$403 Cheap Flights from Hong Kong (HKG) to San Francisco (SFO)

View $403 flight on Fri, Mar 6, 2026Opens in a new window

Popular airlines from Hong Kong International Airport (HKG) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Hong Kong to San Francisco (HKG-SFO)

Prices were available within the past 7 days and start at $403 for one-way flights and $630 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Korean Air
Thu, Nov 20 - Sun, Nov 30
HKG
Hong Kong SAR
SFO
San Francisco
$630 Roundtrip, found 7 hours ago
$630
Roundtrip
found 7 hours ago
Select Korean Air flight, departing Thu, Nov 20 from Hong Kong SAR to San Francisco, returning Sun, Nov 30, priced at $630 found 7 hours ago
Air Canada
Mon, Oct 27 - Mon, Dec 1
HKG
Hong Kong SAR
SFO
San Francisco
$634 Roundtrip, found 19 hours ago
$634
Roundtrip
found 19 hours ago
Select Air Canada flight, departing Mon, Oct 27 from Hong Kong SAR to San Francisco, returning Mon, Dec 1, priced at $634 found 19 hours ago
Philippine Airlines
Wed, Sep 10 - Sun, Sep 14
HKG
Hong Kong SAR
SFO
San Francisco
$656 Roundtrip, just found
$656
Roundtrip
just found
Select Philippine Airlines flight, departing Wed, Sep 10 from Hong Kong SAR to San Francisco, returning Sun, Sep 14, priced at $656 just found
Asiana Airlines
Tue, Sep 9 - Sat, Sep 20
HKG
Hong Kong SAR
SFO
San Francisco
$664 Roundtrip, found 6 days ago
$664
Roundtrip
found 6 days ago
Select Asiana Airlines flight, departing Tue, Sep 9 from Hong Kong SAR to San Francisco, returning Sat, Sep 20, priced at $664 found 6 days ago
Air China
Wed, Oct 22 - Sat, Nov 1
HKG
Hong Kong SAR
SFO
San Francisco
$687 Roundtrip, found 4 days ago
$687
Roundtrip
found 4 days ago
Select Air China flight, departing Wed, Oct 22 from Hong Kong SAR to San Francisco, returning Sat, Nov 1, priced at $687 found 4 days ago
EVA Airways
Wed, Sep 10 - Sun, Sep 14
HKG
Hong Kong SAR
SFO
San Francisco
$691 Roundtrip, just found
$691
Roundtrip
just found
Select EVA Airways flight, departing Wed, Sep 10 from Hong Kong SAR to San Francisco, returning Sun, Sep 14, priced at $691 just found
China Airlines
Wed, Sep 10 - Sun, Sep 14
HKG
Hong Kong SAR
SFO
San Francisco
$692 Roundtrip, just found
$692
Roundtrip
just found
Select China Airlines flight, departing Wed, Sep 10 from Hong Kong SAR to San Francisco, returning Sun, Sep 14, priced at $692 just found
STARLUX Airlines
Wed, Sep 10 - Sun, Sep 14
HKG
Hong Kong SAR
SFO
San Francisco
$742 Roundtrip, just found
$742
Roundtrip
just found
Select STARLUX Airlines flight, departing Wed, Sep 10 from Hong Kong SAR to San Francisco, returning Sun, Sep 14, priced at $742 just found
United
Sat, Oct 4 - Mon, Oct 13
HKG
Hong Kong SAR
SFO
San Francisco
$755 Roundtrip, found 6 days ago
$755
Roundtrip
found 6 days ago
Select United flight, departing Sat, Oct 4 from Hong Kong SAR to San Francisco, returning Mon, Oct 13, priced at $755 found 6 days ago
Cathay Pacific
Tue, Sep 9 - Sat, Sep 20
HKG
Hong Kong SAR
SFO
San Francisco
$755 Roundtrip, found 6 days ago
$755
Roundtrip
found 6 days ago
Select Cathay Pacific flight, departing Tue, Sep 9 from Hong Kong SAR to San Francisco, returning Sat, Sep 20, priced at $755 found 6 days ago

Find the cheapest month to fly from Chek Lap Kok (HKG) to San Francisco (SFO)

March is typically the cheapest month to fly

From $602 - $787 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $656
SFO
San Francisco Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $656
0
Flights from Hong Kong (HKG) to San Francisco (SFO)
Origin airport
Hong Kong Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, Air China, Air India, Air Premia, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, Delta, EVA Airways, Fiji Airways, Japan Airlines, Korean Air, Philippine Airlines, STARLUX Airlines, Singapore Airlines, United, Vietnam Airlines
Roundtrip price
$630
Distance
6912 mi

Hong Kong to San Francisco Flights

The cheapest times to fly from Hong Kong 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 Hong Kong to San Francisco are during the month of November. You can find some of the cheapest flights from Hong Kong to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hong Kong to San Francisco

Sunday is one of the best days to book for cheap flights from Hong Kong 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 Hong Kong 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 Hong Kong to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $403 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 Hong Kong 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 Hong Kong 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.

 

Frequently asked questions

How much does a flight from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO) cost?
Get a cheap one-way flight from $403 or cheap return flight from $630 from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO) 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 Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO)?
The cheapest month to fly from HKG to SFO is November, when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
Which airlines fly direct from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO)?
Fly nonstop from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO) on a Cathay Pacific flight.
What is the cheapest airline that flies from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO)?
While prices can change depending on when you travel, Cathay Pacific and United Airlines are go-to choices for flights between Hong Kong Intl. Airport (HKG) and San Francisco Intl. Airport (SFO). You can also compare airlines on Expedia and use the "Sort by" filter to find the cheapest fare for your HKG to SFO flight.
How many flights per day from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO)?
Every day, an average of 4 nonstop flights take off from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO). Choose the departure that fits your schedule best.
What are the most popular departure times for flights from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO)?
More people fly between HKG and SFO at 10 PM than at any other time of day. Looking for a quieter experience? Try choosing a quieter departure window and there's a chance you'll save on your fare as well.
What day of the week has the most flights from HKG to SFO?
If you depart on a Friday, you'll get the largest range of choices for flights from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO).
What is the earliest flight from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO)?
Catch the earliest flight at around 12:55AM UTC+8, departing from Hong Kong Intl. Airport (HKG). You'll be in the air for approximately 12h 20m, landing at San Francisco Intl. Airport (SFO) at approximately 9:15PM UTC-8.
How long does it take to fly from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO)?
Flights from HKG to SFO have an average travel time of 12 hours and 21 minutes. The total distance between the two is 6,900 mi.
What airline has the least delays from HKG to SFO?
With 94% of flights generally arriving on schedule, Singapore Airlines has the best on-time performance for nonstop flights from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO). To check your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO)?
Opt for a flight from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO) that leaves before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**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.
What airports do you fly into for San Francisco from Hong Kong Intl. Airport (HKG)?
Compare your flight options from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO). This is the only airport in San Francisco you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO) last-minute?
Last-minute bookings from HKG to SFO are usually more expensive. To lock in the best rates, start searching for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a HKG to SFO flight and hotel package?
Securing a HKG to SFO flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our impressive range of stays and then add flights, activities and car rentals 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 Hong Kong Intl. Airport (HKG) to San Francisco Intl. Airport (SFO)?
If you booked your HKG to SFO flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after 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.