How long is the flight from Seattle to Nagasaki?

Airlines like Japan Airlines fly from Seattle to Nagasaki in about 59h 27m. The time it takes to get you to your destination can typically vary by up to . Seattle and Nagasaki are separated by a distance of 5308 mi.

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

According to our current data, ANA ($754), and Japan Airlines ($871) offers the cheapest pricing from Seattle to Nagasaki.

In terms of precipitation, rainfall in Nagasaki ranges from 2.8 - 12.6 inches per month. June is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Nagasaki when rainfall is around 2.8 in.

If weather is an important factor for your trip to Nagasaki, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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

When flying from Seattle to Nagasaki, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$837+ Flights from Seattle to Nagasaki

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Cheap flight deals from Seattle to Nagasaki

Best flights from Seattle to Nagasaki
Discover carefully curated flight deals from Seattle to Nagasaki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.

Wed 1/2811:43 amSEA - NGS

2 stops59h 27mJapan Airlines

Sun 2/13:45 pmNGS - SEA

2 stops35h 10mJapan Airlines

Deal found 12/11

$837

Last-minute flights from Seattle to Nagasaki
Discover last-minute flight deals from Seattle to Nagasaki. Data last updated December 14, 2025 and is based on user searches.

Wed 1/2811:43 amSEA - NGS

2 stops59h 27mJapan Airlines

Sun 2/13:45 pmNGS - SEA

2 stops35h 10mJapan Airlines

Deal found 12/11

$837

Find flight deals from Seattle to Nagasaki

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$837 (Japan Airlines)
Popular in	December
Cheapest in	September
Average price	$1,675

Provider with most accurate pricing for Seattle/Tacoma Intl-Nagasaki flight deals.

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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Nagasaki flights.

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From Seattle/Tacoma Intl to Nagasaki

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($162 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($65 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Wed 1/28

11:43 am-4:10 pm

2 stops59h 27m

Nagasaki

Sun 2/1

3:45 pm-9:55 am

2 stops35h 10m

$837

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Seattle to Nagasaki

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Nagasaki in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust 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 $927). 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 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

1,023 reviews

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

1,023 reviews

ANA

8.4

Very good

1,023 reviews

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

1,655 reviews

ANA

8.4

Very good

1,023 reviews

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

How long is the flight from Seattle to Nagasaki?
Airlines like Japan Airlines fly from Seattle to Nagasaki in about 59h 27m. The time it takes to get you to your destination can typically vary by up to . Seattle and Nagasaki are separated by a distance of 5308 mi.
What are the cheapest airlines flying from Seattle to Nagasaki round-trip?
According to our current data, ANA ($754), 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 $927). 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.

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Alternative routes for Seattle to Nagasaki

Portland to Nagasaki flights

Top 2 airlines flying from Seattle to Nagasaki

Airline	Cheapest	Average	Flexibility	On-time
ANA	Cheapest$754	Average$812	FlexibilityNo cancel fee	On-time80%
Japan Airlines	Cheapest$871	Average$886	FlexibilityNo cancel fee	On-time79%

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$837+ Cheap flights from Seattle (SEA) to Nagasaki (NGS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Nagasaki with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Nagasaki

Best flights from Seattle to NagasakiDiscover carefully curated flight deals from Seattle to Nagasaki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.

Discover carefully curated flight deals from Seattle to Nagasaki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.

Find flight deals from Seattle to Nagasaki

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Nagasaki that are best for you.

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 December.

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.

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?

Reviews of airlines servicing Nagasaki

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.

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?

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

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

How can I find direct flights from Seattle to Nagasaki?

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

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

Traveling to a place near Nagasaki?

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Alternative routes for Seattle to Nagasaki

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Top 2 airlines flying from Seattle to Nagasaki

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Best flights from Seattle to Nagasaki
Discover carefully curated flight deals from Seattle to Nagasaki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.