$549 Cheap Flights from San Francisco (SFO) to Nagasaki (NGS)

View $549 flight on Sat, Aug 30, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Nagasaki Airport (NGS)

Cheap Flights from San Francisco to Nagasaki (SFO-NGS)

Prices were available within the past 7 days and start at $549 for one-way flights and $744 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Eastern Airlines
Sat, Nov 22 - Fri, Dec 5
SFO
San Francisco
NGS
Nagasaki
$744 Roundtrip, found 2 days ago
$744
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Sat, Nov 22 from San Francisco to Nagasaki, returning Fri, Dec 5, priced at $744 found 2 days ago
Korean Air
Sun, Mar 22 - Thu, Apr 9
SFO
San Francisco
NGS
Nagasaki
$787 Roundtrip, found 2 days ago
$787
Roundtrip
found 2 days ago
Select Korean Air flight, departing Sun, Mar 22 from San Francisco to Nagasaki, returning Thu, Apr 9, priced at $787 found 2 days ago
Korean Air
Mon, Sep 8 - Thu, Sep 18
SFO
San Francisco
NGS
Nagasaki
$802 Roundtrip, found 6 days ago
$802
Roundtrip
found 6 days ago
Select Korean Air flight, departing Mon, Sep 8 from San Francisco to Nagasaki, returning Thu, Sep 18, priced at $802 found 6 days ago
Korean Air
Sun, Sep 7 - Mon, Sep 15
SFO
San Francisco
NGS
Nagasaki
$808 Roundtrip, found 8 hours ago
$808
Roundtrip
found 8 hours ago
Select Korean Air flight, departing Sun, Sep 7 from San Francisco to Nagasaki, returning Mon, Sep 15, priced at $808 found 8 hours ago
Korean Air
Mon, Sep 8 - Thu, Sep 18
SFO
San Francisco
NGS
Nagasaki
$810 Roundtrip, found 6 days ago
$810
Roundtrip
found 6 days ago
Select Korean Air flight, departing Mon, Sep 8 from San Francisco to Nagasaki, returning Thu, Sep 18, priced at $810 found 6 days ago
Korean Air
Mon, Nov 24 - Tue, Dec 2
SFO
San Francisco
NGS
Nagasaki
$840 Roundtrip, found 4 days ago
$840
Roundtrip
found 4 days ago
Select Korean Air flight, departing Mon, Nov 24 from San Francisco to Nagasaki, returning Tue, Dec 2, priced at $840 found 4 days ago
Korean Air
Sun, Aug 31 - Tue, Sep 9
SFO
San Francisco
NGS
Nagasaki
$863 Roundtrip, found 2 days ago
$863
Roundtrip
found 2 days ago
Select Korean Air flight, departing Sun, Aug 31 from San Francisco to Nagasaki, returning Tue, Sep 9, priced at $863 found 2 days ago
Delta
Mon, Sep 22 - Sat, Oct 18
SFO
San Francisco
NGS
Nagasaki
$900 Roundtrip, found 6 days ago
$900
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Sep 22 from San Francisco to Nagasaki, returning Sat, Oct 18, priced at $900 found 6 days ago
Cathay Pacific
Tue, Aug 19 - Tue, Aug 26
SFO
San Francisco
NGS
Nagasaki
$916 Roundtrip, found 6 days ago
$916
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Tue, Aug 19 from San Francisco to Nagasaki, returning Tue, Aug 26, priced at $916 found 6 days ago
United
Mon, Nov 24 - Wed, Dec 10
SFO
San Francisco
NGS
Nagasaki
$957 Roundtrip, found 2 days ago
$957
Roundtrip
found 2 days ago
Select United flight, departing Mon, Nov 24 from San Francisco to Nagasaki, returning Wed, Dec 10, priced at $957 found 2 days ago
Flights from San Francisco (SFO) to Nagasaki (NGS)
Origin airport
San Francisco Intl.
Destination airport
Nagasaki
Airlines serving
All Nippon Airways, American Airlines, China Eastern Airlines, Delta, Hawaiian Airlines, Japan Airlines, Korean Air, Philippine Airlines
Roundtrip price
$743
Distance
5703 mi

San Francisco to Nagasaki Flights

The cheapest times to fly from San Francisco to Nagasaki

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Nagasaki are during the month of November. You can find some of the cheapest flights from San Francisco to Nagasaki with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Nagasaki

Sunday is one of the best days to book for cheap flights from San Francisco to Nagasaki: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Nagasaki

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Nagasaki in 2025. You can also book with separate airlines for your outbound and return journeys, from $549 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Nagasaki flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Nagasaki airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Nagasaki Airport (NGS) cost?
Lock in a cheap one-way flight from $549 or cheap return flight from $744 from San Francisco Intl. Airport (SFO) to Nagasaki Airport (NGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Nagasaki Airport (NGS)?
Traveling in November is a good way to save, as it's the cheapest month for flights between SFO and NGS. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Nagasaki Airport (NGS)?
To find the cheapest airline flying from SFO to NGS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from San Francisco Intl. Airport (SFO) to Nagasaki Airport (NGS)?
You'll need to book a flight with a layover when traveling from San Francisco Intl. Airport (SFO) to Nagasaki Airport (NGS). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SFO to NGS?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Nagasaki Airport (NGS)?
To land at Nagasaki Airport (NGS) without delays, book a flight that takes off from San Francisco Intl. Airport (SFO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Nagasaki Airport (NGS) last-minute?
Last-minute bookings from SFO to NGS are typically more expensive. To secure the best rates, start searching for flights as early as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a SFO to NGS flight and hotel package?
Securing a SFO to NGS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of hotels and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Nagasaki Airport (NGS)?
If you reserved your SFO to NGS flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.