$421 Cheap Flights from Hong Kong (HKG) to San Francisco (SFO)

View $421 flight on Mon, Nov 24, 2025Opens 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 $421 for one-way flights and $622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Dec 23 - Wed, Jan 7
HKG
Hong Kong SAR
SFO
San Francisco
$622 Roundtrip, found 1 hour ago
$622
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Dec 23 from Hong Kong SAR to San Francisco, returning Wed, Jan 7, priced at $622 found 1 hour ago
Asiana Airlines
Sun, Mar 22 - Tue, Mar 31
HKG
Hong Kong SAR
SFO
San Francisco
$680 Roundtrip, found 2 days ago
$680
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Sun, Mar 22 from Hong Kong SAR to San Francisco, returning Tue, Mar 31, priced at $680 found 2 days ago
Philippine Airlines
Mon, Jun 8 - Thu, Jul 9
HKG
Hong Kong SAR
SFO
San Francisco
$682 Roundtrip, found 8 hours ago
$682
Roundtrip
found 8 hours ago
Select Philippine Airlines flight, departing Mon, Jun 8 from Hong Kong SAR to San Francisco, returning Thu, Jul 9, priced at $682 found 8 hours ago
China Eastern Airlines
Thu, Nov 13 - Mon, Nov 17
HKG
Hong Kong SAR
SFO
San Francisco
$686 Roundtrip, found 2 days ago
$686
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Thu, Nov 13 from Hong Kong SAR to San Francisco, returning Mon, Nov 17, priced at $686 found 2 days ago
STARLUX Airlines
Fri, May 8 - Fri, May 22
HKG
Hong Kong SAR
SFO
San Francisco
$691 Roundtrip, found 2 days ago
$691
Roundtrip
found 2 days ago
Select STARLUX Airlines flight, departing Fri, May 8 from Hong Kong SAR to San Francisco, returning Fri, May 22, priced at $691 found 2 days ago
Cathay Pacific
Tue, Dec 23 - Tue, Dec 30
HKG
Hong Kong SAR
SFO
San Francisco
$702 Roundtrip, just found
$702
Roundtrip
just found
Select Cathay Pacific flight, departing Tue, Dec 23 from Hong Kong SAR to San Francisco, returning Tue, Dec 30, priced at $702 just found
Air China
Wed, Nov 26 - Wed, Dec 10
HKG
Hong Kong SAR
SFO
San Francisco
$702 Roundtrip, found 2 days ago
$702
Roundtrip
found 2 days ago
Select Air China flight, departing Wed, Nov 26 from Hong Kong SAR to San Francisco, returning Wed, Dec 10, priced at $702 found 2 days ago
Air Canada
Tue, Nov 11 - Tue, Dec 9
HKG
Hong Kong SAR
SFO
San Francisco
$703 Roundtrip, found 8 hours ago
$703
Roundtrip
found 8 hours ago
Select Air Canada flight, departing Tue, Nov 11 from Hong Kong SAR to San Francisco, returning Tue, Dec 9, priced at $703 found 8 hours ago
EVA Airways
Tue, Dec 23 - Tue, Dec 30
HKG
Hong Kong SAR
SFO
San Francisco
$705 Roundtrip, just found
$705
Roundtrip
just found
Select EVA Airways flight, departing Tue, Dec 23 from Hong Kong SAR to San Francisco, returning Tue, Dec 30, priced at $705 just found
China Airlines
Thu, Nov 13 - Wed, Dec 3
HKG
Hong Kong SAR
SFO
San Francisco
$756 Roundtrip, found 2 days ago
$756
Roundtrip
found 2 days ago
Select China Airlines flight, departing Thu, Nov 13 from Hong Kong SAR to San Francisco, returning Wed, Dec 3, priced at $756 found 2 days ago

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

February is typically the cheapest month to fly

From $601 - $802 per traveler.

Alternative airports near San Francisco

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

Select flight to Norman Y. Mineta San Jose Intl. SJC. Average driving time to city center is 50 minutes. Flights from $956
SJC
Norman Y. Mineta San Jose Intl.
Average driving time to city center50 min
Flights from $956
Select flight to Oakland Intl. OAK. Average driving time to city center is 26 minutes. Flights from $888
OAK
Oakland Intl.
Average driving time to city center26 min
Flights from $888

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 $421 or cheap return flight from $622 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 December, 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.

Travel information

Origin airport
Hong Kong Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, Air India, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, China Eastern Airlines, Delta, EVA Airways, Emirates, Japan Airlines, Korean Air, Philippine Airlines, STARLUX Airlines, Singapore Airlines, United, Vietnam Airlines
Roundtrip price
$622
Distance
6912 mi
Average flight time
-2 hours -41 mins

Book with confidence

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 December. 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 $421 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.

 

Hong Kong to San Francisco Flights

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*Available to One Key members.