$375 Cheap Flights from San Francisco (SFO) to Hong Kong (HKG)

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

Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $375 for one-way flights and $703 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
China Eastern Airlines
Philippine Airlines
United
Cathay Pacific
Korean Air
Delta
All Nippon Airways
Vietnam Airlines
China Airlines
Flights from San Francisco (SFO) to Hong Kong (HKG)
Origin airport
San Francisco Intl.
Destination airport
Hong Kong Intl.
Airlines serving
Air Canada, Air China, Air France, Air India, 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
$703
Distance
6912 mi

San Francisco to Hong Kong Flights

The cheapest times to fly from San Francisco to Hong Kong

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

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

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

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 Hong Kong in 2025. You can also book with separate airlines for your outbound and return journeys, from $375 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 Hong Kong 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 Hong Kong 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 Hong Kong Intl. Airport (HKG) cost?
Cheap return flights from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG) start from $776. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving SFO on May 12 2025 and touching down at HKG. The price was last updated on April 19 2025 and has not changed since.
What is the cheapest month to fly from SFO to HKG?
The cheapest flights from SFO to HKG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG)?
If you’re departing from San Francisco Intl. Airport (SFO), you can take a nonstop flight to Hong Kong Intl. Airport (HKG) with United Airlines.
What is the cheapest airline that flies from SFO to HKG?
Fly from SFO to HKG with United. This airline currently has the cheapest one-way ticket for this route, starting at $410. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SFO on May 12 2025. Prices were last updated on April 19 2025 and have not changed since.
How many flights per day from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG)?
With an average of 4 nonstop flights departing from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG) daily, you’ll be soaring through the skies in no time.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG)?
More travelers fly between SFO and HKG at 11 AM than at any other time. Looking for a quieter experience? Pick a flight outside the busiest times and you’re likely to save on your ticket as well.
What day of the week has the most flights from SFO to HKG?
If you travel on a Saturday, you’ll get the biggest range of options for flights from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG).
What is the earliest flight from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG)?
Hop on the earliest flight at around 11:25AM UTC-8, leaving from San Francisco Intl. Airport (SFO). You’ll be flying for around 15h 35m, coming in to land at Hong Kong Intl. Airport (HKG) at approximately 7:00PM UTC+8.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG)?
Flights from SFO to HKG have an average travel time of 15 hours and 33 minutes. The total distance between these two airports is 6,900 mi.
What airline has the least delays from SFO to HKG?
With 86% of journeys usually landing on time, Cathay Pacific has the best on-time performance for direct flights from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG). To monitor your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG)?
To land at Hong Kong Intl. Airport (HKG) on time, 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 hour.**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 Hong Kong from San Francisco Intl. Airport (SFO)?
If you’re boarding a direct flight from San Francisco Intl. Airport (SFO) to Hong Kong, Hong Kong Intl. Airport (HKG) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG) last-minute?
Waiting until right before your break to book a ticket from SFO to HKG generally means paying more. While you may find some last-minute discounts, they aren’t always guaranteed. Be flexible with your travel plans for a better chance of landing a bargain.
Is it cheaper to book a SFO to HKG flight and hotel package?
Compared with arranging flights and hotels separately, booking a SFO to HKG flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just secure your flights and select from our wide 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 San Francisco Intl. Airport (SFO) to Hong Kong Intl. Airport (HKG)?
In most cases, you can cancel or reschedule your SFO to HKG flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline’s policies and fees on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.