$1,767 Cheap Flights from Saga (HSG) to San Francisco (SFO)

View $1,767 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO)

Cheap Flights from Saga to San Francisco (HSG-SFO)

Prices were available within the past 7 days and start at $1,767 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO) cost?
Lock in a cheap one-way flight from $1,767 or cheap return flight from Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO)?
Planning your trip for can help you save, as it's the cheapest month for flights between HSG and SFO. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO)?
To find the cheapest airline that'll fly you from HSG to SFO, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO)?
There are no daily direct flights departing from Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from HSG to SFO?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO)?
To avoid possible delays on the Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO) route, fly before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO) last-minute?
Booking your plane ticket from HSG to SFO just before your journey is typically more expensive. But if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a HSG to SFO flight and hotel package?
Compared with arranging hotels and flights separately, booking a HSG to SFO flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the stress out of travel planning. Simply pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Ariake Saga Airport (HSG) to San Francisco Intl. Airport (SFO)?
You can usually cancel or reschedule your HSG to SFO flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Ariake Saga
Destination airport
San Francisco Intl.
Distance
5676 mi

Book with confidence

Saga to San Francisco Flights

The cheapest times to fly from Saga to San Francisco

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 Saga to San Francisco are during the month of . You can find some of the cheapest flights from Saga to San Francisco with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Saga to San Francisco: 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 Saga to San Francisco

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 Saga to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,767 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 Saga to San Francisco 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 Saga to San Francisco 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.

 

Saga to San Francisco Flights

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*Available to One Key members.