSEA - NGS
2 stops27h 25mJapan Airlines
Thu 12/411:45 amNGS - SEA
2 stops19h 51mJapan Airlines
Deal found 10/26$914
This Ovago deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:28 pmSEA - NGS
2 stops30h 07mANA
Mon 12/17:35 pmNGS - SEA
2 stops44h 40mANA
Deal found 10/27$960
This Korean Air deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/911:00 amSEA - NGS
1 stop29h 30mKorean Air
Sat 11/1510:30 amNGS - SEA
1 stop15h 30mKorean Air
Deal found 10/26$1,088

Cheap flight deals from Seattle to Nagasaki

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Nagasaki (NGS). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$652
(FlightHub)

One-way from

$491
(Korean Air)
Provider with most accurate pricing for Seattle/Tacoma Intl-Nagasaki flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Nagasaki flights.
Search Deals
From Seattle/Tacoma Intl to Nagasaki
Search Deals
One-way flight from Seattle/Tacoma Intl to Nagasaki
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Nagasaki 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 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Seattle to Nagasaki that are best for you.

Fly from

Seattle

Fly to

Nagasaki

Route

Depart

Return

Price

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Wed 1/7

12:30 pm-8:35 am

2 stops27h 05m

Nagasaki

Tue 1/20

11:45 am-2:34 pm

2 stops19h 49m

$652

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sat 1/17

3:45 pm-4:55 pm

2 stops32h 10m

Nagasaki

Sun 3/29

9:35 am-2:25 pm

2 stops44h 50m

$702

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Wed 11/26

7:00 am-9:20 pm

2 stops21h 20m

Nagasaki

Wed 12/3

9:10 pm-1:20 pm

1 stop33h 10m

$738

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Wed 11/26

12:10 pm-9:05 pm

1 stop15h 55m

Nagasaki

Wed 12/3

4:55 pm-9:50 am

1 stop33h 55m

$782

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sun 11/30

11:00 am-9:30 am

1 stop29h 30m

Nagasaki

Thu 12/4

10:30 am-9:00 am

1 stop15h 30m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Seattle to Nagasaki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Nagasaki in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Nagasaki flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Nagasaki flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Nagasaki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Nagasaki flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Nagasaki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Nagasaki

Have a flexible travel schedule? Discover the best time to fly to Nagasaki 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 Nagasaki

What is the cheapest month to book a flight from Seattle to Nagasaki?

Currently, September is the cheapest month in which you can book a flight from Seattle to Nagasaki (average of $634). Flying from Seattle to Nagasaki in May is currently the most expensive (average of $931). 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.

Reviews of airlines servicing Nagasaki

Get insights into the airlines that provide service to Nagasaki. 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 Nagasaki. Reviews last updated October 28, 2025.
Get a feel of what it's like to fly with ANA and Japan Airlines from Seattle to Nagasaki by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
994 reviews

Comfort

8.2

Entertainment

7.9

Overall

8.4

Crew

8.7

Food

7.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
ANA
8.4
Very good
994 reviews
ANA
8.4
Very good
994 reviews

Comfort

8.2

Entertainment

7.9

Overall

8.4

Crew

8.7

Food

7.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.
Japan Airlines
8.3
Very good
1,593 reviews
ANA
8.4
Very good
994 reviews

Comfort

8.2

Entertainment

7.9

Overall

8.4

Crew

8.7

Food

7.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Julie,Sep 2025

CGK - HND

Flight attendants are nice, friendly and helpful. Highly recommend to flight with this airline.

Related info for your journey

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

  • How long is the flight from Seattle to Nagasaki?

    Airlines like Japan Airlines and ANA fly from Seattle to Nagasaki in about 27h 05m. The time it takes to get you to your destination can typically vary by up to 5h 05m. Seattle and Nagasaki are separated by a distance of 5308 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Seattle to Nagasaki round-trip?

    According to our current data, ANA ($768), and Japan Airlines ($871) offers the cheapest pricing from Seattle to Nagasaki.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Nagasaki 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 Nagasaki?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Nagasaki (average of $634). Flying from Seattle to Nagasaki in May is currently the most expensive (average of $931). 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

Traveling to a place near Nagasaki?

Book flights to Nagasaki if you plan to visit one of these locations
Sasebo

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Alternative routes for Seattle to Nagasaki

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Portland to Nagasaki flights

Top 2 airlines flying from Seattle to Nagasaki

Discover the top 2 airlines that operate flights from Seattle to Nagasaki. 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 2,558,603 searches. Data last updated October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$768Average$881FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$871Average$886FlexibilityNo cancel feeOn-time79%

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