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Cheap flights from Seattle to Nagasaki from $726

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Nagasaki departing on 1/25. 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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0 bags

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Find the cheapest flights from Seattle to Nagasaki

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
11:00 am - 9:30 amSEA-NGS
29h 30m1 stop
Korean Air Logo
10:30 am - 9:00 amNGS-SEA
15h 30m1 stop
$726Korean Air
Find Deal
Sun, Jan 25 - Thu, Jan 29
Korean Air Logo
3:15 pm - 9:30 amSEA-NGS
25h 15m2 stops
Korean Air Logo
10:30 am - 9:00 amNGS-SEA
15h 30m1 stop
$731Korean Air
Find Deal
Sun, Jan 25 - Thu, Jan 29
Japan Airlines Logo
12:30 pm - 11:10 amSEA-NGS
29h 40m1 stop
Japan Airlines Logo
11:45 am - 9:55 amNGS-SEA
15h 10m1 stop
$740Japan Airlines
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Sun, Jan 25 - Thu, Jan 29
Japan Airlines Logo
8:25 am - 9:15 pmSEA-NGS
19h 50m2 stops
Japan Airlines Logo
1:05 pm - 9:55 amNGS-SEA
13h 50m2 stops
$750Japan Airlines
Find Deal
Sun, Jan 25 - Thu, Jan 29

Korean Air flights from Seattle to Nagasaki

Our best Korean Air deals on Seattle to Nagasaki flight tickets
Korean Air
Jan 25
SEA11:00 amSeattle/Tacoma Intl
29h 30m
1 stop
NGS9:30 amNagasaki
Jan 29
NGS10:30 amNagasaki
15h 30m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$726
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Korean Air
Jan 25
SEA11:17 amSeattle/Tacoma Intl
29h 13m
2 stops
NGS9:30 amNagasaki
Jan 29
NGS10:30 amNagasaki
15h 30m
1 stop
SEA9:00 amSeattle/Tacoma Intl
$731
Find similar

Japan Airlines flights from Seattle to Nagasaki

Our best Japan Airlines deals on Seattle to Nagasaki flight tickets
Japan Airlines
Jan 25
SEA12:30 pmSeattle/Tacoma Intl
29h 40m
1 stop
NGS11:10 amNagasaki
Jan 29
NGS11:45 amNagasaki
15h 10m
1 stop
SEA9:55 amSeattle/Tacoma Intl
$740
Find similar
Japan Airlines
Jan 25
SEA8:25 amSeattle/Tacoma Intl
19h 50m
2 stops
NGS9:15 pmNagasaki
Jan 29
NGS9:10 amNagasaki
17h 45m
2 stops
SEA9:55 amSeattle/Tacoma Intl
$750
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 1, 2025.
Use the filters below to find and compare flights from Seattle to Nagasaki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sun 1/25

11:00 am-9:30 am

1 stop29h 30m

Nagasaki

Thu 1/29

10:30 am-9:00 am

1 stop15h 30m

$726

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sun 1/25

3:15 pm-9:30 am

2 stops25h 15m

Nagasaki

Thu 1/29

10:30 am-9:00 am

1 stop15h 30m

$731

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sun 1/25

12:30 pm-11:10 am

1 stop29h 40m

Nagasaki

Thu 1/29

11:45 am-9:55 am

1 stop15h 10m

$740

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sun 1/25

8:25 am-9:15 pm

2 stops19h 50m

Nagasaki

Thu 1/29

1:05 pm-9:55 am

2 stops13h 50m

$750

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Nagasaki from

How to get the cheapest flight ticket from Seattle to Nagasaki

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 day to depart on your flight to Nagasaki?

The cheapest day to depart from Seattle to Nagasaki is on a Tuesday when prices can be found for as low as $917. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Nagasaki for around $1,503.

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

The cheapest time of day to fly to Nagasaki is in the afternoon when flights can be purchased for as low as $1,071. In contrast, the most expensive time of day to depart to Nagasaki is at noon when prices are around $1,207.

Can stopping save me money on Seattle to Nagasaki flights?

You could potentially save up to 11% on your flight if you consider stops on a Seattle to Nagasaki flight.

When to book flights from Seattle to Nagasaki

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

Cheap Seattle to Nagasaki (SEA to NGS) flight deals and tips

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

Fastest flight time

29h 30m

Direct flights

None
The fastest flight from Seattle to Nagasaki takes 29h 30m
There are no direct flights from Seattle to Nagasaki. There are no popular flight routes from Seattle to Nagasaki.
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  • How far is Seattle/Tacoma Intl to Nagasaki by plane?

    Nagasaki is 5310.8 mi away from Seattle/Tacoma Intl. 19h 50m is a normal flight duration for this route.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Nagasaki Airport are refreshed on a daily basis.

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

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

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

    The necessary travel and health documents for your Nagasaki 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 airline from Seattle to Nagasaki?

Best airlines flying from Seattle to Nagasaki

Compare and see reviews for airlines that fly from Seattle to Nagasaki with momondo
Airline
Rating
Free Cancellation
Price
ANAPriceFrom $754Free CancellationRating
8.4
1,015 reviews
Search ANA flights
Japan AirlinesPriceFrom $871Free CancellationRating
8.3
1,632 reviews
Search Japan Airlines flights

Traveling to a place near Nagasaki?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Nagasaki. momondo saves you time and could save you money on your trip.

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

Flights from Seattle to Nagasaki with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

Yes. momondo can track prices for Seattle to Nagasaki flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Japan

Airports servicing Nagasaki Prefecture

Tsushima Airport