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Cheap flights from Seattle to Nagasaki from $920

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 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Seattle to Nagasaki

Cheap round-trip flights

Enter your travel dates to find the best prices.
Korean Air Logo
7:20 am - 12:05 pm
SEA
-
NGS
36h 45m
2 stops
Korean Air Logo
1:20 pm - 10:40 am
NGS
-
SEA
13h 20m
1 stop
$920Korean Air
Sun, Sep 6 - Thu, Sep 10
Korean Air Logo
7:20 am - 12:05 pm
SEA
-
NGS
36h 45m
2 stops
Korean Air Logo
1:20 pm - 3:24 pm
NGS
-
SEA
18h 04m
2 stops
$931Korean Air
Sun, Sep 6 - Thu, Sep 10
Korean Air Logo
12:50 pm - 12:05 pm
SEA
-
NGS
31h 15m
1 stop
Korean Air Logo
1:20 pm - 10:40 am
NGS
-
SEA
13h 20m
1 stop
$982Korean Air
Sun, Sep 6 - Thu, Sep 10
Multiple Airlines Logo
7:03 am - 7:40 pm
SEA
-
NGS
20h 37m
2 stops
Multiple Airlines Logo
12:35 pm - 4:11 pm
NGS
-
SEA
19h 36m
2 stops
$1,194Multiple Airlines
Thu, Aug 6 - Thu, Aug 20
Japan Airlines Logo
1:25 pm - 10:50 am
SEA
-
NGS
29h 25m
1 stop
Japan Airlines Logo
3:00 pm - 4:11 pm
NGS
-
SEA
41h 11m
2 stops
$1,228Japan Airlines
Thu, Aug 27 - Mon, Aug 31
Japan Airlines Logo
1:31 pm - 9:20 pm
SEA
-
NGS
39h 49m
2 stops
Japan Airlines Logo
8:20 pm - 4:11 pm
NGS
-
SEA
35h 51m
2 stops
$1,241Japan Airlines
Thu, Aug 27 - Mon, Aug 31
Japan Airlines Logo
7:03 am - 9:20 pm
SEA
-
NGS
22h 17m
2 stops
Japan Airlines Logo
12:35 pm - 10:50 am
NGS
-
SEA
14h 15m
1 stop
$1,273Japan Airlines
Thu, Aug 6 - Thu, Aug 20
Japan Airlines Logo
1:25 pm - 3:15 pm
SEA
-
NGS
33h 50m
1 stop
Japan Airlines Logo
12:35 pm - 10:50 am
NGS
-
SEA
14h 15m
1 stop
$1,325Japan Airlines
Thu, Aug 6 - Thu, Aug 20
ANA Logo
10:45 am - 9:00 am
SEA
-
NGS
30h 15m
2 stops
ANA Logo
8:10 pm - 2:25 pm
NGS
-
SEA
34h 15m
2 stops
$1,399ANA
Sun, Jun 7 - Tue, Jun 9
Japan Airlines Logo
7:00 am - 9:20 pm
SEA
-
NGS
22h 20m
2 stops
Japan Airlines Logo
11:30 am - 10:50 am
NGS
-
SEA
15h 20m
1 stop
$1,464Japan Airlines
Thu, Aug 27 - Mon, Aug 31

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Korean Air flights from Seattle to Nagasaki

Our best Korean Air deals on Seattle to Nagasaki flight tickets
Korean Air
Sep 6
SEA7:20 amSeattle/Tacoma Intl
36h 45m
2 stops
NGS12:05 pmNagasaki
Sep 10
NGS1:20 pmNagasaki
13h 20m
1 stop
SEA10:40 amSeattle/Tacoma Intl
$920
Korean Air
Sep 6
SEA7:20 amSeattle/Tacoma Intl
36h 45m
2 stops
NGS12:05 pmNagasaki
Sep 10
NGS1:20 pmNagasaki
18h 04m
2 stops
SEA3:24 pmSeattle/Tacoma Intl
$931
Korean Air
Sep 6
SEA12:50 pmSeattle/Tacoma Intl
31h 15m
1 stop
NGS12:05 pmNagasaki
Sep 10
NGS1:20 pmNagasaki
13h 20m
1 stop
SEA10:40 amSeattle/Tacoma Intl
$982

Japan Airlines flights from Seattle to Nagasaki

Our best Japan Airlines deals on Seattle to Nagasaki flight tickets
Japan Airlines
Aug 27
SEA1:25 pmSeattle/Tacoma Intl
29h 25m
1 stop
NGS10:50 amNagasaki
Aug 31
NGS3:00 pmNagasaki
41h 11m
2 stops
SEA4:11 pmSeattle/Tacoma Intl
$1,228
Japan Airlines
Aug 27
SEA1:31 pmSeattle/Tacoma Intl
39h 49m
2 stops
NGS9:20 pmNagasaki
Aug 31
NGS8:20 pmNagasaki
35h 51m
2 stops
SEA4:11 pmSeattle/Tacoma Intl
$1,241
Japan Airlines
Aug 6
SEA7:03 amSeattle/Tacoma Intl
22h 17m
2 stops
NGS9:20 pmNagasaki
Aug 20
NGS12:35 pmNagasaki
14h 15m
1 stop
SEA10:50 amSeattle/Tacoma Intl
$1,273

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 April 22, 2026.
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

Cheapest round-trip

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sun 9/6

7:20 am-12:05 pm

2 stops36h 45m

Nagasaki

Thu 9/10

1:20 pm-10:40 am

1 stop13h 20m

$920

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sun 9/6

7:20 am-12:05 pm

2 stops36h 45m

Nagasaki

Thu 9/10

1:20 pm-3:24 pm

2 stops18h 04m

$931

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sun 9/6

12:50 pm-12:05 pm

1 stop31h 15m

Nagasaki

Thu 9/10

1:20 pm-10:40 am

1 stop13h 20m

$982

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Thu 8/6

7:03 am-7:40 pm

2 stops20h 37m

Nagasaki

Thu 8/20

12:35 pm-4:11 pm

2 stops19h 36m

$1,194

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Thu 8/27

1:25 pm-10:50 am

1 stop29h 25m

Nagasaki

Mon 8/31

3:00 pm-4:11 pm

2 stops41h 11m

$1,228

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Thu 8/27

1:31 pm-9:20 pm

2 stops39h 49m

Nagasaki

Mon 8/31

8:20 pm-4:11 pm

2 stops35h 51m

$1,241
Quickest round-trip

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Thu 8/6

7:03 am-9:20 pm

2 stops22h 17m

Nagasaki

Thu 8/20

12:35 pm-10:50 am

1 stop14h 15m

$1,273

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Thu 8/6

1:25 pm-3:15 pm

1 stop33h 50m

Nagasaki

Thu 8/20

12:35 pm-10:50 am

1 stop14h 15m

$1,325

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sun 6/7

10:45 am-9:00 am

2 stops30h 15m

Nagasaki

Tue 6/9

8:10 pm-2:25 pm

2 stops34h 15m

$1,399

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Thu 8/27

7:00 am-9:20 pm

2 stops22h 20m

Nagasaki

Mon 8/31

11:30 am-10:50 am

1 stop15h 20m

$1,464

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

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

20h 37m

Direct flights

None
The fastest flight from Seattle to Nagasaki takes 20h 37m
There are no direct flights from Seattle to Nagasaki. There are no popular flight routes from Seattle to Nagasaki.
Search flight deals

Frequently asked questions about flying from Seattle to Nagasaki

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

    Nagasaki is 5310.8 mi away from Seattle/Tacoma Intl. 20h 37m 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 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.

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