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Nagasaki

$819+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — NGS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$819
(Korean Air)

Popular in

December

Cheapest in

September

Average price

$835
From Seattle/Tacoma Intl to Nagasaki
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Highest demand for flights based on searches. 20% potential increase in price ($267 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($57 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 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 September 11, 2025.

This Korean Air deal was found by Cheapflights users on 9/10. 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 9/10$819
This ANA deal was found by Cheapflights users on 9/10. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:00 amSEA - NGS
2 stops21h 25mANA
Thu 12/411:45 amNGS - SEA
2 stops18h 35mANA
Deal found 9/10$850
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Thu 11/63:40 pmSEA - NGS
1 stop35h 50mANA
Mon 11/1011:05 amNGS - SEA
1 stop19h 15mANA
Deal found 9/9$965
This FlightHub deal was found by Cheapflights users on 9/9. 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.
Thu 11/68:24 amSEA - NGS
2 stops19h 41mJapan Airlines
Mon 11/1010:10 amNGS - SEA
2 stops23h 55mJapan Airlines
Deal found 9/9$1,118
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/512:59 amSEA - NGS
2 stops25h 51mAmerican Airlines
Mon 11/1012:20 pmNGS - SEA
2 stops22h 51mAmerican Airlines
Deal found 9/9$1,251
This Japan Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 11/2612:10 pmSEA - NGS
1 stop33h 15mJapan Airlines
Sun 11/308:35 pmNGS - SEA
1 stop30h 15mJapan Airlines
Deal found 9/9$1,390

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 September 11, 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

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

$819

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Sun 11/30

7:00 am-9:25 pm

2 stops21h 25m

Nagasaki

Thu 12/4

11:45 am-1:20 pm

2 stops18h 35m

$850

SeattleNagasaki

SEA - NGS

SEANGS

Seattle/Tacoma Intl

Thu 11/6

3:40 pm-8:30 pm

1 stop35h 50m

Nagasaki

Mon 11/10

11:05 am-1:20 pm

1 stop19h 15m

$965

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

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.

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 September 11, 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
961 reviews

Comfort

8.2

Entertainment

7.9

Overall

8.4

Food

7.7

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
ANA
8.4
Very good
961 reviews
ANA
8.4
Very good
961 reviews

Comfort

8.2

Entertainment

7.9

Overall

8.4

Food

7.7

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me
Japan Airlines
8.3
Very good
1,559 reviews
ANA
8.4
Very good
961 reviews

Comfort

8.2

Entertainment

7.9

Overall

8.4

Food

7.7

Crew

8.7

Boarding

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

SFO - NRT

ANA ground and flight crew are the best their is They are now officially my Airline of choice Crew are very attentive, friendly, sincere, helpful and respond to queries accurately, promptly and gives you the peace of mind when travelling Salute to the World’s Best Airline for me

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 Korean Air fly from Seattle to Nagasaki in about 29h 30m. 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 ($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.

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$768Average$894FlexibilityNo cancel feeOn-time80%
Japan AirlinesCheapest$871Average$886FlexibilityNo cancel feeOn-time79%

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